Log message:
py-pdf: this now actually requires flit_core>=3.9

It will fail with anything older. Reported upstream as:
https://github.com/py-pdf/pypdf/pull/2091

Log message:
py-pdf: updated to 3.14.0

Version 3.14.0, 2023-07-29

New Features (ENH)
-  Accelerate image list keys generation
-  Use `cryptography` for encryption/decryption as a fallback for PyCryptodome
-  Extract LaTeX characters
-  ASCIIHexDecode.decode now returns bytes instead of str

Bug Fixes (BUG)
-  Add RunLengthDecode filter
-  Process /Separation ColorSpace
-  Handle single element ColorSpace list
-  Process lookup decoded as TextStringObjects

Robustness (ROB)
-  Cope with garbage collector during cloning

Maintenance (MAINT)
-  Cleanup of annotations

Version 3.13.0, 2023-07-23

New Features (ENH)
-  Add is_open in outlines in PdfReader and PdfWriter

Bug Fixes (BUG)
-  Search /DA in hierarchy fields
-  Cope with different ISO date length
-  Decode Black only/CMYK deviceN images
-  Process CMYK in deflate images

Developer Experience (DEV)
-  Add mypy to pre-commit
-  Release automation

Log message:
py-pdf: update to 3.12.2.

## Version 3.12.2, 2023-07-16

### Bug Fixes (BUG)
-  Accept calRGB and calGray color_spaces (#1968)
-  Process 2bits and 4bits images (#1967)
-  Check for AcroForm and ensure it is not None (#1965)

### Developer Experience (DEV)
-  Automate the release process (#1970)

Log message:
py-pdf: update to 3.12.1.

## Version 3.12.1, 2023-07-09

### Bug Fixes (BUG)
-  Prevent updating page contents after merging page (stamping/watermarking) (#1952)
-  % to be hex encoded in names (#1958)
-  Inverse color in CMYK images (#1947)
-  Dates conversion not working with Z00\'00\' (#1946)
-  Support UTF-16-LE Strings (#1884)

Log message:
py-pdf: update to 3.12.0.

3.12.0

What's Changed

We finally fully support modern cryptography for encrypting and decrypting PDF files.
A big thank you to @exiledkingcc who did this work a while a go 🙏

New Features (ENH)

    Add AES support for encrypting PDF files (#1918, #1935, #1936, #1938) by \ 
@exiledkingcc
    Add page deletion feature to PdfWriter (#1843) by @pubpub-zz

Bug Fixes (BUG)

    PdfReader.get_fields() attempts to delete non-existing index \ 
"/Off" (#1933) by @dmjohnsson23
    Remove unused objects when cloning_from (#1926) by @pubpub-zz
    Add the TK.SIZE into the trailer (#1911) by @talcher
    add_named_destination() maintains named destination list sort order (#1930) \ 
by @robertkearns

3.11.1

Bug Fixes (BUG)

    Cascaded filters in image objects (#1913) by @pubpub-zz
    Append pdf with named destination using numbers for pages (#1858) by @pubpub-zz
    Ignore "/B" fields only on pages in PdfWriter.append() (#1875) by \ 
@pubpub-zz

Log message:
py-pdf: update to 3.11.0.

## Version 3.11.0, 2023-06-23

### New Features (ENH)
-  Add page_number property (#1856)

### Bug Fixes (BUG)
- File expansion when updating with Page Contents (#1906)
- Missing Alternate in indexed/ICCbased colorspaces (#1896)

## Version 3.10.0, 2023-06-18

### New Features (ENH)
-  Extraction of inline images (#1850)
-  Add capability to replace image (#1849)
-  Extend images interface by returning an ImageFile(File) class (#1848)
-  Add set_data to EncodedStreamObject (#1854)

### Bug Fixes (BUG)
-  Fix RGB FlateEncode Images(PNG) and transparency (#1834)
-  Generate static appearance for fields (#1864)

Log message:
py-pdf: updated to 3.9.1

Version 3.9.1, 2023-06-04

Deprecations (DEP)
- Deprecate PdfMerger

Bug Fixes (BUG)
- Ignore UTF-8 decode errors

Robustness (ROB)
- Handle missing /Type entry in Page tree

Log message:
py-pdf: not for Python 2

Log message:
textproc/py-pdf: import py-pdf-3.9.0

pypdf is a free and open-source pure-python PDF library capable of
splitting, merging, cropping, and transforming the pages of PDF
files. It can also add custom data, viewing options, and passwords
to PDF files. pypdf can retrieve text and metadata from PDFs as
well.