Pypdf2

Latest version: v3.0.1

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2.2.0

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What's Changed

The 2.2.0 release improves text extraction (969 - again by pubpub-zz 🙏):

* Improvements around /Encoding / /ToUnicode
* Extraction of CMaps improved
* Fallback for font def missing
* Support for /Identity-H and /Identity-V: utf-16-be
* Support for /GB-EUC-H / /GB-EUC-V / GBp/c-EUC-H / /GBpc-EUC-V (beta release for evaluation)
* Arabic (for evaluation)
* Whitespace extraction improvements

Those changes should mainly improve the text extraction for non-ASCII alphabets,
e.g. Russian / Chinese / Japanese / Korean / Arabic.

Full Changelog: https://github.com/py-pdf/PyPDF2/compare/2.1.1...2.2.0

2.1.1

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What's Changed

New Features (ENH)
- Add support for pathlib as input for PdfReader (979)

Performance Improvements (PI)
- Optimize read_next_end_line (646)

Bug Fixes (BUG)
- Adobe Acrobat \'Would you like to save this file?\' (970)

Documentation (DOC)
- Notes on annotations (982)
- Who uses PyPDF2
- intendet \xe2\x9e\x94 in robustness page (958)

Maintenance (MAINT)
- pre-commit / requirements.txt updates (977)
- Mark read_next_end_line as deprecated (965)
- Export `PageObject` in PyPDF2 root (960)

Testing (TST)
- Add MCVE of issue 416 (980)
- FlateDecode.decode decodeParms (964)
- Xmp module (962)
- utils.paeth_predictor (959)

Code Style (STY)
- Use more tuples and list/dict comprehensions (976)

New Contributors
* Kreusada made their first contribution in https://github.com/py-pdf/PyPDF2/pull/958
* xilopaint made their first contribution in https://github.com/py-pdf/PyPDF2/pull/960
* ztravis made their first contribution in https://github.com/py-pdf/PyPDF2/pull/646

**Full Changelog**: https://github.com/py-pdf/PyPDF2/compare/2.1.0...2.1.1

2.1.0

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What's Changed
The highlight of the 2.1.0 release is the most massive improvement to the
text extraction capabilities of PyPDF2 since 2016 🥳🎊 A very big thank you goes
to [pubpub-zz](https://github.com/pubpub-zz) who took a lot of time and
knowledge about the PDF format to finally get those improvements into PyPDF2.
Thank you 🤗💚

In case the new function causes any issues, you can use `_extract_text_old`
for the old functionality. Please also open a bug ticket in that case.

There were several people who have attempted to bring similar improvements to
PyPDF2. All of those were valuable. The main reason why they didn't get merged
is the big amount of open PRs / issues. pubpub-zz was the most comprehensive
PR which also incorporated the latest changes of PyPDF2 2.0.0.

Thank you to [VictorCarlquist](https://github.com/VictorCarlquist) for #858 and
[asabramo](https://github.com/asabramo) for #464 🤗

New Features (ENH)
- Massive text extraction improvement (924). Closed many open issues:
- Exceptions / missing spaces in extract_text() method (17) 🕺
- Whitespace issues in extract_text() (42) 💃
- pypdf2 reads the hifenated words in a new line (246)
- PyPDF2 failing to read unicode character (37)
- Unable to read bullets (230)
- ExtractText yields nothing for apparently good PDF (168) 🎉
- Encoding issue in extract_text() (235)
- extractText() doesn't work on Chinese PDF (252)
- encoding error (260)
- Trouble with apostophes in names in text "O'Doul" (384)
- extract_text works for some PDF files, but not the others (437)
- Euro sign not being recognized by extractText (443)
- Failed extracting text from French texts (524)
- extract_text doesn't extract ligatures correctly (598)
- reading spanish text - mark convert issue (635)
- Read PDF changed from text to random symbols (654)
- .extractText() reads / as 1. (789)
- Update glyphlist (947) - inspired by 464
- Allow adding PageRange objects (948)

Bug Fixes (BUG)
- Delete .python-version file (944)
- Compare StreamObject.decoded_self with None (931)

Robustness (ROB)
- Fix some conversion errors on non conform PDF (932)

