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