root / pykota / trunk / NEWS @ 2214

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1# $Id$
2
3PyKota - Print Quota for CUPS and LPRng
4
5(c) 2003, 2004, 2005 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
19
20============================================================
21
22PyKota NEWS :
23       
24    - 1.22alpha8 :
25   
26        - Fixed an i18n problem with Python 2.1
27       
28    - 1.22alpha7 :
29   
30        - Fixed some problems with the retrieval of the history from LDAP.
31       
32    - 1.22alpha6 :
33   
34        - Early errors now produce meaningful error messages (finally !)
35       
36    - 1.22alpha5 :
37       
38        - SNMP and PJL improvements with regard to PowerSave / StandBy.
39       
40    - 1.22alpha4 :
41   
42        - Fixed charset problem under MacOSX.
43       
44        - Allows pkbanner to accept more info to display on its
45          command line.
46         
47    - 1.22alpha3 :
48   
49        - Fixes some case related problems with some LDAP backends.
50       
51        - Fixes some problem for printers which directly go from
52          "idle" to "warmup" and never to "printing" before
53          returning to "idle".
54         
55        - Some permissions settings may have prevented cupspykota
56          from parsing cupsd.conf, this is now fixed.
57         
58    - 1.22alpha2 :
59   
60        - Introduction of the web enabled print quote generator.
61       
62        - Fixed a potential race condition when several backend
63          wrappers were present in CUPS' backend directory.
64         
65        - Fixed dumpykota's output in CUPS' page_log format to better
66          match CUPS format.
67         
68    - 1.22alpha1 :
69   
70        - Import into Subversion.
71       
72    - 1.21 :
73   
74        - Improved documentation.
75       
76        - Improved dependencies checker.
77       
78        - Updated some translation files.
79       
80    - 1.21beta2 :
81   
82        - Fixed an LPRng specific bug.
83       
84        - Several improvements on stability issues with manually modified
85          LDAP trees.
86         
87        - Documentation improvements. 
88       
89    - 1.21beta :
90   
91        - Prepared translation files for next release.
92       
93    - 1.21alpha27 :
94   
95        - Allows software() (no arguments) to the software accounting
96          directive. This saves a lot of CPU since the job is not
97          parsed again : the precomputed size is used directly in this
98          case.
99         
100        - epykota's --prototype option now works fine with accounts
101          limited by balance.
102         
103    - 1.21alpha26 :
104   
105        - Fixed the handling of the 'maxdenybanners' directive.
106       
107        - Introduced the 'denyduplicates' directive.
108       
109        - Fixed some database related glitches.
110       
111    - 1.21alpha25 :
112   
113        - The job's size is now always precomputed, even when
114          'enforcement' is not set to 'strict'.
115         
116        - Introduction of the new 'trustjobsize' configuration directive
117          to workaround some problematic printers. See the sample
118          configuration file for details.
119         
120    - 1.21alpha24 :
121   
122        - Big database structure changes. An upgrade script
123          is now included for PostgreSQL. LDAP users may just
124          want to copy the new schema in place.
125         
126        - edpykota now recognizes the -o | --overcharge command line
127          option to set an overcharging or undercharging factor
128          on each print job's cost for a particular user.
129         
130        - repykota's output format has changed an is not limited to 
131          80 characters wide anymore. People who used to parse
132          repykota's output in their own tools are strongly advised
133          to parse dumpykota's output instead.
134         
135        - Introduction of the new 'maxdenybanners' configuration directive
136          to allow up to N (the directive's value) deny banners to be
137          printed even if the print account is forbidden to print.
138         
139        - Better detection of the number of copies in the PostScript parser.
140       
141    - 1.21alpha23 :
142   
143        - Traditional Chinese translation added.
144   
145        - Several fixes and performance improvements with the LDAP backend.
146       
147    - 1.21alpha22 :
148   
149        - edpykota's --delete command line option doesn't consider
150          '*' to be the default argument anymore :-)
151         
152    - 1.21alpha21 :
153   
154        - dumpykota.cgi can now be run as a normal user as opposed to
155          a PyKota administrator. No read access to pykotadmin.conf is
156          necessary anymore. This CGI scripts now honors the REMOTE_USER
157          environment variable just like printquota.cgi does, see
158          the file cgi-bin/README for details.
159          The command line tool dumpykota must still be run by a PyKota
160          administrator.
161         
162        - Fix exception's name error due to a change in recent versions
163          of PygreSQL.   
164         
165    - 1.21alpha20 :
166         
167        - Big bug fix wrt the datelimit field which was never reset.
168         
169    - 1.21alpha19 :
170   
171        - Introduction of the new dumpykota.cgi CGI script, which
172          allows third party tools like phpPrintAnalyzer to be
173          interfaced in real time with PyKota. To use it you
174          may have to change your web server's configuration,
175          please see pykota/cgi-bin/README
176         
177    - 1.21alpha18 :
178   
179        - Now dumpykota can dump the job history into CUPS' page_log
180          format (even when the printing system is LPRng). This allows
181          people to use tools like PrintAnalyzer or phpPrintAnalyzer
182          (two completely different beasts) with PyKota.
183         
184    - 1.21alpha17 :
185     
186        - Fixed field type's name in XML dumps.
187       
188        - Now drops priviledges to user 'pykota' when launched as root
189          (directly or as a CUPS backend), if such an user exists.
190         
191        - Fixed PCL3/4/5 parser for some drivers' output.
192       
193    - 1.21alpha16 :
194   
195        - fixed several recently introduced bugs in LDAP backend code,
196          thanks to Matt Hyclak.
197         
198    - 1.21alpha15 :
199     
200        - Normalized field names between LDAP and PostgreSQL backends
201          in dumpykota's output.
202         
203        - dumpykota filtering capabilities are now supported within
204          the LDAP backend too.
205         
206    - 1.21alpha14 :
207   
208        - dumpykota now supports extended filtering possibilities
209          with the PostgreSQL backend (LDAP support will come soon).
210         
211    - 1.21alpha13 :
212   
213        - Added a --debug command line option to pkpgcounter, so
214          that people may see what really happens, and what will
215          be available in the future :-)
216         
217    - 1.21alpha12 :
218   
219        - Fixed a bug with non standard pkbanner command lines.
220       
221        - Now logs as errors the differences between precomputed and
222          computed job sizes. **CUPS only for now**
223         
224    - 1.21alpha11 :
225   
226        - Now user and group print quota entries can be stored directly
227          below the user or group with the LDAP backend, using them
228          as branches. Thanks to Stefan Wold for the patch.
229          See the sample configuration file for details.
230         
231        - TLS is now supported with the LDAP backend. Thanks to Stefan
232          Wold for the patch.
233          See the sample configuration file for details.
234         
235        - edpkota now accepts the -U | --used value command line argument
236          to preset the page counters to an initial value. Thanks to
237          Wilson Roberto Afonso and Matt Hyclak for the patch.
238         
239    - 1.21alpha10 :
240   
241        - Now automatically reconnects up to three times if the LDAP server
242          returned an error, possibly due to a timeout.
243         
244    - 1.21alpha9 :
245   
246        - Now searches the configuration files in 'pykota' system user's
247          home directory. The 'pykota' system user and group have
248          to be created by the system administrator, and given
249          sufficient permissions to PyKota's configuration files.
