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Revision 2891, 78.4 kB (checked in by jerome, 18 years ago)
Now uses pkipplib if present.
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1	# $Id$
2
3	PyKota - Print Quotas for CUPS and LPRng
4
5	(c) 2003, 2004, 2005, 2006 Jerome Alet <alet@librelogiciel.com>
6	This program is free software; you can redistribute it and/or modify
7	it under the terms of the GNU General Public License as published by
8	the Free Software Foundation; either version 2 of the License, or
9	(at your option) any later version.
10
11	This program is distributed in the hope that it will be useful,
12	but WITHOUT ANY WARRANTY; without even the implied warranty of
13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	GNU General Public License for more details.
15
16	You should have received a copy of the GNU General Public License
17	along with this program; if not, write to the Free Software
18	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19
20	============================================================
21
22	PyKota NEWS :
23
24	- 1.25alpha4 (2006-05-22) :
25
26	- Now uses pkipplib if present to directly retrieve the job
27	information from the CUPS server over IPP.
28
29	- 1.25alpha3 (2006-05-11) :
30
31	- Added a lock to ensure that a single cupspykota backend
32	is processing datas for a particular print queue at any
33	given time.
34
35	- Now exports more environment variables for the subprocesses.
36
37	- 1.25alpha2 (2006-05-03) :
38
39	- Fixed some problems with DateTime objects.
40
41	- Added support for PySNMP v4.x in addition to 3.4.x.
42
43	- 1.25alpha1 (2006-04-14) :
44
45	- Make the MySQL schema work with old releases of MySQL.
46
47	- Fixed several character encoding problems.
48
49	- Ensures that the denied banners counter is properly initialized
50	with relationnal databases.
51
52	- 1.24 (2006-04-08) :
53
54	- Improved documentation and packaging stuff.
55
56	- 1.24beta (2006-03-26) :
57
58	- Finalized the pknotify command.
59
60	- Updated the messages catalogs for translations.
61
62	- 1.24alpha18 (2006-03-15) :
63
64	- Now uses MIME encapsulation for email messages to avoid
65	some problems with 8 bits messages being rejected.
66
67	- 1.24alpha17 (2006-03-06) :
68
69	- Fixed a major problem in the PostgreSQL backend.
70
71	- pknotify can now check a remote user's name and password.
72
73	- 1.24alpha16 (2006-03-02) :
74
75	- Introduced the pknotify command line tool to dialog
76	with remote PyKotIcon applications.
77
78	- 1.24alpha15 (2006-03-02) :
79
80	- optimized pkbcodes, pkprinters and pkusers using edpykota as
81	the model.
82
83	- 'edpykota --list' and 'pkusers --list' are now authorized
84	to mere mortal users, but the list is restricted to informations
85	about the current user.
86
87	- Extended the functionnality of the 'onbackenderror' directive to
88	allow for configurable retries.
89
90	- 1.24alpha14 :
91
92	- Finished optimizations in edpykota and fixed some minor
93	problems with LDAP.
94
95	- 1.24alpha13 :
96
97	- Introduced the pkusers command line tool to manage users and
98	users groups. This command doesn't deal with print quota entries,
99	which continue to be managed through the edpykota command line
100	tool.
101
102	- Major rewrite and incompatible changes to command line options
103	in edpykota. This command now only deals with print quota
104	entries. Printers, users (or users groups) now have to be created
105	first using pkprinters or pkusers.
106
107	- 1.24alpha12 :
108
109	- Introduced the 'duplicatesdelay' directive to specify after
110	which duration two duplicate jobs are not considered duplicate
111	jobs anymore.
112
113	- Introduced the 'balancezero' directive to specify any value
114	as the balance limit instead of 0.0. This can allow admins to
115	give a few free credits to users, for example.
116
117	- 1.24alpha11 :
118
119	- Huge speed improvements when modifying billing codes and
120	printers.
121
122	- Both pkbcodes and pkprinters now display the percent done
123	for all actions.
124
125	- The pkinvoice invoice generator command line utility is now
126	included.
127
128	- 1.24alpha10 :
129
130	- Huge speed improvements when deleting users, printers, and
131	billing codes.
132
133	- 1.24alpha9 :
134
135	- Preliminary support for MySQL, thanks to Matt Hyclak.
136
137	- 1.24alpha8 :
138
139	- The 'preaccounter' configuration directive was introduced to control
140	which parser to use for precomputation of the job's size. When unset,
141	the internal parser is used just like it was previously. See
142	conf/pykota.conf.sample for more details.
143
144	- Now subprocesses launched through the overwrite_jobticket directive
145	can also output 'CANCEL', to represent the user's own choice to
146	cancel the print job.
147
148	- 1.24alpha7 :
149
150	- pkbanner now handles new print limiting modes correctly.
151
152	- The cupspykota backend wrapper now accepts to be interrupted
153	with a kill -INT. This causes an immediate and clean abort
154	of the current print job.
155
156	- Matt Hyclak contributed the possibility to store the printing
157	history in a MySQL database. See the contributed/ directory
158	for details.
159
160	- Added 2006 to the copyright's years.
161
162	- 1.24alpha6 :
163
164	- Fixed internal SNMP and PJL handling code for very fast
165	printers : PyKota didn't see them going from 'idle'
166	to 'printing' to 'idle' again.
167
168	- Now waitprinter.sh accepts SNMP version number and
169	community name as arguments, thanks to Brandon
170	Holbrook.
171
172	- Now command line errors and Ctrl+C repectively cause
173	PyKota commands to exit with status -2 and -3.
174
175	- 1.24alpha5 :
176
177	- All command line tools now accept -A \| --arguments filename.args
178	as a way to bypass the shell's maximal command line size :
179	just put each argument on a line by itself in a file, and
180	pass the file's name as the -A \| --arguments command line
181	option's argument. For now this won't be documented in
182	commands' helps.
183
184	- dumpykota can now dump the complete database in XML
185	format.
186
187	- 1.24alpha4 :
188
189	- Added support for the SQLite3 backend.
190	See pykota/initscripts/sqlite/README.sqlite
191
192	- 1.24alpha3 :
193
194	- Fix for mailandpopup.sh : smbstatus can't be run setuid,
195	so we regain priviledges before running an external
196	mailto directive.
197
198	- 1.24alpha2 :
199
200	- Introduce the "onbackenderror" directive in pykota.conf, to
201	control if the user must be charged or not whenever a real
202	CUPS backend fails. The default value is 'nocharge'.
203	Set it to 'charge' if you think your users can cause a CUPS
204	backend to fail.
205
206	- Now mark original backends related problems as such in the
207	printing history. Modified printquota.cgi and pykota.css
208	to make them be more visible.
209
210	- 1.24alpha1 :
211
212	- Fixed a problem which caused backend errors to be ignored.
213
214	- The sample LDIF file now contains the two necessary user
215	entries to have an LDAP PyKota Admin and an LDAP PyKota
216	ReadOnly user. The sample configuration files were updated
217	to contain the default passwords used in the LDIF file.
218
219	- dumpykota is now more strict when checking arguments.
220
221	- 1.23 :
222
223	- Many minor bug fixes and code cleaning.
224
225	- Improved documentation.
226
227	- Added Polish translation.
228
229	- Improved French and Swedish translations.
230
231	- 1.23beta :
232
233	- Now the mailto directive is honored in all cases where the job is
234	denied or a warning has to be issued, and the correct reason
235	can be sent back to the user.
236
237	- The PYKOTAREASON environment variable, if defined, contains the
238	textual reason why the job was denied or a warning has to be
239	issued.
240
241	- 1.23alpha31 :
242
243	- Added support for --maxjobsize, --passthrough and --nopassthrough
244	in pkprinters. These modes are now also honored when printing.
245
246	- Allows the admin to restrict the number of print queues which will
247	be treated by pkturnkey by passing queues' names as additionnal
248	arguments on pkturnkey's command line.
249
250	- pkturnkey now supersedes pkhint with the help of the -c \| --doconf
251	command line option.
252
253	- 1.23alpha30 :
254
255	- Database changes : you MUST use upgrade-to-1.23.sql again if you
256	use PostgreSQL, or copy the new schema and restart your LDAP
257	server if you use LDAP.
258
259	- The -C \| --comment command line switch was added to edpykota to
260	attach textual information to modifications done to a user's
261	account balance.
262
263	- The -l \| --limitby command line switch to edpykota was modified
264	to allow 'noquota', 'nochange', and 'noprint'. See the edpykota
265	command's help or manual page for details.
266
267	- The -i \| --ingroups command line switch to repykota allows
268	PyKota Administrators to only lists members of the specified
269	group or groups (separated with commas).
270
271	- The -I \| --increase command line switch to edpykota allows
272	to increase or decrease page limits.
273
274	- Added the precomputed job's size and price to the history
275	for controlling purpose.
276
277	- 1.23alpha29 :
278
279	- Fixed a small problem with billing codes.
280
281	- Exports some environment variables earlier, to render the script
282	launched by the overwrite_jobticket directive more powerful.
283
284	- Now autopykota also creates print quota entries for the user on the
285	printers groups the current printer is a member of.
