root / pykota / trunk / NEWS @ 1888

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German translation finalized

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