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erikg / python-chrono

A Python module for simple and convenient date/time handling

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don't include doctest and doctrees in source distributions

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                    GNU GENERAL PUBLIC LICENSE
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                       Version 3, 29 June 2007
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 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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9827f80818dc
be treated as though they were included in this License, to the extent
349
9827f80818dc
that they are valid under applicable law.  If additional permissions
350
9827f80818dc
apply only to part of the Program, that part may be used separately
351
9827f80818dc
under those permissions, but the entire Program remains governed by
352
9827f80818dc
this License without regard to the additional permissions.
353
9827f80818dc
354
9827f80818dc
  When you convey a copy of a covered work, you may at your option
355
9827f80818dc
remove any additional permissions from that copy, or from any part of
356
9827f80818dc
it.  (Additional permissions may be written to require their own
357
9827f80818dc
removal in certain cases when you modify the work.)  You may place
358
9827f80818dc
additional permissions on material, added by you to a covered work,
359
9827f80818dc
for which you have or can give appropriate copyright permission.
360
9827f80818dc
361
9827f80818dc
  Notwithstanding any other provision of this License, for material you
362
9827f80818dc
add to a covered work, you may (if authorized by the copyright holders of
363
9827f80818dc
that material) supplement the terms of this License with terms:
364
9827f80818dc
365
9827f80818dc
    a) Disclaiming warranty or limiting liability differently from the
366
9827f80818dc
    terms of sections 15 and 16 of this License; or
367
9827f80818dc
368
9827f80818dc
    b) Requiring preservation of specified reasonable legal notices or
369
9827f80818dc
    author attributions in that material or in the Appropriate Legal
370
9827f80818dc
    Notices displayed by works containing it; or
371
9827f80818dc
372
9827f80818dc
    c) Prohibiting misrepresentation of the origin of that material, or
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9827f80818dc
    requiring that modified versions of such material be marked in
374
9827f80818dc
    reasonable ways as different from the original version; or
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9827f80818dc
376
9827f80818dc
    d) Limiting the use for publicity purposes of names of licensors or
377
9827f80818dc
    authors of the material; or
378
9827f80818dc
379
9827f80818dc
    e) Declining to grant rights under trademark law for use of some
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9827f80818dc
    trade names, trademarks, or service marks; or
381
9827f80818dc
382
9827f80818dc
    f) Requiring indemnification of licensors and authors of that
383
9827f80818dc
    material by anyone who conveys the material (or modified versions of
384
9827f80818dc
    it) with contractual assumptions of liability to the recipient, for
385
9827f80818dc
    any liability that these contractual assumptions directly impose on
386
9827f80818dc
    those licensors and authors.
387
9827f80818dc
388
9827f80818dc
  All other non-permissive additional terms are considered "further
389
9827f80818dc
restrictions" within the meaning of section 10.  If the Program as you
390
9827f80818dc
received it, or any part of it, contains a notice stating that it is
391
9827f80818dc
governed by this License along with a term that is a further
392
9827f80818dc
restriction, you may remove that term.  If a license document contains
393
9827f80818dc
a further restriction but permits relicensing or conveying under this
394
9827f80818dc
License, you may add to a covered work material governed by the terms
395
9827f80818dc
of that license document, provided that the further restriction does
396
9827f80818dc
not survive such relicensing or conveying.
397
9827f80818dc
398
9827f80818dc
  If you add terms to a covered work in accord with this section, you
399
9827f80818dc
must place, in the relevant source files, a statement of the
400
9827f80818dc
additional terms that apply to those files, or a notice indicating
401
9827f80818dc
where to find the applicable terms.
402
9827f80818dc
403
9827f80818dc
  Additional terms, permissive or non-permissive, may be stated in the
404
9827f80818dc
form of a separately written license, or stated as exceptions;
405
9827f80818dc
the above requirements apply either way.
406
9827f80818dc
407
9827f80818dc
  8. Termination.
408
9827f80818dc
409
9827f80818dc
  You may not propagate or modify a covered work except as expressly
410
9827f80818dc
provided under this License.  Any attempt otherwise to propagate or
411
9827f80818dc
modify it is void, and will automatically terminate your rights under
412
9827f80818dc
this License (including any patent licenses granted under the third
413
9827f80818dc
paragraph of section 11).