286
287	- 1.23alpha28 :
288
289	- Added users groups management to pkturnkey.
290
291	- Fixed umask in setup script.
292
293	- 1.23alpha27 :
294
295	- Replaced the --dryrun command line option by the --force
296	command line option in pkturnkey, with exactly the opposite
297	effect (for security reasons).
298
299	- 1.23alpha26 :
300
301	- Allows parametrized pjl and snmp hardware accounting methods,
302	to be able to respectively set the TCP port and the SNMP
303	community.
304
305	- 1.23alpha25 :
306
307	- Added a --dryrun command line switch to pkturnkey.
308
309	- Improved pkturnkey's general usability.
310
311	- Added a manpage for pkturnkey.
312
313	- 1.23alpha24 :
314
315	- Allows different databases to be used depending on the
316	user's rights. This allows PyKota admins to directly
317	use a master LDAP server for read+write, while letting
318	normal users using the replicas for readonly access.
319	NB : using different storage backends is also possible,
320	but you're on your own there.
321
322	- 1.23alpha23 :
323
324	- Fixed a problem with banner accounting.
325
326	- Introduction of the new 'pkturnkey' command line tool.
327
328	- 1.23alpha22 :
329
330	- The cupspykota backend was almost entirely rewritten from scratch.
331	It's now much more readable, maintainable, etc...
332
333	- LPRng support is OFFICIALLY dropped for now. LPRng users are
334	advised to download earlier releases or purchase the
335	PyKota v1.22HotFix1 Official release. LPRng support
336	MIGHT be re-added later.
337
338	- 1.23alpha21 :
339
340	- Fix for IPP requests which contain more than a single
341	job-originating-host-name attribute.
342
343	- 1.23alpha20 :
344
345	- Added the overwrite_jobticket directive. See pykota.conf.sample
346	for how to use it.
347
348	- 1.23alpha19 :
349
350	- Fixed an LDAP filtering problem when managing billing codes.
351
352	- Added the unknown_billingcode directive. See pykota.conf.sample
353	for how to use it.
354
355	- 1.23alpha18 :
356
357	- Added the dump_bfd.php contribution.
358
359	- Several fixes in the internal PJL accounter.
360
361	- Now autopykota doesn't create unneeded print quota entries anymore.
362
363	- Increased the timeout in the PJL hardware accounting code to
364	accomodate some printers (HP5000 at least).
365
366	- 1.23alpha17 :
367
368	- pkpgcounter is now distributed separately only. This
369	means that people must now download and install pkpgcounter
370	v1.56 or higher prior to being able to run PyKota.
371
372	- Removed all the autoconf/automake stuff which was outdated
373	and confusing.
374
375	- 1.23alpha16 :
376
377	- Extracted the GPL blurb from all commands' help, and use
378	a static version only once. This saves space big time, and
379	eases future translations.
380
381	- 1.23alpha15 :
382
383	- pkbcodes now works with the PostgreSQL backend.
384	NB : PLEASE RUN upgrade-to-1.23.sql AGAIN !!!
385
386	- 1.23alpha14 :
387
388	- Logs a warning when the user/group doesn't exist when running
389	edpykota.
390
391	- 1.23alpha13 :
392
393	- Minor fix for user groups because of latest database changes.
394
395	- 1.23alpha12 :
396
397	- Big database changes, use the migration scripts !
398
399	- 1.23alpha11 :
400
401	- Small fix to the PCL3/4/5 parser for some drivers.
402
403	- 1.23alpha10 :
404
405	- Fixed a bad exception name in cupspykota when parsing IPP messages.
406
407	- Improved the IPP messages module : it can now generate IPP messages
408	in addition to parsing them.
409
410	- 1.23alpha9 :
411
412	- The denyduplicates directive now accepts a command line as an
413	argument beside yes/no. The command is launched and must
414	print either ALLOW or DENY to its standard output. Then the
415	job gets allowed or denied by PyKota.
416	This will allow user interaction in the near future.
417
418	- Introduced the new 'striptitle' directive to remove ugly prefixes
419	from print job's titles whenever a new print job is submitted.
420
421	- Fixed internal SNMP accounter for printers which only have a life time
422	page counter, and not a volatile page counter.
423
424	- 1.23alpha8 :
425
426	- The data dumper can now summarize payments and history with the
427	help of the --sum command line option (or checkbox in the CGI).
428
429	- The message used when the job's filename, title and options are
430	hidden because of the privacy directive is now translated at
431	retrieval time, instead of at saving time.
432
433	- Minor fix in the LDAP backend code.
434
435	- 1.23alpha7 :
436
437	- Improvements to the internal PJL and SNMP accounter : now should
438	support more printers and waste less time.
439
440	- 1.23alpha6 :
441
442	- The data dumper's start= and end= date filtering options now
443	accept a positive or negative offset to be added to the special
444	keywords 'yesterday', 'today', 'now', 'tomorrow'.
445	e.g. : dumpykota --data history start=yesterday-5 end=today
446
447	- 1.23alpha5 :
448
449	- The data dumper's start= and end= date filtering options now accept
450	the special keywords 'yesterday', 'today', 'now' and 'tomorrow'.
451
452	- 1.23alpha4 :
453
454	- The data dumper now accept start= and end= to specify the starting
455	and ending dates to dump the history.
456
457	- 1.23alpha3 :
458
459	- The destination link for the logo used in CGI scripts is
460	configurable.
461
462	- Data dumper improved : it's faster and now datas are correctly
463	escaped.
464
465	- The URL to the logo displayed in the CGI scripts is configurable.
466
467	- 1.23alpha2 :
468
469	- Fixed edpykota --prototype with balance.
470
471	- Major rewrite of the IPP message parsing code to definitely
472	fix the job-originating-hostname IPP attribute problem.
473
474	- 1.23alpha1 :
475
476	- Sets current username to the user CUPS runs as instead of "root"
477	when printing test pages from CUPS' web interface (because
478	the username is empty in this case).
479
480	- Fix for strange values in job-originating-hostname
481
482	- 1.22 :
483
484	- Big improvements to the documentation.
485
486	- 1.22beta :
487
488	- Improved stability in pykotme and pykotme.cgi.
489
490	- Fixed a permission problem in pykotme and pykosd.
491
492	- Fixed an inconsitency between SQL and LDAP backends'
493	behavior in edpykota.
494
495	- Improved stability and allowed tracebacks in CGI scripts.
496
497	- Improved pykotme.cgi
498
499	- 1.22alpha8 :
500
501	- Fixed history retrieval for nonexisting printers or users.
502
503	- Clicking on the billing code in printquota.cgi's job history
504	now shows all jobs matching this billing code.
505
506	- Fixed the dump in CUPS' page_log format which didn't
507	dump the oldest entry.
508
509	- The data dumper now accepts billingcode= and hostname= as
510	filters when dumping the job history.
511
512	- The job billing code if present is now saved into the database,
513	and exported to subprocesses as the PYKOTAJOBBILLING environment
514	variable.
515
516	- Ctrl+C now makes PyKota commands exit without a traceback.
517
518	- Fixed an i18n problem with Python 2.1
519
520	- 1.22alpha7 :
521
522	- Fixed some problems with the retrieval of the history from LDAP.
523
524	- 1.22alpha6 :
525
526	- Early errors now produce meaningful error messages (finally !)
527
528	- 1.22alpha5 :
529
530	- SNMP and PJL improvements with regard to PowerSave / StandBy.
531
532	- 1.22alpha4 :
533
534	- Fixed charset problem under MacOSX.
535
536	- Allows pkbanner to accept more info to display on its
537	command line.
538
539	- 1.22alpha3 :
540
541	- Fixes some case related problems with some LDAP backends.
542
543	- Fixes some problem for printers which directly go from
544	"idle" to "warmup" and never to "printing" before
545	returning to "idle".
546
547	- Some permissions settings may have prevented cupspykota
548	from parsing cupsd.conf, this is now fixed.
549
550	- 1.22alpha2 :
551
552	- Introduction of the web enabled print quote generator.
553
554	- Fixed a potential race condition when several backend
555	wrappers were present in CUPS' backend directory.
556
557	- Fixed dumpykota's output in CUPS' page_log format to better
558	match CUPS format.
559
560	- 1.22alpha1 :
561
562	- Import into Subversion.
563
564	- 1.21 :
565
566	- Improved documentation.
567
568	- Improved dependencies checker.
569
570	- Updated some translation files.
571
572	- 1.21beta2 :
573
574	- Fixed an LPRng specific bug.
575
576	- Several improvements on stability issues with manually modified
577	LDAP trees.
578
579	- Documentation improvements.
580
581	- 1.21beta :
582
583	- Prepared translation files for next release.
584
585	- 1.21alpha27 :
586
587	- Allows software() (no arguments) to the software accounting
588	directive. This saves a lot of CPU since the job is not
589	parsed again : the precomputed size is used directly in this
590	case.
591
592	- epykota's --prototype option now works fine with accounts
593	limited by balance.
594
595	- 1.21alpha26 :
596
597	- Fixed the handling of the 'maxdenybanners' directive.
