René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"savefig and path.py","articleBody":"### Bug report\r\n\r\n**Bug summary**\r\n\r\nMatplotlib now supports Path-like objets like `pathlib.Path`, but it broke the support for `Path` objects from path.py.\r\n\r\n**Code for reproduction**\r\n\r\n\u003c!--A minimum code snippet required to reproduce the bug, also minimizing the number of dependencies required--\u003e\r\n\r\n```python\r\nimport matplotlib.pyplot as plt\r\n\r\nfig = plt.figure()\r\nax = fig.add_subplot(111)\r\nax.plot([1, 2, 3])\r\n\r\n# Works with a string\r\nfig.savefig(\"toto.png\")\r\n\r\n# Works with pathlib\r\nfrom pathlib import Path\r\nfig.savefig(Path(\"toto.png\"))\r\n\r\n# Fails with path.py\r\nfrom path import Path\r\nfig.savefig(Path(\"toto.png\"))\r\n```\r\n\r\n**Actual outcome**\r\n\r\n\u003c!--The output produced by the above code, which may be a screenshot, console output, etc.--\u003e\r\n\r\n```\r\nTraceback (most recent call last):\r\n  File \"mplbug.py\", line 20, in \u003cmodule\u003e\r\n    fig.savefig(Path(\"toto.png\"))\r\n  File \"D:\\data\\Miniconda3\\lib\\site-packages\\matplotlib\\figure.py\", line 2035, in savefig\r\n    self.canvas.print_figure(fname, **kwargs)\r\n  File \"D:\\data\\Miniconda3\\lib\\site-packages\\matplotlib\\backends\\backend_qt5agg.py\", line 94, in print_figure\r\n    super(FigureCanvasQTAgg, self).print_figure(*args, **kwargs)\r\n  File \"D:\\data\\Miniconda3\\lib\\site-packages\\matplotlib\\backend_bases.py\", line 2263, in print_figure\r\n    **kwargs)\r\n  File \"D:\\data\\Miniconda3\\lib\\site-packages\\matplotlib\\backends\\backend_agg.py\", line 526, in print_png\r\n    with cbook.open_file_cm(filename_or_obj, \"wb\") as fh:\r\n  File \"D:\\data\\Miniconda3\\lib\\contextlib.py\", line 81, in __enter__\r\n    return next(self.gen)\r\n  File \"D:\\data\\Miniconda3\\lib\\site-packages\\matplotlib\\cbook\\__init__.py\", line 624, in open_file_cm\r\n    fh, opened = to_filehandle(path_or_file, mode, True, encoding)\r\n  File \"D:\\data\\Miniconda3\\lib\\site-packages\\matplotlib\\cbook\\__init__.py\", line 598, in to_filehandle\r\n    flag=flag, return_opened=return_opened, encoding=encoding)\r\n  File \"D:\\data\\Miniconda3\\lib\\site-packages\\matplotlib\\cbook\\__init__.py\", line 598, in to_filehandle\r\n    flag=flag, return_opened=return_opened, encoding=encoding)\r\n  File \"D:\\data\\Miniconda3\\lib\\site-packages\\matplotlib\\cbook\\__init__.py\", line 598, in to_filehandle\r\n    flag=flag, return_opened=return_opened, encoding=encoding)\r\n  [Previous line repeated 972 more times]\r\n  File \"D:\\data\\Miniconda3\\lib\\site-packages\\matplotlib\\cbook\\__init__.py\", line 595, in to_filehandle\r\n    if hasattr(os, \"PathLike\") and isinstance(fname, os.PathLike):\r\n  File \"D:\\data\\Miniconda3\\lib\\abc.py\", line 184, in __instancecheck__\r\n    if subclass in cls._abc_cache:\r\n  File \"D:\\data\\Miniconda3\\lib\\_weakrefset.py\", line 75, in __contains__\r\n    return wr in self.data\r\nRecursionError: maximum recursion depth exceeded in comparison\r\n```\r\n\r\n**Expected outcome**\r\n\r\nNo traceback.\r\n\r\n**Matplotlib version**\r\n\u003c!--Please specify your platform and versions of the relevant libraries you are using:--\u003e\r\n  * Operating system: Linux (Ubuntu) and Windows 7\r\n  * Matplotlib version: 2.2.2 from Anaconda\r\n  * Matplotlib backend (`print(matplotlib.get_backend())`): Qt5Agg\r\n  * Python version: 3.6\r\n  * Jupyter version (if applicable):\r\n  * Other libraries: path.py\r\n\r\n\u003c!--Please tell us how you installed matplotlib and python e.g., from source, pip, conda--\u003e\r\n\u003c!--If you installed from conda, please specify which channel you used if not the default--\u003e\r\n\r\nFor information, Path objects from path.py inherit from string and are PathLike objects.","author":{"url":"https://github.com/Nodd","@type":"Person","name":"Nodd"},"datePublished":"2018-05-25T07:43:39.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/11306/matplotlib/issues/11306"}