Documentation (DOC)
- Elaborate on PDF text extraction difficulties (939)
- Add logo (942)
- rotate vs Transformation().rotate (937)
- Example how to use PyPDF2 with AWS S3 (938)
- How to deprecate (930)
- Fix typos on robustness page (935)
- Remove scripts (pdfcat) from docs (934)

Developer Experience (DEV)
- Ignore .python-version file
- Mark deprecated code with no-cover (943)
- Automatically create Github releases from tags (870)

Testing (TST)
- Text extraction for non-latin alphabets (954)
- Ignore PdfReadWarning in benchmark (949)
- writer.remove_text (946)
- Add test for Tree and _security (945)

Code Style (STY)
- black, isort, Flake8, splitting buildCharMap (950)

Full Changelog: https://github.com/py-pdf/PyPDF2/compare/2.0.0...2.1.0

New Contributors
* chrisdonlan made their first contribution in https://github.com/py-pdf/PyPDF2/pull/931
* 2e0byo made their first contribution in https://github.com/py-pdf/PyPDF2/pull/870
* HarHarLinks made their first contribution in https://github.com/py-pdf/PyPDF2/pull/944

**Full Changelog**: https://github.com/py-pdf/PyPDF2/compare/2.0.0...2.1.0

2.0.0

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and variable-names as well as using properties instead of getter-methods.

Maintenance (MAINT):
- Remove IronPython Fallback for zlib (868)

Full Changelog: https://github.com/py-pdf/PyPDF2/compare/1.27.12...1.27.13

Deprecations (DEP)

* Make the `PyPDF2.utils` module private
* Rename of core classes:
* PdfFileReader ➔ PdfReader
* PdfFileWriter ➔ PdfWriter
* PdfFileMerger ➔ PdfMerger
* Use PEP8 conventions for function names and parameters
* If a property and a getter-method are both present, use the property

Details

In many places:
- getObject ➔ get_object
- writeToStream ➔ write_to_stream
- readFromStream ➔ read_from_stream

PyPDF2.generic
- readObject ➔ read_object
- convertToInt ➔ convert_to_int
- DocumentInformation.getText ➔ DocumentInformation._get_text :
This method should typically not be used; please let me know if you need it.

PdfReader class:
- `reader.getPage(pageNumber)` ➔ `reader.pages[page_number]`
- `reader.getNumPages()` / `reader.numPages` ➔ `len(reader.pages)`
- getDocumentInfo ➔ metadata
- flattenedPages attribute ➔ flattened_pages
- resolvedObjects attribute ➔ resolved_objects
- xrefIndex attribute ➔ xref_index
- getNamedDestinations / namedDestinations attribute ➔ named_destinations
- getPageLayout / pageLayout ➔ page_layout attribute
- getPageMode / pageMode ➔ page_mode attribute
- getIsEncrypted / isEncrypted ➔ is_encrypted attribute
- getOutlines ➔ get_outlines
- readObjectHeader ➔ read_object_header (TODO: read vs get?)
- cacheGetIndirectObject ➔ cache_get_indirect_object (TODO: public vs private?)
- cacheIndirectObject ➔ cache_indirect_object (TODO: public vs private?)
- getDestinationPageNumber ➔ get_destination_page_number
- readNextEndLine ➔ read_next_end_line
- _zeroXref ➔ _zero_xref
- _authenticateUserPassword ➔ _authenticate_user_password
- _pageId2Num attribute ➔ _page_id2num
- _buildDestination ➔ _build_destination
- _buildOutline ➔ _build_outline
- _getPageNumberByIndirect(indirectRef) ➔ _get_page_number_by_indirect(indirect_ref)
- _getObjectFromStream ➔ _get_object_from_stream
- _decryptObject ➔ _decrypt_object
- _flatten(..., indirectRef) ➔ _flatten(..., indirect_ref)
- _buildField ➔ _build_field
- _checkKids ➔ _check_kids
- _writeField ➔ _write_field
- _write_field(..., fieldAttributes) ➔ _write_field(..., field_attributes)
- _read_xref_subsections(..., getEntry, ...) ➔ _read_xref_subsections(..., get_entry, ...)