598
599	- Introduced the 'denyduplicates' directive.
600
601	- Fixed some database related glitches.
602
603	- 1.21alpha25 :
604
605	- The job's size is now always precomputed, even when
606	'enforcement' is not set to 'strict'.
607
608	- Introduction of the new 'trustjobsize' configuration directive
609	to workaround some problematic printers. See the sample
610	configuration file for details.
611
612	- 1.21alpha24 :
613
614	- Big database structure changes. An upgrade script
615	is now included for PostgreSQL. LDAP users may just
616	want to copy the new schema in place.
617
618	- edpykota now recognizes the -o \| --overcharge command line
619	option to set an overcharging or undercharging factor
620	on each print job's cost for a particular user.
621
622	- repykota's output format has changed an is not limited to
623	80 characters wide anymore. People who used to parse
624	repykota's output in their own tools are strongly advised
625	to parse dumpykota's output instead.
626
627	- Introduction of the new 'maxdenybanners' configuration directive
628	to allow up to N (the directive's value) deny banners to be
629	printed even if the print account is forbidden to print.
630
631	- Better detection of the number of copies in the PostScript parser.
632
633	- 1.21alpha23 :
634
635	- Traditional Chinese translation added.
636
637	- Several fixes and performance improvements with the LDAP backend.
638
639	- 1.21alpha22 :
640
641	- edpykota's --delete command line option doesn't consider
642	'*' to be the default argument anymore :-)
643
644	- 1.21alpha21 :
645
646	- dumpykota.cgi can now be run as a normal user as opposed to
647	a PyKota administrator. No read access to pykotadmin.conf is
648	necessary anymore. This CGI scripts now honors the REMOTE_USER
649	environment variable just like printquota.cgi does, see
650	the file cgi-bin/README for details.
651	The command line tool dumpykota must still be run by a PyKota
652	administrator.
653
654	- Fix exception's name error due to a change in recent versions
655	of PygreSQL.
656
657	- 1.21alpha20 :
658
659	- Big bug fix wrt the datelimit field which was never reset.
660
661	- 1.21alpha19 :
662
663	- Introduction of the new dumpykota.cgi CGI script, which
664	allows third party tools like phpPrintAnalyzer to be
665	interfaced in real time with PyKota. To use it you
666	may have to change your web server's configuration,
667	please see pykota/cgi-bin/README
668
669	- 1.21alpha18 :
670
671	- Now dumpykota can dump the job history into CUPS' page_log
672	format (even when the printing system is LPRng). This allows
673	people to use tools like PrintAnalyzer or phpPrintAnalyzer
674	(two completely different beasts) with PyKota.
675
676	- 1.21alpha17 :
677
678	- Fixed field type's name in XML dumps.
679
680	- Now drops priviledges to user 'pykota' when launched as root
681	(directly or as a CUPS backend), if such an user exists.
682
683	- Fixed PCL3/4/5 parser for some drivers' output.
684
685	- 1.21alpha16 :
686
687	- fixed several recently introduced bugs in LDAP backend code,
688	thanks to Matt Hyclak.
689
690	- 1.21alpha15 :
691
692	- Normalized field names between LDAP and PostgreSQL backends
693	in dumpykota's output.
694
695	- dumpykota filtering capabilities are now supported within
696	the LDAP backend too.
697
698	- 1.21alpha14 :
699
700	- dumpykota now supports extended filtering possibilities
701	with the PostgreSQL backend (LDAP support will come soon).
702
703	- 1.21alpha13 :
704
705	- Added a --debug command line option to pkpgcounter, so
706	that people may see what really happens, and what will
707	be available in the future :-)
708
709	- 1.21alpha12 :
710
711	- Fixed a bug with non standard pkbanner command lines.
712
713	- Now logs as errors the differences between precomputed and
714	computed job sizes. CUPS only for now
715
716	- 1.21alpha11 :
717
718	- Now user and group print quota entries can be stored directly
719	below the user or group with the LDAP backend, using them
720	as branches. Thanks to Stefan Wold for the patch.
721	See the sample configuration file for details.
722
723	- TLS is now supported with the LDAP backend. Thanks to Stefan
724	Wold for the patch.
725	See the sample configuration file for details.
726
727	- edpkota now accepts the -U \| --used value command line argument
728	to preset the page counters to an initial value. Thanks to
729	Wilson Roberto Afonso and Matt Hyclak for the patch.
730
731	- 1.21alpha10 :
732
733	- Now automatically reconnects up to three times if the LDAP server
734	returned an error, possibly due to a timeout.
735
736	- 1.21alpha9 :
737
738	- Now searches the configuration files in 'pykota' system user's
739	home directory. The 'pykota' system user and group have
740	to be created by the system administrator, and given
741	sufficient permissions to PyKota's configuration files.
742
743	- 1.21alpha8 :
744
745	- Added the new reject_unknown directive to reject the
746	creation of user or groups which are unknown to the system.
747
748	- 1.21alpha7 :
749
750	- Introduction of the pkmail email gateway.
751
752	- 1.21alpha6 :
753
754	- Fix for LPRng filenames.
755
756	- Added Turkish translation thanks to Baris Cicek.
757
758	- 1.21alpha5 :
759
760	- Improved ESC/P2 miniparser for Stylus Photo printers.
761
762	- Implemented the --savetoner command line option to pkbanner.
763
764	- Improved pkbanner's help and messages.
765
766	- 1.21alpha4 :
767
768	- Fixed job's data file detection code for LPRng.
769
770	- Fixed a problem with PJL and PowerSave mode,
771	thanks to Wilson Roberto Afonso.
772
773	- 1.21alpha3 :
774
775	- PyKota can now generate its own banners, and either account
776	for them or not, depending on newly introduced directives
777	in pykota.conf
778	Thanks to Matt Hyclak for the patch.
779
780	- 1.21alpha2 :
781
782	- Installation script is now non interactive again, as it should
783	have stayed from the beginning. Dependencies checking can
784	be done by launching the checkdeps.py command.
785
786	- 1.21alpha1 :
787
788	- added an IPP messages miniparser. Extraction of the client
789	hostname is now considered to be fiable, at least until
790	the CUPS developpers change something...
791
792	- 1.20 :
793
794	- Version number changed.
795
796	- 1.20beta :
797
798	- Norwegian (Bokm� preliminary translation added.
799
800	- German translation was finalized.
801
802	- Greek translation was finalized.
803
804	- For urgent legal reasons, a "privacy" directive has been added
805	to pykota.conf, to hide jobs' title, filename and options
806	in the history.
807
808	- Minor changes in the debian directory.
809
810	- 1.20alpha27 :
811
812	- Fixed many problems with translation files. In particular
813	the Brazilian Portuguese translation file was incorrectly
814	installed into the french "breton" locale directory.
815
816	- Finished French translation.
817
818	- 1.20alpha26 :
819
820	- LPRng support code should now better detect network
821	printers' hostnames or IP addresses.
822
823	- Fix for recently introduced bug in LPRng support.
824
825	- Fix for incorrect locale setting when starting.
826
827	- 1.20alpha25 :
828
829	- pkprinters allows --list to normal users, but require user
830	to be a PyKota administrator when another command line
831	option is used.
832
833	- pkhint doesn't use absolute path to search for helper commands
834	anymore.
835
836	- Spanish translation ready for 1.20.
837
838	- 1.20alpha24 :
839
840	- Now warnpykota only warns users limited by balance once.
841
842	- Now warnpykota only warns users who have ever printed,
843	to not cause confusion to users who have just opened
844	their account.
845
846	- Prepared help messages for translations.
847
848	- 1.20alpha23 :
849
850	- Add workaround for locale problem.
851
852	- 1.20alpha22 :
853
854	- Hopefully final fix for data encoding charset.
855
856	- edpykota now refuse to work if the user is not a PyKota admin.
857
858	- Fixes a recently introduced bug with users groups and PostgreSQL.
859
860	- 1.20alpha21 :
861
862	- Now dumpykota refuses to launch if the current user is not
863	a PyKota administrator (a PyKota administrator is an user
864	allowed to read the pykotadmin.conf file).
865
866	- Now any PyKota administrator can use repykota and warnpykota
867	with additionnal arguments, not only the root user.
868
869	- Improved documentation a bit.
870
871	- 1.20alpha20 :
872
873	- Reduced delay in internal SNMP and PJL_over_TCP handlers
874	from 2 to 1 second.
875
876	- dumpykota can now output XML.
877
878	- 1.20alpha19 :
879
880	- Improved user groups and user groups quotas dumps in dumpykota.
881
882	- Finished implementation of LDAP support in dumpykota.
883
884	- The md5 sum of the job's datas is now available as an
885	hexadecimal digest in the PYKOTAMD5SUM environment variable.
886
887	- The description, filename, title, and options fields
888	are now stored as UTF-8 strings in both LDAP and PostgreSQL.
889	Proper charset is used during extraction from the database.
890
891	- 1.20alpha18 :
892
893	- Experimental autopykota command to initialize user
894	account and quota entries on first print while not
895	resetting the balance value if not needed.
