8000 Installing version 1.7.0 on Windows · Issue #324 · zooniverse/panoptes-python-client · GitHub
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Installing version 1.7.0 on Windows #324

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PmasonFF opened this issue Mar 26, 2025 · 0 comments
Open

Installing version 1.7.0 on Windows #324

PmasonFF opened this issue Mar 26, 2025 · 0 comments

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@PmasonFF
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The uploader in question stores the compress media file as a file_bytes io.BytesIO() file object, then attempts to add_location. This works fine with panoptes version 1.61. and 1.6.2 on windows (all be it with a libmagic WARNING). It now fails with an error:

Two cases:

Updating a Python 3.10 environment to version 1.7 on a windows machine throws this error:
Traceback (most recent call last):
File "C:\py_scripts\Scripts_Skunks\subject_uploader_tree_variable_resize_grouped_3revised_02-03-2023.py", line 203, in
subject.add_location(file_bytes)
File "C:\Users\User1\AppData\Local\Programs\Python\Python310\lib\site-packages\panoptes_client\subject.py", line 272, in add_location
media_type = magic.from_buffer(media_data, mime=True)
AttributeError: module 'magic' has no attribute 'from_buffer'

Workaround:
installing python-magic-bin after the update seems to fix it.

A clean install with Python 3.12 and installing panoptes-client 1.7.0 fails with another error:

Traceback (most recent call last):
File "C:\py_scripts _with_venv\Scripts_python_3.13\subject_uploader_tree_variable_resize_grouped_3revised_02-03-2023.py", line 203, in
subject.add_location(file_bytes)
File "C:\py_scripts _with_venv\Scripts_python_3.13\venv\Lib\site-packages\panoptes_client\subject.py", line 274, in add_location
media_type = mimetypes.guess_type(location)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\User1\AppData\Local\Programs\Python\Python311\Lib\mimetypes.py", line 307, in guess_type
return _db.guess_type(url, strict)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\User1\AppData\Local\Programs\Python\Python311\Lib\mimetypes.py", line 122, in guess_type
url = os.fspath(url)
^^^^^^^^^^^^^^
TypeError: expected str, bytes or os.PathLike object, not BytesIO

Workaround:
Again fixing the libmagic with installing python-magic-bin resolves the issue.

So you have gone from having a libmagic warning with a standard install of panoptes client on a Windows machine to a full error situation - at least when the add-location refers to a BytesIO object - likely because the fall back mime type solution does not work with BytesIO????
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