Python UserContextParser.user_stmt方法代码示例

# 需要导入模块: from jedi.parser.user_context import UserContextParser [as 别名]
# 或者: from jedi.parser.user_context.UserContextParser import user_stmt [as 别名]
class Script(object):
    """
    A Script is the base for completions, goto or whatever you want to do with
    |jedi|.

    You can either use the ``source`` parameter or ``path`` to read a file.
    Usually you're going to want to use both of them (in an editor).

    :param source: The source code of the current file, separated by newlines.
    :type source: str
    :param line: The line to perform actions on (starting with 1).
    :type line: int
    :param col: The column of the cursor (starting with 0).
    :type col: int
    :param path: The path of the file in the file system, or ``''`` if
        it hasn't been saved yet.
    :type path: str or None
    :param encoding: The encoding of ``source``, if it is not a
        ``unicode`` object (default ``'utf-8'``).
    :type encoding: str
    """
    def __init__(self, source=None, line=None, column=None, path=None,
                 encoding='utf-8', source_path=None):
        if source_path is not None:
            warnings.warn("Use path instead of source_path.", DeprecationWarning)
            path = source_path
        self._source_path = path
        self.path = None if path is None else os.path.abspath(path)

        if source is None:
            with open(path) as f:
                source = f.read()

        lines = source.splitlines() or ['']
        if source and source[-1] == '\n':
            lines.append('')
        line = max(len(lines), 1) if line is None else line
        if not (0 < line <= len(lines)):
            raise ValueError('`line` parameter is not in a valid range.')

        line_len = len(lines[line - 1])
        column = line_len if column is None else column
        if not (0 <= column <= line_len):
            raise ValueError('`column` parameter is not in a valid range.')
        self._pos = line, column

        cache.clear_caches()
        debug.reset_time()
        self.source = common.source_to_unicode(source, encoding)
        self._user_context = UserContext(self.source, self._pos)
        self._parser = UserContextParser(self.source, path, self._pos, self._user_context)
        self._evaluator = Evaluator()
        debug.speed('init')

    @property
    def source_path(self):
        """
        .. deprecated:: 0.7.0
           Use :attr:`.path` instead.
        .. todo:: Remove!
        """
        warnings.warn("Use path instead of source_path.", DeprecationWarning)
        return self.path

    def __repr__(self):
        return '<%s: %s>' % (self.__class__.__name__, repr(self._source_path))

    def completions(self):
        """
        Return :class:`classes.Completion` objects. Those objects contain
        information about the completions, more than just names.

        :return: Completion objects, sorted by name and __ comes last.
        :rtype: list of :class:`classes.Completion`
        """
        def get_completions(user_stmt, bs):
            if isinstance(user_stmt, pr.Import):
                context = self._user_context.get_context()
                next(context)  # skip the path
                if next(context) == 'from':
                    # completion is just "import" if before stands from ..
                    return ((k, bs) for k in keywords.keyword_names('import'))
            return self._simple_complete(path, like)

        debug.speed('completions start')
        path = self._user_context.get_path_until_cursor()
        if re.search('^\.|\.\.$', path):
            return []
        path, dot, like = helpers.completion_parts(path)

        user_stmt = self._parser.user_stmt_with_whitespace()
        b = compiled.builtin
        completions = get_completions(user_stmt, b)

        if not dot:
            # add named params
            for call_sig in self.call_signatures():
                # allow protected access, because it's a public API.
                module = call_sig._definition.get_parent_until()
                # Compiled modules typically don't allow keyword arguments.
#.........这里部分代码省略.........

# 需要导入模块: from jedi.parser.user_context import UserContextParser [as 别名]
# 或者: from jedi.parser.user_context.UserContextParser import user_stmt [as 别名]
class Script(object):
    """
    A Script is the base for completions, goto or whatever you want to do with
    |jedi|.

    You can either use the ``source`` parameter or ``path`` to read a file.
    Usually you're going to want to use both of them (in an editor).

    :param source: The source code of the current file, separated by newlines.
    :type source: str
    :param line: The line to perform actions on (starting with 1).
    :type line: int
    :param col: The column of the cursor (starting with 0).
    :type col: int
    :param path: The path of the file in the file system, or ``''`` if
        it hasn't been saved yet.
    :type path: str or None
    :param encoding: The encoding of ``source``, if it is not a
        ``unicode`` object (default ``'utf-8'``).
    :type encoding: str
    :param source_encoding: The encoding of ``source``, if it is not a
        ``unicode`` object (default ``'utf-8'``).
    :type encoding: str
    """
    def __init__(self, source=None, line=None, column=None, path=None,
                 encoding='utf-8', source_path=None, source_encoding=None):
        if source_path is not None:
            warnings.warn("Use path instead of source_path.", DeprecationWarning)
            path = source_path
        if source_encoding is not None:
            warnings.warn("Use encoding instead of source_encoding.", DeprecationWarning)
            encoding = source_encoding

        self._orig_path = path
        self.path = None if path is None else os.path.abspath(path)

        if source is None:
            with open(path) as f:
                source = f.read()

        self.source = common.source_to_unicode(source, encoding)
        lines = common.splitlines(self.source)
        line = max(len(lines), 1) if line is None else line
        if not (0 < line <= len(lines)):
            raise ValueError('`line` parameter is not in a valid range.')

