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img2pdf/HACKING

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Running img2pdf from source
---------------------------
img2pdf can be run directly from the cloned git repository:
$ python3 src/img2pdf.py img.jpg -o out.pdf
Running the testsuite
---------------------
$ python3 setup.py test
Fixing the testsuite
--------------------
Sometimes your changes will break the testsuite. The testsuite works by
comparing the images found in `src/tests/input` with the corresponding PDF
documents in `src/tests/output`. The filename of the output file will be the
same name the input has with the `.pdf` suffix appended to it. To generate the
files in the `src/tests/output` directory via the command line, run:
$ src/img2pdf.py --producer="" --nodate src/tests/input/normal.jpg -o src/tests/output/normal.jpg.pdf
This makes it easier to spot where the differences are and how to fix the
issue.
Making a new release
--------------------
- Add a new entry to CHANGES.rst
- Bump VERSION in setup.py
- Bump __version__ in src/img2pdf.py
- Commit:
$ git commit -m "release version X.Y.Z"
- Add git tag:
$ git tag X.Y.Z
- Build and upload to pypi:
$ python3 setup.py sdist bdist_wheel
$ twine upload --sign dist/*