20231228

Added

• Output converter for the hOCR format (#651)
• Font name aliases for Arial, Courier New and Times New Roman (#790)
• Documentation on why special characters can sometimes not be extracted (#829)
• Storing Bezier path and dashing style of line in LTCurve (#801)

Fixed

• Broken CI/CD pipeline by setting upper version limit for black, mypy, pip and setuptools (#921)
• flake8 failures (#921)
• ValueError when bmp images with 1 bit channel are decoded (#773)
• ValueError when trying to decrypt empty metadata values (#766)
• Sphinx errors during building of documentation (#760)
• TypeError when getting default width of font (#720)
• Installing typing-extensions on Python 3.6 and 3.7 (#775)
• TypeError in cmapdb.py when parsing null characters (#768)
• Color "convenience operators" now (per spec) also set color space (#794)
• ValueError when extracting images, due to breaking changes in Pillow (#827)
• Small typo's and issues in the documentation (#828)
• Ignore non-Unicode cmaps in TrueType fonts (#806)

Changed

• Using non-hardcoded version string and setuptools-git-versioning to enable installation from source and building on Python 3.12 (#922)

Deprecated

• Usage of if __name__ == "__main__" where it was only intended for testing purposes (#756)

Removed

• Support for Python 3.6 and 3.7 because they are end-of-life (#923)

20221105

Added

• Output converter for the hOCR format (#651)
• Font name aliases for Arial, Courier New and Times New Roman (#790)
• Documentation on why special characters can sometimes not be extracted (#829)

Fixed

• ValueError when bmp images with 1 bit channel are decoded (#773)
• ValueError when trying to decrypt empty metadata values (#766)
• Sphinx errors during building of documentation (#760)
• TypeError when getting default width of font (#720)
• Installing typing-extensions on Python 3.6 and 3.7 (#775)
• TypeError in cmapdb.py when parsing null characters (#768)
• Color "convenience operators" now (per spec) also set color space (#794)
• ValueError when extracting images, due to breaking changes in Pillow (#827)
• Small typo's and issues in the documentation (#828)

Deprecated

• Usage of if __name__ == "__main__" where it was only intended for testing purposes (#756)

20220524

Fixed

• Ignoring (invalid) path constructors that do not begin with m (#749)

Changed

• Removed upper version bounds (#755)

20220506

Fixed

• IndexError when handling invalid bfrange code map in
  CMap (#731)
• TypeError in lzw.py when self.table is not set (#732)
• TypeError in encodingdb.py when name of unicode is not
  str (#733)
• TypeError in HTMLConverter when using a bytes fontname (#734)

Added

• Exporting images without any specific encoding (#737)

Changed

• Using charset-normalizer instead of chardet for less restrictive license (#744)

20220319

Added

• Export type annotations from pypi package per PEP561 (#679)
• Support for identity cmap's (#626)
• Add support for PDF page labels (#680)
• Installation of Pillow as an optional extra dependency (#714)

Fixed

• Hande decompression error due to CRC checksum error (#637)
• Regression (since 20191107) in LTLayoutContainer.group_textboxes that returned some text lines out of order (#659)
• Add handling of JPXDecode filter to enable extraction of images for some pdfs (#645)
• Fix extraction of jbig2 files, which was producing invalid files (#652)
• Crash in pdf2txt.py --boxes-flow=disabled (#682)
• Only use xref fallback if PDFNoValidXRef is raised and fallback is True (#684)
• Ignore empty characters when analyzing layout (#499)

Changed

• Replace warnings.warn with logging.Logger.warning in line with recommended use (#673)
• Switched from nose to pytest, from tox to nox and from Travis CI to GitHub Actions (#704)

Removed

• Unnecessary return statements without argument at the end of functions (#707)

20211012

Added

• Add support for PDF 2.0 (ISO 32000-2) AES-256 encryption (#614)
• Support for Paeth PNG filter compression (predictor value = 4) (#537)
• Type annotations (#661)

Fixed

• KeyError when 'Encrypt' but not 'ID' present in trailer (#594)
• Fix issue of ValueError and KeyError rasied in PDFdocument and PDFparser (#573)
• Fix issue of TypeError: cannot unpack non-iterable PDFObjRef object, when unpacking the value of 'DW2' (#529)
• Fix PermissionError when creating temporary filepaths on windows when running tests (#484)
• Fix AttributeError when dumping a TOC with bytes destinations (#600)
• Fix issue of some Chinese characters can not be extracted correctly (#593)
• Detecting trailer correctly when surrounded with needless whitespace (#535)
• Fix .paint_path logic for handling single line segments and extracting point-on-curve positions of Beziér path commands (#530)
• Raising UnboundLocalError when a bad --output-type is used (#610)
• TypeError when using TagExtractor with non-string or non-bytes tag values (#610)
• Using io.TextIOBase as the file to write to (#616)
• Parsing \r\n after the escape character in a literal string (#616)

Removed

• Support for Python 3.4 and 3.5 (#522)
• Unused dependency on sortedcontainers package (#525)
• Support for non-standard output streams that are not binary (#523)
• Dependency on typing-extensions introduced by #661 (#677)

20201018

Deprecated

• Support for Python 3.4 and 3.5 (#503)

Added

• Option to disable boxes flow layout analysis when using pdf2txt (#479)
• Support for pathlib.PurePath in open_filename (#491)

Fixed

• Pass caching parameter to PDFResourceManager in high_level functions (#475)
• Fix .paint_path logic for handling non-rect quadrilaterals and decomposing complex paths (#473)
• Fix out-of-bound access on some PDFs (#483)

Removed

• Remove unused rijndael encryption implementation (#465)

20200726

Fixed

• Rename PDFTextExtractionNotAllowedError to PDFTextExtractionNotAllowed to revert breaking change (#461)
• Always try to get CMap, not only for identity encodings (#438)

20200720

Added

• Support for painting multiple rectangles at once (#371)

Fixed

• Validate image object in do_EI is a PDFStream (#451)

Changed

• Hiding fallback xref by default from dumppdf.py output (#431)
• Raise a warning instead of an error when extracting text from a non-extractable PDF (#350)
• Switched from pycryptodome to cryptography package for AES decryption (#456)

20200517

Added

• Python3 shebang line to script in tools (408

Fixed

• Fix ordering of textlines within a textbox when boxes_flow=None (#411)