250         
251    - 1.21alpha8 :
252   
253        - Added the new reject_unknown directive to reject the
254          creation of user or groups which are unknown to the system.
255         
256    - 1.21alpha7 :
257   
258        - Introduction of the pkmail email gateway.
259       
260    - 1.21alpha6 :
261   
262        - Fix for LPRng filenames.
263       
264        - Added Turkish translation thanks to Baris Cicek.
265       
266    - 1.21alpha5 :
267   
268        - Improved ESC/P2 miniparser for Stylus Photo printers.
269       
270        - Implemented the --savetoner command line option to pkbanner.
271       
272        - Improved pkbanner's help and messages.
273       
274    - 1.21alpha4 :
275   
276        - Fixed job's data file detection code for LPRng.
277       
278        - Fixed a problem with PJL and PowerSave mode,
279          thanks to Wilson Roberto Afonso.
280       
281    - 1.21alpha3 :
282   
283        - PyKota can now generate its own banners, and either account
284          for them or not, depending on newly introduced directives
285          in pykota.conf
286          Thanks to Matt Hyclak for the patch.
287         
288    - 1.21alpha2 :
289   
290        - Installation script is now non interactive again, as it should
291          have stayed from the beginning. Dependencies checking can
292          be done by launching the checkdeps.py command.
293         
294    - 1.21alpha1 :
295   
296        - added an IPP messages miniparser. Extraction of the client
297          hostname is now considered to be fiable, at least until
298          the CUPS developpers change something...
299       
300    - 1.20 :
301   
302        - Version number changed.
303       
304    - 1.20beta :
305   
306        - Norwegian (Bokm� preliminary translation added.
307       
308        - German translation was finalized.
309       
310        - Greek translation was finalized.
311       
312        - For urgent legal reasons, a "privacy" directive has been added
313          to pykota.conf, to hide jobs' title, filename and options
314          in the history.
315         
316        - Minor changes in the debian directory.
317       
318    - 1.20alpha27 :
319   
320        - Fixed many problems with translation files. In particular
321          the Brazilian Portuguese translation file was incorrectly
322          installed into the french "breton" locale directory.
323         
324        - Finished French translation. 
325         
326    - 1.20alpha26 :
327   
328        - LPRng support code should now better detect network
329          printers' hostnames or IP addresses.
330         
331        - Fix for recently introduced bug in LPRng support.
332       
333        - Fix for incorrect locale setting when starting.
334       
335    - 1.20alpha25 :
336   
337        - pkprinters allows --list to normal users, but require user
338          to be a PyKota administrator when another command line
339          option is used.
340         
341        - pkhint doesn't use absolute path to search for helper commands
342          anymore.
343         
344        - Spanish translation ready for 1.20.   
345       
346    - 1.20alpha24 :
347   
348        - Now warnpykota only warns users limited by balance once.
349       
350        - Now warnpykota only warns users who have ever printed,
351          to not cause confusion to users who have just opened
352          their account.
353       
354        - Prepared help messages for translations.
355       
356    - 1.20alpha23 :
357   
358        - Add workaround for locale problem.
359       
360    - 1.20alpha22 :
361   
362        - Hopefully final fix for data encoding charset.
363       
364        - edpykota now refuse to work if the user is not a PyKota admin.
365       
366        - Fixes a recently introduced bug with users groups and PostgreSQL.
367       
368    - 1.20alpha21 :
369   
370        - Now dumpykota refuses to launch if the current user is not
371          a PyKota administrator (a PyKota administrator is an user
372          allowed to read the pykotadmin.conf file).
373         
374        - Now any PyKota administrator can use repykota and warnpykota
375          with additionnal arguments, not only the root user.
376         
377        - Improved documentation a bit.
378       
379    - 1.20alpha20 :
380   
381        - Reduced delay in internal SNMP and PJL_over_TCP handlers
382          from 2 to 1 second.
383       
384        - dumpykota can now output XML.
385       
386    - 1.20alpha19 :
387   
388        - Improved user groups and user groups quotas dumps in dumpykota.
389       
390        - Finished implementation of LDAP support in dumpykota.
391       
392        - The md5 sum of the job's datas is now available as an
393          hexadecimal digest in the PYKOTAMD5SUM environment variable.
394         
395        - The description, filename, title, and options fields
396          are now stored as UTF-8 strings in both LDAP and PostgreSQL.
397          Proper charset is used during extraction from the database.
398         
399    - 1.20alpha18 :
400   
401        - Experimental autopykota command to initialize user
402          account and quota entries on first print while not
403          resetting the balance value if not needed.
404         
405        - Added the new "winbind_separator" directive to strip
406          out the Samba/Winbind domain name while printing if
407          needed (Off by default).
408         
409    - 1.20alpha17 :
410   
411        - Added --hardreset command line option to edpykota.
412       
413        - Fixed problem with accented chars in title, filename
414          or options and LDAP backend.
415         
416    - 1.20alpha16 :
417   
418        - Internal handling of socket based PJL queries over
419          port tcp/9100 is now available with the magic
420          'pjl' value in the hardware accounter.
421         
422    - 1.20alpha15 :
423   
424        - LDAP pykotaAccountBalance objects were always created
425          attached to the pykotaUser objects. This is now
426          fixed and the value of balancebase in pykota.conf
427          is now correctly used.
428         
429    - 1.20alpha14 :
430   
431        - Belgian translations added (copy of the french ones).
432       
433        - External hardware accounter now loops until
434          a result can be read correctly.
435         
436        - pkhint now suggest the internal snmp handling instead
437          of the external one.
438         
439    - 1.20alpha13 :
440     
441        - Hardware accounter now accepts the special
442          'snmp' value, meaning ALL is done from main code
443          without launching any subprocess.
444          You need the http://pysnmp.sf.net Python module
445          for this to work (tested with v3.4.2)
446         
447        - Increased delay between two loops iterations 
448          to 2 seconds in waitprinter.sh to diminish
449          CPU load.
450         
451    - 1.20alpha12 :
452   
453        - waitprinter.sh rewritten from scratch to wait
454          for printer status stabilization.
455       
456    - 1.20alpha11 :
457   
458        - Generic data dumper 'dumpykota' introduced.
459          Works only with PostgreSQL backend for now.
460         
461    - 1.20alpha10 :
462   
463        - Added fix for incorrect job's size computation when
464          hardware accounting fails.
465         
466    - 1.20alpha9 :
467   
468        - Small fixes wrt subprocesses.
469       
470    - 1.20alpha8 :
471   
472        - Added full support of PCL3 : HP Deskjet printers are now
473          supported.
474       
475    - 1.20alpha7 :
476   
477        - First draft of PCL3GUI (Deskjet 640C for example) analyzer.
478          Needs more work, but no documentation is available.
479       
480    - 1.20alpha6 :
481     
482        - Improved mailandpopup.sh script.
483       
484        - Small fixes for LPRng.
485       
486        - Now exports PYKOTAPRINTERHOSTNAME for network printers'
487          hostname or IP address. Set to 'localhost' when not
488          meaningful.
