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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Fails on import with custom exception","articleBody":"On Windows, without git available on path, the following happens on import of GitPython:\r\n```python\r\n[package stack]\r\n    from git.exc import GitError\r\n  File \"C:\\Miniconda3\\lib\\site-packages\\git\\__init__.py\", line 45, in \u003cmodule\u003e\r\n    from git.repo import Repo               # @NoMove @IgnorePep8\r\n  File \"C:\\Miniconda3\\lib\\site-packages\\git\\repo\\__init__.py\", line 4, in \u003cmodule\u003e\r\n    from .base import *\r\n  File \"C:\\Miniconda3\\lib\\site-packages\\git\\repo\\base.py\", line 31, in \u003cmodule\u003e\r\n    from git.remote import Remote, add_progress, to_progress_instance\r\n  File \"C:\\Miniconda3\\lib\\site-packages\\git\\remote.py\", line 190, in \u003cmodule\u003e\r\n    class FetchInfo(object):\r\n  File \"C:\\Miniconda3\\lib\\site-packages\\git\\remote.py\", line 219, in FetchInfo\r\n    v = Git().version_info[:2]\r\n  File \"C:\\Miniconda3\\lib\\site-packages\\git\\cmd.py\", line 461, in version_info\r\n    return self._version_info\r\n  File \"C:\\Miniconda3\\lib\\site-packages\\git\\cmd.py\", line 424, in __getattr__\r\n    return LazyMixin.__getattr__(self, name)\r\n  File \"C:\\Miniconda3\\lib\\site-packages\\gitdb\\util.py\", line 256, in __getattr__\r\n    self._set_cache_(attr)\r\n  File \"C:\\Miniconda3\\lib\\site-packages\\git\\cmd.py\", line 444, in _set_cache_\r\n    version_numbers = self._call_process('version').split(' ')[2]\r\n  File \"C:\\Miniconda3\\lib\\site-packages\\git\\cmd.py\", line 877, in _call_process\r\n    return self.execute(call, **exec_kwargs)\r\n  File \"C:\\Miniconda3\\lib\\site-packages\\git\\cmd.py\", line 602, in execute\r\n    raise GitCommandNotFound(command, err)\r\ngit.exc.GitCommandNotFound: Cmd('git') not found due to: FileNotFoundError('[WinError 2] The system cannot find the file specified')\r\n  cmdline: git version\r\n```\r\n\r\nSince it fails while trying to import the exception type that it raises (`GitError`), the only way to catch the error is with a `try: ... except Exception:` block, which is needlessly wide. It would be nice if a better pattern was available for conditional use of the package.","author":{"url":"https://github.com/vidartf","@type":"Person","name":"vidartf"},"datePublished":"2017-06-12T15:41:44.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/637/GitPython/issues/637"}