896
897	- Added the new "winbind_separator" directive to strip
898	out the Samba/Winbind domain name while printing if
899	needed (Off by default).
900
901	- 1.20alpha17 :
902
903	- Added --hardreset command line option to edpykota.
904
905	- Fixed problem with accented chars in title, filename
906	or options and LDAP backend.
907
908	- 1.20alpha16 :
909
910	- Internal handling of socket based PJL queries over
911	port tcp/9100 is now available with the magic
912	'pjl' value in the hardware accounter.
913
914	- 1.20alpha15 :
915
916	- LDAP pykotaAccountBalance objects were always created
917	attached to the pykotaUser objects. This is now
918	fixed and the value of balancebase in pykota.conf
919	is now correctly used.
920
921	- 1.20alpha14 :
922
923	- Belgian translations added (copy of the french ones).
924
925	- External hardware accounter now loops until
926	a result can be read correctly.
927
928	- pkhint now suggest the internal snmp handling instead
929	of the external one.
930
931	- 1.20alpha13 :
932
933	- Hardware accounter now accepts the special
934	'snmp' value, meaning ALL is done from main code
935	without launching any subprocess.
936	You need the http://pysnmp.sf.net Python module
937	for this to work (tested with v3.4.2)
938
939	- Increased delay between two loops iterations
940	to 2 seconds in waitprinter.sh to diminish
941	CPU load.
942
943	- 1.20alpha12 :
944
945	- waitprinter.sh rewritten from scratch to wait
946	for printer status stabilization.
947
948	- 1.20alpha11 :
949
950	- Generic data dumper 'dumpykota' introduced.
951	Works only with PostgreSQL backend for now.
952
953	- 1.20alpha10 :
954
955	- Added fix for incorrect job's size computation when
956	hardware accounting fails.
957
958	- 1.20alpha9 :
959
960	- Small fixes wrt subprocesses.
961
962	- 1.20alpha8 :
963
964	- Added full support of PCL3 : HP Deskjet printers are now
965	supported.
966
967	- 1.20alpha7 :
968
969	- First draft of PCL3GUI (Deskjet 640C for example) analyzer.
970	Needs more work, but no documentation is available.
971
972	- 1.20alpha6 :
973
974	- Improved mailandpopup.sh script.
975
976	- Small fixes for LPRng.
977
978	- Now exports PYKOTAPRINTERHOSTNAME for network printers'
979	hostname or IP address. Set to 'localhost' when not
980	meaningful.
981
982	- Fixed issue with how mod_auth_ldap Apache modules
983	fills the REMOTE_USER environment variable.
984
985	- Fixed a bug in LDAP user deletion code.
986
987	- 1.20alpha5 :
988
989	- Introduces the new configuration directive 'onaccountererror'
990	to specify what must be done whenever the software or
991	hardware accounter fails. Allowed values are 'continue' and
992	'stop' (default).
993
994	- Minor fix in software accounter for a recently introduced
995	problem.
996
997	- 1.20alpha4 :
998
999	- Added support for more ghostscript devices in ESC/P2
1000	analyzer : stcolor, st800, escp, escpc are now supported.
1001
1002	- 1.20alpha3 :
1003
1004	- Small improvement in PostScript parser to avoid being
1005	fooled by a change in number of copies :
1006	The user can't ask for 200 copies of page 1 and 1 copy
1007	of page 2 to fool PyKota anymore :
1008	this would have been accounted for as 1 copy only, but
1009	now the maximum value seen is used.
1010
1011	- Relax checks for PCL5 header to accomodate some strange
1012	printer drivers.
1013
1014	- Now hardware accounting method works like software
1015	accounting method wrt the subprocess' output.
1016
1017	- Hardware and Software accounting stop the print queue
1018	when the accounting subprocess didn't work. This will
1019	be configurable in the near future.
1020
1021	- 1.20alpha2 :
1022
1023	- Now software accounting method reads accounter's
1024	answer until a line with a single integer is
1025	obtained or until all of its output has been read.
1026	This should fix the problem some people have
1027	when strange locale related messages are sent
1028	when running subprocesses (Solaris only ?).
1029
1030	- First version of ESC/P2 analyzer. Seems to work
1031	ok at least with 'epson', 'epsonc', 'eps9mid'
1032	and 'esp9high' ghostscript devices. Needs more
1033	work to correctly analyze other devices.
1034
1035	- 1.20alpha1 :
1036
1037	- Fixed problem with number of copies in PCLXL parser.
1038
1039	- Fixed problem with number of copies in PCL5 parser,
1040	when number of copies was set outside of and before first
1041	page.
1042
1043	- Added workaround for number of copies directly set in
1044	PostScript code.
1045
1046	- Added german translation.
1047
1048	- Fixed problem on first print for user group quota when
1049	"enforcement: strict" is used.
1050
1051	- Fixed interpolation problem in french translation.
1052
1053	- 1.19 :
1054
1055	- Updated existing translations.
1056
1057	- Added final Thai and Greek translations.
1058
1059	- Minor last minute bug fixes.
1060
1061	- 1.19beta :
1062
1063	- LPRng support for both software and hardware accounting seems
1064	to be OK.
1065
1066	- Translation files fixed because of fuzzy matching problem.
1067
1068	- Fixed path to Swedish translation: 'sv' instead of 'se'.
1069
1070	- Added first draft of Thai translation.
1071
1072	- Fixed some minor bugs with Pychecker.
1073
1074	- 1.19alpha35 :
1075
1076	- Generic PDL analyzer now supports Binary PostScript documents
1077	in addition to DSC compliant ones.
1078
1079	- 1.19alpha34 :
1080
1081	- LPRng support : software accounting seems to work fine,
1082	but hardware accounting doesn't work yet.
1083
1084	- 1.19alpha33 :
1085
1086	- pykosd now accepts command line arguments. Enjoy !
1087	NB : due to a bug in xosd, you need xosd version 2.2.8
1088	or higher if you don't use the default C locale.
1089
1090	- 1.19alpha32 :
1091
1092	- Early (not working) version of the LPRng support rewrite.
1093
1094	- Saner default configuration file.
1095
1096	- 1.19alpha31 :
1097
1098	- Fixed a double Python2.1 incompatibility with newer versions,
1099	which prevented the PCL5 and the PCLXL parsers to work with
1100	this older version of Python.
1101
1102	- 1.19alpha30 :
1103
1104	- Introduction of preliminary version of the pykosd command
1105
1106	- Usernames, Groupnames and Printernames can now contain
1107	ANY character, expected '/' and '@'.
1108
1109	- Integrated most of the Debian work from Sergio
1110	Gonz�z Gonz�z
1111
1112	- 1.19alpha29 :
1113
1114	- PCLXL parser should now correctly handle number of
1115	copies set for each page.
1116
1117	- Added testsuite for generic PDL analyzer.
1118
1119	- Typo fixed in PCLXL parser.
1120
1121	- Correctly dispatches error messages depending on the
1122	situation : tools which can be run interactively will
1123	ALWAYS output their logs to stderr, excepted for
1124	their DEBUG messages, for which the "logger:"
1125	directive as set in pykota.conf will be honored.
1126	Tools which can't be run interactively will ALWAYS
1127	honor the "logger:" directive as set in pykota.conf
1128
1129	- 1.19alpha28 :
1130
1131	- The description field for printers can now be set,
1132	and is displayed in reports.
1133
1134	- Fixed a small problem in SQL backend code.
1135
1136	- Improved pkhint
1137
1138	- First working PCL6 (aka PCLXL) parser !
1139	Doesn't handle copies yet.
1140
1141	- 1.19alpha27 :
1142
1143	- Additionnal 10% speed increase in PCL5 parser for GhostScript
1144	generated files (untested yet with other PCL files).
1145
1146	- Reintroduced the use of mmap in PCL5 parser : this speedups
1147	PCL5 parsing by almost 4 times.
1148	This 4x with the 3x below give us in fact a twelvefold increase
1149	in performance for PCL5 parsing !
1150
1151	- The Python accelerator Psyco is now used if available
1152	in the generic PDL parser : it speedups PCL5 parsing by
1153	almost three times automagically.
1154
1155	- 1.19alpha26 :
1156
1157	- Fixed PCL5 parser according to the sources of rastertohp.
1158
1159	- Fixed number of copies handling in PCL5 parser : the number
1160	of copies could vary from page to page.
1161
1162	- Added more debug information to PCLXL parser.
1163
1164	- 1.19alpha25 :
1165
1166	- Added new "description" field to printers in both
1167	PostgreSQL and LDAP. No code to handle this yet.
1168
1169	- Reversed the fix for power save mode in printers :
1170	no paper or tray open would have caused people to
1171	be undercharged.
1172
1173	- Preliminary version of MySQL initialization script.
1174
1175	- 1.19alpha24 :
1176
1177	- Native PDF parsing code now works perfectly with
1178	Python 2.1 and above, and is way faster than before.
1179	GhostScript is not used anymore to convert PDF to PS,
1180	because PDF is parsed directly.
1181
1182	- 1.19alpha23 :
1183
1184	- Fixed waitprinter.sh wrt PowerSave mode and some
1185	printers. Thanks to Ryan Suarez.