489         
490        - Fixed issue with how mod_auth_ldap Apache modules
491          fills the REMOTE_USER environment variable.
492         
493        - Fixed a bug in LDAP user deletion code.
494       
495    - 1.20alpha5 :
496     
497        - Introduces the new configuration directive 'onaccountererror'
498          to specify what must be done whenever the software or
499          hardware accounter fails. Allowed values are 'continue' and
500          'stop' (default).
501         
502        - Minor fix in software accounter for a recently introduced
503          problem.
504         
505    - 1.20alpha4 :
506   
507        - Added support for more ghostscript devices in ESC/P2
508          analyzer : stcolor, st800, escp, escpc are now supported.
509         
510    - 1.20alpha3 :
511       
512        - Small improvement in PostScript parser to avoid being
513          fooled by a change in number of copies :
514          The user can't ask for 200 copies of page 1 and 1 copy
515          of page 2 to fool PyKota anymore :
516          this would have been accounted for as 1 copy only, but
517          now the maximum value seen is used.
518         
519        - Relax checks for PCL5 header to accomodate some strange
520          printer drivers.
521         
522        - Now hardware accounting method works like software
523          accounting method wrt the subprocess' output.
524         
525        - Hardware and Software accounting stop the print queue 
526          when the accounting subprocess didn't work. This will
527          be configurable in the near future.
528         
529    - 1.20alpha2 :
530   
531        - Now software accounting method reads accounter's
532          answer until a line with a single integer is
533          obtained or until all of its output has been read.
534          This should fix the problem some people have
535          when strange locale related messages are sent
536          when running subprocesses (Solaris only ?).
537         
538        - First version of ESC/P2 analyzer. Seems to work
539          ok at least with 'epson', 'epsonc', 'eps9mid'
540          and 'esp9high' ghostscript devices. Needs more
541          work to correctly analyze other devices.
542       
543    - 1.20alpha1 :
544   
545        - Fixed problem with number of copies in PCLXL parser.
546       
547        - Fixed problem with number of copies in PCL5 parser,
548          when number of copies was set outside of and before first
549          page.
550       
551        - Added workaround for number of copies directly set in
552          PostScript code.
553         
554        - Added german translation.
555       
556        - Fixed problem on first print for user group quota when
557          "enforcement: strict" is used.
558       
559        - Fixed interpolation problem in french translation.
560       
561    - 1.19 :
562   
563        - Updated existing translations.   
564       
565        - Added final Thai and Greek translations.
566       
567        - Minor last minute bug fixes.
568       
569    - 1.19beta :
570   
571        - LPRng support for both software and hardware accounting seems
572          to be OK.
573         
574        - Translation files fixed because of fuzzy matching problem. 
575       
576        - Fixed path to Swedish translation: 'sv' instead of 'se'.
577       
578        - Added first draft of Thai translation.
579       
580        - Fixed some minor bugs with Pychecker.
581       
582    - 1.19alpha35 :
583   
584        - Generic PDL analyzer now supports Binary PostScript documents
585          in addition to DSC compliant ones.
586       
587    - 1.19alpha34 :
588   
589        - LPRng support : software accounting seems to work fine,
590          but hardware accounting doesn't work yet.
591   
592    - 1.19alpha33 :
593   
594        - pykosd now accepts command line arguments. Enjoy !
595          NB : due to a bug in xosd, you need xosd version 2.2.8
596          or higher if you don't use the default C locale.
597         
598    - 1.19alpha32 :
599   
600        - Early (not working) version of the LPRng support rewrite.
601       
602        - Saner default configuration file.
603       
604    - 1.19alpha31 :
605   
606        - Fixed a double Python2.1 incompatibility with newer versions,
607          which prevented the PCL5 and the PCLXL parsers to work with
608          this older version of Python.
609         
610    - 1.19alpha30 :
611   
612        - Introduction of preliminary version of the pykosd command
613       
614        - Usernames, Groupnames and Printernames can now contain
615          ANY character, expected '/' and '@'.
616       
617        - Integrated most of the Debian work from Sergio
618          Gonz�z Gonz�z
619         
620    - 1.19alpha29 :
621   
622        - PCLXL parser should now correctly handle number of
623          copies set for each page.
624         
625        - Added testsuite for generic PDL analyzer.
626       
627        - Typo fixed in PCLXL parser.
628       
629        - Correctly dispatches error messages depending on the
630          situation : tools which can be run interactively will
631          ALWAYS output their logs to stderr, excepted for
632          their DEBUG messages, for which the "logger:"
633          directive as set in pykota.conf will be honored.
634          Tools which can't be run interactively will ALWAYS
635          honor the "logger:" directive as set in pykota.conf
636         
637    - 1.19alpha28 :
638   
639        - The description field for printers can now be set,
640          and is displayed in reports.
641         
642        - Fixed a small problem in SQL backend code.
643         
644        - Improved pkhint
645       
646        - First working PCL6 (aka PCLXL) parser !
647          Doesn't handle copies yet.
648       
649    - 1.19alpha27 :
650   
651        - Additionnal 10% speed increase in PCL5 parser for GhostScript
652          generated files (untested yet with other PCL files).
653         
654        - Reintroduced the use of mmap in PCL5 parser : this speedups
655          PCL5 parsing by almost 4 times.
656          This 4x with the 3x below give us in fact a twelvefold increase
657          in performance for PCL5 parsing !
658         
659        - The Python accelerator Psyco is now used if available
660          in the generic PDL parser : it speedups PCL5 parsing by
661          almost three times automagically.
662         
663    - 1.19alpha26 :
664   
665        - Fixed PCL5 parser according to the sources of rastertohp.
666       
667        - Fixed number of copies handling in PCL5 parser : the number
668          of copies could vary from page to page.
669         
670        - Added more debug information to PCLXL parser. 
671       
672    - 1.19alpha25 :
673   
674        - Added new "description" field to printers in both
675          PostgreSQL and LDAP. No code to handle this yet.
676         
677        - Reversed the fix for power save mode in printers : 
678          no paper or tray open would have caused people to
679          be undercharged.
680         
681        - Preliminary version of MySQL initialization script.
682         
683    - 1.19alpha24 :
684   
685        - Native PDF parsing code now works perfectly with
686          Python 2.1 and above, and is way faster than before.
687          GhostScript is not used anymore to convert PDF to PS,
688          because PDF is parsed directly.
689         
690    - 1.19alpha23 :
691   
692        - Fixed waitprinter.sh wrt PowerSave mode and some
693          printers. Thanks to Ryan Suarez.
694       
695        - Smart PDL analyzer now recognizes PDF too : two
696          PDF parsing methods are used : a native one which
697          is very fast but requires Python 2.3 or above, and
698          a slower one which uses Ghostscript. PyKota detects
699          automatically which method to use depending on your
700          version of Python.
701       
702        - All tracebacks now include PyKota's version number.
703         
704    - 1.19alpha22 :
705   
706        - Ensures that the file pointer for job's data is
707          reset to the start of the job's datas after the
708          job's size pre-computation phase.
709         
710        - Improved PostScript detection code for bad drivers
711          which don't correctly switch languages between PJL
712          and PS.
713       
714        - Even better debugging code.
715       
716    - 1.19alpha21 :
717   
718        - Additionnal check.
