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:
# in Python 2.6, compile() will choke on \r\n line endings. In later
# versions of python it's smarter, and we want binary mode to give
# compile() the best opportunity to do the right thing WRT text
# encodings.
if sys.version_info < (2, 7):
mode = 'rU'
else:
mode = 'rb'
with open(filename, mode) 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 main():
args = sys.argv[1:]
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, tree=None): # EKR: added tree.
"""
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}
"""
import leo.core.leoGlobals as g # EKR
# print('EKR: api.check: %s' % filename)
if reporter is None:
reporter = modReporter._makeDefaultReporter()
# First, compile into an AST and handle syntax errors.
if not tree:
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
g.es_print_exception() # EKR
# 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.
# EKR:
reporter.unexpectedError(filename, 'no text: syntax error?')
else:
reporter.syntaxError(filename, msg, lineno, offset, text)
return 1
except Exception:
g.es_print_exception() # EKR
reporter.unexpectedError(filename, 'unexpected exception')
return 1
# Okay, it's syntactically valid. Now check it.
w = checker.Checker(tree, filename)
w.messages.sort(key=lambda m: m.lineno)
for warning in w.messages:
reporter.flake(warning)
return len(w.messages)
def main(prog=None):
"""Entry point for the script "pyflakes"."""
import optparse
# Handle "Keyboard Interrupt" and "Broken pipe" gracefully
_exitOnSignal('SIGINT', '... stopped')
_exitOnSignal('SIGPIPE', 1)
parser = optparse.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 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:
f = open(filename, 'U')
try:
return check(f.read() + '\n', filename, reporter)
finally:
f.close()
except UnicodeError:
reporter.unexpectedError(filename, 'problem decoding source')
except IOError:
msg = sys.exc_info()[1]
reporter.unexpectedError(filename, msg.args[1])
return 1