1186
1187	- Smart PDL analyzer now recognizes PDF too : two
1188	PDF parsing methods are used : a native one which
1189	is very fast but requires Python 2.3 or above, and
1190	a slower one which uses Ghostscript. PyKota detects
1191	automatically which method to use depending on your
1192	version of Python.
1193
1194	- All tracebacks now include PyKota's version number.
1195
1196	- 1.19alpha22 :
1197
1198	- Ensures that the file pointer for job's data is
1199	reset to the start of the job's datas after the
1200	job's size pre-computation phase.
1201
1202	- Improved PostScript detection code for bad drivers
1203	which don't correctly switch languages between PJL
1204	and PS.
1205
1206	- Even better debugging code.
1207
1208	- 1.19alpha21 :
1209
1210	- Additionnal check.
1211
1212	- 1.19alpha20 :
1213
1214	- More complete logging messages wrt accounters.
1215
1216	- Now catches early failures occuring when the configuration
1217	files are parsed.
1218
1219	- 1.19alpha19 :
1220
1221	- Fixed over-verbose exits when displaying help
1222	or version.
1223
1224	- Extended some PATH in the shell scripts
1225
1226	- Deleting an user now also deletes his payments history.
1227
1228	- Doesn't explicitely ignore SIGCHLD anymore. This seems to
1229	cause problems.
1230
1231	- 1.19alpha18 :
1232
1233	- History of payments is now stored in the database, and
1234	updated each time an user's balance is modified with
1235	edpykota --balance. This history represents each time
1236	the user was given some positive or negative credit,
1237	but doesn't reflect price paid for jobs, which appear
1238	in the jobs history instead.
1239
1240	- Jobs history web reports now include the job's size in
1241	bytes. Also columns were reordered to render the report
1242	more easily readable.
1243
1244	- 1.19alpha17 :
1245
1246	- Mysterious bug (program exited unexpectedly without leaving
1247	any log message) which occured once in a while when
1248	cancelling jobs should be fixed now.
1249
1250	- New 'crashrecipient' directive. Disabled by
1251	default. See sample configuration file to see how
1252	to activate it. It is suggested that you activate it.
1253
1254	- New PYKOTAJOBSIZEBYTES environment variable exported,
1255	which contains the job's size in bytes. Empty jobs
1256	are now denied. This value is now stored in the job
1257	history (but not yet displayed from the web interface)
1258
1259	- Preliminary work on payments storage : the PostgreSQL
1260	and LDAP schemas should be OK now, but no code is written
1261	yet to support this functionnality.
1262
1263	- 1.19alpha16 :
1264
1265	- the newuser and newgroup LDAP specific directives now accept
1266	a second parameter to attach(), "fail" or "warn". If no entry
1267	is found to attach PyKota attributes to, and "fail" was used,
1268	then action is aborted and program exits in error. If "warn"
1269	is used, a new entry is created but a warning message is logged.
1270
1271	- The job's originating hostname is now stored in the database,
1272	and exported as PYKOTAJOBORIGINATINGHOSTNAME in the environment.
1273
1274	- 1.19alpha15 :
1275
1276	- The old pykota filter is now removed. This means that
1277	currently PyKota doesn't support LPRng anymore, but
1278	LPRng support will be re-added, improved, in the near future.
1279
1280	- 1.19alpha14 :
1281
1282	- PYKOTAPRECOMPUTEDJOBSIZE and PYKOTAPRECOMPUTEDJOBPRICE
1283	are now exported as environment variables.
1284
1285	- Heavy CPU usage is now completely fixed it seems, by
1286	introducing some 0.01 second sleeping when nothing to do.
1287
1288	- Pre-computation of the job's size is now only
1289	done when enforcement is "STRICT", this saves
1290	CPU for people who don't want to use this new
1291	feature.
1292
1293	- New 'enforcement' directive which accepts either
1294	STRICT or LAXIST. See sample configuration file
1295	for details.
1296
1297	- 1.19alpha13 :
1298
1299	- Get back to an old version of the polling loop which
1300	worked fine, but non-optimally. Will be optimized
1301	as time permits.
1302
1303	- 1.19alpha12 :
1304
1305	- Job's size is now precomputed unconditionnally using
1306	the generic PDL analyzer.
1307	NB : This value is not yet used to pre-allow/deny the
1308	job.
1309
1310	- 1.19alpha11 :
1311
1312	- The pykota filter is now completely deprecated and
1313	can't be used anymore. LPRng users MUST download
1314	an older version of PyKota. CUPS users MUST use
1315	cupspykota. Better support for LPRng will come
1316	in the near future.
1317
1318	- 1.19alpha10 :
1319
1320	- pykotme now uses generic PDL Analyzer directly instead
1321	of spawning a new process.
1322
1323	- Improvements to generic PDL Analyzer.
1324
1325	- 25% Speedup in PCL parser. Getting more of the Python version
1326	will probably be difficult, since the completely table driven
1327	parser I wrote is slower than the original algorithm. Then,
1328	the original algorithm is still used for now.
1329	Probable that more speed could be achieved using mmap, at the
1330	expense of severe memory consumption.
1331
1332	- configuration simplifications : the "accounter" directive's
1333	'hardware' arguments now accepts what was in the "requester"
1334	directive as it's content. The "requester" directive is not
1335	supported anymore. See sample configuration file for details.
1336
1337	- 1.19alpha9 :
1338
1339	- pkpgcounter is now just a wrapper around the PDLAnalyzer class
1340
1341	- pykotaOptions LDAP attribute now accepts non-ascii characters
1342	too.
1343
1344	- First try at cupspykota main loop rewrite
1345
1346	- 1.19alpha8 :
1347
1348	- 'querying' accounting method is now called 'hardware'
1349
1350	- 'external' accounting method is now called 'software'
1351
1352	- 'stupid' accounting method doesn't exist anymore
1353
1354	- 'snmp' requester doesn't exist anymore
1355
1356	- code simplifications in external requester
1357
1358	- 1.19alpha7 :
1359
1360	- Database schema change (both LDAP and PostgreSQL) to
1361	allow storage of the job-originating-hostname attribute.
1362	An SQL upgrade script is present. The code is not yet
1363	capable of setting/retrieving this attribute. Support
1364	for this functionnality will be added in the future.
1365
1366	- 1.19alpha6 :
1367
1368	- problems connecting to SMTP servers are now catched.
1369
1370	- pykotme now uses pkpgcounter to compute the size of the
1371	job. This modification adds PCL5 and soon PCLXL (PCL6)
1372	support. You can now get quotes for PCL in addition to
1373	PostScript.
1374
1375	- pkpgcounter now includes first try at PCLXL parser.
1376	It is currently disabled until it's finished.
1377
1378	- 1.19alpha5 :
1379
1380	- cupspykota polling loop fix for MacOSX (at least)
1381
1382	- logging subsystem now logs PID too, to ease diagnosing
1383	problems under heavy load.
1384
1385	- pkpgcounter enhancements.
1386
1387	- pkprinters --skipexisting now tells pkprinters to not
1388	modify existing printers when --add is used.
1389	pkprinters logs a warning message whenever --add is
1390	used and a printer already exists.
1391
1392	- LDAP schema now allows accented chars in pykotaFileName
1393	and pykotaTitle attributes.
1394
1395	- 1.19alpha4 :
1396
1397	- a bad copy&paste prevented pkpgcounter to work at all, this
1398	is now fixed.
1399
1400	- improved PCL support in pkpgcounter, with the use of
1401	HP PCL/PJL Reference Set
1402	PCL5 Printer Language Technical Quick Reference Guide
1403
1404	- pkpgcounter now uses mmap to speed things up : duration
1405	is halved with the sample 87 pages PCL document I use for
1406	testing.
1407
1408	- 1.19alpha3 :
1409
1410	- pkprinters now accepts the --list command line argument
1411	to list informations about printers.
1412
1413	- 1.19alpha2 :
1414
1415	- pkpgcounter is now included as a smart external
1416	accounter which can handle both PostScript and PCL.
1417
1418	- 1.19alpha1 :
1419
1420	- PYKOTALIMITBY environment variable is now exported too.
1421
1422	- Inclusion of Michele Baldessari's work on autotools.
1423
1424	- 1.18 :
1425
1426	- Improved documentation
1427
1428	- 1.18beta2 :
1429
1430	- Fix for raw jobs with cupspykota
1431
1432	- 1.18beta :
1433
1434	- Small fix for new waitprinter.sh script
1435
1436	- Better tracebacks on error conditions
1437
1438	- Improved translations
1439
1440	- Improved documentation
1441
1442	- 1.18alpha15 :
1443
1444	- waitprinter.sh replaced by a new and possibly faster
1445	and more powerful one.
1446
1447	- Names can now begin with a digit.
1448
1449	- Stability improvement for quotas set on printers groups.
1450
1451	- 1.18alpha14 :
1452
1453	- Catches more (all ?) problems with SMTP servers instead
1454	of breaking.
1455
1456	- Italian translation added.