719       
720    - 1.19alpha20 :
721   
722        - More complete logging messages wrt accounters.
723       
724        - Now catches early failures occuring when the configuration
725          files are parsed.
726       
727    - 1.19alpha19 :
728   
729        - Fixed over-verbose exits when displaying help
730          or version.
731         
732        - Extended some PATH in the shell scripts 
733       
734        - Deleting an user now also deletes his payments history.
735       
736        - Doesn't explicitely ignore SIGCHLD anymore. This seems to
737          cause problems.
738
739    - 1.19alpha18 :
740   
741        - History of payments is now stored in the database, and
742          updated each time an user's balance is modified with
743          edpykota --balance. This history represents each time
744          the user was given some positive or negative credit,
745          but doesn't reflect price paid for jobs, which appear
746          in the jobs history instead.
747         
748        - Jobs history web reports now include the job's size in
749          bytes. Also columns were reordered to render the report
750          more easily readable.
751         
752    - 1.19alpha17 :
753   
754        - Mysterious bug (program exited unexpectedly without leaving
755          any log message) which occured once in a while when
756          cancelling jobs should be fixed now.
757         
758        - New 'crashrecipient' directive. Disabled by 
759          default. See sample configuration file to see how
760          to activate it. It is suggested that you activate it.
761         
762        - New PYKOTAJOBSIZEBYTES environment variable exported, 
763          which contains the job's size in bytes. Empty jobs
764          are now denied. This value is now stored in the job
765          history (but not yet displayed from the web interface)
766         
767        - Preliminary work on payments storage : the PostgreSQL 
768          and LDAP schemas should be OK now, but no code is written
769          yet to support this functionnality.
770         
771    - 1.19alpha16 :
772   
773        - the newuser and newgroup LDAP specific directives now accept
774          a second parameter to attach(), "fail" or "warn". If no entry
775          is found to attach PyKota attributes to, and "fail" was used,
776          then action is aborted and program exits in error. If "warn"
777          is used, a new entry is created but a warning message is logged.
778         
779        - The job's originating hostname is now stored in the database,
780          and exported as PYKOTAJOBORIGINATINGHOSTNAME in the environment.
781       
782    - 1.19alpha15 :
783   
784        - The old pykota filter is now removed. This means that
785          currently PyKota doesn't support LPRng anymore, but
786          LPRng support will be re-added, improved, in the near future.
787         
788    - 1.19alpha14 :
789   
790        - PYKOTAPRECOMPUTEDJOBSIZE and PYKOTAPRECOMPUTEDJOBPRICE
791          are now exported as environment variables.
792         
793        - Heavy CPU usage is now completely fixed it seems, by
794          introducing some 0.01 second sleeping when nothing to do.
795         
796        - Pre-computation of the job's size is now only
797          done when enforcement is "STRICT", this saves
798          CPU for people who don't want to use this new
799          feature.
800         
801        - New 'enforcement' directive which accepts either
802          STRICT or LAXIST. See sample configuration file
803          for details.
804         
805    - 1.19alpha13 :
806   
807        - Get back to an old version of the polling loop which
808          worked fine, but non-optimally. Will be optimized
809          as time permits.
810         
811    - 1.19alpha12 :
812   
813        - Job's size is now precomputed unconditionnally using
814          the generic PDL analyzer.
815          NB : This value is not yet used to pre-allow/deny the
816          job.
817       
818    - 1.19alpha11 :
819   
820        - The pykota filter is now completely deprecated and
821          can't be used anymore. LPRng users MUST download
822          an older version of PyKota. CUPS users MUST use
823          cupspykota. Better support for LPRng will come
824          in the near future.
825         
826    - 1.19alpha10 :
827   
828        - pykotme now uses generic PDL Analyzer directly instead
829          of spawning a new process.
830         
831        - Improvements to generic PDL Analyzer.
832       
833        - 25% Speedup in PCL parser. Getting more of the Python version
834          will probably be difficult, since the completely table driven
835          parser I wrote is slower than the original algorithm. Then,
836          the original algorithm is still used for now.
837          Probable that more speed could be achieved using mmap, at the
838          expense of severe memory consumption.
839       
840        - configuration simplifications : the "accounter" directive's
841          'hardware' arguments now accepts what was in the "requester"
842          directive as it's content. The "requester" directive is not
843          supported anymore. See sample configuration file for details.
844       
845    - 1.19alpha9 :
846       
847        - pkpgcounter is now just a wrapper around the PDLAnalyzer class
848       
849        - pykotaOptions LDAP attribute now accepts non-ascii characters
850          too.
851         
852        - First try at cupspykota main loop rewrite
853       
854    - 1.19alpha8 :
855   
856        - 'querying' accounting method is now called 'hardware'
857       
858        - 'external' accounting method is now called 'software'
859       
860        - 'stupid' accounting method doesn't exist anymore
861       
862        - 'snmp' requester doesn't exist anymore
863       
864        - code simplifications in external requester
865       
866    - 1.19alpha7 :
867     
868        - Database schema change (both LDAP and PostgreSQL) to
869          allow storage of the job-originating-hostname attribute.
870          An SQL upgrade script is present. The code is not yet
871          capable of setting/retrieving this attribute. Support
872          for this functionnality will be added in the future.
873         
874    - 1.19alpha6 :
875   
876        - problems connecting to SMTP servers are now catched.
877       
878        - pykotme now uses pkpgcounter to compute the size of the
879          job. This modification adds PCL5 and soon PCLXL (PCL6)
880          support. You can now get quotes for PCL in addition to
881          PostScript.
882         
883        - pkpgcounter now includes first try at PCLXL parser. 
884          It is currently disabled until it's finished.
885         
886    - 1.19alpha5 :
887   
888        - cupspykota polling loop fix for MacOSX (at least)
889       
890        - logging subsystem now logs PID too, to ease diagnosing
891          problems under heavy load.
892         
893        - pkpgcounter enhancements.
894       
895        - pkprinters --skipexisting now tells pkprinters to not
896          modify existing printers when --add is used.
897          pkprinters logs a warning message whenever --add is
898          used and a printer already exists.
899         
900        - LDAP schema now allows accented chars in pykotaFileName
901          and pykotaTitle attributes.
902       
903    - 1.19alpha4 :
904   
905        - a bad copy&paste prevented pkpgcounter to work at all, this
906          is now fixed.
907         
908        - improved PCL support in pkpgcounter, with the use of
909          HP PCL/PJL Reference Set
910          PCL5 Printer Language Technical Quick Reference Guide
911       
912        - pkpgcounter now uses mmap to speed things up : duration
913          is halved with the sample 87 pages PCL document I use for
914          testing.
915         
916    - 1.19alpha3 :
917   
918        - pkprinters now accepts the --list command line argument
919          to list informations about printers.
920         
921    - 1.19alpha2 :
922   
923        - pkpgcounter is now included as a smart external
924          accounter which can handle both PostScript and PCL.
925         
926    - 1.19alpha1 :
927   
928        - PYKOTALIMITBY environment variable is now exported too.
929       
930        - Inclusion of Michele Baldessari's work on autotools.
