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ImageWriter can't be instanciated #138

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opened 2021年12月24日 12:00:01 +01:00 by arthuRHD · 1 comment
arthuRHD commented 2021年12月24日 12:00:01 +01:00 (Migrated from github.com)
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Env:

  • python-barcode v0.13.1
  • python 3.8.10

Whenever I try to store a picture without the default SVG writer, tjis error shows up

>>> iw = ImageWriter(format="PNG")
Traceback (most recent call last):
 File "<stdin>", line 1, in <module>
TypeError: 'NoneType' object is not callable

After looking at the code, there is an IF statement that prevent the class declaration in barcode/writer.py at line 330.

if Image is None:
 ImageWriter = None
else:
 class ImageWriter(BaseWriter): # type: ignore
 format: str
 mode: str
 dpi: int
 ...
Env: - python-barcode v0.13.1 - python 3.8.10 Whenever I try to store a picture without the default SVG writer, tjis error shows up ``` >>> iw = ImageWriter(format="PNG") Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: 'NoneType' object is not callable ``` After looking at the code, there is an IF statement that prevent the class declaration in barcode/writer.py at line 330. ``` if Image is None: ImageWriter = None else: class ImageWriter(BaseWriter): # type: ignore format: str mode: str dpi: int ... ```
arthuRHD commented 2021年12月24日 13:25:15 +01:00 (Migrated from github.com)
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nvm, should had checked the head of the file. Everything is fixed when I installed PIL.

It would be nice to include PIL as a package requirement.

nvm, should had checked the head of the file. Everything is fixed when I installed PIL. It would be nice to include PIL as a package requirement.
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WhyNotHugo/python-barcode#138
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