Exemplo n.º 1
0
def replace_bare_funcalls(code, replacer):
    tokens = []
    for (token_type, token, origin, props) in annotated_tokens(code):
        if props["bare_ref"] and props["bare_funcall"]:
            token = replacer(token)
        tokens.append((token_type, token))
    return pretty_untokenize(tokens)
Exemplo n.º 2
0
def _read_python_expr(it, end_tokens):
    # Read out a full python expression, stopping when we hit an
    # unnested end token.
    pytypes = []
    token_strings = []
    origins = []
    bracket_level = 0
    for pytype, token_string, origin in it:
        assert bracket_level >= 0
        if bracket_level == 0 and token_string in end_tokens:
            it.push_back((pytype, token_string, origin))
            break
        if token_string in ("(", "[", "{"):
            bracket_level += 1
        if token_string in (")", "]", "}"):
            bracket_level -= 1
        if bracket_level < 0:
            raise PatsyError("unmatched close bracket", origin)
        pytypes.append(pytype)
        token_strings.append(token_string)
        origins.append(origin)
    # Either we found an end_token, or we hit the end of the string
    if bracket_level == 0:
        expr_text = pretty_untokenize(zip(pytypes, token_strings))
        if expr_text == "0":
            token_type = "ZERO"
        elif expr_text == "1":
            token_type = "ONE"
        elif _is_a(int, expr_text) or _is_a(float, expr_text):
            token_type = "NUMBER"
        else:
            token_type = "PYTHON_EXPR"
        return Token(token_type, Origin.combine(origins), extra=expr_text)
    else:
        raise PatsyError("unclosed bracket in embedded Python " "expression", Origin.combine(origins))
Exemplo n.º 3
0
def capture_obj_method_calls(obj_name, code):
    capturers = []
    for (token_type, token, origin, props) in annotated_tokens(code):
        for capturer in capturers:
            capturer.add_token(token_type, token)
        if props["bare_ref"] and token == obj_name:
            capturers.append(_FuncallCapturer(token_type, token))
    return [("".join(capturer.func), pretty_untokenize(capturer.tokens))
            for capturer in capturers]
Exemplo n.º 4
0
def _read_python_expr(it, end_tokens):
    # Read out a full python expression, stopping when we hit an
    # unnested end token.
    pytypes = []
    token_strings = []
    origins = []
    bracket_level = 0
    for pytype, token_string, origin in it:
        assert bracket_level >= 0
        if bracket_level == 0 and token_string in end_tokens:
            it.push_back((pytype, token_string, origin))
            break
        if token_string in ("(", "[", "{"):
            bracket_level += 1
        if token_string in (")", "]", "}"):
            bracket_level -= 1
        if bracket_level < 0:
            raise PatsyError("unmatched close bracket", origin)
        pytypes.append(pytype)
        token_strings.append(token_string)
        origins.append(origin)
    # Either we found an end_token, or we hit the end of the string
    if bracket_level == 0:
        expr_text = pretty_untokenize(zip(pytypes, token_strings))
        if expr_text == "0":
            token_type = "ZERO"
        elif expr_text == "1":
            token_type = "ONE"
        elif _is_a(int, expr_text) or _is_a(float, expr_text):
            token_type = "NUMBER"
        else:
            token_type = "PYTHON_EXPR"
        return Token(token_type, Origin.combine(origins), extra=expr_text)
    else:
        raise PatsyError("unclosed bracket in embedded Python "
                            "expression",
                            Origin.combine(origins))