1457
1458	- 1.18alpha13 :
1459
1460	- Pre and Post hooks are now available in the pykota
1461	filter as well.
1462
1463	- The pykota filter doesn't check last user's quota
1464	anymore when delayed hardware accounting is used :
1465	this will be done anyway the next time the last
1466	user will print again. This saves some database
1467	queries which are unneeded.
1468
1469	- 1.18alpha12 :
1470
1471	- Pre and Post hooks to external commands with many
1472	many environment variables available are useable
1473	from the cupspykota backend.
1474	See sample configuration file for details and help.
1475
1476	- 1.18alpha11 :
1477
1478	- Hopefully final fix wrt groups (users and printers)
1479
1480	- 1.18alpha10 :
1481
1482	- Fixed nested printer groups accounting.
1483
1484	- Fixed user groups + printer groups problem.
1485
1486	- 1.18alpha9 :
1487
1488	- Fix for LDAP problem when job price was 0.
1489
1490	- Fix for empty user groups with LDAP.
1491
1492	- Preliminary version of the snmpprinterstatus command added.
1493
1494	- 1.18alpha8 :
1495
1496	- Don't retrieve data when not needed.
1497	This avoids many database queries.
1498
1499	- 1.18alpha7 :
1500
1501	- New experimental ldapcache directive to improve
1502	LDAP caching.
1503
1504	- 1.18alpha6 :
1505
1506	- New configuration directive added : maildomain
1507	to specify the domain to send mail to when user
1508	email address is not set in PyKota database.
1509
1510	- More complete email message headers.
1511
1512	- 1.18alpha5 :
1513
1514	- Debian packaging specific files, contributed by
1515	Peter Hawkins are now included in the project's tree.
1516
1517	- Preliminary work on future low-level LDAP caching to speed
1518	up modifications (at least).
1519
1520	- 1.18alpha4 :
1521
1522	- Applied some of the modifications suggested by
1523	Peter Hawkins, for better Debian integration.
1524	Most notably cupspykota, pykota, and the shell
1525	scripts are now installed into /usr/share/pykota
1526	instead of into /usr/bin
1527	BEWARE : double check that your symbolic link
1528	to cupspykota is correct, and that your pykota.conf
1529	file use correct path for the shell scripts like
1530	waitprinter.sh and al.
1531
1532	- pkhint command added, to help in configuring correct
1533	accounting method for PyKota.
1534
1535	- 1.18alpha3 :
1536
1537	- Fixed a rare bug in cupspykota backend which gave
1538	incorrect "CUPS backend died abnormally" messages.
1539
1540	- 1.18alpha2 :
1541
1542	- Added the pkprinters command line tool to manage printers
1543	exclusively.
1544
1545	- 1.18alpha1 :
1546
1547	- Preliminary work on Relationnal Database Independance.
1548
1549	- Sample report made from OpenOffice.org added as PDF and SXC.
1550
1551	- 1.17 :
1552
1553	- Finalized release.
1554
1555	- 1.17alpha2 :
1556
1557	- Fix stupid software accounting bug in the CUPS backend.
1558
1559	- 1.17alpha1 :
1560
1561	- User/Group deletion code in edpykota rewritten.
1562
1563	- 1.16 :
1564
1565	- Preliminary documentation on how to use OpenOffice.org
1566	to create personnalized reports for PyKota + PostgreSQL.
1567
1568	- Spanish installation guide for CUPS+PyKota+PostgreSQL
1569	added to the documentation. Doesn't yet document v1.16
1570	though.
1571
1572	- Portuguese Portuguese translation replaces Brazilian
1573	Portuguese Translation. Brazilian portuguese
1574	translation is still available under the 'br' locale.
1575
1576	- 1.16beta3 :
1577
1578	- Swedish translation added.
1579
1580	- Small fix in documentation.
1581
1582	- 1.16beta2 :
1583
1584	- Small fix for job cancelling code while job already
1585	printing in CUPS backend.
1586
1587	- Big fix wrt printing policies for unknown users.
1588
1589	- 1.16beta1 :
1590
1591	- Manpages upgraded.
1592
1593	- 1.16alpha26 :
1594
1595	- Job price is now computed like this :
1596
1597	SUM((NbPages * PricePerPage) + PricePerJob)
1598
1599	For current printer and all the printers groups it is
1600	a member of, if any.
1601
1602	This may be difficult to grasp, but offers unprecedented
1603	flexibility.
1604
1605	- 1.16alpha25 :
1606
1607	- Email address can be set at user creation time,
1608	using the following syntax :
1609
1610	$ edpykota --add username/email@yourdomain.com
1611
1612	- 1.16alpha24 :
1613
1614	- CGI script now can show the printing history.
1615
1616	- Bug wrt number of copies should be fixed.
1617
1618	- Major code refactoring => It is now possible to
1619	automatically add printers on first print.
1620
1621	- 1.16alpha23 :
1622
1623	- Fixed potential accuracy problem if a user printed on
1624	several printers at the very same time.
1625
1626	- 1.16alpha22 :
1627
1628	- edpykota now allows adding printers to printer groups
1629
1630	- 1.16alpha21 :
1631
1632	- Allows the dot in user and printer names.
1633
1634	- Printer groups are now cached too.
1635
1636	- 1.16alpha20 :
1637
1638	- Fixed several small bugs with the help of PyChecker.
1639
1640	- 1.16alpha19 :
1641
1642	- Fixed a bug in PostgreSQL backend's code.
1643
1644	- 1.16alpha18 :
1645
1646	- Initial code for printer groups support. Printer groups have
1647	to be added with external tools like psql or gq for example.
1648	Printer groups seems to work fine with users. Untested with user
1649	groups for now.
1650
1651	- Several minor visual problems fixed in reports.
1652
1653	- Fixed a bug in LDAP date handling.
1654
1655	- Fix for LDAP problem with some combination of OpenLDAP + Python-LDAP
1656	+ some particular settings.
1657
1658	- mailandpopup.sh shell script added. See sample configuration file
1659	for details.
1660
1661	- Several environment variables are now exported when executing
1662	external commands (accounters, requesters, mailers) :
1663
1664	PYKOTAUSERNAME => user who is printing
1665	PYKOTAPRINTERNAME => printer on which the job is being sent
1666	PYKOTATITLE => Job's title
1667	PYKOTAFILENAME => Job's filename
1668	PYKOTACOPIES => number of copies asked
1669	PYKOTAOPTIONS => print command options (-o with CUPS)
1670
1671	- 1.16alpha17 :
1672
1673	- Added portugues translation.
1674
1675	- Major code refactoring in accounters.
1676
1677	- 1.16alpha16 :
1678
1679	- Code refactoring, and addition of a real HTML reporter, to
1680	have nice looking and useful web based reports (in the future).
1681
1682	- Added utolower configuration option to convert all usernames
1683	to lowercase during printing.
1684
1685	- 1.15alpha15 :
1686
1687	- Now includes the papwaitprinter.sh shell script to wait for
1688	AppleTalk enabled printers.
1689
1690	- 1.16alpha14 :
1691
1692	- Now printing on a printer not defined in the Quota Storage,
1693	results in the job being cancelled or stopped, depending
1694	on the printing system.
1695
1696	- 1.16alpha13 :
1697
1698	- Small bugfix wrt Python v2.1
1699
1700	- If username is an empty string, user root is assumed.
1701
1702	- 'postgresql' is not recognized anymore as a storage backend,
1703	you have to use 'pgstorage' instead. 'postgresql' used to
1704	be supported for compatibility with very old PyKota versions,
1705	this is not the case anymore.
1706
1707	- 1.16alpha12 :
1708
1709	- Job price added to job history, to keep accounting correct
1710	if a printer price per page or per job is modified and the
1711	history is not reset : the history would have given a false
1712	amount of money charged before the printer's prices were
1713	modified, this addition solves the problem.
1714
1715	- 1.16alpha11 :
1716
1717	- Some preliminary modifications to the database structure for
1718	PostgreSQL and OpenLDAP. A script to upgrade a PostgreSQL
1719	database is now provided. LDAP attributes now support
1720	eq, pres and sub indexes.
1721
1722	- Job history now contains additional informations :
1723	number of copies, filename, title and print options.
1724
1725	- 1.16alpha10 :
1726
1727	- Some modifications done to external policy handling.
1728	See sample configuration file for details.
1729
1730	- Spanish translation added.
1731
1732	- 1.16alpha9 :
1733
1734	- mailto can be set to external(...) to warn users above
1735	quota with any command of your choice (e.g. linpopup).
1736	Several parameters are available, see sample configuration
1737	file for details.
1738
1739	- 1.16alpha8 :
1740
1741	- Now cupspykota transmits SIGTERMS to the original
1742	backend when the user deletes a job being processed.
1743
1744	- The documentation is now licensed under the terms of the
1745	GNU GPL too.
1746
1747	- 1.16alpha7 :
1748
1749	- The CUPS backend is now fully functionnal (it seems).
1750
1751	- From now on, the use of the pykota filter with CUPS
1752	is deprecated. The pykota filter still has to be
1753	used with LPRng though.
