Python werkzeug._compat 模块，iteritems() 实例源码

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = [sys.executable] + sys.argv
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = [sys.executable] + sys.argv
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = [sys.executable] + sys.argv
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = _get_args_for_reloading()
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    _deprecated()
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = _get_args_for_reloading()
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    _deprecated()
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = _get_args_for_reloading()
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = _get_args_for_reloading()
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = [sys.executable] + sys.argv
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()
    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = [sys.executable] + sys.argv
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = _get_args_for_reloading()
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    _deprecated()
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = [sys.executable] + sys.argv
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()
    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = [sys.executable] + sys.argv
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def test_create_environ(self):
        env = create_environ('/foo?bar=baz', 'http://example.org/')
        expected = {
            'wsgi.multiprocess':    False,
            'wsgi.version':         (1, 0),
            'wsgi.run_once':        False,
            'wsgi.errors':          sys.stderr,
            'wsgi.multithread':     False,
            'wsgi.url_scheme':      'http',
            'SCRIPT_NAME':          '',
            'CONTENT_TYPE':         '',
            'CONTENT_LENGTH':       '0',
            'SERVER_NAME':          'example.org',
            'REQUEST_METHOD':       'GET',
            'HTTP_HOST':            'example.org',
            'PATH_INFO':            '/foo',
            'SERVER_PORT':          '80',
            'SERVER_PROTOCOL':      'HTTP/1.1',
            'QUERY_STRING':         'bar=baz'
        }
        for key, value in iteritems(expected):
            self.assert_equal(env[key], value)
        self.assert_strict_equal(env['wsgi.input'].read(0), b'')
        self.assert_strict_equal(create_environ('/foo', 'http://example.com/')['SCRIPT_NAME'], '')

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = _get_args_for_reloading()
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = _get_args_for_reloading()
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    _deprecated()
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = _get_args_for_reloading()
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    _deprecated()
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv

def restart_with_reloader(self):
        """Spawn a new Python interpreter with the same arguments as this one,
        but running the reloader thread.
        """
        while 1:
            _log('info', ' * Restarting with %s' % self.name)
            args = _get_args_for_reloading()
            new_environ = os.environ.copy()
            new_environ['WERKZEUG_RUN_MAIN'] = 'true'

            # a weird bug on windows. sometimes unicode strings end up in the
            # environment and subprocess.call does not like this, encode them
            # to latin1 and continue.
            if os.name == 'nt' and PY2:
                for key, value in iteritems(new_environ):
                    if isinstance(value, text_type):
                        new_environ[key] = value.encode('iso-8859-1')

            exit_code = subprocess.call(args, env=new_environ,
                                        close_fds=False)
            if exit_code != 3:
                return exit_code

def print_usage(actions):
    """Print the usage information.  (Help screen)"""
    _deprecated()
    actions = sorted(iteritems(actions))
    print('usage: %s <action> [<options>]' % basename(sys.argv[0]))
    print('       %s --help' % basename(sys.argv[0]))
    print()
    print('actions:')
    for name, (func, doc, arguments) in actions:
        print('  %s:' % name)
        for line in doc.splitlines():
            print('    %s' % line)
        if arguments:
            print()
        for arg, shortcut, default, argtype in arguments:
            if isinstance(default, bool):
                print('    %s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg
                ))
            else:
                print('    %-30s%-10s%s' % (
                    (shortcut and '-%s, ' % shortcut or '') + '--' + arg,
                    argtype, default
                ))
        print()

def _find_common_roots(paths):
    """Out of some paths it finds the common roots that need monitoring."""
    paths = [x.split(os.path.sep) for x in paths]
    root = {}
    for chunks in sorted(paths, key=len, reverse=True):
        node = root
        for chunk in chunks:
            node = node.setdefault(chunk, {})
        node.clear()

    rv = set()

    def _walk(node, path):
        for prefix, child in iteritems(node):
            _walk(child, path + (prefix,))
        if not node:
            rv.add('/'.join(path))
    _walk(root, ())
    return rv