root / pykota / trunk / NEWS @ 2651

Revision 2641, 74.8 kB (checked in by jerome, 19 years ago)

Added a note about Matt's work

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1# $Id$
2
3PyKota - Print Quotas for CUPS and LPRng
4
5(c) 2003, 2004, 2005, 2006 Jerome Alet <alet@librelogiciel.com>
6This program is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2 of the License, or
9(at your option) any later version.
10
11This program is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with this program; if not, write to the Free Software
18Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19
20============================================================
21
22PyKota NEWS :
23       
24    - 1.24alpha9 :
25   
26        - Preliminary support for MySQL, thanks to Matt Hyclak.
27       
28    - 1.24alpha8 :
29   
30        - The 'preaccounter' configuration directive was introduced to control
31          which parser to use for precomputation of the job's size. When unset,
32          the internal parser is used just like it was previously. See
33          conf/pykota.conf.sample for more details.
34         
35        - Now subprocesses launched through the overwrite_jobticket directive
36          can also output 'CANCEL', to represent the user's own choice to
37          cancel the print job.
38         
39    - 1.24alpha7 :
40     
41        - pkbanner now handles new print limiting modes correctly.
42       
43        - The cupspykota backend wrapper now accepts to be interrupted
44          with a kill -INT. This causes an immediate and clean abort
45          of the current print job.
46         
47        - Matt Hyclak contributed the possibility to store the printing
48          history in a MySQL database. See the contributed/ directory
49          for details.
50         
51        - Added 2006 to the copyright's years.
52       
53    - 1.24alpha6 :
54   
55        - Fixed internal SNMP and PJL handling code for very fast
56          printers : PyKota didn't see them going from 'idle'
57          to 'printing' to 'idle' again.
58         
59        - Now waitprinter.sh accepts SNMP version number and
60          community name as arguments, thanks to Brandon
61          Holbrook.
62         
63        - Now command line errors and Ctrl+C repectively cause
64          PyKota commands to exit with status -2 and -3.
65         
66    - 1.24alpha5 :
67   
68        - All command line tools now accept -A | --arguments filename.args
69          as a way to bypass the shell's maximal command line size :
70          just put each argument on a line by itself in a file, and
71          pass the file's name as the -A | --arguments command line
72          option's argument. For now this won't be documented in
73          commands' helps.
74         
75        - dumpykota can now dump the complete database in XML
76          format.
77         
78    - 1.24alpha4 :
79   
80        - Added support for the SQLite3 backend.
81          See pykota/initscripts/sqlite/README.sqlite
82       
83    - 1.24alpha3 :
84   
85        - Fix for mailandpopup.sh : smbstatus can't be run setuid,
86          so we regain priviledges before running an external
87          mailto directive.
88       
89    - 1.24alpha2 :
90   
91        - Introduce the "onbackenderror" directive in pykota.conf, to
92          control if the user must be charged or not whenever a real
93          CUPS backend fails. The default value is 'nocharge'.
94          Set it to 'charge' if you think your users can cause a CUPS
95          backend to fail.
96         
97        - Now mark original backends related problems as such in the
98          printing history. Modified printquota.cgi and pykota.css
99          to make them be more visible.
100         
101    - 1.24alpha1 :
102   
103        - Fixed a problem which caused backend errors to be ignored.
104       
105        - The sample LDIF file now contains the two necessary user
106          entries to have an LDAP PyKota Admin and an LDAP PyKota
107          ReadOnly user. The sample configuration files were updated
108          to contain the default passwords used in the LDIF file.
109         
110        - dumpykota is now more strict when checking arguments.   
111       
112    - 1.23 :
113   
114        - Many minor bug fixes and code cleaning.
115       
116        - Improved documentation.
117       
118        - Added Polish translation.
119       
120        - Improved French and Swedish translations.
121       
122    - 1.23beta :
123   
124        - Now the mailto directive is honored in all cases where the job is
125          denied or a warning has to be issued, and the correct reason
126          can be sent back to the user.
127         
128        - The PYKOTAREASON environment variable, if defined, contains the 
129          textual reason why the job was denied or a warning has to be
130          issued.
131       
132    - 1.23alpha31 :
133   
134        - Added support for --maxjobsize, --passthrough and --nopassthrough
135          in pkprinters. These modes are now also honored when printing.
136         
137        - Allows the admin to restrict the number of print queues which will
138          be treated by pkturnkey by passing queues' names as additionnal
139          arguments on pkturnkey's command line.
140         
141        - pkturnkey now supersedes pkhint with the help of the -c | --doconf
142          command line option.   
143         
144    - 1.23alpha30 :
145   
146        - Database changes : you MUST use upgrade-to-1.23.sql again if you
147          use PostgreSQL, or copy the new schema and restart your LDAP
148          server if you use LDAP.
149         
150        - The -C | --comment command line switch was added to edpykota to 
151          attach textual information to modifications done to a user's
152          account balance.
153         
154        - The -l | --limitby command line switch to edpykota was modified 
155          to allow 'noquota', 'nochange', and 'noprint'. See the edpykota
156          command's help or manual page for details.
157         
158        - The -i | --ingroups command line switch to repykota allows 
159          PyKota Administrators to only lists members of the specified
160          group or groups (separated with commas).
161         
162        - The -I | --increase command line switch to edpykota allows
163          to increase or decrease page limits.
164         
165        - Added the precomputed job's size and price to the history
166          for controlling purpose.
167       
168    - 1.23alpha29 :
169   
170        - Fixed a small problem with billing codes.
171       
172        - Exports some environment variables earlier, to render the script
173          launched by the overwrite_jobticket directive more powerful.
174         
175        - Now autopykota also creates print quota entries for the user on the
176          printers groups the current printer is a member of.
177         
178    - 1.23alpha28 :
179   
180        - Added users groups management to pkturnkey.
181       
182        - Fixed umask in setup script.
183       
184    - 1.23alpha27 :
185   
186        - Replaced the --dryrun command line option by the --force
187          command line option in pkturnkey, with exactly the opposite
188          effect (for security reasons).
189         
190    - 1.23alpha26 :
191   
192        - Allows parametrized pjl and snmp hardware accounting methods,
193          to be able to respectively set the TCP port and the SNMP
194          community.
195         
196    - 1.23alpha25 :
197   
198        - Added a --dryrun command line switch to pkturnkey.
199       
200        - Improved pkturnkey's general usability.
201       
202        - Added a manpage for pkturnkey.
203       
204    - 1.23alpha24 :
205   
206        - Allows different databases to be used depending on the
207          user's rights. This allows PyKota admins to directly
208          use a master LDAP server for read+write, while letting
209          normal users using the replicas for readonly access.
210          NB : using different storage backends is also possible,
211          but you're on your own there.
212         
213    - 1.23alpha23 :
214   
215        - Fixed a problem with banner accounting.
216   
217        - Introduction of the new 'pkturnkey' command line tool.
218       
219    - 1.23alpha22 :
220   
221        - The cupspykota backend was almost entirely rewritten from scratch.
222          It's now much more readable, maintainable, etc...
223         
224        - LPRng support is OFFICIALLY dropped for now. LPRng users are 
225          advised to download earlier releases or purchase the
226          PyKota v1.22HotFix1 Official release. LPRng support
227          MIGHT be re-added later.
228       
229    - 1.23alpha21 :
230     
231        - Fix for IPP requests which contain more than a single
232          job-originating-host-name attribute.
233         
234    - 1.23alpha20 :
235   
236        - Added the overwrite_jobticket directive. See pykota.conf.sample
237          for how to use it.
238         
239    - 1.23alpha19 :
240   
241        - Fixed an LDAP filtering problem when managing billing codes.
242       
243        - Added the unknown_billingcode directive. See pykota.conf.sample
244          for how to use it.
245       
246    - 1.23alpha18 :
247     
248        - Added the dump_bfd.php contribution.
249       
250        - Several fixes in the internal PJL accounter.
251       
252        - Now autopykota doesn't create unneeded print quota entries anymore.
253       
254        - Increased the timeout in the PJL hardware accounting code to
255          accomodate some printers (HP5000 at least).
256         
257    - 1.23alpha17 :
258   
259        - pkpgcounter is now distributed separately only. This
260          means that people must now download and install pkpgcounter
261          v1.56 or higher prior to being able to run PyKota.
262         
263        - Removed all the autoconf/automake stuff which was outdated 
264          and confusing.
265         
266    - 1.23alpha16 :
267     
268        - Extracted the GPL blurb from all commands' help, and use
269          a static version only once. This saves space big time, and
270          eases future translations.
271         
272    - 1.23alpha15 :
273   
274        - pkbcodes now works with the PostgreSQL backend.
275          NB : PLEASE RUN upgrade-to-1.23.sql AGAIN !!!
276       
277    - 1.23alpha14 :
278   
279        - Logs a warning when the user/group doesn't exist when running
280          edpykota.
