Version 1.27.6, 2022-04-18

What changed

Deprecations (DEP)

• Remove support for Python 2.6 and older (#776)

New Features (ENH)

• Extract document permissions (#320)

Bug Fixes (BUG)

• Clip by trimBox when merging pages, which would otherwise be ignored (#240)
• Add overwriteWarnings parameter PdfFileMerger (#243)
• IndexError for getPage() of decryped file (#359)
• Handle cases where decodeParms is an ArrayObject (#405)
• Updated PDF fields don't show up when page is written (#412)
• Set Linked Form Value (#414)
• Fix zlib -5 error for corrupt files (#603)
• Fix reading more than last1K for EOF (#642)
• Acciental import

Robustness (ROB)

• Allow extra whitespace before "obj" in readObjectHeader (#567)

Documentation (DOC)

• Link to pdftoc in Sample_Code (#628)
• Working with annotations (#764)
• Structure history

Developer Experience (DEV)

• Add issue templates (#765)
• Add tool to generate changelog

Maintenance (MAINT)

• Use grouped constants instead of string literals (#745)
• Add error module (#768)
• Use decorators for @staticmethod (#775)
• Split long functions (#777)

Testing (TST)

• Run tests in CI once with -OO Flags (#770)
• Filling out forms (#771)
• Add tests for Writer (#772)
• Error cases (#773)
• Check Error messages (#769)
• Regression test for issue #88
• Regression test for issue #327

Code Style (STY)

• Make variable naming more consistent in tests

New Contributors

• @denis-osipov made their first contribution in #359
• @malthejorgensen made their first contribution in #567
• @forrestv made their first contribution in #240
• @andrecp made their first contribution in #243
• @jc275 made their first contribution in #405
• @rltpoa made their first contribution in #642
• @vb64 made their first contribution in #628
• @thijsbrouwers made their first contribution in #603
• @malvidin made their first contribution in #414
• @mwhit74 made their first contribution in #412

Full Changelog: 1.27.5...1.27.6

Version 1.27.5, 2022-04-15

Security (SEC)

• ContentStream_readInlineImage had potential infinite loop (#740)

Bug fixes (BUG)

• Fix merging encrypted files (#757)
• CCITTFaxDecode decodeParms can be an ArrayObject (#756)

Robustness improvements (ROBUST)

• title sometimes None (#744)

Documentation (DOC)

• Adjust short description of the package

Tests and Test setup (TST)

• Rewrite JS tests from unittest to pytest (#746)
• Increase Test coverage, mainly with filters (#756)
• Add test for inline images (#758)

Developer Experience Improvements (DEV)

• Remove unused Travis-CI configuration (#747)
• Show code coverage (#754, #755)
• Add mutmut (#760)

Miscellaneous

• STY: Closing file handles, explicit exports, ... (#743)

All changes: 1.27.4...1.27.5

Version 1.27.0

Features

• Add alpha channel support for png files in Script (#614)

Bug fixes (BUG)

• Fix formatWarning for filename without slash (#612)
• Add whitespace between words for extractText() (#569, #334)
• "invalid escape sequence" SyntaxError (#522)
• Avoid error when printing warning in pythonw (#486)
• Stream operations can be List or Dict (#665)

Documentation (DOC)

• Added Scripts/pdf-image-extractor.py
• Documentation improvements (#550, #538, #324, #426, #394)

Tests and Test setup (TST)

• Add Github Action which automatically run unit tests via pytest and
  static code analysis with Flake8 (#660)
• Add several unit tests (#661, #663)
• Add .coveragerc to create coverage reports

Developer Experience Improvements (DEV)

• Pre commit: Developers can now pre-commit install to avoid tiny issues
  like trailing whitespaces

Miscallenious

• Add the LICENSE file to the distributed packages (#288)
• Use setuptools instead of distutils (#599)
• Improvements for the PyPI page (#644)
• Python 3 changes (#504, #366)

You can see the full changelog at: 1.26.0...1.27.0

Version 1.26.0

Version 1.26.0

2016-05-18

• NOTE: Active maintenance on PyPDF2 is resuming after a hiatus
• Fixed a bug where image resources where incorrectly
  overwritten when merging pages
• Added dictionary for JavaScript actions to the root _(louib)_
• Added unit tests for the JS functionality _(louib)_
• Add more Python 3 compatibility when reading inline images _(im2703
  and VyacheslavHashov)_
• Return NullObject instead of raising error when failing to resolve
  object _(ctate)_
• Don't output warning for non-zeroed xref table when strict=False
  _(BenRussert)_
• Remove extraneous zeroes from output formatting _(speedplane)_
• Fix bug where reading an inline image would cut off prematurely
  in certain cases _(speedplane)_

Patch 1.25.1

Patch 1.25.1

2015-07-20

• Fix bug when parsing inline images. Occurred when merging
  certain pages with inline images
• Fixed type error when creating outlines by utilizing the
  isString() test

Version 1.25

Version 1.25

2015-07-07

BUGFIXES:

• Added Python 3 algorithm for ASCII85Decode. Fixes issue when
  reading reportlab-generated files with Py 3. _jerickbixly_
• Recognize more escape sequence which would otherwise throw an
  exception. _manuelzs, robertsoakes_
• Fixed overflow error in generic.py. Occurred
  when reading a too-large int in Python 2. _by Raja Jamwal_
• Allow access to files which were encrypted with an empty
  password. Previously threw a "File has not been decrypted"
  exception. _Elena Williams_
• Do not attempt to decode an empty data stream. Previously
  would cause an error in decode algorithms. _vladir_
• Fixed some type issues specific to Py 2 or Py 3.
• Fix issue when stream data begins with whitespace. _soloma83_
• Recognize abbreviated filter names. _AlmightyOatmeal and
  Matthew Weiss_
• Copy decryption key from PdfFileReader to PdfFileMerger.
  Allows usage of PdfFileMerger with encrypted files. _twolfson_
• Fixed bug which occurred when a NameObject is present at end
  of a file stream. Threw a "Stream has ended unexpectedly"
  exception. _speedplane_

FEATURES:

• Initial work on a test suite; to be expanded in future.
  Tests and Resources directory added, README updated _robertsoakes_
• Added document cloning methods to PdfFileWriter:
  appendPagesFromReader, cloneReaderDocumentRoot, and
  cloneDocumentFromReader. See official documentation _robertsoakes_
• Added method for writing to form fields: updatePageFormFieldValues.
  This will be enhanced in the future. See official documentation
  _robertsoakes_
• New addAttachment method. See documentation. Support for adding
  and extracting embedded files to be enhanced in the future
  _moshekaplan_
• Added methods to get page number of given PageObject or
  Destination: getPageNumber and getDestinationPageNumber.
  See documentation _mozbugbox_

OTHER ENHANCEMENTS:

• Enhanced type handling _Brent Amrhein_
• Enhanced exception handling in NameObject _sbywater_
• Enhanced extractText method output _peircej_
• Better exception handling
• Enhanced regex usage in NameObject class _speedplane_