931       
932    - 1.18 :
933   
934        - Improved documentation
935       
936    - 1.18beta2 :
937     
938        - Fix for raw jobs with cupspykota
939       
940    - 1.18beta :
941   
942        - Small fix for new waitprinter.sh script
943       
944        - Better tracebacks on error conditions
945       
946        - Improved translations
947       
948        - Improved documentation
949       
950    - 1.18alpha15 :
951
952        - waitprinter.sh replaced by a new and possibly faster
953          and more powerful one.
954   
955        - Names can now begin with a digit.
956       
957        - Stability improvement for quotas set on printers groups.
958       
959    - 1.18alpha14 :
960   
961        - Catches more (all ?) problems with SMTP servers instead
962          of breaking.
963         
964        - Italian translation added.
965       
966    - 1.18alpha13 :
967   
968        - Pre and Post hooks are now available in the pykota
969          filter as well.
970         
971        - The pykota filter doesn't check last user's quota
972          anymore when delayed hardware accounting is used :
973          this will be done anyway the next time the last
974          user will print again. This saves some database
975          queries which are unneeded.
976       
977    - 1.18alpha12 :
978   
979        - Pre and Post hooks to external commands with many
980          many environment variables available are useable
981          from the cupspykota backend.
982          See sample configuration file for details and help.
983         
984    - 1.18alpha11 :
985   
986        - Hopefully final fix wrt groups (users and printers)
987       
988    - 1.18alpha10 :
989   
990        - Fixed nested printer groups accounting.
991       
992        - Fixed user groups + printer groups problem.
993       
994    - 1.18alpha9 :
995   
996        - Fix for LDAP problem when job price was 0.
997       
998        - Fix for empty user groups with LDAP.
999       
1000        - Preliminary version of the snmpprinterstatus command added.
1001       
1002    - 1.18alpha8 :
1003   
1004        - Don't retrieve data when not needed.
1005          This avoids many database queries.
1006       
1007    - 1.18alpha7 :
1008   
1009        - New experimental ldapcache directive to improve
1010          LDAP caching.
1011         
1012    - 1.18alpha6 :
1013       
1014        - New configuration directive added : maildomain
1015          to specify the domain to send mail to when user
1016          email address is not set in PyKota database.
1017         
1018        - More complete email message headers. 
1019         
1020    - 1.18alpha5 :
1021   
1022        - Debian packaging specific files, contributed by
1023          Peter Hawkins are now included in the project's tree.
1024         
1025        - Preliminary work on future low-level LDAP caching to speed
1026          up modifications (at least).
1027         
1028    - 1.18alpha4 :
1029   
1030        - Applied some of the modifications suggested by
1031          Peter Hawkins, for better Debian integration.
1032          Most notably cupspykota, pykota, and the shell
1033          scripts are now installed into /usr/share/pykota
1034          instead of into /usr/bin
1035          BEWARE : double check that your symbolic link
1036          to cupspykota is correct, and that your pykota.conf
1037          file use correct path for the shell scripts like
1038          waitprinter.sh and al.
1039         
1040        - pkhint command added, to help in configuring correct
1041          accounting method for PyKota.
1042         
1043    - 1.18alpha3 :
1044   
1045        - Fixed a rare bug in cupspykota backend which gave
1046          incorrect "CUPS backend died abnormally" messages.
1047       
1048    - 1.18alpha2 :
1049   
1050        - Added the pkprinters command line tool to manage printers
1051          exclusively.
1052       
1053    - 1.18alpha1 :
1054   
1055        - Preliminary work on Relationnal Database Independance.
1056       
1057        - Sample report made from OpenOffice.org added as PDF and SXC.
1058       
1059    - 1.17 :
1060   
1061        - Finalized release.
1062       
1063    - 1.17alpha2 :
1064   
1065        - Fix stupid software accounting bug in the CUPS backend.
1066       
1067    - 1.17alpha1 :
1068   
1069        - User/Group deletion code in edpykota rewritten.
1070       
1071    - 1.16 :
1072   
1073        - Preliminary documentation on how to use OpenOffice.org
1074          to create personnalized reports for PyKota + PostgreSQL.
1075         
1076        - Spanish installation guide for CUPS+PyKota+PostgreSQL
1077          added to the documentation. Doesn't yet document v1.16
1078          though.
1079       
1080        - Portuguese Portuguese translation replaces Brazilian
1081          Portuguese Translation. Brazilian portuguese
1082          translation is still available under the 'br' locale.
1083       
1084    - 1.16beta3 :
1085   
1086        - Swedish translation added.
1087       
1088        - Small fix in documentation.
1089       
1090    - 1.16beta2 :
1091   
1092        - Small fix for job cancelling code while job already
1093          printing in CUPS backend.
1094         
1095        - Big fix wrt printing policies for unknown users. 
1096       
1097    - 1.16beta1 :
1098   
1099        - Manpages upgraded.
1100       
1101    - 1.16alpha26 :
1102   
1103        - Job price is now computed like this :
1104       
1105          SUM((NbPages * PricePerPage) + PricePerJob)
1106         
1107          For current printer and all the printers groups it is
1108          a member of, if any.
1109         
1110          This may be difficult to grasp, but offers unprecedented
1111          flexibility.
1112         
1113    - 1.16alpha25 :
1114   
1115        - Email address can be set at user creation time,
1116          using the following syntax :
1117         
1118            $ edpykota --add username/email@yourdomain.com
1119       
1120    - 1.16alpha24 :
1121   
1122        - CGI script now can show the printing history.
1123       
1124        - Bug wrt number of copies should be fixed.
1125       
1126        - Major code refactoring => It is now possible to
1127          automatically add printers on first print.
1128       
1129    - 1.16alpha23 :
1130   
1131        - Fixed potential accuracy problem if a user printed on
1132          several printers at the very same time.
1133       
1134    - 1.16alpha22 :
1135   
1136        - edpykota now allows adding printers to printer groups
1137       
1138    - 1.16alpha21 :
1139   
1140        - Allows the dot in user and printer names.
1141       
1142        - Printer groups are now cached too.
1143       
1144    - 1.16alpha20 :
1145   
1146        - Fixed several small bugs with the help of PyChecker.
1147       
1148    - 1.16alpha19 :
1149     
1150        - Fixed a bug in PostgreSQL backend's code.
1151       
1152    - 1.16alpha18 :
1153   
1154        - Initial code for printer groups support. Printer groups have
1155          to be added with external tools like psql or gq for example.
1156          Printer groups seems to work fine with users. Untested with user
1157          groups for now.
1158
1159        - Several minor visual problems fixed in reports.
1160       
1161        - Fixed a bug in LDAP date handling.
1162       
1163        - Fix for LDAP problem with some combination of OpenLDAP + Python-LDAP
1164          + some particular settings.
1165         
1166        - mailandpopup.sh shell script added. See sample configuration file
1167          for details.
1168       
1169        - Several environment variables are now exported when executing
1170          external commands (accounters, requesters, mailers) :
1171           
1172            PYKOTAUSERNAME => user who is printing
1173            PYKOTAPRINTERNAME => printer on which the job is being sent
1174            PYKOTATITLE => Job's title
1175            PYKOTAFILENAME => Job's filename
1176            PYKOTACOPIES => number of copies asked
1177            PYKOTAOPTIONS => print command options (-o with CUPS)
1178         
1179    - 1.16alpha17 :
1180   
1181        - Added portugues translation.