281         
282    - 1.23alpha13 :
283   
284        - Minor fix for user groups because of latest database changes.
285       
286    - 1.23alpha12 :
287   
288        - Big database changes, use the migration scripts !
289       
290    - 1.23alpha11 :
291   
292        - Small fix to the PCL3/4/5 parser for some drivers.
293       
294    - 1.23alpha10 :
295   
296        - Fixed a bad exception name in cupspykota when parsing IPP messages.
297       
298        - Improved the IPP messages module : it can now generate IPP messages
299          in addition to parsing them.
300       
301    - 1.23alpha9 :   
302   
303        - The denyduplicates directive now accepts a command line as an
304          argument beside yes/no. The command is launched and must
305          print either ALLOW or DENY to its standard output. Then the
306          job gets allowed or denied by PyKota.
307          This will allow user interaction in the near future.
308         
309        - Introduced the new 'striptitle' directive to remove ugly prefixes
310          from print job's titles whenever a new print job is submitted.
311         
312        - Fixed internal SNMP accounter for printers which only have a life time
313          page counter, and not a volatile page counter.
314         
315    - 1.23alpha8 :
316   
317        - The data dumper can now summarize payments and history with the
318          help of the --sum command line option (or checkbox in the CGI).
319         
320        - The message used when the job's filename, title and options are
321          hidden because of the privacy directive is now translated at
322          retrieval time, instead of at saving time.
323         
324        - Minor fix in the LDAP backend code. 
325         
326    - 1.23alpha7 :
327   
328        - Improvements to the internal PJL and SNMP accounter : now should
329          support more printers and waste less time.
330         
331    - 1.23alpha6 :
332   
333        - The data dumper's start= and end= date filtering options now
334          accept a positive or negative offset to be added to the special
335          keywords 'yesterday', 'today', 'now', 'tomorrow'.
336          e.g. : dumpykota --data history start=yesterday-5 end=today
337         
338    - 1.23alpha5 :
339   
340        - The data dumper's start= and end= date filtering options now accept
341          the special keywords 'yesterday', 'today', 'now' and 'tomorrow'.
342         
343    - 1.23alpha4 :
344   
345        - The data dumper now accept start= and end= to specify the starting
346          and ending dates to dump the history.
347         
348    - 1.23alpha3 :
349   
350        - The destination link for the logo used in CGI scripts is
351          configurable.
352         
353        - Data dumper improved : it's faster and now datas are correctly
354          escaped.
355       
356        - The URL to the logo displayed in the CGI scripts is configurable.
357       
358    - 1.23alpha2 :
359   
360        - Fixed edpykota --prototype with balance.
361       
362        - Major rewrite of the IPP message parsing code to definitely
363          fix the job-originating-hostname IPP attribute problem.
364       
365    - 1.23alpha1 :   
366   
367        - Sets current username to the user CUPS runs as instead of "root"
368          when printing test pages from CUPS' web interface (because
369          the username is empty in this case).
370         
371        - Fix for strange values in job-originating-hostname
372       
373    - 1.22 :
374   
375        - Big improvements to the documentation.
376       
377    - 1.22beta :
378   
379        - Improved stability in pykotme and pykotme.cgi.
380       
381        - Fixed a permission problem in pykotme and pykosd.
382       
383        - Fixed an inconsitency between SQL and LDAP backends'
384          behavior in edpykota.
385         
386        - Improved stability and allowed tracebacks in CGI scripts.
387       
388        - Improved pykotme.cgi
389         
390    - 1.22alpha8 :
391   
392        - Fixed history retrieval for nonexisting printers or users.
393       
394        - Clicking on the billing code in printquota.cgi's job history
395          now shows all jobs matching this billing code.
396         
397        - Fixed the dump in CUPS' page_log format which didn't
398          dump the oldest entry.
399         
400        - The data dumper now accepts billingcode= and hostname= as
401          filters when dumping the job history.
402         
403        - The job billing code if present is now saved into the database,
404          and exported to subprocesses as the PYKOTAJOBBILLING environment
405          variable.
406         
407        - Ctrl+C now makes PyKota commands exit without a traceback.
408       
409        - Fixed an i18n problem with Python 2.1
410       
411    - 1.22alpha7 :
412   
413        - Fixed some problems with the retrieval of the history from LDAP.
414       
415    - 1.22alpha6 :
416   
417        - Early errors now produce meaningful error messages (finally !)
418       
419    - 1.22alpha5 :
420       
421        - SNMP and PJL improvements with regard to PowerSave / StandBy.
422       
423    - 1.22alpha4 :
424   
425        - Fixed charset problem under MacOSX.
426       
427        - Allows pkbanner to accept more info to display on its
428          command line.
429         
430    - 1.22alpha3 :
431   
432        - Fixes some case related problems with some LDAP backends.
433       
434        - Fixes some problem for printers which directly go from
435          "idle" to "warmup" and never to "printing" before
436          returning to "idle".
437         
438        - Some permissions settings may have prevented cupspykota
439          from parsing cupsd.conf, this is now fixed.
440         
441    - 1.22alpha2 :
442   
443        - Introduction of the web enabled print quote generator.
444       
445        - Fixed a potential race condition when several backend
446          wrappers were present in CUPS' backend directory.
447         
448        - Fixed dumpykota's output in CUPS' page_log format to better
449          match CUPS format.
450         
451    - 1.22alpha1 :
452   
453        - Import into Subversion.
454       
455    - 1.21 :
456   
457        - Improved documentation.
458       
459        - Improved dependencies checker.
460       
461        - Updated some translation files.
462       
463    - 1.21beta2 :
464   
465        - Fixed an LPRng specific bug.
466       
467        - Several improvements on stability issues with manually modified
468          LDAP trees.
469         
470        - Documentation improvements. 
471       
472    - 1.21beta :
473   
474        - Prepared translation files for next release.
475       
476    - 1.21alpha27 :
477   
478        - Allows software() (no arguments) to the software accounting
479          directive. This saves a lot of CPU since the job is not
480          parsed again : the precomputed size is used directly in this
481          case.
482         
483        - epykota's --prototype option now works fine with accounts
484          limited by balance.
485         
486    - 1.21alpha26 :
487   
488        - Fixed the handling of the 'maxdenybanners' directive.
489       
490        - Introduced the 'denyduplicates' directive.
491       
492        - Fixed some database related glitches.
493       
494    - 1.21alpha25 :
495   
496        - The job's size is now always precomputed, even when
497          'enforcement' is not set to 'strict'.
498         
499        - Introduction of the new 'trustjobsize' configuration directive
500          to workaround some problematic printers. See the sample
501          configuration file for details.
502         
503    - 1.21alpha24 :
504   
505        - Big database structure changes. An upgrade script
506          is now included for PostgreSQL. LDAP users may just
507          want to copy the new schema in place.
508         
509        - edpykota now recognizes the -o | --overcharge command line
510          option to set an overcharging or undercharging factor
511          on each print job's cost for a particular user.
512         
513        - repykota's output format has changed an is not limited to 
514          80 characters wide anymore. People who used to parse
515          repykota's output in their own tools are strongly advised
516          to parse dumpykota's output instead.
517         
518        - Introduction of the new 'maxdenybanners' configuration directive
519          to allow up to N (the directive's value) deny banners to be
520          printed even if the print account is forbidden to print.
521         
522        - Better detection of the number of copies in the PostScript parser.
523       
524    - 1.21alpha23 :
525   
526        - Traditional Chinese translation added.
527   
528        - Several fixes and performance improvements with the LDAP backend.
529       
530    - 1.21alpha22 :
531   
532        - edpykota's --delete command line option doesn't consider
533          '*' to be the default argument anymore :-)
534         
535    - 1.21alpha21 :
536   
537        - dumpykota.cgi can now be run as a normal user as opposed to
538          a PyKota administrator. No read access to pykotadmin.conf is
539          necessary anymore. This CGI scripts now honors the REMOTE_USER
540          environment variable just like printquota.cgi does, see
541          the file cgi-bin/README for details.
542          The command line tool dumpykota must still be run by a PyKota
543          administrator.
544         
545        - Fix exception's name error due to a change in recent versions
546          of PygreSQL.   
547         
548    - 1.21alpha20 :
549         
550        - Big bug fix wrt the datelimit field which was never reset.
551         
552    - 1.21alpha19 :
553   
554        - Introduction of the new dumpykota.cgi CGI script, which
555          allows third party tools like phpPrintAnalyzer to be
556          interfaced in real time with PyKota. To use it you
557          may have to change your web server's configuration,
558          please see pykota/cgi-bin/README
559         
560    - 1.21alpha18 :
561   
562        - Now dumpykota can dump the job history into CUPS' page_log
563          format (even when the printing system is LPRng). This allows
564          people to use tools like PrintAnalyzer or phpPrintAnalyzer
565          (two completely different beasts) with PyKota.