414
9827f80818dc
415
9827f80818dc
  However, if you cease all violation of this License, then your
416
9827f80818dc
license from a particular copyright holder is reinstated (a)
417
9827f80818dc
provisionally, unless and until the copyright holder explicitly and
418
9827f80818dc
finally terminates your license, and (b) permanently, if the copyright
419
9827f80818dc
holder fails to notify you of the violation by some reasonable means
420
9827f80818dc
prior to 60 days after the cessation.
421
9827f80818dc
422
9827f80818dc
  Moreover, your license from a particular copyright holder is
423
9827f80818dc
reinstated permanently if the copyright holder notifies you of the
424
9827f80818dc
violation by some reasonable means, this is the first time you have
425
9827f80818dc
received notice of violation of this License (for any work) from that
426
9827f80818dc
copyright holder, and you cure the violation prior to 30 days after
427
9827f80818dc
your receipt of the notice.
428
9827f80818dc
429
9827f80818dc
  Termination of your rights under this section does not terminate the
430
9827f80818dc
licenses of parties who have received copies or rights from you under
431
9827f80818dc
this License.  If your rights have been terminated and not permanently
432
9827f80818dc
reinstated, you do not qualify to receive new licenses for the same
433
9827f80818dc
material under section 10.
434
9827f80818dc
435
9827f80818dc
  9. Acceptance Not Required for Having Copies.
436
9827f80818dc
437
9827f80818dc
  You are not required to accept this License in order to receive or
438
9827f80818dc
run a copy of the Program.  Ancillary propagation of a covered work
439
9827f80818dc
occurring solely as a consequence of using peer-to-peer transmission
440
9827f80818dc
to receive a copy likewise does not require acceptance.  However,
441
9827f80818dc
nothing other than this License grants you permission to propagate or
442
9827f80818dc
modify any covered work.  These actions infringe copyright if you do
443
9827f80818dc
not accept this License.  Therefore, by modifying or propagating a
444
9827f80818dc
covered work, you indicate your acceptance of this License to do so.
445
9827f80818dc
446
9827f80818dc
  10. Automatic Licensing of Downstream Recipients.
447
9827f80818dc
448
9827f80818dc
  Each time you convey a covered work, the recipient automatically
449
9827f80818dc
receives a license from the original licensors, to run, modify and
450
9827f80818dc
propagate that work, subject to this License.  You are not responsible
451
9827f80818dc
for enforcing compliance by third parties with this License.
452
9827f80818dc
453
9827f80818dc
  An "entity transaction" is a transaction transferring control of an
454
9827f80818dc
organization, or substantially all assets of one, or subdividing an
455
9827f80818dc
organization, or merging organizations.  If propagation of a covered
456
9827f80818dc
work results from an entity transaction, each party to that
457
9827f80818dc
transaction who receives a copy of the work also receives whatever
458
9827f80818dc
licenses to the work the party's predecessor in interest had or could
459
9827f80818dc
give under the previous paragraph, plus a right to possession of the
460
9827f80818dc
Corresponding Source of the work from the predecessor in interest, if
461
9827f80818dc
the predecessor has it or can get it with reasonable efforts.
462
9827f80818dc
463
9827f80818dc
  You may not impose any further restrictions on the exercise of the
464
9827f80818dc
rights granted or affirmed under this License.  For example, you may
465
9827f80818dc
not impose a license fee, royalty, or other charge for exercise of
466
9827f80818dc
rights granted under this License, and you may not initiate litigation
467
9827f80818dc
(including a cross-claim or counterclaim in a lawsuit) alleging that
468
9827f80818dc
any patent claim is infringed by making, using, selling, offering for
469
9827f80818dc
sale, or importing the Program or any portion of it.