        line_len = len(lines[line - 1])
        column = line_len if column is None else column
        if not (0 <= column <= line_len):
            raise ValueError('`column` parameter is not in a valid range.')
        self._pos = line, column

        cache.clear_time_caches()
        debug.reset_time()
        self._grammar = load_grammar('grammar%s.%s' % sys.version_info[:2])
        self._user_context = UserContext(self.source, self._pos)
        self._parser = UserContextParser(self._grammar, self.source, path,
                                         self._pos, self._user_context,
                                         self._parsed_callback)
        self._evaluator = Evaluator(self._grammar)
        debug.speed('init')

    def _parsed_callback(self, parser):
        module = self._evaluator.wrap(parser.module)
        imports.add_module(self._evaluator, unicode(module.name), module)

    @property
    def source_path(self):
        """
        .. deprecated:: 0.7.0
           Use :attr:`.path` instead.
        .. todo:: Remove!
        """
        warnings.warn("Use path instead of source_path.", DeprecationWarning)
        return self.path

    def __repr__(self):
        return '<%s: %s>' % (self.__class__.__name__, repr(self._orig_path))

    def completions(self):
        """
        Return :class:`classes.Completion` objects. Those objects contain
        information about the completions, more than just names.

        :return: Completion objects, sorted by name and __ comes last.
        :rtype: list of :class:`classes.Completion`
        """
        def get_completions(user_stmt, bs):
            # TODO this closure is ugly. it also doesn't work with
            # simple_complete (used for Interpreter), somehow redo.
            module = self._evaluator.wrap(self._parser.module())
            names, level, only_modules, unfinished_dotted = \
                helpers.check_error_statements(module, self._pos)
            completion_names = []
            if names is not None:
                imp_names = tuple(str(n) for n in names if n.end_pos < self._pos)
                i = imports.Importer(self._evaluator, imp_names, module, level)
                completion_names = i.completion_names(self._evaluator, only_modules)

            # TODO this paragraph is necessary, but not sure it works.
#.........这里部分代码省略.........

# 需要导入模块: from jedi.parser.user_context import UserContextParser [as 别名]
# 或者: from jedi.parser.user_context.UserContextParser import user_stmt [as 别名]
class Script(object):
    """
    A Script is the base for completions, goto or whatever you want to do with
    |jedi|.

    You can either use the ``source`` parameter or ``path`` to read a file.
    Usually you're going to want to use both of them (in an editor).

    :param source: The source code of the current file, separated by newlines.
    :type source: str
    :param line: The line to perform actions on (starting with 1).
    :type line: int
    :param col: The column of the cursor (starting with 0).
    :type col: int
    :param path: The path of the file in the file system, or ``''`` if
        it hasn't been saved yet.
    :type path: str or None
    :param encoding: The encoding of ``source``, if it is not a
        ``unicode`` object (default ``'utf-8'``).
    :type encoding: str
    :param source_encoding: The encoding of ``source``, if it is not a
        ``unicode`` object (default ``'utf-8'``).
    :type encoding: str
    """
    def __init__(self, source=None, line=None, column=None, path=None,
                 encoding='utf-8', source_path=None, source_encoding=None):
        if source_path is not None:
            warnings.warn("Use path instead of source_path.", DeprecationWarning)
            path = source_path
        if source_encoding is not None:
            warnings.warn("Use encoding instead of source_encoding.", DeprecationWarning)
            encoding = source_encoding

        self._orig_path = path
        self.path = None if path is None else os.path.abspath(path)

        if source is None:
            with open(path) as f:
                source = f.read()

        self.source = common.source_to_unicode(source, encoding)
        lines = common.splitlines(self.source)
        line = max(len(lines), 1) if line is None else line
        if not (0 < line <= len(lines)):
            raise ValueError('`line` parameter is not in a valid range.')

        line_len = len(lines[line - 1])
        column = line_len if column is None else column
        if not (0 <= column <= line_len):
            raise ValueError('`column` parameter is not in a valid range.')
        self._pos = line, column

        cache.clear_time_caches()
        debug.reset_time()
        self._user_context = UserContext(self.source, self._pos)
        self._parser = UserContextParser(self.source, path, self._pos, self._user_context)
        self._evaluator = Evaluator()
        debug.speed('init')

    @property
    def source_path(self):
        """
        .. deprecated:: 0.7.0
           Use :attr:`.path` instead.
        .. todo:: Remove!
        """
        warnings.warn("Use path instead of source_path.", DeprecationWarning)
        return self.path

    def __repr__(self):
        return '<%s: %s>' % (self.__class__.__name__, repr(self._orig_path))

    def completions(self):
        """
        Return :class:`classes.Completion` objects. Those objects contain
        information about the completions, more than just names.

        :return: Completion objects, sorted by name and __ comes last.
        :rtype: list of :class:`classes.Completion`
        """
        def get_completions(user_stmt, bs):
            if isinstance(user_stmt, pr.Import):
                context = self._user_context.get_context()
                next(context)  # skip the path
                if next(context) == 'from':
                    # completion is just "import" if before stands from ..
                    return ((k, bs) for k in keywords.keyword_names('import'))
            return self._simple_complete(path, like)

        def completion_possible(path):
            """
            The completion logic is kind of complicated, because we strip the
            last word part. To ignore certain strange patterns with dots, just
            use regex.
            """
            if re.match('\d+\.\.$|\.{4}$', path):
                return True  # check Ellipsis and float literal `1.`

            return not re.search(r'^\.|^\d\.$|\.\.$', path)

#.........这里部分代码省略.........