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"""Warnings for using open() with an invalid mode string."""
open('foo.bar', 'w', 2)
open('foo.bar', 'rw') # [bad-open-mode]
open(name='foo.bar', buffering=10, mode='rw') # [bad-open-mode]
open(mode='rw', name='foo.bar') # [bad-open-mode]
open('foo.bar', 'U+')
open('foo.bar', 'rb+')
open('foo.bar', 'Uw') # [bad-open-mode]
open('foo.bar', 2) # [bad-open-mode]
open('foo.bar', buffering=2)
WRITE_MODE = 'w'
open('foo.bar', 'U' + WRITE_MODE + 'z') # [bad-open-mode]
open('foo.bar', 'br') # [bad-open-mode]
open('foo.bar', 'wU') # [bad-open-mode]
open('foo.bar', 'r+b')
open('foo.bar', 'r+')
open('foo.bar', 'w+')
open('foo.bar', 'xb') # [bad-open-mode]
open('foo.bar', 'rx') # [bad-open-mode]
open('foo.bar', 'Ur')
open('foo.bar', 'rU')
open('foo.bar', 'rUb')
open('foo.bar', 'rUb+')
open('foo.bar', 'rU+b')
open('foo.bar', 'r+Ub')
open('foo.bar', '+rUb') # [bad-open-mode]
open('foo.bar', 'ab+')
open('foo.bar', 'a+b')
open('foo.bar', 'aU') # [bad-open-mode]
open('foo.bar', 'U+b')
open('foo.bar', '+Ub')
open('foo.bar', 'b+U')
open('foo.bar', 'Urb+')
open('foo.bar', 'Ur+b')
open('foo.bar', 'Ubr') # [bad-open-mode]
open('foo.bar', 'Ut') # [bad-open-mode]
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