René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"set_url without effect for instances of Line2D","articleBody":"\u003c!--To help us understand and resolve your issue, please fill out the form to the best of your ability.--\u003e\r\n\u003c!--You can feel free to delete the sections that do not apply.--\u003e\r\n\r\n### Bug report\r\n\r\n**Bug summary**\r\nUsing SVG-backend, set_url does nothing for for instances of Line2D, whereas it works for other objects.\r\n\u003c!--A short 1-2 sentences that succinctly describes the bug--\u003e\r\n\r\n**Code for reproduction**\r\n\r\n\u003c!--A minimum code snippet required to reproduce the bug.\r\nPlease make sure to minimize the number of dependencies required, and provide\r\nany necessary plotted data.\r\nAvoid using threads, as Matplotlib is (explicitly) not thread-safe.--\u003e\r\n\r\n```python\r\nfrom matplotlib import pyplot as plt\r\n\r\nf = plt.figure()\r\ns = plt.scatter([1, 2, 3], [4, 5, 6])\r\ns.set_urls(['http://www.bbc.co.uk/news', 'http://www.google.com', None])\r\np = plt.plot([1,3], [6,5], linewidth=5, color='green')\r\np[0].set_url('http://www.duckduckgo.com')\r\n\r\nprint(s.get_urls())\r\nprint(p[0].get_url())\r\n\r\nimport io\r\nsvg = io.StringIO()\r\nf.savefig(svg, format='svg')\r\n\r\nassert \"http://www.google.com\" in svg.getvalue()\r\nassert \"http://www.duckduckgo.com\" in svg.getvalue()\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\n['http://www.bbc.co.uk/news', 'http://www.google.com', None]\r\nhttp://www.duckduckgo.com\r\n---------------------------------------------------------------------------\r\nAssertionError                            Traceback (most recent call last)\r\n\u003cipython-input-5-830e26be00ec\u003e in \u003cmodule\u003e\r\n     15 \r\n     16 assert \"http://www.google.com\" in svg.getvalue()\r\n---\u003e 17 assert \"http://www.duckduckgo.com\" in svg.getvalue()\r\n```\r\n\r\nWhen the svg is opened in a browser, the scatter plot is clickable yet the line is not.\r\n\r\n**Expected outcome**\r\n\r\nBoth `http://www.google.com` and `http://www.duckduckgo.com` should be present in the svg. When the svg is opened in a browser, the line plot should be clickable as well.\r\n\r\n\u003c!--A description of the expected outcome from the code snippet--\u003e\r\n\u003c!--If this used to work in an earlier version of Matplotlib, please note the version it used to work on--\u003e\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: Ubuntu 18.04.3 LTS\r\n  * Matplotlib version: 3.2.1\r\n  * Matplotlib backend: module://ipykernel.pylab.backend_inline\r\n  * Python version: 3.7.6 (conda)\r\n  * Jupyter version (if applicable): 1.2.4\r\n  * Other libraries: \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\nI installed matplotlb and python over conda. Issue remains if I install matplotlib from pip, and run the script from the command line.\r\n","author":{"url":"https://github.com/dloeckx","@type":"Person","name":"dloeckx"},"datePublished":"2020-05-05T22:23:04.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/17336/matplotlib/issues/17336"}