fix_bytes: loosen blacklist matching requirements
On my Linux machine, paths seen by 2to3 include the build directory. We
switch from an exact to substring match to allow 2to3 to work in more
environments.
#!/usr/bin/env python
# Filter output by pyflakes to control which warnings we check
import sys, re, os
def makekey(typeandline):
"""
for sorting lines by: msgtype, path/to/file, lineno, message
typeandline is a sequence of a message type and the entire message line
the message line format is path/to/file:line: message
>>> makekey((3, 'example.py:36: any message'))
(3, 'example.py', 36, ' any message')
>>> makekey((7, 'path/to/file.py:68: dummy message'))
(7, 'path/to/file.py', 68, ' dummy message')
>>> makekey((2, 'fn:88: m')) > makekey((2, 'fn:9: m'))
True
"""
msgtype, line = typeandline
fname, line, message = line.split(":", 2)
# line as int for ordering 9 before 88
return msgtype, fname, int(line), message
lines = []
for line in sys.stdin:
# We whitelist tests (see more messages in pyflakes.messages)
pats = [
(r"imported but unused", None),
(r"local variable '.*' is assigned to but never used", None),
(r"unable to detect undefined names", None),
(r"undefined name '.*'",
r"undefined name '(WindowsError|memoryview)'")
]
for msgtype, (pat, excl) in enumerate(pats):
if re.search(pat, line) and (not excl or not re.search(excl, line)):
break # pattern matches
else:
continue # no pattern matched, next line
fn = line.split(':', 1)[0]
f = open(os.path.join(os.path.dirname(os.path.dirname(__file__)), fn))
data = f.read()
f.close()
if 'no-' 'check-code' in data:
continue
lines.append((msgtype, line))
for msgtype, line in sorted(lines, key=makekey):
sys.stdout.write(line)
print
# self test of "undefined name" detection for other than 'memoryview'
if False:
print undefinedname