PyPI · #1516 most downloaded on PyPI

pypng

0.20220715.06.5M downloads/modrj11/pypng ↗New releases in your daily digest, changelog included.

Pure Python library for saving and loading PNG images

Last release 4 years ago
no release in 18 months
Release timing varies
gaps range from 5 months to 3.4 years
Rarely documented
notes for 2 of 22 stable releases
Nothing withdrawn
no release was ever pulled
18 years old
22 releases · first in 2009

Release timeline

22 releases since 2009

2009201120132015

Releases

0.20220715.015 Jul 2022
This project publishes no release notes. Between pypng-0.0.21 and pypng-0.20220715.0 there were 73 commits, 70 of them substantive:
This project publishes no release notes. Between pypng-0.0.21 and pypng-0.20220715.0 there were 73 commits, 70 of them substantive:

Add SHA for release 0.0.21

docs: Fix a few typos

Move code to handle bad PNM formats

Add support for plain PGM files to pripamtopng

Improve pripamtopng --help

Add --help to pipcat

Add pricatpng

Rename pricatpng to prirowpng

Add pricolpng to join in a column

Change to raise EOFError on empty file

Add release notes for EOFError change.

Extend pricolpng to handle multi-PNG streams

Add argparse to pipscalez and modernise a bit

Black pipscalez

Use "info" instead of "meta"

Refactor pipscalez by creating resize function

Handle multi-image PNG streams in pipscalez

Fiddle with options to pipscalez

Add description string to pripalpng

Clear and more direct explanation of EOFError

…and 50 more.
Open source →
0.0.2125 Aug 2021
This project publishes no release notes. Between pypng-0.0.20 and pypng-0.0.21 there were 79 commits, 68 of them substantive:
This project publishes no release notes. Between pypng-0.0.20 and pypng-0.0.21 there were 79 commits, 68 of them substantive:

Update release procedure

Withdraw support for Python 2

Simplify by removing Python 2 code

Remove unused struct import

Fix error in example code

Add Trove classifier for Python 3.8

Fix "value" to "values" typo

Add license in setup.py

Convert pipcat to Python 3

Convert texttopng.py to Python 3

Reflow documentation

drop Python 3.4, minor optimization, clean imports

Remove flake8 problems from iccp.py

test_png: Use array.tobytes to fix py3.9 compatibility

Remove test modules from runtime distribution

test: Fail when Writer.write.i is unbound

fix: Raise local var scope so it is available later

fix: Raise correct ProtocolError on empty write

fix: Writer.write() consistently returns count of rows written

Minor doc edits to prichunkpng

…and 48 more.

0.0.2016 Jul 2019

Release for tag pypng-0.0.20

Open source →

Additional notes

This project publishes no release notes. Between pypng-0.0.19 and pypng-0.0.20 there were 201 commits, 191 of them substantive:

Add entry for release 0.0.19
Edit release procedure
Remove Python 2.6 from Travis
Remove props for supporting Python 2.6
Remove bytes_per_sample
Update trove classifiers
Update supported Python versions in README
Add release notes that Python 2.ancient is dropped
Reflow module comment
use .assertIn and .assertIsInstance where possible
Use local functions for lexer states
Remove untested Cython code
Update notes on Cython
Change greyscale default to be (mostly) True
Fix PNM lexer for Python 3
Command Line parser for pripalpng
Convert RGB images
Format using black
Use input as its own palette when option omitted
Read PNG as 8-bit

…and 171 more.

Open source →

0.0.194 Jan 2019

This project publishes no release notes. Between pypng-0.0.18 and pypng-0.0.19 there were 250 commits, 233 of them substantive:

This project publishes no release notes. Between pypng-0.0.18 and pypng-0.0.19 there were 250 commits, 233 of them substantive:

Dockerise the release procedure
Rename to .md
Add some markdown formatting
Markdown for lists
More markdown
Bump the minimum Python version to 2.7
Remove support for older Python versions
Remove strtobytes()
convert many strings to bytes
Convert more strings to bytes
Remove stray apostrophe
Deemphasise "recent".
Use io.BytesIO unconditionally
Change to Python 2.7 in metadata
Move test_suite to distutils specific section
fix test_suite key in conf
put prepare3() back in; still required for 3.4
Make texttopng 2 and 3 compatible
Conver png.py to 2 and 3
Convert iterators to lists

…and 213 more.

Open source →

0.0.1831 Jul 2015

This project publishes no release notes. Between pypng-0.0.17 and pypng-0.0.18 there were 33 commits, 21 of them substantive:

This project publishes no release notes. Between pypng-0.0.17 and pypng-0.0.18 there were 33 commits, 21 of them substantive:

add commit for release 0.0.17 to version control
run tests if invoked as command line tool
test write_pnm, as per issue #26
encode PNM header; fixes issue 26
draft release notes for issue #26
fix typos and minor edits
minor refactoring
Support 3-dimensional iterators in from_array
Updated curl flags
Remove unused variable
Remove unused import
Fix undefined name "tag"
Add pHYs handling in Reader and Writer classes
Create tests for various chunk errors
Fix triple quoted strings
Use WORKDIR in Dockerfile
Test (fails) that uses a numpy palette
Coerce palette to list
Add test for 3D from_array
Notes sean's contribution

…and 1 more.

Open source →

0.0.1727 May 2014

Release for tag pypng-0.0.17

Open source →

Additional notes

This project publishes no release notes. Between pypng-0.0.16 and pypng-0.0.17 there were 63 commits, 59 of them substantive:

Record of released commits
urchin tests for running in Python 2 and Python 3.
Typo
Remove many bare "except:".
Oopsie; corrected so that it runs setup_dir in urchin tests.
Avoid writing files in tests.
Rev is no more.
Removing changelog comment.
.gitignore.
Warning handled for Python3: DeprecationWarning: tostring() is deprecated. Use tobytes() instead.
Catch both IndexError and TypeError (tests now pass with numpy).
Reflow docstrings to 72 column limit and fix some minor PEP-8
Move png tests into test_png.py and the related PngSuite into
Remove prefix from Error classes.
Removing commented out code.
Move check_color out into top-level function.
minor edit joining not-so-long lines.
abstract into check_sizes() function.
Move bitdepth/colortype check into its own function, and split
separate _process_XXXX method for each chunk type.

…and 39 more.

Open source →

0.0.164 Oct 2013

This project publishes no release notes. Between pypng-0.0.15 and pypng-0.0.16 there were 28 commits, 25 of them substantive:

This project publishes no release notes. Between pypng-0.0.15 and pypng-0.0.16 there were 28 commits, 25 of them substantive:

setup.py: Read version directly from png.py without importing
Removing SVN keywords.
typo.
Added texttopng --help option
typo / bugfix
Create output file based on text string.
Handle newlines in text for texttopng.
Added cute example to texttopng.
Added support for StringIO, for StringIO is file-string-mapper.
Decided to check without an "import", using try/except and class-name for a test.
Added try/except around detection.
Changed check from hard 'StringIO' to more flexible and useable attribute-check on 'read', for file-objects.
proper tabbing.
Rename testWithIO to avoid confusing poor little nosetests.
Make compatible with nose.
Correct filter test (which now fails).
Fix implementation of "up" filter on first line.
TABs are EVIL!
Remove slightly pointless test which was failing in Python 3.
Edit version in png.py not setup.py

…and 5 more.

Open source →