Ejemplo n.º 1
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:
        # 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)
Ejemplo n.º 2
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:
        # 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)
Ejemplo n.º 3
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)
Ejemplo n.º 4
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)
Ejemplo n.º 5
0
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)
Ejemplo n.º 6
0
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)
Ejemplo n.º 7
0
def check(codeString, filename, reporter=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)
    w.messages.sort(key=lambda m: m.lineno)
    for warning in w.messages:
        reporter.flake(warning)
    return len(w.messages)
Ejemplo n.º 8
0
def check(codeString, filename, reporter=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)
    w.messages.sort(key=lambda m: m.lineno)
    for warning in w.messages:
        reporter.flake(warning)
    return len(w.messages)
Ejemplo n.º 9
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:
        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)
Ejemplo n.º 10
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:
        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)