470
9827f80818dc
471
9827f80818dc
  11. Patents.
472
9827f80818dc
473
9827f80818dc
  A "contributor" is a copyright holder who authorizes use under this
474
9827f80818dc
License of the Program or a work on which the Program is based.  The
475
9827f80818dc
work thus licensed is called the contributor's "contributor version".
476
9827f80818dc
477
9827f80818dc
  A contributor's "essential patent claims" are all patent claims
478
9827f80818dc
owned or controlled by the contributor, whether already acquired or
479
9827f80818dc
hereafter acquired, that would be infringed by some manner, permitted
480
9827f80818dc
by this License, of making, using, or selling its contributor version,
481
9827f80818dc
but do not include claims that would be infringed only as a
482
9827f80818dc
consequence of further modification of the contributor version.  For
483
9827f80818dc
purposes of this definition, "control" includes the right to grant
484
9827f80818dc
patent sublicenses in a manner consistent with the requirements of
485
9827f80818dc
this License.
486
9827f80818dc
487
9827f80818dc
  Each contributor grants you a non-exclusive, worldwide, royalty-free
488
9827f80818dc
patent license under the contributor's essential patent claims, to
489
9827f80818dc
make, use, sell, offer for sale, import and otherwise run, modify and
490
9827f80818dc
propagate the contents of its contributor version.
491
9827f80818dc
492
9827f80818dc
  In the following three paragraphs, a "patent license" is any express
493
9827f80818dc
agreement or commitment, however denominated, not to enforce a patent
494
9827f80818dc
(such as an express permission to practice a patent or covenant not to
495
9827f80818dc
sue for patent infringement).  To "grant" such a patent license to a
496
9827f80818dc
party means to make such an agreement or commitment not to enforce a
497
9827f80818dc
patent against the party.
498
9827f80818dc
499
9827f80818dc
  If you convey a covered work, knowingly relying on a patent license,
500
9827f80818dc
and the Corresponding Source of the work is not available for anyone
501
9827f80818dc
to copy, free of charge and under the terms of this License, through a
502
9827f80818dc
publicly available network server or other readily accessible means,
503
9827f80818dc
then you must either (1) cause the Corresponding Source to be so
504
9827f80818dc
available, or (2) arrange to deprive yourself of the benefit of the
505
9827f80818dc
patent license for this particular work, or (3) arrange, in a manner
506
9827f80818dc
consistent with the requirements of this License, to extend the patent
507
9827f80818dc
license to downstream recipients.  "Knowingly relying" means you have
508
9827f80818dc
actual knowledge that, but for the patent license, your conveying the
509
9827f80818dc
covered work in a country, or your recipient's use of the covered work
510
9827f80818dc
in a country, would infringe one or more identifiable patents in that
511
9827f80818dc
country that you have reason to believe are valid.
512
9827f80818dc
513
9827f80818dc
  If, pursuant to or in connection with a single transaction or
514
9827f80818dc
arrangement, you convey, or propagate by procuring conveyance of, a
515
9827f80818dc
covered work, and grant a patent license to some of the parties
516
9827f80818dc
receiving the covered work authorizing them to use, propagate, modify
517
9827f80818dc
or convey a specific copy of the covered work, then the patent license
518
9827f80818dc
you grant is automatically extended to all recipients of the covered
519
9827f80818dc
work and works based on it.
520
9827f80818dc
521
9827f80818dc
  A patent license is "discriminatory" if it does not include within
522
9827f80818dc
the scope of its coverage, prohibits the exercise of, or is
523
9827f80818dc
conditioned on the non-exercise of one or more of the rights that are
524
9827f80818dc
specifically granted under this License.  You may not convey a covered
525
9827f80818dc
work if you are a party to an arrangement with a third party that is
526
9827f80818dc
in the business of distributing software, under which you make payment
527
9827f80818dc
to the third party based on the extent of your activity of conveying
528
9827f80818dc
the work, and under which the third party grants, to any of the
529
9827f80818dc
parties who would receive the covered work from you, a discriminatory
530
9827f80818dc
patent license (a) in connection with copies of the covered work
531
9827f80818dc
conveyed by you (or copies made from those copies), or (b) primarily
532
9827f80818dc
for and in connection with specific products or compilations that
533
9827f80818dc
contain the covered work, unless you entered into that arrangement,
534
9827f80818dc
or that patent license was granted, prior to 28 March 2007.