566         
567    - 1.21alpha17 :
568     
569        - Fixed field type's name in XML dumps.
570       
571        - Now drops priviledges to user 'pykota' when launched as root
572          (directly or as a CUPS backend), if such an user exists.
573         
574        - Fixed PCL3/4/5 parser for some drivers' output.
575       
576    - 1.21alpha16 :
577   
578        - fixed several recently introduced bugs in LDAP backend code,
579          thanks to Matt Hyclak.
580         
581    - 1.21alpha15 :
582     
583        - Normalized field names between LDAP and PostgreSQL backends
584          in dumpykota's output.
585         
586        - dumpykota filtering capabilities are now supported within
587          the LDAP backend too.
588         
589    - 1.21alpha14 :
590   
591        - dumpykota now supports extended filtering possibilities
592          with the PostgreSQL backend (LDAP support will come soon).
593         
594    - 1.21alpha13 :
595   
596        - Added a --debug command line option to pkpgcounter, so
597          that people may see what really happens, and what will
598          be available in the future :-)
599         
600    - 1.21alpha12 :
601   
602        - Fixed a bug with non standard pkbanner command lines.
603       
604        - Now logs as errors the differences between precomputed and
605          computed job sizes. **CUPS only for now**
606         
607    - 1.21alpha11 :
608   
609        - Now user and group print quota entries can be stored directly
610          below the user or group with the LDAP backend, using them
611          as branches. Thanks to Stefan Wold for the patch.
612          See the sample configuration file for details.
613         
614        - TLS is now supported with the LDAP backend. Thanks to Stefan
615          Wold for the patch.
616          See the sample configuration file for details.
617         
618        - edpkota now accepts the -U | --used value command line argument
619          to preset the page counters to an initial value. Thanks to
620          Wilson Roberto Afonso and Matt Hyclak for the patch.
621         
622    - 1.21alpha10 :
623   
624        - Now automatically reconnects up to three times if the LDAP server
625          returned an error, possibly due to a timeout.
626         
627    - 1.21alpha9 :
628   
629        - Now searches the configuration files in 'pykota' system user's
630          home directory. The 'pykota' system user and group have
631          to be created by the system administrator, and given
632          sufficient permissions to PyKota's configuration files.
633         
634    - 1.21alpha8 :
635   
636        - Added the new reject_unknown directive to reject the
637          creation of user or groups which are unknown to the system.
638         
639    - 1.21alpha7 :
640   
641        - Introduction of the pkmail email gateway.
642       
643    - 1.21alpha6 :
644   
645        - Fix for LPRng filenames.
646       
647        - Added Turkish translation thanks to Baris Cicek.
648       
649    - 1.21alpha5 :
650   
651        - Improved ESC/P2 miniparser for Stylus Photo printers.
652       
653        - Implemented the --savetoner command line option to pkbanner.
654       
655        - Improved pkbanner's help and messages.
656       
657    - 1.21alpha4 :
658   
659        - Fixed job's data file detection code for LPRng.
660       
661        - Fixed a problem with PJL and PowerSave mode,
662          thanks to Wilson Roberto Afonso.
663       
664    - 1.21alpha3 :
665   
666        - PyKota can now generate its own banners, and either account
667          for them or not, depending on newly introduced directives
668          in pykota.conf
669          Thanks to Matt Hyclak for the patch.
670         
671    - 1.21alpha2 :
672   
673        - Installation script is now non interactive again, as it should
674          have stayed from the beginning. Dependencies checking can
675          be done by launching the checkdeps.py command.
676         
677    - 1.21alpha1 :
678   
679        - added an IPP messages miniparser. Extraction of the client
680          hostname is now considered to be fiable, at least until
681          the CUPS developpers change something...
682       
683    - 1.20 :
684   
685        - Version number changed.
686       
687    - 1.20beta :
688   
689        - Norwegian (Bokm� preliminary translation added.
690       
691        - German translation was finalized.
692       
693        - Greek translation was finalized.
694       
695        - For urgent legal reasons, a "privacy" directive has been added
696          to pykota.conf, to hide jobs' title, filename and options
697          in the history.
698         
699        - Minor changes in the debian directory.
700       
701    - 1.20alpha27 :
702   
703        - Fixed many problems with translation files. In particular
704          the Brazilian Portuguese translation file was incorrectly
705          installed into the french "breton" locale directory.
706         
707        - Finished French translation. 
708         
709    - 1.20alpha26 :
710   
711        - LPRng support code should now better detect network
712          printers' hostnames or IP addresses.
713         
714        - Fix for recently introduced bug in LPRng support.
715       
716        - Fix for incorrect locale setting when starting.
717       
718    - 1.20alpha25 :
719   
720        - pkprinters allows --list to normal users, but require user
721          to be a PyKota administrator when another command line
722          option is used.
723         
724        - pkhint doesn't use absolute path to search for helper commands
725          anymore.
726         
727        - Spanish translation ready for 1.20.   
728       
729    - 1.20alpha24 :
730   
731        - Now warnpykota only warns users limited by balance once.
732       
733        - Now warnpykota only warns users who have ever printed,
734          to not cause confusion to users who have just opened
735          their account.
736       
737        - Prepared help messages for translations.
738       
739    - 1.20alpha23 :
740   
741        - Add workaround for locale problem.
742       
743    - 1.20alpha22 :
744   
745        - Hopefully final fix for data encoding charset.
746       
747        - edpykota now refuse to work if the user is not a PyKota admin.
748       
749        - Fixes a recently introduced bug with users groups and PostgreSQL.
750       
751    - 1.20alpha21 :
752   
753        - Now dumpykota refuses to launch if the current user is not
754          a PyKota administrator (a PyKota administrator is an user
755          allowed to read the pykotadmin.conf file).
756         
757        - Now any PyKota administrator can use repykota and warnpykota
758          with additionnal arguments, not only the root user.
759         
760        - Improved documentation a bit.
761       
762    - 1.20alpha20 :
763   
764        - Reduced delay in internal SNMP and PJL_over_TCP handlers
765          from 2 to 1 second.
766       
767        - dumpykota can now output XML.
768       
769    - 1.20alpha19 :
770   
771        - Improved user groups and user groups quotas dumps in dumpykota.
772       
773        - Finished implementation of LDAP support in dumpykota.
774       
775        - The md5 sum of the job's datas is now available as an
776          hexadecimal digest in the PYKOTAMD5SUM environment variable.
777         
778        - The description, filename, title, and options fields
779          are now stored as UTF-8 strings in both LDAP and PostgreSQL.
780          Proper charset is used during extraction from the database.
781         
782    - 1.20alpha18 :
783   
784        - Experimental autopykota command to initialize user
785          account and quota entries on first print while not
786          resetting the balance value if not needed.
787         
788        - Added the new "winbind_separator" directive to strip
789          out the Samba/Winbind domain name while printing if
790          needed (Off by default).
791         
792    - 1.20alpha17 :
793   
794        - Added --hardreset command line option to edpykota.
795       
796        - Fixed problem with accented chars in title, filename
797          or options and LDAP backend.
798         
799    - 1.20alpha16 :
800   
801        - Internal handling of socket based PJL queries over
802          port tcp/9100 is now available with the magic
803          'pjl' value in the hardware accounter.
804         
805    - 1.20alpha15 :
806   
807        - LDAP pykotaAccountBalance objects were always created
808          attached to the pykotaUser objects. This is now
809          fixed and the value of balancebase in pykota.conf
810          is now correctly used.
811         
812    - 1.20alpha14 :
813   
814        - Belgian translations added (copy of the french ones).
815       
816        - External hardware accounter now loops until
817          a result can be read correctly.
818         
819        - pkhint now suggest the internal snmp handling instead
820          of the external one.
821         
822    - 1.20alpha13 :
823     
824        - Hardware accounter now accepts the special
825          'snmp' value, meaning ALL is done from main code
826          without launching any subprocess.
827          You need the http://pysnmp.sf.net Python module
828          for this to work (tested with v3.4.2)
829         
830        - Increased delay between two loops iterations 
831          to 2 seconds in waitprinter.sh to diminish
832          CPU load.
833         
834    - 1.20alpha12 :
835   
836        - waitprinter.sh rewritten from scratch to wait
837          for printer status stabilization.
838       
839    - 1.20alpha11 :
840   
841        - Generic data dumper 'dumpykota' introduced.
842          Works only with PostgreSQL backend for now.
843         
844    - 1.20alpha10 :
845   
846        - Added fix for incorrect job's size computation when
847          hardware accounting fails.
848         
849    - 1.20alpha9 :
850   
851        - Small fixes wrt subprocesses.
852       
853    - 1.20alpha8 :
854   
855        - Added full support of PCL3 : HP Deskjet printers are now
856          supported.
857       
858    - 1.20alpha7 :
859   
860        - First draft of PCL3GUI (Deskjet 640C for example) analyzer.
