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f1c575a099
Summary: This check is useful and detects real errors (ex. fbconduit). Unfortunately `arc lint` will run it with both py2 and py3 so a lot of py2 builtins will still be warned. I didn't find a clean way to disable py3 check. So this diff tries to fix them. For `xrange`, the change was done by a script: ``` import sys import redbaron headertypes = {'comment', 'endl', 'from_import', 'import', 'string', 'assignment', 'atomtrailers'} xrangefix = '''try: xrange(0) except NameError: xrange = range ''' def isxrange(x): try: return x[0].value == 'xrange' except Exception: return False def main(argv): for i, path in enumerate(argv): print('(%d/%d) scanning %s' % (i + 1, len(argv), path)) content = open(path).read() try: red = redbaron.RedBaron(content) except Exception: print(' warning: failed to parse') continue hasxrange = red.find('atomtrailersnode', value=isxrange) hasxrangefix = 'xrange = range' in content if hasxrangefix or not hasxrange: print(' no need to change') continue # find a place to insert the compatibility statement changed = False for node in red: if node.type in headertypes: continue # node.insert_before is an easier API, but it has bugs changing # other "finally" and "except" positions. So do the insert # manually. # # node.insert_before(xrangefix) line = node.absolute_bounding_box.top_left.line - 1 lines = content.splitlines(1) content = ''.join(lines[:line]) + xrangefix + ''.join(lines[line:]) changed = True break if changed: # "content" is faster than "red.dumps()" open(path, 'w').write(content) print(' updated') if __name__ == "__main__": sys.exit(main(sys.argv[1:])) ``` For other py2 builtins that do not have a py3 equivalent, some `# noqa` were added as a workaround for now. Reviewed By: DurhamG Differential Revision: D6934535 fbshipit-source-id: 546b62830af144bc8b46788d2e0fd00496838939
110 lines
3.3 KiB
Python
110 lines
3.3 KiB
Python
from __future__ import absolute_import
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from __future__ import print_function
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import unittest
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from mercurial import (
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mdiff,
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)
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from mercurial.context import (
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annotateline,
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_annotatepair,
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)
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try:
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xrange(0)
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except NameError:
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xrange = range
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class AnnotateTests(unittest.TestCase):
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"""Unit tests for annotate code."""
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def testannotatepair(self):
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self.maxDiff = None # camelcase-required
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oldfctx = b'old'
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p1fctx, p2fctx, childfctx = b'p1', b'p2', b'c'
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olddata = b'a\nb\n'
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p1data = b'a\nb\nc\n'
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p2data = b'a\nc\nd\n'
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childdata = b'a\nb2\nc\nc2\nd\n'
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diffopts = mdiff.diffopts()
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def decorate(text, rev):
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return ([annotateline(fctx=rev, lineno=i)
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for i in xrange(1, text.count(b'\n') + 1)],
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text)
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# Basic usage
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oldann = decorate(olddata, oldfctx)
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p1ann = decorate(p1data, p1fctx)
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p1ann = _annotatepair([oldann], p1fctx, p1ann, False, diffopts)
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self.assertEqual(p1ann[0], [
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annotateline('old', 1),
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annotateline('old', 2),
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annotateline('p1', 3),
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])
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p2ann = decorate(p2data, p2fctx)
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p2ann = _annotatepair([oldann], p2fctx, p2ann, False, diffopts)
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self.assertEqual(p2ann[0], [
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annotateline('old', 1),
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annotateline('p2', 2),
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annotateline('p2', 3),
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])
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# Test with multiple parents (note the difference caused by ordering)
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childann = decorate(childdata, childfctx)
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childann = _annotatepair([p1ann, p2ann], childfctx, childann, False,
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diffopts)
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self.assertEqual(childann[0], [
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annotateline('old', 1),
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annotateline('c', 2),
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annotateline('p2', 2),
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annotateline('c', 4),
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annotateline('p2', 3),
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])
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childann = decorate(childdata, childfctx)
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childann = _annotatepair([p2ann, p1ann], childfctx, childann, False,
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diffopts)
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self.assertEqual(childann[0], [
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annotateline('old', 1),
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annotateline('c', 2),
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annotateline('p1', 3),
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annotateline('c', 4),
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annotateline('p2', 3),
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])
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# Test with skipchild (note the difference caused by ordering)
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childann = decorate(childdata, childfctx)
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childann = _annotatepair([p1ann, p2ann], childfctx, childann, True,
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diffopts)
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self.assertEqual(childann[0], [
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annotateline('old', 1),
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annotateline('old', 2, True),
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# note that this line was carried over from earlier so it is *not*
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# marked skipped
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annotateline('p2', 2),
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annotateline('p2', 2, True),
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annotateline('p2', 3),
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])
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childann = decorate(childdata, childfctx)
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childann = _annotatepair([p2ann, p1ann], childfctx, childann, True,
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diffopts)
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self.assertEqual(childann[0], [
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annotateline('old', 1),
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annotateline('old', 2, True),
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annotateline('p1', 3),
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annotateline('p1', 3, True),
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annotateline('p2', 3),
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])
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if __name__ == '__main__':
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import silenttestrunner
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silenttestrunner.main(__name__)
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