1754
1755	- 1.16alpha6 :
1756
1757	- Bug fixed : when edpykota was used to add a printer
1758	with no user or group name, a bad user/group name "*" was
1759	added to the database.
1760
1761	- 1.16alpha5 :
1762
1763	- New CUPS backend supports device enumeration !
1764	This means that NO manual CUPS configuration has to
1765	be done. All can now be done from CUPS web interface.
1766
1767	- 1.16alpha4 :
1768
1769	- New CUPS backend added.
1770
1771	- 1.16alpha3 :
1772
1773	- Minimal FAQ document added.
1774
1775	- 1.16alpha2 :
1776
1777	- CGI script now partially supports browser's language preference
1778
1779	- 1.16alpha1 :
1780
1781	- Ensures that the LDAP connection is really closed at end.
1782
1783	- More complete error messages in case of LDAP operation failure.
1784
1785	- 1.15 :
1786
1787	- Documentation improved.
1788
1789	- 1.15beta :
1790
1791	- Command line tools now accept multiple printer
1792	names or wildcards, separated with commas.
1793
1794	- 1.15alpha9 :
1795
1796	- External policy can be used to auto-add unknown users
1797	and any other interesting things you may want to do.
1798	WARNING : You can't auto-add printers for now.
1799	They have to be created manually before.
1800	Look at sample configuration file for examples.
1801
1802	- 1.15alpha8 :
1803
1804	- Job history can be disabled if needed.
1805	This feature may be useful for people who use the LDAP
1806	backend and don't want their LDAP tree to grow out of
1807	control.
1808
1809	- 1.15alpha7 :
1810
1811	- More work done on caching wrt groups.
1812
1813	- 1.15alpha6 :
1814
1815	- Performance bottleneck with LDAP solved.
1816
1817	- 1.15alpha5 :
1818
1819	- Caching mechanism for all database queries.
1820
1821	- 1.15alpha4 :
1822
1823	- Problem with Python 2.3 fixed. Needs some definitive
1824	modification.
1825
1826	- 1.15alpha3 :
1827
1828	- CGI script now tries to restrict view when the
1829	REMOTE_USER environment variable is set. This allows
1830	people to protect its use with .htaccess files.
1831	When unprotected, or if REMOTE_USER is 'root', then
1832	unrestricted access is granted.
1833	NB : REMOTE_USER is automatically set by the web server
1834	(e.g. Apache) when a page with restricted access is viewed.
1835
1836	- 1.15alpha2 :
1837
1838	- Better detection of LPRng.
1839
1840	- Outputs a warning if printing system is unknown.
1841
1842	- 1.15alpha1 :
1843
1844	- Bug fix in SQL code.
1845
1846	- 1.14 :
1847
1848	- The PostgreSQL database connection is now always closed before
1849	exit. The LDAP database connection too, but it didn't suffer
1850	from the problem anyway, AFAICT.
1851
1852	- 1.14beta2 :
1853
1854	- An LDAP-specific configuration field was introduced, usermail.
1855	Use it to specify which LDAP attribute contains a valid email
1856	address for the user. See sample configuration file for
1857	details.
1858
1859	- 1.14beta :
1860
1861	- Two new LDAP-specific configuration fields were introduced,
1862	newuser and newgroup. Use them to specify if you want to add
1863	quota information to existing entries or elsewhere.
1864	See sample configuration file for details.
1865
1866	- 1.14alpha9 :
1867
1868	- Documentation improved.
1869
1870	- pykotme now also prints the user's account balance value
1871	if the user is registered in the Quota Storage and his
1872	limiting factor is "balance".
1873
1874	- 1.14alpha8 :
1875
1876	- bin/waitprinter.sh is now included to wait for
1877	SNMP enabled printers to be idle again before
1878	asking for their internal page counter.
1879	See sample configuration file for details.
1880
1881	- 1.14alpha7 :
1882
1883	- edpykota now doesn't check if the user/group is above
1884	quota. The check is only done at print time. This
1885	prevents the sending of email messages when creating
1886	user quotas if quota is already reached at creation
1887	time.
1888
1889	- 1.14alpha6 :
1890
1891	- Configuration file split and moved to /etc/pykota/pykota.conf
1892	and /etc/pykota/pykotadmin.conf to prevent simple users to
1893	have Read/Write access to the Quota Database.
1894	Don't forget to :
1895
1896	$ chmod 640 /etc/pykota/pykotadmin.conf
1897
1898	- storageuser and storageuserpw configuration fields reintroduced
1899	for the same reason.
1900
1901	- Code cleaning for future implementation of email addresses
1902	support in the PostgreSQL and LDAP backends.
1903
1904	- 1.14alpha5 :
1905
1906	- Big bug fixed when changing the prices for a printer
1907
1908	- 1.14alpha4 :
1909
1910	- When adding an user, the user itself and its account balance
1911	are now added in the same LDAP entry. Before they were added
1912	as two different LDAP entries.
1913
1914	- 1.14alpha3 :
1915
1916	- Email field added to PostgreSQL database. An upgrade script
1917	is included in initscripts/postgresql.
1918
1919	- 1.14alpha2 :
1920
1921	- Typo fixed when using the --prototype option to edpykota
1922
1923	- 1.14alpha1 :
1924
1925	- Poor man's treshold included : users with a low account
1926	balance (below 1.0 by default, configurable) are sent
1927	a warning message.
1928
1929	- All warning messages to users are now configurable.
1930	NB : Warning messages to the administrator are not.
1931
1932	- 1.13 :
1933
1934	- Some small fixes wrt group handling.
1935
1936	- The whole module code was passed through PyChecker and
1937	several small code inconsistencies were fixed,
1938	as well as a bug in the groups code.
1939
1940	- 1.13alpha1 :
1941
1942	- Bug fix wrt LDAP.
1943
1944	- 1.12 :
1945
1946	- More complete test added in edpykota.
1947
1948	- 1.12alpha2 :
1949
1950	- The previous bug fix was incomplete. This is corrected.
1951
1952	- 1.12alpha1 :
1953
1954	- Small bug fix.
1955
1956	- 1.11 :
1957
1958	- Now includes the pykotme command line tool, to produce
1959	printing quotes for users.
1960
1961	- 1.10 :
1962
1963	- Bug fixed wrt quota reports when print limiting is by
1964	account balance.
1965
1966	- 1.09 :
1967
1968	- Translations finalized.
1969
1970	- Manpages updated.
1971
1972	- Installation documentation improved wrt LDAP support.
1973
1974	- 1.09beta2 :
1975
1976	- The CGI script for quota reports works again, and
1977	is much more powerful.
1978
1979	- 1.09beta :
1980
1981	- edpykota finalized
1982
1983	- 1.09alpha2 :
1984
1985	- LDAP schema modified a bit. Please upgrade.
1986
1987	- LDAP backend works !
1988
1989	- repykota and warnpykota allow the root user to pass
1990	users or groups names on the command line. Users
1991	and groups names may contain wildcards.
1992
1993	- repykota and warnpykota only reports or warns the
1994	current user when launched by non-root users.
1995
1996	- Minor bug fixes.
1997
1998	- 1.09alpha1 :
1999
2000	- More work on LDAP storage backend. Many options
2001	were added to /etc/pykota.conf to give some
2002	hints to the LDAP storage backend.
2003
2004	- Severe database access optimizations were done by
2005	rewriting most of the Quota Storage backends drivers.
2006
2007	- 1.08 :
2008
2009	- Major bug fix wrt LPRng support for remote jobs.
2010
2011	- Major bug fix wrt increase/decrease account balances.
2012
2013	- 1.08alpha8 :
2014
2015	- Code refactoring.
2016
2017	- A single user/password pair is used to connect
2018	to the database backend. The storageuser configuration
2019	field, and its associated passwords storageuserpw, are
2020	not used anymore.
2021
2022	- You can now set PyKota in debug mode, see sample configuration
2023	file for details.
2024	WARNING : only Quota Storage backend queries are logged in
2025	debug mode, for now.
2026
2027	- 1.08alpha7 :
2028
2029	- Very latest LDAP schema.
2030
2031	- Code enhancement wrt easy pluggability of PyKota attributes
2032	and object classes into an existing LDAP directory.
2033
2034	- 1.08alpha6 :
2035
2036	- Minor bug corrections
2037
2038	- More work on LDAP : new schema
2039
2040	- 1.08alpha5 :
2041
2042	- More good work on LDAP storage.
2043	repykota now works reasonably well with the sample LDAP directory.
2044
2045	- 1.08alpha4 :
2046
2047	- LDAP schema included.
2048	THIS IS JUST FOR PEOPLE TO DISCUSS ABOUT THIS.
2049	LDAP SUPPORT DOESN'T WORK YET, AND THE SCHEMA
2050	MAY CHANGE IN THE FUTURE. PLEASE TELL US
2051	WHAT YOU THINK ABOUT THIS SCHEMA ON THE
2052	MAILING LIST.
2053
2054	- 1.08alpha3 :
2055
2056	- External accounting methods were partly rewritten :
2057
2058	- No more "broken pipe" should happen.