861          Needs more work, but no documentation is available.
862       
863    - 1.20alpha6 :
864     
865        - Improved mailandpopup.sh script.
866       
867        - Small fixes for LPRng.
868       
869        - Now exports PYKOTAPRINTERHOSTNAME for network printers'
870          hostname or IP address. Set to 'localhost' when not
871          meaningful.
872         
873        - Fixed issue with how mod_auth_ldap Apache modules
874          fills the REMOTE_USER environment variable.
875         
876        - Fixed a bug in LDAP user deletion code.
877       
878    - 1.20alpha5 :
879     
880        - Introduces the new configuration directive 'onaccountererror'
881          to specify what must be done whenever the software or
882          hardware accounter fails. Allowed values are 'continue' and
883          'stop' (default).
884         
885        - Minor fix in software accounter for a recently introduced
886          problem.
887         
888    - 1.20alpha4 :
889   
890        - Added support for more ghostscript devices in ESC/P2
891          analyzer : stcolor, st800, escp, escpc are now supported.
892         
893    - 1.20alpha3 :
894       
895        - Small improvement in PostScript parser to avoid being
896          fooled by a change in number of copies :
897          The user can't ask for 200 copies of page 1 and 1 copy
898          of page 2 to fool PyKota anymore :
899          this would have been accounted for as 1 copy only, but
900          now the maximum value seen is used.
901         
902        - Relax checks for PCL5 header to accomodate some strange
903          printer drivers.
904         
905        - Now hardware accounting method works like software
906          accounting method wrt the subprocess' output.
907         
908        - Hardware and Software accounting stop the print queue 
909          when the accounting subprocess didn't work. This will
910          be configurable in the near future.
911         
912    - 1.20alpha2 :
913   
914        - Now software accounting method reads accounter's
915          answer until a line with a single integer is
916          obtained or until all of its output has been read.
917          This should fix the problem some people have
918          when strange locale related messages are sent
919          when running subprocesses (Solaris only ?).
920         
921        - First version of ESC/P2 analyzer. Seems to work
922          ok at least with 'epson', 'epsonc', 'eps9mid'
923          and 'esp9high' ghostscript devices. Needs more
924          work to correctly analyze other devices.
925       
926    - 1.20alpha1 :
927   
928        - Fixed problem with number of copies in PCLXL parser.
929       
930        - Fixed problem with number of copies in PCL5 parser,
931          when number of copies was set outside of and before first
932          page.
933       
934        - Added workaround for number of copies directly set in
935          PostScript code.
936         
937        - Added german translation.
938       
939        - Fixed problem on first print for user group quota when
940          "enforcement: strict" is used.
941       
942        - Fixed interpolation problem in french translation.
943       
944    - 1.19 :
945   
946        - Updated existing translations.   
947       
948        - Added final Thai and Greek translations.
949       
950        - Minor last minute bug fixes.
951       
952    - 1.19beta :
953   
954        - LPRng support for both software and hardware accounting seems
955          to be OK.
956         
957        - Translation files fixed because of fuzzy matching problem. 
958       
959        - Fixed path to Swedish translation: 'sv' instead of 'se'.
960       
961        - Added first draft of Thai translation.
962       
963        - Fixed some minor bugs with Pychecker.
964       
965    - 1.19alpha35 :
966   
967        - Generic PDL analyzer now supports Binary PostScript documents
968          in addition to DSC compliant ones.
969       
970    - 1.19alpha34 :
971   
972        - LPRng support : software accounting seems to work fine,
973          but hardware accounting doesn't work yet.
974   
975    - 1.19alpha33 :
976   
977        - pykosd now accepts command line arguments. Enjoy !
978          NB : due to a bug in xosd, you need xosd version 2.2.8
979          or higher if you don't use the default C locale.
980         
981    - 1.19alpha32 :
982   
983        - Early (not working) version of the LPRng support rewrite.
984       
985        - Saner default configuration file.
986       
987    - 1.19alpha31 :
988   
989        - Fixed a double Python2.1 incompatibility with newer versions,
990          which prevented the PCL5 and the PCLXL parsers to work with
991          this older version of Python.
992         
993    - 1.19alpha30 :
994   
995        - Introduction of preliminary version of the pykosd command
996       
997        - Usernames, Groupnames and Printernames can now contain
998          ANY character, expected '/' and '@'.
999       
1000        - Integrated most of the Debian work from Sergio
1001          Gonz�z Gonz�z
1002         
1003    - 1.19alpha29 :
1004   
1005        - PCLXL parser should now correctly handle number of
1006          copies set for each page.
1007         
1008        - Added testsuite for generic PDL analyzer.
1009       
1010        - Typo fixed in PCLXL parser.
1011       
1012        - Correctly dispatches error messages depending on the
1013          situation : tools which can be run interactively will
1014          ALWAYS output their logs to stderr, excepted for
1015          their DEBUG messages, for which the "logger:"
1016          directive as set in pykota.conf will be honored.
1017          Tools which can't be run interactively will ALWAYS
1018          honor the "logger:" directive as set in pykota.conf
1019         
1020    - 1.19alpha28 :
1021   
1022        - The description field for printers can now be set,
1023          and is displayed in reports.
1024         
1025        - Fixed a small problem in SQL backend code.
1026         
1027        - Improved pkhint
1028       
1029        - First working PCL6 (aka PCLXL) parser !
1030          Doesn't handle copies yet.
1031       
1032    - 1.19alpha27 :
1033   
1034        - Additionnal 10% speed increase in PCL5 parser for GhostScript
1035          generated files (untested yet with other PCL files).
1036         
1037        - Reintroduced the use of mmap in PCL5 parser : this speedups
1038          PCL5 parsing by almost 4 times.
1039          This 4x with the 3x below give us in fact a twelvefold increase
1040          in performance for PCL5 parsing !
1041         
1042        - The Python accelerator Psyco is now used if available
1043          in the generic PDL parser : it speedups PCL5 parsing by
1044          almost three times automagically.
1045         
1046    - 1.19alpha26 :
1047   
1048        - Fixed PCL5 parser according to the sources of rastertohp.
1049       
1050        - Fixed number of copies handling in PCL5 parser : the number
1051          of copies could vary from page to page.
1052         
1053        - Added more debug information to PCLXL parser. 
1054       
1055    - 1.19alpha25 :
1056   
1057        - Added new "description" field to printers in both
1058          PostgreSQL and LDAP. No code to handle this yet.
1059         
1060        - Reversed the fix for power save mode in printers : 
1061          no paper or tray open would have caused people to
1062          be undercharged.
1063         
1064        - Preliminary version of MySQL initialization script.
1065         
1066    - 1.19alpha24 :
1067   
1068        - Native PDF parsing code now works perfectly with
1069          Python 2.1 and above, and is way faster than before.
1070          GhostScript is not used anymore to convert PDF to PS,
1071          because PDF is parsed directly.
1072         
1073    - 1.19alpha23 :
1074   
1075        - Fixed waitprinter.sh wrt PowerSave mode and some
1076          printers. Thanks to Ryan Suarez.
1077       
1078        - Smart PDL analyzer now recognizes PDF too : two
1079          PDF parsing methods are used : a native one which
1080          is very fast but requires Python 2.3 or above, and
1081          a slower one which uses Ghostscript. PyKota detects
1082          automatically which method to use depending on your
1083          version of Python.
1084       
1085        - All tracebacks now include PyKota's version number.
1086         
1087    - 1.19alpha22 :
1088   
1089        - Ensures that the file pointer for job's data is
1090          reset to the start of the job's datas after the
1091          job's size pre-computation phase.
1092         
1093        - Improved PostScript detection code for bad drivers
1094          which don't correctly switch languages between PJL
1095          and PS.
1096       
1097        - Even better debugging code.
1098       
1099    - 1.19alpha21 :
1100   
1101        - Additionnal check.
1102       
1103    - 1.19alpha20 :
1104   
1105        - More complete logging messages wrt accounters.
1106       
1107        - Now catches early failures occuring when the configuration
1108          files are parsed.
1109       
1110    - 1.19alpha19 :
1111   
1112        - Fixed over-verbose exits when displaying help
1113          or version.
1114         
1115        - Extended some PATH in the shell scripts 
1116       
1117        - Deleting an user now also deletes his payments history.
1118       
1119        - Doesn't explicitely ignore SIGCHLD anymore. This seems to
1120          cause problems.
1121
1122    - 1.19alpha18 :
1123   
1124        - History of payments is now stored in the database, and
1125          updated each time an user's balance is modified with
1126          edpykota --balance. This history represents each time
1127          the user was given some positive or negative credit,
1128          but doesn't reflect price paid for jobs, which appear
1129          in the jobs history instead.
1130         
1131        - Jobs history web reports now include the job's size in
1132          bytes. Also columns were reordered to render the report
1133          more easily readable.
