Top 5 pyflakes Code Examples (2024)

def test_pyflakes_conformance(): """Test source code for PyFlakes conformance.""" reporter = Reporter(sys.stdout, sys.stderr) base_path = os.path.join(os.path.dirname(__file__), '..') paths = [ os.path.join(base_path, 'ros_buildfarm'), os.path.join(base_path, 'scripts'), ] warning_count = checkRecursive(paths, reporter) assert warning_count == 0, \ 'Found %d code style warnings' % warning_count

def test_pyflakes_syntax(self) -> None: rootPath = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) pyflakes.api.checkRecursive([rootPath + '/qupulse/', rootPath + '/tests/'], Reporter(sys.stdout, sys.stderr))

def check(text):pyflakes.api.check(text,"test.py")

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.Checker(tree, filename) lines = codeString.split('\n') messages = [message for message in w.messages if lines[message.lineno - 1].find('pyflakes:ignore') < 0] messages.sort(lambda a, b: cmp(a.lineno, b.lineno)) for warning in messages: print warning return len(messages)

# 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 else: # Okay, it's syntactically valid. Now check it. lines = codeString.splitlines() warnings = Checker(tree, filename) warnings.messages.sort(key=lambda m: m.lineno) real_messages = [] for m in warnings.messages: line = lines[m.lineno - 1] if 'pyflakes:ignore' in line.rsplit('#', 1)[-1]: # ignore lines with pyflakes:ignore pass else: real_messages.append(m) reporter.flake(m) return len(real_messages)

def run(path, code=None, params=None, **meta): """ Pyflake code checking. :return list: List of errors. """ import _ast builtins = params.get("builtins", "") if builtins: builtins = builtins.split(",") errors = [] tree = compile(code, path, "exec", _ast.PyCF_ONLY_AST) w = checker.Checker(tree, path, builtins=builtins) w.messages = sorted(w.messages, key=lambda m: m.lineno) for w in w.messages: errors.append(dict( lnum=w.lineno, text=w.message % w.message_args, )) return errors

_ast.PyCF_ONLY_AST) except SyntaxError as value: msg = '[pyFlakes] %s' % value.args[0] (lineno, offset, text) = value.lineno - 1, 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.s _logger().warning("[SyntaxError] %s: problem decoding source", path) else: ret_val.append((msg, ERROR, lineno)) else: # Okay, it's syntactically valid. Now check it. w = checker.Checker(tree, os.path.split(path)[1]) w.messages.sort(key=lambda m: m.lineno) for message in w.messages: msg = "[pyFlakes] %s" % str(message).split(':')[-1].strip() line = message.lineno - 1 status = WARNING \ if message.__class__ not in PYFLAKES_ERROR_MESSAGES \ else ERROR ret_val.append((msg, status, line)) prev_results = ret_val return ret_val

def run(self): """Execute pyflakes check.""" # Don't import the pyflakes code until now because setup.py needs to be # able to install Pyflakes if its missing. This localizes the import to # only after the setuptools code has run and verified everything is # installed. from pyflakes import api from pyflakes import reporter # Run the Pyflakes check against our package and check its output val = api.checkRecursive([PACKAGE], reporter._makeDefaultReporter()) if val > 0: sys.exit("ERROR: Pyflakes failed with exit code {}".format(val))

def run(self): # Don't import the pyflakes code until now because setup.py needs to be # able to install Pyflakes if its missing. This localizes the import to # only after the setuptools code has run and verified everything is # installed. from pyflakes import api from pyflakes import reporter # Run the Pyflakes check against our package and check its output val = api.checkRecursive([PACKAGE], reporter._makeDefaultReporter()) if val > 0: sys.exit('ERROR: Pyflakes failed with exit code %d' % val)

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(), '', reporter) raise SystemExit(warnings > 0)

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