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PyMuPDF versions lower than 1.22.5 pass the tesseract data path as an argument to `pixmap.pdfocr_tobytes()` [1], but lower versions require setting instead the TESSDATA_PREFIX environment variable [2]. Because on Qubes the pixels to pdf conversion happens on the host and Qubes has a lower PyMuPDF package version, we need to pass instead via environment variable. NOTE: the TESSDATA_PREFIX env. variable was set in dangerzone-cli instead of closer to the calling method in `doc_to_pixels.py` since PyMuPDF reads this variable as soon as the fitz module is imported [3][4]. [1]: https://pymupdf.readthedocs.io/en/latest/pixmap.html#Pixmap.pdfocr_tobytes [2]: https://pymupdf.readthedocs.io/en/latest/installation.html#enabling-integrated-ocr-support [3]: https://github.com/pymupdf/PyMuPDF/discussions/2439 [4]: https://github.com/pymupdf/PyMuPDF/blob/5d6a7db/src/__init__.py#L159 Fixes #682
17 lines
518 B
Python
Executable file
17 lines
518 B
Python
Executable file
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import os
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import sys
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# XXX workaround lack of tessdata path arg for PyMuPDF < v1.22.5
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# for context see https://github.com/freedomofpress/dangerzone/issues/682
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os.environ["TESSDATA_PREFIX"] = os.environ.get("TESSDATA_PREFIX", "/usr/share/tesseract/tessdata")
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# Load dangerzone module and resources from the source code tree
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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sys.dangerzone_dev = True
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import dangerzone
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dangerzone.main()
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