1134         
1135    - 1.19alpha17 :
1136   
1137        - Mysterious bug (program exited unexpectedly without leaving
1138          any log message) which occured once in a while when
1139          cancelling jobs should be fixed now.
1140         
1141        - New 'crashrecipient' directive. Disabled by 
1142          default. See sample configuration file to see how
1143          to activate it. It is suggested that you activate it.
1144         
1145        - New PYKOTAJOBSIZEBYTES environment variable exported, 
1146          which contains the job's size in bytes. Empty jobs
1147          are now denied. This value is now stored in the job
1148          history (but not yet displayed from the web interface)
1149         
1150        - Preliminary work on payments storage : the PostgreSQL 
1151          and LDAP schemas should be OK now, but no code is written
1152          yet to support this functionnality.
1153         
1154    - 1.19alpha16 :
1155   
1156        - the newuser and newgroup LDAP specific directives now accept
1157          a second parameter to attach(), "fail" or "warn". If no entry
1158          is found to attach PyKota attributes to, and "fail" was used,
1159          then action is aborted and program exits in error. If "warn"
1160          is used, a new entry is created but a warning message is logged.
1161         
1162        - The job's originating hostname is now stored in the database,
1163          and exported as PYKOTAJOBORIGINATINGHOSTNAME in the environment.
1164       
1165    - 1.19alpha15 :
1166   
1167        - The old pykota filter is now removed. This means that
1168          currently PyKota doesn't support LPRng anymore, but
1169          LPRng support will be re-added, improved, in the near future.
1170         
1171    - 1.19alpha14 :
1172   
1173        - PYKOTAPRECOMPUTEDJOBSIZE and PYKOTAPRECOMPUTEDJOBPRICE
1174          are now exported as environment variables.
1175         
1176        - Heavy CPU usage is now completely fixed it seems, by
1177          introducing some 0.01 second sleeping when nothing to do.
1178         
1179        - Pre-computation of the job's size is now only
1180          done when enforcement is "STRICT", this saves
1181          CPU for people who don't want to use this new
1182          feature.
1183         
1184        - New 'enforcement' directive which accepts either
1185          STRICT or LAXIST. See sample configuration file
1186          for details.
1187         
1188    - 1.19alpha13 :
1189   
1190        - Get back to an old version of the polling loop which
1191          worked fine, but non-optimally. Will be optimized
1192          as time permits.
1193         
1194    - 1.19alpha12 :
1195   
1196        - Job's size is now precomputed unconditionnally using
1197          the generic PDL analyzer.
1198          NB : This value is not yet used to pre-allow/deny the
1199          job.
1200       
1201    - 1.19alpha11 :
1202   
1203        - The pykota filter is now completely deprecated and
1204          can't be used anymore. LPRng users MUST download
1205          an older version of PyKota. CUPS users MUST use
1206          cupspykota. Better support for LPRng will come
1207          in the near future.
1208         
1209    - 1.19alpha10 :
1210   
1211        - pykotme now uses generic PDL Analyzer directly instead
1212          of spawning a new process.
1213         
1214        - Improvements to generic PDL Analyzer.
1215       
1216        - 25% Speedup in PCL parser. Getting more of the Python version
1217          will probably be difficult, since the completely table driven
1218          parser I wrote is slower than the original algorithm. Then,
1219          the original algorithm is still used for now.
1220          Probable that more speed could be achieved using mmap, at the
1221          expense of severe memory consumption.
1222       
1223        - configuration simplifications : the "accounter" directive's
1224          'hardware' arguments now accepts what was in the "requester"
1225          directive as it's content. The "requester" directive is not
1226          supported anymore. See sample configuration file for details.
1227       
1228    - 1.19alpha9 :
1229       
1230        - pkpgcounter is now just a wrapper around the PDLAnalyzer class
1231       
1232        - pykotaOptions LDAP attribute now accepts non-ascii characters
1233          too.
1234         
1235        - First try at cupspykota main loop rewrite
1236       
1237    - 1.19alpha8 :
1238   
1239        - 'querying' accounting method is now called 'hardware'
1240       
1241        - 'external' accounting method is now called 'software'
1242       
1243        - 'stupid' accounting method doesn't exist anymore
1244       
1245        - 'snmp' requester doesn't exist anymore
1246       
1247        - code simplifications in external requester
1248       
1249    - 1.19alpha7 :
1250     
1251        - Database schema change (both LDAP and PostgreSQL) to
1252          allow storage of the job-originating-hostname attribute.
1253          An SQL upgrade script is present. The code is not yet
1254          capable of setting/retrieving this attribute. Support
1255          for this functionnality will be added in the future.
1256         
1257    - 1.19alpha6 :
1258   
1259        - problems connecting to SMTP servers are now catched.
1260       
1261        - pykotme now uses pkpgcounter to compute the size of the
1262          job. This modification adds PCL5 and soon PCLXL (PCL6)
1263          support. You can now get quotes for PCL in addition to
1264          PostScript.
1265         
1266        - pkpgcounter now includes first try at PCLXL parser. 
1267          It is currently disabled until it's finished.
1268         
1269    - 1.19alpha5 :
1270   
1271        - cupspykota polling loop fix for MacOSX (at least)
1272       
1273        - logging subsystem now logs PID too, to ease diagnosing
1274          problems under heavy load.
1275         
1276        - pkpgcounter enhancements.
1277       
1278        - pkprinters --skipexisting now tells pkprinters to not
1279          modify existing printers when --add is used.
1280          pkprinters logs a warning message whenever --add is
1281          used and a printer already exists.
1282         
1283        - LDAP schema now allows accented chars in pykotaFileName
1284          and pykotaTitle attributes.
1285       
1286    - 1.19alpha4 :
1287   
1288        - a bad copy&paste prevented pkpgcounter to work at all, this
1289          is now fixed.
1290         
1291        - improved PCL support in pkpgcounter, with the use of
1292          HP PCL/PJL Reference Set
1293          PCL5 Printer Language Technical Quick Reference Guide
1294       
1295        - pkpgcounter now uses mmap to speed things up : duration
1296          is halved with the sample 87 pages PCL document I use for
1297          testing.
1298         
1299    - 1.19alpha3 :
1300   
1301        - pkprinters now accepts the --list command line argument
1302          to list informations about printers.
1303         
1304    - 1.19alpha2 :
1305   
1306        - pkpgcounter is now included as a smart external
1307          accounter which can handle both PostScript and PCL.
1308         
1309    - 1.19alpha1 :
1310   
1311        - PYKOTALIMITBY environment variable is now exported too.
1312       
1313        - Inclusion of Michele Baldessari's work on autotools.
1314       
1315    - 1.18 :
1316   
1317        - Improved documentation
1318       
1319    - 1.18beta2 :
1320     
1321        - Fix for raw jobs with cupspykota
1322       
1323    - 1.18beta :
1324   
1325        - Small fix for new waitprinter.sh script
1326       
1327        - Better tracebacks on error conditions
1328       
1329        - Improved translations
1330       
1331        - Improved documentation
1332       
1333    - 1.18alpha15 :
1334
1335        - waitprinter.sh replaced by a new and possibly faster
1336          and more powerful one.
1337   
1338        - Names can now begin with a digit.
1339       
1340        - Stability improvement for quotas set on printers groups.
1341       
1342    - 1.18alpha14 :
1343   
1344        - Catches more (all ?) problems with SMTP servers instead
1345          of breaking.
1346         
1347        - Italian translation added.
1348       
1349    - 1.18alpha13 :
1350   
1351        - Pre and Post hooks are now available in the pykota
1352          filter as well.
1353         
1354        - The pykota filter doesn't check last user's quota
1355          anymore when delayed hardware accounting is used :
1356          this will be done anyway the next time the last
1357          user will print again. This saves some database
1358          queries which are unneeded.
1359       
1360    - 1.18alpha12 :
1361   
1362        - Pre and Post hooks to external commands with many
1363          many environment variables available are useable
1364          from the cupspykota backend.
1365          See sample configuration file for details and help.
1366         
1367    - 1.18alpha11 :
1368   
1369        - Hopefully final fix wrt groups (users and printers)
1370       
1371    - 1.18alpha10 :
1372   
1373        - Fixed nested printer groups accounting.
1374       
1375        - Fixed user groups + printer groups problem.
1376       
1377    - 1.18alpha9 :
1378   
1379        - Fix for LDAP problem when job price was 0.
1380       
1381        - Fix for empty user groups with LDAP.
1382       
1383        - Preliminary version of the snmpprinterstatus command added.
1384       
1385    - 1.18alpha8 :
1386   
1387        - Don't retrieve data when not needed.
1388          This avoids many database queries.
1389       
1390    - 1.18alpha7 :
1391   
1392        - New experimental ldapcache directive to improve
1393          LDAP caching.
1394         
1395    - 1.18alpha6 :
1396       
1397        - New configuration directive added : maildomain
1398          to specify the domain to send mail to when user
1399          email address is not set in PyKota database.
