René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Transpose with an empty line crashes bpython","articleBody":"Minor edge case I think:\n\n```\n⊙  bpython                                                                                                                                                                                                                                                                                                                                                Julian@Macnetic\nbpython version 0.15.dev155 on top of Python 2.7.10 /usr/local/opt/python/bin/python2.7\n\u003e\u003e\u003e\nTraceback (most recent call last):\n  File \"/usr/local/bin/bpython\", line 9, in \u003cmodule\u003e\n    load_entry_point('bpython==0.15.dev155', 'console_scripts', 'bpython')()\n  File \"/usr/local/lib/python2.7/site-packages/bpython/curtsies.py\", line 88, in main\n    interactive=(not exec_args))\n  File \"/usr/local/lib/python2.7/site-packages/bpython/curtsies.py\", line 189, in mainloop\n    process_event(e)\n  File \"/usr/local/lib/python2.7/site-packages/bpython/curtsies.py\", line 147, in process_event\n    repl.process_event(e)\n  File \"/usr/local/lib/python2.7/site-packages/bpython/curtsiesfrontend/repl.py\", line 524, in process_event\n    return self.process_key_event(e)\n  File \"/usr/local/lib/python2.7/site-packages/bpython/curtsiesfrontend/repl.py\", line 626, in process_key_event\n    cut_buffer=self.cut_buffer)\n  File \"/usr/local/lib/python2.7/site-packages/bpython/curtsiesfrontend/manual_readline.py\", line 67, in call\n    return func(**args)\n  File \"/usr/local/lib/python2.7/site-packages/bpython/curtsiesfrontend/manual_readline.py\", line 286, in transpose_character_before_cursor\n    line[cursor_offset - 1] +\nIndexError: string index out of range\n```\n\nAlso, I encountered this because I tried to send SIGINFO to bpython which is bound to `^T` by default, and being overridden here for the readline stuff. Not sure if that's intentional as well, I don't know what OS X uses for readline transpose instead.\n","author":{"url":"https://github.com/Julian","@type":"Person","name":"Julian"},"datePublished":"2015-07-01T14:20:41.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/548/bpython/issues/548"}