2059
2060	- They now take care of the number of copies
2061	This may be unneeded though, if the postscript
2062	file already does this, because this would
2063	overcharge users (number of copies counted
2064	two times). NEEDS MORE TESTING.
2065
2066	- The sample configuration file now contains
2067	an external accounting method example which should
2068	work with all DSC compliant Postscript files.
2069
2070	- Some small bugs were fixed.
2071
2072	- 1.08alpha2 :
2073
2074	- Now works with net-snmp v5.0 and above.
2075	It already worked, but the sample configuration
2076	file didn't contain appropriate values...
2077
2078	- 1.07 : Release of the Shame !
2079
2080	- The external accounting methods driver was left out of
2081	the CVS tree. Nobody could use it since it wasn't included !
2082
2083	- 1.06 :
2084
2085	- Severe bug fixed : if you had a printer in
2086	power saving state which couldn't answer immediately,
2087	a bug was triggered.
2088	It was caused by a bad copy/paste which
2089	forgot to import a Python module at run time.
2090
2091	- 1.05 :
2092
2093	- External accounters are finally available !
2094	This means that you can plug any page accounting
2095	method you like by setting the appropriate
2096	'accounter' field in /etc/pykota.conf
2097	See the sample conf/pykota.conf.sample to
2098	learn how to do.
2099
2100	NB : Both 'external' and 'stupid' accounting methods
2101	account a job size just before this job is
2102	sent to the printer.
2103	The original 'querying' method accounts a job
2104	size just before the next job is sent to
2105	the printer.
2106
2107	- 1.05alpha3 :
2108
2109	- A 'stupid' and unreliable accounting method was
2110	implemented to serve as an example on how to
2111	do this sort of things. This method only counts
2112	the 'showpage' statements in the input data.
2113	See sample configuration file for details.
2114	Pluggable accounting methods work, but I advise
2115	you TO NOT USE THIS ONE WHICH IS JUST AN EXAMPLE.
2116	It is not reliable enough to be used.
2117	Use the 'querying' accounting method instead.
2118
2119	- 1.05alpha2 :
2120
2121	- Pluggable accounting methods.
2122
2123	- Better error handling.
2124
2125	- 1.05alpha1 :
2126
2127	- SECURITY file added to help improve PyKota's security.
2128
2129	- Extracting the printer's internal page counter is now
2130	tried several times, waiting several seconds between
2131	two tries. This lets the time to warm up for some printers
2132	which don't answer when they are sleeping (my Apple
2133	LaserWriter 16/600 PS is in this case, maybe others too)
2134
2135	- Small display bug fixed in repykota
2136
2137	- 1.04 :
2138
2139	- Default print policy for users/groups unknown from
2140	the print quota system is now DENY instead of ALLOW,
2141	since ALLOW can generate inaccurate results
2142	(incorrect job sizes charged to the wrong persons)
2143
2144	- LPRng support works !
2145
2146	- A bug was introduced some time ago wrt printers' default
2147	policy for unknown users. It is now corrected.
2148
2149	- repykota now displays prices per job and per page for each
2150	printer, if they are defined.
2151
2152	- Minor display bug fixed in repykota.
2153
2154	- Problem when running repykota with an empty database was fixed.
2155
2156	- 1.03 :
2157
2158	- Upgrade script included for earlier versions.
2159	Please look inside the initscripts subdirectory.
2160	THE DATABASE SCHEMA HAS CHANGED, PLEASE UPGRADE.
2161
2162	- repykota now reports account balances too.
2163
2164	- PyKota now has a nice logo, see the logos
2165	subdirectory.
2166
2167	- Manual pages were finally updated.
2168
2169	- Group quotas seem to work now !
2170
2171	- The new database schema allows to keep an history of all
2172	jobs as well as charge users per page and/or per job,
2173	and track users' account balance.
2174
2175	- edpykota now accepts much more command line options to
2176	use the new functionnalities. See edpykota --help for
2177	details.
2178
2179	- The installation script now allows to install the sample
2180	configuration file during first installation.
2181
2182	- More group quota code works, but still not finished.
2183
2184	- The CGI script displays a link to PyKota's website.
2185
2186	- The job history is now kept, this will allow per-period
2187	reports in the future.
2188
2189	- After having modified the quota for an user with edpykota,
2190	a quota check is done to eventually warn the user/admin about
2191	a quota which is too low to print.
2192
2193	- A workaround is provided for HP Printers : their internal
2194	page counter is only saved to NVRAM in a 10 increment, so
2195	if you switch them off and then on, the reported page counter
2196	may be lower than the real number of pages printed.
2197	See http://web.mit.edu/source/third/lprng/doc/LPRng-HOWTO-15.html
2198	We unconditionnally set the last job's page count to
2199	abs(int((10 - abs(lastcounter(snmp) - lastcounter(storage)) / 2))
2200	in this case.
2201	For a more accurate accounting, never switch your HP printers
2202	off.
2203
2204	- A fix is provided for printers which only have a volatile
2205	page counter (reset to 0 every time you switch the printer on)
2206	This should allow PyKota to work reasonably fine with HP Laserjet
2207	4L/5L/6L, not perfect, but better than nothing.
2208	See http://web.mit.edu/source/third/lprng/doc/LPRng-HOWTO-15.html
2209	For a more accurate accounting, never switch your HP printers
2210	off. This is untested, please report any problem.
2211
2212	- A bug was fixed when edpykota --add was used with users who already
2213	had a quota on the specified printer.
2214
2215	- A small display bug in repykota was introduced in preliminary
2216	1.03 versions, and fixed later on.
2217
2218	- Some minor bugs which happened in rare situations were fixed.
2219
2220	- Support for AppleTalk printers was added, see sample configuration
2221	file for details.
2222
2223	- Users and group printing can now be controlled (limited) either by
2224	print quota or by account balance.
2225
2226	- 1.02 :
2227
2228	- The installation script now checks for software availability
2229	and in case a software is missing asks the user if he
2230	wants to continue with the installation or abort it.
2231
2232	- The configuration file pykota.conf is now expected to be
2233	found in /etc instead of in /etc/cups
2234	The installation script prompts the user to see if he
2235	wants to move an old configuration file to the new location
2236	if needed.
2237
2238	- Improved documentation.
2239
2240	- You can now set the tcp/ip port on which the Quota Storage
2241	Server is listening, see sample configuration file for details.
2242
2243	- Better general error handling.
2244
2245	- Upgrade script for pre 1.01 PostgreSQL database schema is now
2246	included as well.
2247
2248	- 1.01 :
2249
2250	- The configuration file now accepts an option
2251	to choose the recipient(s) of the email messages :
2252
2253	- DevNull means no one will receive them.
2254	- User means only the user will receive them.
2255	- Admin means only the admin will receive them.
2256	- Both means the User and the Admin will receive them.
2257
2258	- The configuration file now uses hard-coded default values
2259	when an option is not set. See sample configuration file
2260	for details.
2261
2262	- Manual pages are included since 1.00, but I forgot to
2263	add this information to this file.
2264
2265	- Redistribution terms for the official package have
2266	softened and are now fully GPL compatible :
2267	unrestricted modification is now allowed even for
2268	the version number.
2269
2270	- 1.00 :
2271
2272	- edpykota now accepts a --noquota option. This
2273	disable quota checking while still doing page
2274	accounting. This is really useful for people
2275	who don't want to limit their users but want
2276	to know how much pages they print.
2277
2278	- Some untested scripts were added to retrieve
2279	the life time page counter of non-SNMP printers.
2280
2281	- Every directory now has a specific README file.
2282
2283	- 0.99 :
2284
2285	- Under some circumstances while the user wasn't allowed
2286	to print, he didn't receive any email message. It is
2287	now fixed.
2288
2289	- When an user wasn't allowed to print, the quota for
2290	the previous user wasn't updated. This is now fixed.
2291
2292	- 0.98 :
2293
2294	- Correctly handle the case where the printer is switched off.
2295
2296	- Small bug wrt syslog fixed.
2297
2298	- 0.97 :
2299
2300	- edpykota accepts wildcards on its command line for users/groups too
2301	if the --add option is not set, e.g. :
2302
2303	$ edpykota --printer lp --softlimit 50 --hardlimit 100 "jer*"
2304
2305	- If no user name is passed at all, then a default wildcard of "*"
2306	which means apply the command on ALL users for this printer is used.
2307
2308	- Small bug fixes.
2309
2310	- 0.96 :
2311
2312	- Options requester, policy, admin, adminmail and gracedelay can now
2313	be set either globally or per printer. The printer option has
2314	priority if both are defined.
2315
2316	- More powerful configuration parser.
2317
2318	- If all options are defined globally, there's no need to
2319	define a section for each printer in the configuration
2320	file anymore. Just define a [global] section and it's ok.
2321
2322	- 0.95 :
2323
2324	- External requesters for printers finally added.
2325
2326	- Full internationalization (english and french are supported)
2327
2328	- More complete quota usage report
2329
2330	- CGI script to access to the quota usage report
2331
2332	- Several bugs fixed.
2333
2334
2335	- 0.9 :
2336
2337	- First public version

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