1400         
1401        - More complete email message headers. 
1402         
1403    - 1.18alpha5 :
1404   
1405        - Debian packaging specific files, contributed by
1406          Peter Hawkins are now included in the project's tree.
1407         
1408        - Preliminary work on future low-level LDAP caching to speed
1409          up modifications (at least).
1410         
1411    - 1.18alpha4 :
1412   
1413        - Applied some of the modifications suggested by
1414          Peter Hawkins, for better Debian integration.
1415          Most notably cupspykota, pykota, and the shell
1416          scripts are now installed into /usr/share/pykota
1417          instead of into /usr/bin
1418          BEWARE : double check that your symbolic link
1419          to cupspykota is correct, and that your pykota.conf
1420          file use correct path for the shell scripts like
1421          waitprinter.sh and al.
1422         
1423        - pkhint command added, to help in configuring correct
1424          accounting method for PyKota.
1425         
1426    - 1.18alpha3 :
1427   
1428        - Fixed a rare bug in cupspykota backend which gave
1429          incorrect "CUPS backend died abnormally" messages.
1430       
1431    - 1.18alpha2 :
1432   
1433        - Added the pkprinters command line tool to manage printers
1434          exclusively.
1435       
1436    - 1.18alpha1 :
1437   
1438        - Preliminary work on Relationnal Database Independance.
1439       
1440        - Sample report made from OpenOffice.org added as PDF and SXC.
1441       
1442    - 1.17 :
1443   
1444        - Finalized release.
1445       
1446    - 1.17alpha2 :
1447   
1448        - Fix stupid software accounting bug in the CUPS backend.
1449       
1450    - 1.17alpha1 :
1451   
1452        - User/Group deletion code in edpykota rewritten.
1453       
1454    - 1.16 :
1455   
1456        - Preliminary documentation on how to use OpenOffice.org
1457          to create personnalized reports for PyKota + PostgreSQL.
1458         
1459        - Spanish installation guide for CUPS+PyKota+PostgreSQL
1460          added to the documentation. Doesn't yet document v1.16
1461          though.
1462       
1463        - Portuguese Portuguese translation replaces Brazilian
1464          Portuguese Translation. Brazilian portuguese
1465          translation is still available under the 'br' locale.
1466       
1467    - 1.16beta3 :
1468   
1469        - Swedish translation added.
1470       
1471        - Small fix in documentation.
1472       
1473    - 1.16beta2 :
1474   
1475        - Small fix for job cancelling code while job already
1476          printing in CUPS backend.
1477         
1478        - Big fix wrt printing policies for unknown users. 
1479       
1480    - 1.16beta1 :
1481   
1482        - Manpages upgraded.
1483       
1484    - 1.16alpha26 :
1485   
1486        - Job price is now computed like this :
1487       
1488          SUM((NbPages * PricePerPage) + PricePerJob)
1489         
1490          For current printer and all the printers groups it is
1491          a member of, if any.
1492         
1493          This may be difficult to grasp, but offers unprecedented
1494          flexibility.
1495         
1496    - 1.16alpha25 :
1497   
1498        - Email address can be set at user creation time,
1499          using the following syntax :
1500         
1501            $ edpykota --add username/email@yourdomain.com
1502       
1503    - 1.16alpha24 :
1504   
1505        - CGI script now can show the printing history.
1506       
1507        - Bug wrt number of copies should be fixed.
1508       
1509        - Major code refactoring => It is now possible to
1510          automatically add printers on first print.
1511       
1512    - 1.16alpha23 :
1513   
1514        - Fixed potential accuracy problem if a user printed on
1515          several printers at the very same time.
1516       
1517    - 1.16alpha22 :
1518   
1519        - edpykota now allows adding printers to printer groups
1520       
1521    - 1.16alpha21 :
1522   
1523        - Allows the dot in user and printer names.
1524       
1525        - Printer groups are now cached too.
1526       
1527    - 1.16alpha20 :
1528   
1529        - Fixed several small bugs with the help of PyChecker.
1530       
1531    - 1.16alpha19 :
1532     
1533        - Fixed a bug in PostgreSQL backend's code.
1534       
1535    - 1.16alpha18 :
1536   
1537        - Initial code for printer groups support. Printer groups have
1538          to be added with external tools like psql or gq for example.
1539          Printer groups seems to work fine with users. Untested with user
1540          groups for now.
1541
1542        - Several minor visual problems fixed in reports.
1543       
1544        - Fixed a bug in LDAP date handling.
1545       
1546        - Fix for LDAP problem with some combination of OpenLDAP + Python-LDAP
1547          + some particular settings.
1548         
1549        - mailandpopup.sh shell script added. See sample configuration file
1550          for details.
1551       
1552        - Several environment variables are now exported when executing
1553          external commands (accounters, requesters, mailers) :
1554           
1555            PYKOTAUSERNAME => user who is printing
1556            PYKOTAPRINTERNAME => printer on which the job is being sent
1557            PYKOTATITLE => Job's title
1558            PYKOTAFILENAME => Job's filename
1559            PYKOTACOPIES => number of copies asked
1560            PYKOTAOPTIONS => print command options (-o with CUPS)
1561         
1562    - 1.16alpha17 :
1563   
1564        - Added portugues translation.
1565       
1566        - Major code refactoring in accounters.
1567       
1568    - 1.16alpha16 :
1569   
1570        - Code refactoring, and addition of a real HTML reporter, to
1571          have nice looking and useful web based reports (in the future).
1572       
1573        - Added utolower configuration option to convert all usernames
1574          to lowercase during printing.
1575         
1576    - 1.15alpha15 :
1577   
1578        - Now includes the papwaitprinter.sh shell script to wait for
1579          AppleTalk enabled printers.
1580         
1581    - 1.16alpha14 :
1582   
1583        - Now printing on a printer not defined in the Quota Storage,
1584          results in the job being cancelled or stopped, depending
1585          on the printing system.
1586         
1587    - 1.16alpha13 :
1588   
1589        - Small bugfix wrt Python v2.1
1590       
1591        - If username is an empty string, user root is assumed.
1592       
1593        - 'postgresql' is not recognized anymore as a storage backend,
1594          you have to use 'pgstorage' instead. 'postgresql' used to
1595          be supported for compatibility with very old PyKota versions,
1596          this is not the case anymore.
1597         
1598    - 1.16alpha12 :
1599   
1600        - Job price added to job history, to keep accounting correct
1601          if a printer price per page or per job is modified and the
1602          history is not reset : the history would have given a false
1603          amount of money charged before the printer's prices were
1604          modified, this addition solves the problem.
1605         
1606    - 1.16alpha11 :
1607   
1608        - Some preliminary modifications to the database structure for
1609          PostgreSQL and OpenLDAP. A script to upgrade a PostgreSQL
1610          database is now provided. LDAP attributes now support
1611          eq, pres and sub indexes.
1612         
1613        - Job history now contains additional informations : 
1614          number of copies, filename, title and print options.
1615         
1616    - 1.16alpha10 :
1617       
1618        - Some modifications done to external policy handling.
1619          See sample configuration file for details.
1620   
1621        - Spanish translation added.
1622       
1623    - 1.16alpha9 :
1624   
1625        - mailto can be set to external(...) to warn users above
1626          quota with any command of your choice (e.g. linpopup).
1627          Several parameters are available, see sample configuration
1628          file for details.
1629         
1630    - 1.16alpha8 :
1631   
1632        - Now cupspykota transmits SIGTERMS to the original 
1633          backend when the user deletes a job being processed.
1634         
1635        - The documentation is now licensed under the terms of the
1636          GNU GPL too.
1637         
1638    - 1.16alpha7 :
1639   
1640        - The CUPS backend is now fully functionnal (it seems).
1641       
1642        - From now on, the use of the pykota filter with CUPS
1643          is deprecated. The pykota filter still has to be
1644          used with LPRng though.
1645       
1646    - 1.16alpha6 :
1647   
1648        - Bug fixed : when edpykota was used to add a printer
1649          with no user or group name, a bad user/group name "*" was
1650          added to the database.
1651         
1652    - 1.16alpha5 :
1653   
1654        - New CUPS backend supports device enumeration !
1655          This means that NO manual CUPS configuration has to
1656          be done. All can now be done from CUPS web interface.
1657       
1658    - 1.16alpha4 :
1659   
1660        - New CUPS backend added.
1661       
1662    - 1.16alpha3 :
1663       
1664        - Minimal FAQ document added.
1665       
1666    - 1.16alpha2 :
1667   
1668        - CGI script now partially supports browser's language preference
1669       
1670    - 1.16alpha1 :
1671   
1672        - Ensures that the LDAP connection is really closed at end.
1673       
1674        - More complete error messages in case of LDAP operation failure.
1675       
1676    - 1.15 :
1677     
1678        - Documentation improved.