1182       
1183        - Major code refactoring in accounters.
1184       
1185    - 1.16alpha16 :
1186   
1187        - Code refactoring, and addition of a real HTML reporter, to
1188          have nice looking and useful web based reports (in the future).
1189       
1190        - Added utolower configuration option to convert all usernames
1191          to lowercase during printing.
1192         
1193    - 1.15alpha15 :
1194   
1195        - Now includes the papwaitprinter.sh shell script to wait for
1196          AppleTalk enabled printers.
1197         
1198    - 1.16alpha14 :
1199   
1200        - Now printing on a printer not defined in the Quota Storage,
1201          results in the job being cancelled or stopped, depending
1202          on the printing system.
1203         
1204    - 1.16alpha13 :
1205   
1206        - Small bugfix wrt Python v2.1
1207       
1208        - If username is an empty string, user root is assumed.
1209       
1210        - 'postgresql' is not recognized anymore as a storage backend,
1211          you have to use 'pgstorage' instead. 'postgresql' used to
1212          be supported for compatibility with very old PyKota versions,
1213          this is not the case anymore.
1214         
1215    - 1.16alpha12 :
1216   
1217        - Job price added to job history, to keep accounting correct
1218          if a printer price per page or per job is modified and the
1219          history is not reset : the history would have given a false
1220          amount of money charged before the printer's prices were
1221          modified, this addition solves the problem.
1222         
1223    - 1.16alpha11 :
1224   
1225        - Some preliminary modifications to the database structure for
1226          PostgreSQL and OpenLDAP. A script to upgrade a PostgreSQL
1227          database is now provided. LDAP attributes now support
1228          eq, pres and sub indexes.
1229         
1230        - Job history now contains additional informations : 
1231          number of copies, filename, title and print options.
1232         
1233    - 1.16alpha10 :
1234       
1235        - Some modifications done to external policy handling.
1236          See sample configuration file for details.
1237   
1238        - Spanish translation added.
1239       
1240    - 1.16alpha9 :
1241   
1242        - mailto can be set to external(...) to warn users above
1243          quota with any command of your choice (e.g. linpopup).
1244          Several parameters are available, see sample configuration
1245          file for details.
1246         
1247    - 1.16alpha8 :
1248   
1249        - Now cupspykota transmits SIGTERMS to the original 
1250          backend when the user deletes a job being processed.
1251         
1252        - The documentation is now licensed under the terms of the
1253          GNU GPL too.
1254         
1255    - 1.16alpha7 :
1256   
1257        - The CUPS backend is now fully functionnal (it seems).
1258       
1259        - From now on, the use of the pykota filter with CUPS
1260          is deprecated. The pykota filter still has to be
1261          used with LPRng though.
1262       
1263    - 1.16alpha6 :
1264   
1265        - Bug fixed : when edpykota was used to add a printer
1266          with no user or group name, a bad user/group name "*" was
1267          added to the database.
1268         
1269    - 1.16alpha5 :
1270   
1271        - New CUPS backend supports device enumeration !
1272          This means that NO manual CUPS configuration has to
1273          be done. All can now be done from CUPS web interface.
1274       
1275    - 1.16alpha4 :
1276   
1277        - New CUPS backend added.
1278       
1279    - 1.16alpha3 :
1280       
1281        - Minimal FAQ document added.
1282       
1283    - 1.16alpha2 :
1284   
1285        - CGI script now partially supports browser's language preference
1286       
1287    - 1.16alpha1 :
1288   
1289        - Ensures that the LDAP connection is really closed at end.
1290       
1291        - More complete error messages in case of LDAP operation failure.
1292       
1293    - 1.15 :
1294     
1295        - Documentation improved.
1296       
1297    - 1.15beta :
1298   
1299        - Command line tools now accept multiple printer
1300          names or wildcards, separated with commas.
1301         
1302    - 1.15alpha9 :
1303   
1304        - External policy can be used to auto-add unknown users
1305          and any other interesting things you may want to do.
1306          WARNING : You can't auto-add printers for now.
1307          They have to be created manually before.
1308          Look at sample configuration file for examples.
1309         
1310    - 1.15alpha8 :
1311   
1312        - Job history can be disabled if needed.
1313          This feature may be useful for people who use the LDAP
1314          backend and don't want their LDAP tree to grow out of
1315          control.
1316       
1317    - 1.15alpha7 :
1318   
1319        - More work done on caching wrt groups.
1320       
1321    - 1.15alpha6 :
1322   
1323        - Performance bottleneck with LDAP solved.
1324       
1325    - 1.15alpha5 :
1326   
1327        - Caching mechanism for all database queries.
1328
1329    - 1.15alpha4 :
1330   
1331        - Problem with Python 2.3 fixed. Needs some definitive
1332          modification.
1333         
1334    - 1.15alpha3 :
1335   
1336        - CGI script now tries to restrict view when the
1337          REMOTE_USER environment variable is set. This allows
1338          people to protect its use with .htaccess files.
1339          When unprotected, or if REMOTE_USER is 'root', then
1340          unrestricted access is granted.
1341          NB : REMOTE_USER is automatically set by the web server
1342          (e.g. Apache) when a page with restricted access is viewed.
1343         
1344    - 1.15alpha2 :
1345   
1346        - Better detection of LPRng.
1347       
1348        - Outputs a warning if printing system is unknown.
1349       
1350    - 1.15alpha1 :
1351   
1352        - Bug fix in SQL code.
1353       
1354    - 1.14 :
1355   
1356        - The PostgreSQL database connection is now always closed before
1357          exit. The LDAP database connection too, but it didn't suffer
1358          from the problem anyway, AFAICT.
1359       
1360    - 1.14beta2 :
1361   
1362        - An LDAP-specific configuration field was introduced, usermail.
1363          Use it to specify which LDAP attribute contains a valid email
1364          address for the user. See sample configuration file for
1365          details.
1366       
1367    - 1.14beta :
1368   
1369        - Two new LDAP-specific configuration fields were introduced,
1370          newuser and newgroup. Use them to specify if you want to add
1371          quota information to existing entries or elsewhere.
1372          See sample configuration file for details.
1373         
1374    - 1.14alpha9 :
1375   
1376        - Documentation improved.
1377       
1378        - pykotme now also prints the user's account balance value
1379          if the user is registered in the Quota Storage and his
1380          limiting factor is "balance".
1381         
1382    - 1.14alpha8 :
1383   
1384        - bin/waitprinter.sh is now included to wait for
1385          SNMP enabled printers to be idle again before
1386          asking for their internal page counter.
1387          See sample configuration file for details.
1388         
1389    - 1.14alpha7 :
1390   
1391        - edpykota now doesn't check if the user/group is above
1392          quota. The check is only done at print time. This
1393          prevents the sending of email messages when creating
1394          user quotas if quota is already reached at creation
1395          time.
1396         
1397    - 1.14alpha6 :
1398   
1399        - Configuration file split and moved to /etc/pykota/pykota.conf
1400          and /etc/pykota/pykotadmin.conf to prevent simple users to
1401          have Read/Write access to the Quota Database.