PdfWriter class:
- `writer.getPage(pageNumber)` ➔ `writer.pages[page_number]`
- `writer.getNumPages()` ➔ `len(writer.pages)`
- addMetadata ➔ add_metadata
- addPage ➔ add_page
- addBlankPage ➔ add_blank_page
- addAttachment(fname, fdata) ➔ add_attachment(filename, data)
- insertPage ➔ insert_page
- insertBlankPage ➔ insert_blank_page
- appendPagesFromReader ➔ append_pages_from_reader
- updatePageFormFieldValues ➔ update_page_form_field_values
- cloneReaderDocumentRoot ➔ clone_reader_document_root
- cloneDocumentFromReader ➔ clone_document_from_reader
- getReference ➔ get_reference
- getOutlineRoot ➔ get_outline_root
- getNamedDestRoot ➔ get_named_dest_root
- addBookmarkDestination ➔ add_bookmark_destination
- addBookmarkDict ➔ add_bookmark_dict
- addBookmark ➔ add_bookmark
- addNamedDestinationObject ➔ add_named_destination_object
- addNamedDestination ➔ add_named_destination
- removeLinks ➔ remove_links
- removeImages(ignoreByteStringObject) ➔ remove_images(ignore_byte_string_object)
- removeText(ignoreByteStringObject) ➔ remove_text(ignore_byte_string_object)
- addURI ➔ add_uri
- addLink ➔ add_link
- getPage(pageNumber) ➔ get_page(page_number)
- getPageLayout / setPageLayout / pageLayout ➔ page_layout attribute
- getPageMode / setPageMode / pageMode ➔ page_mode attribute
- _addObject ➔ _add_object
- _addPage ➔ _add_page
- _sweepIndirectReferences ➔ _sweep_indirect_references

PdfMerger class
- `__init__` parameter: strict=True ➔ strict=False (the PdfFileMerger still has the old default)
- addMetadata ➔ add_metadata
- addNamedDestination ➔ add_named_destination
- setPageLayout ➔ set_page_layout
- setPageMode ➔ set_page_mode

Page class:
- artBox / bleedBox/ cropBox/ mediaBox / trimBox ➔ artbox / bleedbox/ cropbox/ mediabox / trimbox
- getWidth, getHeight ➔ width / height
- getLowerLeft_x / getUpperLeft_x ➔ left
- getUpperRight_x / getLowerRight_x ➔ right
- getLowerLeft_y / getLowerRight_y ➔ bottom
- getUpperRight_y / getUpperLeft_y ➔ top
- getLowerLeft / setLowerLeft ➔ lower_left property
- upperRight ➔ upper_right
- mergePage ➔ merge_page
- rotateClockwise / rotateCounterClockwise ➔ rotate_clockwise
- _mergeResources ➔ _merge_resources
- _contentStreamRename ➔ _content_stream_rename
- _pushPopGS ➔ _push_pop_gs
- _addTransformationMatrix ➔ _add_transformation_matrix
- _mergePage ➔ _merge_page

XmpInformation class:
- getElement(..., aboutUri, ...) ➔ get_element(..., about_uri, ...)
- getNodesInNamespace(..., aboutUri, ...) ➔ get_nodes_in_namespace(..., aboutUri, ...)
- _getText ➔ _get_text

utils.py:
- matrixMultiply ➔ matrix_multiply
- RC4_encrypt is moved to the security module

What's Changed
* MAINT: Remove IronPython Fallback for zlib by MartinThoma in https://github.com/py-pdf/PyPDF2/pull/868
* DEP: Class, variable, and module names by MartinThoma in https://github.com/py-pdf/PyPDF2/pull/867


**Full Changelog**: https://github.com/py-pdf/PyPDF2/compare/1.27.12...1.28.0

1.28.6

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This is a bugfix for the old 1.x branch of PyPDF2 that still supports Python 2. Please try to update to the latest `PyPDF2 > 2.0.0` version to get way better text extraction, support for modern encryption, and much more.

What's Changed
* BUG: Adjust 'super' calls for Python 2 by omit66 in https://github.com/py-pdf/PyPDF2/pull/1335

New Contributors
* omit66 made their first contribution in https://github.com/py-pdf/PyPDF2/pull/1335

**Full Changelog**: https://github.com/py-pdf/PyPDF2/compare/1.28.5...1.28.6

1.28.5

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What's Changed
* BUG: Add missing deprecated EncodedStreamObject functions by MasterOdin in https://github.com/py-pdf/PyPDF2/pull/1140


**Full Changelog**: https://github.com/py-pdf/PyPDF2/compare/1.28.4...1.28.5

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