1679       
1680    - 1.15beta :
1681   
1682        - Command line tools now accept multiple printer
1683          names or wildcards, separated with commas.
1684         
1685    - 1.15alpha9 :
1686   
1687        - External policy can be used to auto-add unknown users
1688          and any other interesting things you may want to do.
1689          WARNING : You can't auto-add printers for now.
1690          They have to be created manually before.
1691          Look at sample configuration file for examples.
1692         
1693    - 1.15alpha8 :
1694   
1695        - Job history can be disabled if needed.
1696          This feature may be useful for people who use the LDAP
1697          backend and don't want their LDAP tree to grow out of
1698          control.
1699       
1700    - 1.15alpha7 :
1701   
1702        - More work done on caching wrt groups.
1703       
1704    - 1.15alpha6 :
1705   
1706        - Performance bottleneck with LDAP solved.
1707       
1708    - 1.15alpha5 :
1709   
1710        - Caching mechanism for all database queries.
1711
1712    - 1.15alpha4 :
1713   
1714        - Problem with Python 2.3 fixed. Needs some definitive
1715          modification.
1716         
1717    - 1.15alpha3 :
1718   
1719        - CGI script now tries to restrict view when the
1720          REMOTE_USER environment variable is set. This allows
1721          people to protect its use with .htaccess files.
1722          When unprotected, or if REMOTE_USER is 'root', then
1723          unrestricted access is granted.
1724          NB : REMOTE_USER is automatically set by the web server
1725          (e.g. Apache) when a page with restricted access is viewed.
1726         
1727    - 1.15alpha2 :
1728   
1729        - Better detection of LPRng.
1730       
1731        - Outputs a warning if printing system is unknown.
1732       
1733    - 1.15alpha1 :
1734   
1735        - Bug fix in SQL code.
1736       
1737    - 1.14 :
1738   
1739        - The PostgreSQL database connection is now always closed before
1740          exit. The LDAP database connection too, but it didn't suffer
1741          from the problem anyway, AFAICT.
1742       
1743    - 1.14beta2 :
1744   
1745        - An LDAP-specific configuration field was introduced, usermail.
1746          Use it to specify which LDAP attribute contains a valid email
1747          address for the user. See sample configuration file for
1748          details.
1749       
1750    - 1.14beta :
1751   
1752        - Two new LDAP-specific configuration fields were introduced,
1753          newuser and newgroup. Use them to specify if you want to add
1754          quota information to existing entries or elsewhere.
1755          See sample configuration file for details.
1756         
1757    - 1.14alpha9 :
1758   
1759        - Documentation improved.
1760       
1761        - pykotme now also prints the user's account balance value
1762          if the user is registered in the Quota Storage and his
1763          limiting factor is "balance".
1764         
1765    - 1.14alpha8 :
1766   
1767        - bin/waitprinter.sh is now included to wait for
1768          SNMP enabled printers to be idle again before
1769          asking for their internal page counter.
1770          See sample configuration file for details.
1771         
1772    - 1.14alpha7 :
1773   
1774        - edpykota now doesn't check if the user/group is above
1775          quota. The check is only done at print time. This
1776          prevents the sending of email messages when creating
1777          user quotas if quota is already reached at creation
1778          time.
1779         
1780    - 1.14alpha6 :
1781   
1782        - Configuration file split and moved to /etc/pykota/pykota.conf
1783          and /etc/pykota/pykotadmin.conf to prevent simple users to
1784          have Read/Write access to the Quota Database.
1785          Don't forget to :
1786         
1787                $ chmod 640 /etc/pykota/pykotadmin.conf
1788               
1789        - storageuser and storageuserpw configuration fields reintroduced
1790          for the same reason.
1791         
1792        - Code cleaning for future implementation of email addresses
1793          support in the PostgreSQL and LDAP backends.
1794         
1795    - 1.14alpha5 :
1796       
1797        - Big bug fixed when changing the prices for a printer
1798       
1799    - 1.14alpha4 :
1800   
1801        - When adding an user, the user itself and its account balance
1802          are now added in the same LDAP entry. Before they were added
1803          as two different LDAP entries.
1804         
1805    - 1.14alpha3 :
1806   
1807        - Email field added to PostgreSQL database. An upgrade script
1808          is included in initscripts/postgresql.
1809       
1810    - 1.14alpha2 :
1811   
1812        - Typo fixed when using the --prototype option to edpykota
1813       
1814    - 1.14alpha1 :
1815   
1816        - Poor man's treshold included : users with a low account
1817          balance (below 1.0 by default, configurable) are sent
1818          a warning message.
1819         
1820        - All warning messages to users are now configurable. 
1821          NB : Warning messages to the administrator are not.
1822       
1823    - 1.13 :
1824   
1825        - Some small fixes wrt group handling.
1826       
1827        - The whole module code was passed through PyChecker and
1828          several small code inconsistencies were fixed,
1829          as well as a bug in the groups code.
1830         
1831    - 1.13alpha1 :
1832   
1833        - Bug fix wrt LDAP.
1834       
1835    - 1.12 :
1836   
1837        - More complete test added in edpykota.
1838       
1839    - 1.12alpha2 :
1840   
1841        - The previous bug fix was incomplete. This is corrected.
1842       
1843    - 1.12alpha1 :
1844   
1845        - Small bug fix.
1846       
1847    - 1.11 :
1848   
1849        - Now includes the pykotme command line tool, to produce
1850          printing quotes for users.
1851         
1852    - 1.10 :
1853   
1854        - Bug fixed wrt quota reports when print limiting is by
1855          account balance.
1856         
1857    - 1.09 :
1858   
1859        - Translations finalized.
1860       
1861        - Manpages updated.
1862       
1863        - Installation documentation improved wrt LDAP support.
1864       
1865    - 1.09beta2 :
1866   
1867        - The CGI script for quota reports works again, and
1868          is much more powerful.
1869       
1870    - 1.09beta :
1871   
1872        - edpykota finalized
1873       
1874    - 1.09alpha2 :
1875   
1876        - LDAP schema modified a bit. Please upgrade.
1877       
1878        - LDAP backend works !
1879       
1880        - repykota and warnpykota allow the root user to pass
1881          users or groups names on the command line. Users
1882          and groups names may contain wildcards.
1883         
1884        - repykota and warnpykota only reports or warns the
1885          current user when launched by non-root users.
1886         
1887        - Minor bug fixes. 
1888   
1889    - 1.09alpha1 :
1890   
1891        - More work on LDAP storage backend. Many options
1892          were added to /etc/pykota.conf to give some
1893          hints to the LDAP storage backend.
1894         
1895        - Severe database access optimizations were done by
1896          rewriting most of the Quota Storage backends drivers.
1897     
1898    - 1.08 :
1899   
1900        - Major bug fix wrt LPRng support for remote jobs.
1901       
1902        - Major bug fix wrt increase/decrease account balances.
1903       
1904    - 1.08alpha8 :
1905   
1906        - Code refactoring.
1907       
1908        - A single user/password pair is used to connect
1909          to the database backend. The storageuser configuration
1910          field, and its associated passwords storageuserpw, are
1911          not used anymore.
1912         
1913        - You can now set PyKota in debug mode, see sample configuration 
1914          file for details.
1915          WARNING : only Quota Storage backend queries are logged in
1916          debug mode, for now.
1917       
1918    - 1.08alpha7 :
1919   
1920        - Very latest LDAP schema.
1921       
1922        - Code enhancement wrt easy pluggability of PyKota attributes
1923          and object classes into an existing LDAP directory.
1924       
1925    - 1.08alpha6 :
1926   
1927        - Minor bug corrections
1928       
1929        - More work on LDAP : new schema
1930       
1931    - 1.08alpha5 :
1932   
1933        - More good work on LDAP storage.
1934          repykota now works reasonably well with the sample LDAP directory.
1935       
1936    - 1.08alpha4 :
1937   
1938        - LDAP schema included.
1939          THIS IS JUST FOR PEOPLE TO DISCUSS ABOUT THIS.
1940          LDAP SUPPORT DOESN'T WORK YET, AND THE SCHEMA
1941          MAY CHANGE IN THE FUTURE. PLEASE TELL US
1942          WHAT YOU THINK ABOUT THIS SCHEMA ON THE
1943          MAILING LIST.
1944         
1945    - 1.08alpha3 :
1946   
1947        - External accounting methods were partly rewritten :
1948         
1949          - No more "broken pipe" should happen.
1950         
1951          - They now take care of the number of copies
1952            This may be unneeded though, if the postscript
1953            file already does this, because this would
1954            overcharge users (number of copies counted
1955            two times). NEEDS MORE TESTING.
1956           
1957          - The sample configuration file now contains 
1958            an external accounting method example which should
1959            work with all DSC compliant Postscript files.
1960           
1961        - Some small bugs were fixed.   
1962       
1963    - 1.08alpha2 :
1964   
1965        - Now works with net-snmp v5.0 and above.
