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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Build-out an AST optimizer, moving some functionality out of the peephole optimizer","articleBody":"BPO | [11549](https://bugs.python.org/issue11549)\n--- | :---\nNosy | @birkenfeld, @rhettinger, @terryjreedy, @mdickinson, @ncoghlan, @pitrou, @vstinner, @benjaminp, @Trundle, @methane, @davidmalcolm, @meadori, @durban, @jeremyhylton, @eltoder, @ericsnowcurrently, @berkerpeksag, @serhiy-storchaka, @phmc, @pstch, @mbdevpl\nDependencies | \u003cli\u003ebpo-11682: PEP 380 reference implementation for 3.3\u003c/li\u003e\nFiles | \u003cli\u003e[0_ast.patch](https://bugs.python.org/file21198/0_ast.patch \"Uploaded as text/plain at 2011-03-15.04:47:18 by @eltoder\")\u003c/li\u003e\u003cli\u003e[0_fold.patch](https://bugs.python.org/file21199/0_fold.patch \"Uploaded as text/plain at 2011-03-15.04:47:35 by @eltoder\")\u003c/li\u003e\u003cli\u003e[0_compile.patch](https://bugs.python.org/file21200/0_compile.patch \"Uploaded as text/plain at 2011-03-15.04:47:45 by @eltoder\")\u003c/li\u003e\u003cli\u003e[0_generated.patch](https://bugs.python.org/file21201/0_generated.patch \"Uploaded as text/plain at 2011-03-15.04:48:00 by @eltoder\")\u003c/li\u003e\u003cli\u003e[0_tests.patch](https://bugs.python.org/file21202/0_tests.patch \"Uploaded as text/plain at 2011-03-15.04:48:10 by @eltoder\")\u003c/li\u003e\u003cli\u003e[issue11549.patch](https://bugs.python.org/file42810/issue11549.patch \"Uploaded as text/plain at 2016-05-11.08:22:11 by @serhiy-storchaka\"): Regenerated for review\u003c/li\u003e\u003cli\u003e[change-ast.patch](https://bugs.python.org/file46467/change-ast.patch \"Uploaded as text/plain at 2017-01-31.17:04:45 by @methane\")\u003c/li\u003e\u003cli\u003e[ast-docstring.patch](https://bugs.python.org/file46542/ast-docstring.patch \"Uploaded as text/plain at 2017-02-06.11:40:19 by @methane\")\u003c/li\u003e\n\n\u003csup\u003e*Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.*\u003c/sup\u003e\n\n\u003cdetails\u003e\u003csummary\u003eShow more details\u003c/summary\u003e\u003cp\u003e\n\nGitHub fields:\n```python\nassignee = None\nclosed_at = \u003cDate 2020-01-26.06:07:31.706\u003e\ncreated_at = \u003cDate 2011-03-15.04:46:42.255\u003e\nlabels = ['interpreter-core', '3.7']\ntitle = 'Build-out an AST optimizer, moving some functionality out of the peephole optimizer'\nupdated_at = \u003cDate 2020-01-26.06:07:31.705\u003e\nuser = 'https://github.com/eltoder'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2020-01-26.06:07:31.705\u003e\nactor = 'rhettinger'\nassignee = 'none'\nclosed = True\nclosed_date = \u003cDate 2020-01-26.06:07:31.706\u003e\ncloser = 'rhettinger'\ncomponents = ['Interpreter Core']\ncreation = \u003cDate 2011-03-15.04:46:42.255\u003e\ncreator = 'eltoder'\ndependencies = ['11682']\nfiles = ['21198', '21199', '21200', '21201', '21202', '42810', '46467', '46542']\nhgrepos = []\nissue_num = 11549\nkeywords = ['patch']\nmessage_count = 81.0\nmessages = ['130955', '131070', '131071', '131072', '131074', '131083', '131084', '131085', '131166', '131172', '131210', '131214', '131392', '131396', '131952', '131953', '132310', '132312', '132313', '132314', '132346', '132348', '132349', '132350', '132361', '132362', '132382', '132453', '132455', '132473', '132476', '137785', '137788', '137819', '137906', '138413', '139395', '160608', '160662', '168146', '169894', '169895', '169896', '169897', '169898', '169899', '169900', '169902', '169903', '185286', '193656', '193657', '265296', '265553', '265554', '265607', '265613', '265621', '286503', '286528', '286530', '286531', '286532', '286534', '286535', '286539', '286542', '286588', '286589', '286591', '286592', '286668', '286697', '286725', '286726', '286730', '287120', '287121', '287187', '287217', '360721']\nnosy_count = 26.0\nnosy_names = ['georg.brandl', 'rhettinger', 'terry.reedy', 'mark.dickinson', 'ncoghlan', 'pitrou', 'vstinner', 'techtonik', 'nadeem.vawda', 'benjamin.peterson', 'Trundle', 'methane', 'dmalcolm', 'meador.inge', 'daniel.urban', 'Jeremy.Hylton', 'santoso.wijaya', 'eltoder', 'eric.snow', 'jcon', 'berker.peksag', 'serhiy.storchaka', 'pconnell', 'isoschiz', 'pstch', 'mbdevpl']\npr_nums = []\npriority = 'normal'\nresolution = 'fixed'\nstage = 'resolved'\nstatus = 'closed'\nsuperseder = None\ntype = None\nurl = 'https://bugs.python.org/issue11549'\nversions = ['Python 3.7']\n```\n\n\u003c/p\u003e\u003c/details\u003e\n","author":{"url":"https://github.com/eltoder","@type":"Person","name":"eltoder"},"datePublished":"2011-03-15T04:46:42.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":81},"url":"https://github.com/55758/cpython/issues/55758"}