535
9827f80818dc
536
9827f80818dc
  Nothing in this License shall be construed as excluding or limiting
537
9827f80818dc
any implied license or other defenses to infringement that may
538
9827f80818dc
otherwise be available to you under applicable patent law.
539
9827f80818dc
540
9827f80818dc
  12. No Surrender of Others' Freedom.
541
9827f80818dc
542
9827f80818dc
  If conditions are imposed on you (whether by court order, agreement or
543
9827f80818dc
otherwise) that contradict the conditions of this License, they do not
544
9827f80818dc
excuse you from the conditions of this License.  If you cannot convey a
545
9827f80818dc
covered work so as to satisfy simultaneously your obligations under this
546
9827f80818dc
License and any other pertinent obligations, then as a consequence you may
547
9827f80818dc
not convey it at all.  For example, if you agree to terms that obligate you
548
9827f80818dc
to collect a royalty for further conveying from those to whom you convey
549
9827f80818dc
the Program, the only way you could satisfy both those terms and this
550
9827f80818dc
License would be to refrain entirely from conveying the Program.
551
9827f80818dc
552
9827f80818dc
  13. Use with the GNU Affero General Public License.
553
9827f80818dc
554
9827f80818dc
  Notwithstanding any other provision of this License, you have
555
9827f80818dc
permission to link or combine any covered work with a work licensed
556
9827f80818dc
under version 3 of the GNU Affero General Public License into a single
557
9827f80818dc
combined work, and to convey the resulting work.  The terms of this
558
9827f80818dc
License will continue to apply to the part which is the covered work,
559
9827f80818dc
but the special requirements of the GNU Affero General Public License,
560
9827f80818dc
section 13, concerning interaction through a network will apply to the
561
9827f80818dc
combination as such.
562
9827f80818dc
563
9827f80818dc
  14. Revised Versions of this License.
564
9827f80818dc
565
9827f80818dc
  The Free Software Foundation may publish revised and/or new versions of
566
9827f80818dc
the GNU General Public License from time to time.  Such new versions will
567
9827f80818dc
be similar in spirit to the present version, but may differ in detail to
568
9827f80818dc
address new problems or concerns.
569
9827f80818dc
570
9827f80818dc
  Each version is given a distinguishing version number.  If the
571
9827f80818dc
Program specifies that a certain numbered version of the GNU General
572
9827f80818dc
Public License "or any later version" applies to it, you have the
573
9827f80818dc
option of following the terms and conditions either of that numbered
574
9827f80818dc
version or of any later version published by the Free Software
575
9827f80818dc
Foundation.  If the Program does not specify a version number of the
576
9827f80818dc
GNU General Public License, you may choose any version ever published
577
9827f80818dc
by the Free Software Foundation.
578
9827f80818dc
579
9827f80818dc
  If the Program specifies that a proxy can decide which future
580
9827f80818dc
versions of the GNU General Public License can be used, that proxy's
581
9827f80818dc
public statement of acceptance of a version permanently authorizes you
582
9827f80818dc
to choose that version for the Program.
583
9827f80818dc
584
9827f80818dc
  Later license versions may give you additional or different
585
9827f80818dc
permissions.  However, no additional obligations are imposed on any
586
9827f80818dc
author or copyright holder as a result of your choosing to follow a
587
9827f80818dc
later version.
588
9827f80818dc
589
9827f80818dc
  15. Disclaimer of Warranty.
590
9827f80818dc
591
9827f80818dc
  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592
9827f80818dc
APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593
9827f80818dc
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594
9827f80818dc
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595
9827f80818dc
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596
9827f80818dc
PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597
9827f80818dc
IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598
9827f80818dc
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599
9827f80818dc
600
9827f80818dc
  16. Limitation of Liability.
601
9827f80818dc
602
9827f80818dc
  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603
9827f80818dc
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604
9827f80818dc
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605
9827f80818dc
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606
9827f80818dc
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607
9827f80818dc
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608
9827f80818dc
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609
9827f80818dc
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610
9827f80818dc
SUCH DAMAGES.
