def main(prog=None):
parser = OptionParser(prog=prog, version=__version__)
(__, args) = parser.parse_args()
reporter = modReporter._makeDefaultReporter()
if args:
warnings = checkRecursive(args, reporter)
else:
warnings = check(sys.stdin.read(), '<stdin>', reporter)
raise SystemExit(warnings > 0)
def main(prog=None):
parser = OptionParser(prog=prog, version=__version__)
(__, args) = parser.parse_args()
reporter = modReporter._makeDefaultReporter()
if args:
warnings = checkRecursive(args, reporter)
else:
warnings = check(sys.stdin.read(), '<stdin>', reporter)
raise SystemExit(warnings > 0)
def check(codeString, filename, reporter=None, builtins=None):
"""
Check the Python source given by C{codeString} for flakes.
@param codeString: The Python source to check.
@type codeString: C{str}
@param filename: The name of the file the source came from, used to report
errors.
@type filename: C{str}
@param reporter: A L{Reporter} instance, where errors and warnings will be
reported.
@return: The number of warnings emitted.
@rtype: C{int}
"""
if reporter is None:
reporter = modReporter._makeDefaultReporter()
# First, compile into an AST and handle syntax errors.
try:
tree = compile(codeString, filename, "exec", _ast.PyCF_ONLY_AST)
except SyntaxError:
value = sys.exc_info()[1]
msg = value.args[0]
(lineno, offset, text) = value.lineno, value.offset, value.text
# If there's an encoding problem with the file, the text is None.
if text is None:
# Avoid using msg, since for the only known case, it contains a
# bogus message that claims the encoding the file declared was
# unknown.
reporter.unexpectedError(filename, 'problem decoding source')
else:
reporter.syntaxError(filename, msg, lineno, offset, text)
return 1
except Exception:
reporter.unexpectedError(filename, 'problem decoding source')
return 1
# Okay, it's syntactically valid. Now check it.
w = checker.Checker(tree, filename, builtins=builtins)
w.messages.sort(key=lambda m: m.lineno)
for warning in w.messages:
reporter.flake(warning)
return len(w.messages)
def check(codeString, filename, reporter=None, builtins=None):
"""
Check the Python source given by C{codeString} for flakes.
@param codeString: The Python source to check.
@type codeString: C{str}
@param filename: The name of the file the source came from, used to report
errors.
@type filename: C{str}
@param reporter: A L{Reporter} instance, where errors and warnings will be
reported.
@return: The number of warnings emitted.
@rtype: C{int}
"""
if reporter is None:
reporter = modReporter._makeDefaultReporter()
# First, compile into an AST and handle syntax errors.
try:
tree = compile(codeString, filename, "exec", _ast.PyCF_ONLY_AST)
except SyntaxError:
value = sys.exc_info()[1]
msg = value.args[0]
(lineno, offset, text) = value.lineno, value.offset, value.text
# If there's an encoding problem with the file, the text is None.
if text is None:
# Avoid using msg, since for the only known case, it contains a
# bogus message that claims the encoding the file declared was
# unknown.
reporter.unexpectedError(filename, 'problem decoding source')
else:
reporter.syntaxError(filename, msg, lineno, offset, text)
return 1
except Exception:
reporter.unexpectedError(filename, 'problem decoding source')
return 1
# Okay, it's syntactically valid. Now check it.
w = checker.Checker(tree, filename, builtins=builtins)
w.messages.sort(key=lambda m: m.lineno)
for warning in w.messages:
reporter.flake(warning)
return len(w.messages)
def checkPath(filename, reporter=None):
"""
Check the given path, printing out any warnings detected.
@param reporter: A L{Reporter} instance, where errors and warnings will be
reported.
@return: the number of warnings printed
"""
if reporter is None:
reporter = modReporter._makeDefaultReporter()
try:
with open(filename, 'rb') as f:
codestr = f.read()
if sys.version_info < (2, 7):
codestr += '\n' # Work around for Python <= 2.6
except UnicodeError:
reporter.unexpectedError(filename, 'problem decoding source')
return 1
except IOError:
msg = sys.exc_info()[1]
reporter.unexpectedError(filename, msg.args[1])
return 1
return check(codestr, filename, reporter)
def checkPath(filename, reporter=None):
"""
Check the given path, printing out any warnings detected.
@param reporter: A L{Reporter} instance, where errors and warnings will be
reported.
@return: the number of warnings printed
"""
if reporter is None:
reporter = modReporter._makeDefaultReporter()
try:
with open(filename, 'rb') as f:
codestr = f.read()
if sys.version_info < (2, 7):
codestr += '\n' # Work around for Python <= 2.6
except UnicodeError:
reporter.unexpectedError(filename, 'problem decoding source')
return 1
except IOError:
msg = sys.exc_info()[1]
reporter.unexpectedError(filename, msg.args[1])
return 1
return check(codestr, filename, reporter)