1402          Don't forget to :
1403         
1404                $ chmod 640 /etc/pykota/pykotadmin.conf
1405               
1406        - storageuser and storageuserpw configuration fields reintroduced
1407          for the same reason.
1408         
1409        - Code cleaning for future implementation of email addresses
1410          support in the PostgreSQL and LDAP backends.
1411         
1412    - 1.14alpha5 :
1413       
1414        - Big bug fixed when changing the prices for a printer
1415       
1416    - 1.14alpha4 :
1417   
1418        - When adding an user, the user itself and its account balance
1419          are now added in the same LDAP entry. Before they were added
1420          as two different LDAP entries.
1421         
1422    - 1.14alpha3 :
1423   
1424        - Email field added to PostgreSQL database. An upgrade script
1425          is included in initscripts/postgresql.
1426       
1427    - 1.14alpha2 :
1428   
1429        - Typo fixed when using the --prototype option to edpykota
1430       
1431    - 1.14alpha1 :
1432   
1433        - Poor man's treshold included : users with a low account
1434          balance (below 1.0 by default, configurable) are sent
1435          a warning message.
1436         
1437        - All warning messages to users are now configurable. 
1438          NB : Warning messages to the administrator are not.
1439       
1440    - 1.13 :
1441   
1442        - Some small fixes wrt group handling.
1443       
1444        - The whole module code was passed through PyChecker and
1445          several small code inconsistencies were fixed,
1446          as well as a bug in the groups code.
1447         
1448    - 1.13alpha1 :
1449   
1450        - Bug fix wrt LDAP.
1451       
1452    - 1.12 :
1453   
1454        - More complete test added in edpykota.
1455       
1456    - 1.12alpha2 :
1457   
1458        - The previous bug fix was incomplete. This is corrected.
1459       
1460    - 1.12alpha1 :
1461   
1462        - Small bug fix.
1463       
1464    - 1.11 :
1465   
1466        - Now includes the pykotme command line tool, to produce
1467          printing quotes for users.
1468         
1469    - 1.10 :
1470   
1471        - Bug fixed wrt quota reports when print limiting is by
1472          account balance.
1473         
1474    - 1.09 :
1475   
1476        - Translations finalized.
1477       
1478        - Manpages updated.
1479       
1480        - Installation documentation improved wrt LDAP support.
1481       
1482    - 1.09beta2 :
1483   
1484        - The CGI script for quota reports works again, and
1485          is much more powerful.
1486       
1487    - 1.09beta :
1488   
1489        - edpykota finalized
1490       
1491    - 1.09alpha2 :
1492   
1493        - LDAP schema modified a bit. Please upgrade.
1494       
1495        - LDAP backend works !
1496       
1497        - repykota and warnpykota allow the root user to pass
1498          users or groups names on the command line. Users
1499          and groups names may contain wildcards.
1500         
1501        - repykota and warnpykota only reports or warns the
1502          current user when launched by non-root users.
1503         
1504        - Minor bug fixes. 
1505   
1506    - 1.09alpha1 :
1507   
1508        - More work on LDAP storage backend. Many options
1509          were added to /etc/pykota.conf to give some
1510          hints to the LDAP storage backend.
1511         
1512        - Severe database access optimizations were done by
1513          rewriting most of the Quota Storage backends drivers.
1514     
1515    - 1.08 :
1516   
1517        - Major bug fix wrt LPRng support for remote jobs.
1518       
1519        - Major bug fix wrt increase/decrease account balances.
1520       
1521    - 1.08alpha8 :
1522   
1523        - Code refactoring.
1524       
1525        - A single user/password pair is used to connect
1526          to the database backend. The storageuser configuration
1527          field, and its associated passwords storageuserpw, are
1528          not used anymore.
1529         
1530        - You can now set PyKota in debug mode, see sample configuration 
1531          file for details.
1532          WARNING : only Quota Storage backend queries are logged in
1533          debug mode, for now.
1534       
1535    - 1.08alpha7 :
1536   
1537        - Very latest LDAP schema.
1538       
1539        - Code enhancement wrt easy pluggability of PyKota attributes
1540          and object classes into an existing LDAP directory.
1541       
1542    - 1.08alpha6 :
1543   
1544        - Minor bug corrections
1545       
1546        - More work on LDAP : new schema
1547       
1548    - 1.08alpha5 :
1549   
1550        - More good work on LDAP storage.
1551          repykota now works reasonably well with the sample LDAP directory.
1552       
1553    - 1.08alpha4 :
1554   
1555        - LDAP schema included.
1556          THIS IS JUST FOR PEOPLE TO DISCUSS ABOUT THIS.
1557          LDAP SUPPORT DOESN'T WORK YET, AND THE SCHEMA
1558          MAY CHANGE IN THE FUTURE. PLEASE TELL US
1559          WHAT YOU THINK ABOUT THIS SCHEMA ON THE
1560          MAILING LIST.
1561         
1562    - 1.08alpha3 :
1563   
1564        - External accounting methods were partly rewritten :
1565         
1566          - No more "broken pipe" should happen.
1567         
1568          - They now take care of the number of copies
1569            This may be unneeded though, if the postscript
1570            file already does this, because this would
1571            overcharge users (number of copies counted
1572            two times). NEEDS MORE TESTING.
1573           
1574          - The sample configuration file now contains 
1575            an external accounting method example which should
1576            work with all DSC compliant Postscript files.
1577           
1578        - Some small bugs were fixed.   
1579       
1580    - 1.08alpha2 :
1581   
1582        - Now works with net-snmp v5.0 and above.
1583          It already worked, but the sample configuration
1584          file didn't contain appropriate values...
1585       
1586    - 1.07 : Release of the Shame !
1587   
1588        - The external accounting methods driver was left out of
1589          the CVS tree. Nobody could use it since it wasn't included !
1590         
1591    - 1.06 :
1592   
1593        - Severe bug fixed : if you had a printer in
1594          power saving state which couldn't answer immediately,
1595          a bug was triggered.
1596          It was caused by a bad copy/paste which
1597          forgot to import a Python module at run time.
1598         
1599    - 1.05 :
1600   
1601        - External accounters are finally available !
1602          This means that you can plug any page accounting
1603          method you like by setting the appropriate
1604          'accounter' field in /etc/pykota.conf
1605          See the sample conf/pykota.conf.sample to
1606          learn how to do.
1607         
1608          NB : Both 'external' and 'stupid' accounting methods
1609               account a job size just before *this* job is
1610               sent to the printer.
1611               The original 'querying' method accounts a job
1612               size just before *the next* job is sent to
1613               the printer.
1614       
1615    - 1.05alpha3 :
1616   
1617        - A 'stupid' and unreliable accounting method was
1618          implemented to serve as an example on how to
1619          do this sort of things. This method only counts
1620          the 'showpage' statements in the input data.
1621          See sample configuration file for details.
1622          Pluggable accounting methods work, but I advise
1623          you TO NOT USE THIS ONE WHICH IS JUST AN EXAMPLE.
1624          It is not reliable enough to be used.
1625          Use the 'querying' accounting method instead.
1626         
1627    - 1.05alpha2 :
1628   
1629        - Pluggable accounting methods.
1630       
1631        - Better error handling.