1966          It already worked, but the sample configuration
1967          file didn't contain appropriate values...
1968       
1969    - 1.07 : Release of the Shame !
1970   
1971        - The external accounting methods driver was left out of
1972          the CVS tree. Nobody could use it since it wasn't included !
1973         
1974    - 1.06 :
1975   
1976        - Severe bug fixed : if you had a printer in
1977          power saving state which couldn't answer immediately,
1978          a bug was triggered.
1979          It was caused by a bad copy/paste which
1980          forgot to import a Python module at run time.
1981         
1982    - 1.05 :
1983   
1984        - External accounters are finally available !
1985          This means that you can plug any page accounting
1986          method you like by setting the appropriate
1987          'accounter' field in /etc/pykota.conf
1988          See the sample conf/pykota.conf.sample to
1989          learn how to do.
1990         
1991          NB : Both 'external' and 'stupid' accounting methods
1992               account a job size just before *this* job is
1993               sent to the printer.
1994               The original 'querying' method accounts a job
1995               size just before *the next* job is sent to
1996               the printer.
1997       
1998    - 1.05alpha3 :
1999   
2000        - A 'stupid' and unreliable accounting method was
2001          implemented to serve as an example on how to
2002          do this sort of things. This method only counts
2003          the 'showpage' statements in the input data.
2004          See sample configuration file for details.
2005          Pluggable accounting methods work, but I advise
2006          you TO NOT USE THIS ONE WHICH IS JUST AN EXAMPLE.
2007          It is not reliable enough to be used.
2008          Use the 'querying' accounting method instead.
2009         
2010    - 1.05alpha2 :
2011   
2012        - Pluggable accounting methods.
2013       
2014        - Better error handling.
2015       
2016    - 1.05alpha1 :
2017   
2018        - SECURITY file added to help improve PyKota's security.
2019       
2020        - Extracting the printer's internal page counter is now
2021          tried several times, waiting several seconds between
2022          two tries. This lets the time to warm up for some printers
2023          which don't answer when they are sleeping (my Apple
2024          LaserWriter 16/600 PS is in this case, maybe others too)
2025         
2026        - Small display bug fixed in repykota
2027         
2028    - 1.04 :
2029   
2030        - Default print policy for users/groups unknown from
2031          the print quota system is now DENY instead of ALLOW,
2032          since ALLOW can generate inaccurate results
2033          (incorrect job sizes charged to the wrong persons)
2034         
2035        - LPRng support works !
2036       
2037        - A bug was introduced some time ago wrt printers' default
2038          policy for unknown users. It is now corrected.
2039       
2040        - repykota now displays prices per job and per page for each
2041          printer, if they are defined.
2042         
2043        - Minor display bug fixed in repykota.
2044       
2045        - Problem when running repykota with an empty database was fixed.
2046       
2047    - 1.03 :
2048   
2049        - Upgrade script included for earlier versions.
2050          Please look inside the initscripts subdirectory.
2051          THE DATABASE SCHEMA HAS CHANGED, PLEASE UPGRADE.
2052         
2053        - repykota now reports account balances too.
2054       
2055        - PyKota now has a nice logo, see the logos
2056          subdirectory.
2057       
2058        - Manual pages were finally updated.
2059       
2060        - Group quotas seem to work now !
2061       
2062        - The new database schema allows to keep an history of all
2063          jobs as well as charge users per page and/or per job,
2064          and track users' account balance.
2065         
2066        - edpykota now accepts much more command line options to 
2067          use the new functionnalities. See edpykota --help for
2068          details.
2069         
2070        - The installation script now allows to install the sample
2071          configuration file during first installation.
2072         
2073        - More group quota code works, but still not finished. 
2074       
2075        - The CGI script displays a link to PyKota's website.
2076       
2077        - The job history is now kept, this will allow per-period
2078          reports in the future.
2079         
2080        - After having modified the quota for an user with edpykota,
2081          a quota check is done to eventually warn the user/admin about
2082          a quota which is too low to print.
2083         
2084        - A workaround is provided for HP Printers : their internal
2085          page counter is only saved to NVRAM in a 10 increment, so
2086          if you switch them off and then on, the reported page counter
2087          may be lower than the real number of pages printed.
2088          See http://web.mit.edu/source/third/lprng/doc/LPRng-HOWTO-15.html
2089          We unconditionnally set the last job's page count to
2090          abs(int((10 - abs(lastcounter(snmp) - lastcounter(storage)) / 2))
2091          in this case.
2092          For a more accurate accounting, never switch your HP printers
2093          off.
2094         
2095        - A fix is provided for printers which only have a volatile 
2096          page counter (reset to 0 every time you switch the printer on)
2097          This should allow PyKota to work reasonably fine with HP Laserjet
2098          4L/5L/6L, not perfect, but better than nothing.
2099          See http://web.mit.edu/source/third/lprng/doc/LPRng-HOWTO-15.html
2100          For a more accurate accounting, never switch your HP printers
2101          off. This is untested, please report any problem.
2102         
2103        - A bug was fixed when edpykota --add was used with users who already
2104          had a quota on the specified printer.
2105         
2106        - A small display bug in repykota was introduced in preliminary
2107          1.03 versions, and fixed later on.
2108         
2109        - Some minor bugs which happened in rare situations were fixed.
2110       
2111        - Support for AppleTalk printers was added, see sample configuration
2112          file for details.
2113         
2114        - Users and group printing can now be controlled (limited) either by 
2115          print quota or by account balance.
2116       
2117    - 1.02 :
2118   
2119        - The installation script now checks for software availability
2120          and in case a software is missing asks the user if he
2121          wants to continue with the installation or abort it.
2122         
2123        - The configuration file pykota.conf is now expected to be
2124          found in /etc instead of in /etc/cups
2125          The installation script prompts the user to see if he
2126          wants to move an old configuration file to the new location
2127          if needed.
2128         
2129        - Improved documentation.
2130       
2131        - You can now set the tcp/ip port on which the Quota Storage
2132          Server is listening, see sample configuration file for details.
2133       
2134        - Better general error handling.
2135       
2136        - Upgrade script for pre 1.01 PostgreSQL database schema is now
2137          included as well.
2138       
2139    - 1.01 :
2140   
2141        - The configuration file now accepts an option   
2142          to choose the recipient(s) of the email messages :
2143         
2144            - DevNull means no one will receive them.
2145            - User means only the user will receive them.
2146            - Admin means only the admin will receive them.
2147            - Both means the User and the Admin will receive them.
2148           
2149        - The configuration file now uses hard-coded default values
2150          when an option is not set. See sample configuration file
2151          for details.
2152         
2153        - Manual pages are included since 1.00, but I forgot to   
2154          add this information to this file.
2155         
2156        - Redistribution terms for the official package have 
2157          softened and are now fully GPL compatible :
2158          unrestricted modification is now allowed even for
2159          the version number.
2160         
2161    - 1.00 :
2162   
2163        - edpykota now accepts a --noquota option. This
2164          disable quota checking while still doing page
2165          accounting. This is really useful for people
2166          who don't want to limit their users but want
2167          to know how much pages they print.
2168         
2169        - Some untested scripts were added to retrieve
2170          the life time page counter of non-SNMP printers.
2171         
2172        - Every directory now has a specific README file. 
2173       
2174    - 0.99 :
2175   
2176        - Under some circumstances while the user wasn't allowed
2177          to print, he didn't receive any email message. It is
2178          now fixed.
2179         
2180        - When an user wasn't allowed to print, the quota for
2181          the previous user wasn't updated. This is now fixed.
2182         
2183    - 0.98 :
2184   
2185        - Correctly handle the case where the printer is switched off.
2186       
2187        - Small bug wrt syslog fixed.
2188       
2189    - 0.97 :
2190   
2191        - edpykota accepts wildcards on its command line for users/groups too
2192          if the --add option is not set, e.g. :
2193         
2194              $ edpykota --printer lp --softlimit 50 --hardlimit 100 "jer*"
2195             
2196        - If no user name is passed at all, then a default wildcard of "*"
2197          which means apply the command on ALL users for this printer is used.
2198         
2199        - Small bug fixes.
2200       
2201    - 0.96 :
2202
2203        - Options requester, policy, admin, adminmail and gracedelay can now
2204          be set either globally or per printer. The printer option has
2205          priority if both are defined.
2206
2207        - More powerful configuration parser.
2208       
2209        - If all options are defined globally, there's no need to
2210          define a section for each printer in the configuration
2211          file anymore. Just define a [global] section and it's ok.
2212
2213    - 0.95 :
2214
2215        - External requesters for printers finally added.
2216
2217        - Full internationalization (english and french are supported)
2218 
2219        - More complete quota usage report
2220
2221        - CGI script to access to the quota usage report
2222
2223        - Several bugs fixed.
2224
2225
2226    - 0.9 :
2227
2228        - First public version
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