def get_code_complexity(code, min=7, filename='stdin'):
complex = []
try:
ast = parse(code)
except (AttributeError, SyntaxError):
e = sys.exc_info()[1]
sys.stderr.write("Unable to parse %s: %s\n" % (filename, e))
return 0
visitor = PathGraphingAstVisitor()
visitor.preorder(ast, visitor)
for graph in visitor.graphs.values():
if graph is None:
# ?
continue
if graph.complexity() >= min:
graph.filename = filename
if not skip_warning(graph):
msg = '%s:%d:1: %s %r is too complex (%d)' % (
filename,
graph.lineno,
WARNING_CODE,
graph.entity,
graph.complexity(),
)
complex.append(msg)
if len(complex) == 0:
return 0
print('\n'.join(complex))
return len(complex)
def get_code_complexity(code, min=7, filename='stdin'):
complex = []
try:
ast = parse(code)
except (AttributeError, SyntaxError):
e = sys.exc_info()[1]
sys.stderr.write("Unable to parse %s: %s\n" % (filename, e))
return 0
visitor = PathGraphingAstVisitor()
visitor.preorder(ast, visitor)
for graph in visitor.graphs.values():
if graph is None:
# ?
continue
if graph.complexity() >= min:
graph.filename = filename
if not skip_warning(graph):
msg = '%s:%d:1: %s %r is too complex (%d)' % (
filename,
graph.lineno,
WARNING_CODE,
graph.entity,
graph.complexity(),
)
complex.append(msg)
if len(complex) == 0:
return 0
print('\n'.join(complex))
return len(complex)
def check(codeString, ignore, filename='stdin'):
"""
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}
@return: The number of warnings emitted.
@rtype: C{int}
"""
# 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.
sys.stderr.write("%s: problem decoding source\n" % (filename))
else:
line = text.splitlines()[-1]
if offset is not None:
offset = offset - (len(text) - len(line))
sys.stderr.write('%s:%d: %s\n' % (filename, lineno, msg))
sys.stderr.write(line + '\n')
if offset is not None:
sys.stderr.write(" " * offset + "^\n")
return 1
else:
# Okay, it's syntactically valid. Now check it.
w = Checker(tree, filename)
sorting = [(msg.lineno, msg) for msg in w.messages]
sorting.sort()
w.messages = [msg for index, msg in sorting]
valid_warnings = 0
for warning in w.messages:
if skip_warning(warning, ignore):
continue
print(warning)
valid_warnings += 1
return valid_warnings
def check(codeString, filename='(code)'):
"""
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}
@return: The number of warnings emitted.
@rtype: C{int}
"""
# 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.
sys.stderr.write("%s: problem decoding source\n" % (filename))
else:
line = text.splitlines()[-1]
if offset is not None:
offset = offset - (len(text) - len(line))
sys.stderr.write('%s:%d: %s\n' % (filename, lineno, msg))
sys.stderr.write(line + '\n')
if offset is not None:
sys.stderr.write(" " * offset + "^\n")
return 1
else:
# Okay, it's syntactically valid. Now check it.
w = Checker(tree, filename)
sorting = [(msg.lineno, msg) for msg in w.messages]
sorting.sort()
w.messages = [msg for index, msg in sorting]
valid_warnings = 0
for warning in w.messages:
if skip_warning(warning):
continue
print(warning)
valid_warnings += 1
return valid_warnings
# Avoid using msg, since for the only known case, it contains a
# bogus message that claims the encoding the file declared was
# unknown.
print >> sys.stderr, "%s: problem decoding source" % (filename, )
else:
line = text.splitlines()[-1]
if offset is not None:
offset = offset - (len(text) - len(line))
print >> sys.stderr, '%s:%d: %s' % (filename, lineno, msg)
print >> sys.stderr, line
if offset is not None:
print >> sys.stderr, " " * offset, "^"
return 1
else:
# Okay, it's syntactically valid. Now check it.
w = Checker(tree, filename)
w.messages.sort(lambda a, b: cmp(a.lineno, b.lineno))
valid_warnings = 0
for warning in w.messages:
if skip_warning(warning):
continue
print warning
valid_warnings += 1
return valid_warnings