1632       
1633    - 1.05alpha1 :
1634   
1635        - SECURITY file added to help improve PyKota's security.
1636       
1637        - Extracting the printer's internal page counter is now
1638          tried several times, waiting several seconds between
1639          two tries. This lets the time to warm up for some printers
1640          which don't answer when they are sleeping (my Apple
1641          LaserWriter 16/600 PS is in this case, maybe others too)
1642         
1643        - Small display bug fixed in repykota
1644         
1645    - 1.04 :
1646   
1647        - Default print policy for users/groups unknown from
1648          the print quota system is now DENY instead of ALLOW,
1649          since ALLOW can generate inaccurate results
1650          (incorrect job sizes charged to the wrong persons)
1651         
1652        - LPRng support works !
1653       
1654        - A bug was introduced some time ago wrt printers' default
1655          policy for unknown users. It is now corrected.
1656       
1657        - repykota now displays prices per job and per page for each
1658          printer, if they are defined.
1659         
1660        - Minor display bug fixed in repykota.
1661       
1662        - Problem when running repykota with an empty database was fixed.
1663       
1664    - 1.03 :
1665   
1666        - Upgrade script included for earlier versions.
1667          Please look inside the initscripts subdirectory.
1668          THE DATABASE SCHEMA HAS CHANGED, PLEASE UPGRADE.
1669         
1670        - repykota now reports account balances too.
1671       
1672        - PyKota now has a nice logo, see the logos
1673          subdirectory.
1674       
1675        - Manual pages were finally updated.
1676       
1677        - Group quotas seem to work now !
1678       
1679        - The new database schema allows to keep an history of all
1680          jobs as well as charge users per page and/or per job,
1681          and track users' account balance.
1682         
1683        - edpykota now accepts much more command line options to 
1684          use the new functionnalities. See edpykota --help for
1685          details.
1686         
1687        - The installation script now allows to install the sample
1688          configuration file during first installation.
1689         
1690        - More group quota code works, but still not finished. 
1691       
1692        - The CGI script displays a link to PyKota's website.
1693       
1694        - The job history is now kept, this will allow per-period
1695          reports in the future.
1696         
1697        - After having modified the quota for an user with edpykota,
1698          a quota check is done to eventually warn the user/admin about
1699          a quota which is too low to print.
1700         
1701        - A workaround is provided for HP Printers : their internal
1702          page counter is only saved to NVRAM in a 10 increment, so
1703          if you switch them off and then on, the reported page counter
1704          may be lower than the real number of pages printed.
1705          See http://web.mit.edu/source/third/lprng/doc/LPRng-HOWTO-15.html
1706          We unconditionnally set the last job's page count to
1707          abs(int((10 - abs(lastcounter(snmp) - lastcounter(storage)) / 2))
1708          in this case.
1709          For a more accurate accounting, never switch your HP printers
1710          off.
1711         
1712        - A fix is provided for printers which only have a volatile 
1713          page counter (reset to 0 every time you switch the printer on)
1714          This should allow PyKota to work reasonably fine with HP Laserjet
1715          4L/5L/6L, not perfect, but better than nothing.
1716          See http://web.mit.edu/source/third/lprng/doc/LPRng-HOWTO-15.html
1717          For a more accurate accounting, never switch your HP printers
1718          off. This is untested, please report any problem.
1719         
1720        - A bug was fixed when edpykota --add was used with users who already
1721          had a quota on the specified printer.
1722         
1723        - A small display bug in repykota was introduced in preliminary
1724          1.03 versions, and fixed later on.
1725         
1726        - Some minor bugs which happened in rare situations were fixed.
1727       
1728        - Support for AppleTalk printers was added, see sample configuration
1729          file for details.
1730         
1731        - Users and group printing can now be controlled (limited) either by 
1732          print quota or by account balance.
1733       
1734    - 1.02 :
1735   
1736        - The installation script now checks for software availability
1737          and in case a software is missing asks the user if he
1738          wants to continue with the installation or abort it.
1739         
1740        - The configuration file pykota.conf is now expected to be
1741          found in /etc instead of in /etc/cups
1742          The installation script prompts the user to see if he
1743          wants to move an old configuration file to the new location
1744          if needed.
1745         
1746        - Improved documentation.
1747       
1748        - You can now set the tcp/ip port on which the Quota Storage
1749          Server is listening, see sample configuration file for details.
1750       
1751        - Better general error handling.
1752       
1753        - Upgrade script for pre 1.01 PostgreSQL database schema is now
1754          included as well.
1755       
1756    - 1.01 :
1757   
1758        - The configuration file now accepts an option   
1759          to choose the recipient(s) of the email messages :
1760         
1761            - DevNull means no one will receive them.
1762            - User means only the user will receive them.
1763            - Admin means only the admin will receive them.
1764            - Both means the User and the Admin will receive them.
1765           
1766        - The configuration file now uses hard-coded default values
1767          when an option is not set. See sample configuration file
1768          for details.
1769         
1770        - Manual pages are included since 1.00, but I forgot to   
1771          add this information to this file.
1772         
1773        - Redistribution terms for the official package have 
1774          softened and are now fully GPL compatible :
1775          unrestricted modification is now allowed even for
1776          the version number.
1777         
1778    - 1.00 :
1779   
1780        - edpykota now accepts a --noquota option. This
1781          disable quota checking while still doing page
1782          accounting. This is really useful for people
1783          who don't want to limit their users but want
1784          to know how much pages they print.
1785         
1786        - Some untested scripts were added to retrieve
1787          the life time page counter of non-SNMP printers.
1788         
1789        - Every directory now has a specific README file. 
1790       
1791    - 0.99 :
1792   
1793        - Under some circumstances while the user wasn't allowed
1794          to print, he didn't receive any email message. It is
1795          now fixed.
1796         
1797        - When an user wasn't allowed to print, the quota for
1798          the previous user wasn't updated. This is now fixed.
1799         
1800    - 0.98 :
1801   
1802        - Correctly handle the case where the printer is switched off.
1803       
1804        - Small bug wrt syslog fixed.
1805       
1806    - 0.97 :
1807   
1808        - edpykota accepts wildcards on its command line for users/groups too
1809          if the --add option is not set, e.g. :
1810         
1811              $ edpykota --printer lp --softlimit 50 --hardlimit 100 "jer*"
1812             
1813        - If no user name is passed at all, then a default wildcard of "*"
1814          which means apply the command on ALL users for this printer is used.
1815         
1816        - Small bug fixes.
1817       
1818    - 0.96 :
1819
1820        - Options requester, policy, admin, adminmail and gracedelay can now
1821          be set either globally or per printer. The printer option has
1822          priority if both are defined.
1823
1824        - More powerful configuration parser.
1825       
1826        - If all options are defined globally, there's no need to
1827          define a section for each printer in the configuration
1828          file anymore. Just define a [global] section and it's ok.
1829
1830    - 0.95 :
1831
1832        - External requesters for printers finally added.
1833
1834        - Full internationalization (english and french are supported)
1835 
1836        - More complete quota usage report
1837
1838        - CGI script to access to the quota usage report
1839
1840        - Several bugs fixed.
1841
1842
1843    - 0.9 :
1844
1845        - First public version
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