611
9827f80818dc
612
9827f80818dc
  17. Interpretation of Sections 15 and 16.
613
9827f80818dc
614
9827f80818dc
  If the disclaimer of warranty and limitation of liability provided
615
9827f80818dc
above cannot be given local legal effect according to their terms,
616
9827f80818dc
reviewing courts shall apply local law that most closely approximates
617
9827f80818dc
an absolute waiver of all civil liability in connection with the
618
9827f80818dc
Program, unless a warranty or assumption of liability accompanies a
619
9827f80818dc
copy of the Program in return for a fee.
620
9827f80818dc
621
9827f80818dc
                     END OF TERMS AND CONDITIONS
622
9827f80818dc
623
9827f80818dc
            How to Apply These Terms to Your New Programs
624
9827f80818dc
625
9827f80818dc
  If you develop a new program, and you want it to be of the greatest
626
9827f80818dc
possible use to the public, the best way to achieve this is to make it
627
9827f80818dc
free software which everyone can redistribute and change under these terms.
628
9827f80818dc
629
9827f80818dc
  To do so, attach the following notices to the program.  It is safest
630
9827f80818dc
to attach them to the start of each source file to most effectively
631
9827f80818dc
state the exclusion of warranty; and each file should have at least
632
9827f80818dc
the "copyright" line and a pointer to where the full notice is found.
633
9827f80818dc
634
9827f80818dc
    <one line to give the program's name and a brief idea of what it does.>
635
9827f80818dc
    Copyright (C) <year>  <name of author>
636
9827f80818dc
637
9827f80818dc
    This program is free software: you can redistribute it and/or modify
638
9827f80818dc
    it under the terms of the GNU General Public License as published by
639
9827f80818dc
    the Free Software Foundation, either version 3 of the License, or
640
9827f80818dc
    (at your option) any later version.
641
9827f80818dc
642
9827f80818dc
    This program is distributed in the hope that it will be useful,
643
9827f80818dc
    but WITHOUT ANY WARRANTY; without even the implied warranty of
644
9827f80818dc
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
645
9827f80818dc
    GNU General Public License for more details.
646
9827f80818dc
647
9827f80818dc
    You should have received a copy of the GNU General Public License
648
9827f80818dc
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
649
9827f80818dc
650
9827f80818dc
Also add information on how to contact you by electronic and paper mail.
651
9827f80818dc
652
9827f80818dc
  If the program does terminal interaction, make it output a short
653
9827f80818dc
notice like this when it starts in an interactive mode:
654
9827f80818dc
655
9827f80818dc
    <program>  Copyright (C) <year>  <name of author>
656
9827f80818dc
    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657
9827f80818dc
    This is free software, and you are welcome to redistribute it
658
9827f80818dc
    under certain conditions; type `show c' for details.
659
9827f80818dc
660
9827f80818dc
The hypothetical commands `show w' and `show c' should show the appropriate
661
9827f80818dc
parts of the General Public License.  Of course, your program's commands
662
9827f80818dc
might be different; for a GUI interface, you would use an "about box".
663
9827f80818dc
664
9827f80818dc
  You should also get your employer (if you work as a programmer) or school,
665
9827f80818dc
if any, to sign a "copyright disclaimer" for the program, if necessary.
666
9827f80818dc
For more information on this, and how to apply and follow the GNU GPL, see
667
9827f80818dc
<http://www.gnu.org/licenses/>.
668
9827f80818dc
669
9827f80818dc
  The GNU General Public License does not permit incorporating your program
670
9827f80818dc
into proprietary programs.  If your program is a subroutine library, you
671
9827f80818dc
may consider it more useful to permit linking proprietary applications with
672
9827f80818dc
the library.  If this is what you want to do, use the GNU Lesser General
673
9827f80818dc
Public License instead of this License.  But first, please read
674
9827f80818dc
<http://www.gnu.org/philosophy/why-not-lgpl.html>.