def test_simple_pragma_no_messages() -> None:
comment = "#pylint: skip-file"
match = OPTION_PO.search(comment)
assert match
for pragma_repr in parse_pragma(match.group(2)):
assert pragma_repr.action == "skip-file"
assert not pragma_repr.messages
def test_simple_pragma_multiple_messages() -> None:
comment = "#pylint: disable = missing-docstring, invalid-name"
match = OPTION_PO.search(comment)
assert match
for pragma_repr in parse_pragma(match.group(2)):
assert pragma_repr.action == "disable"
assert pragma_repr.messages == ["missing-docstring", "invalid-name"]
def test_parse_message_with_dash() -> None:
comment = "#pylint: disable = raw_input-builtin"
match = OPTION_PO.search(comment)
assert match
res = list(parse_pragma(match.group(2)))
assert res[0].action == "disable"
assert res[0].messages == ["raw_input-builtin"]
def test_disable_checker_with_number_in_name() -> None:
comment = "#pylint: disable = j3-custom-checker"
match = OPTION_PO.search(comment)
assert match
for pragma_repr in parse_pragma(match.group(2)):
assert pragma_repr.action == "disable"
assert pragma_repr.messages == ["j3-custom-checker"]
def test_multiple_pragma_multiple_messages():
comment = "#pylint: disable = missing-docstring, invalid-name, enable = R0202, no-self-use"
match = OPTION_PO.search(comment)
res = list(parse_pragma(match.group(2)))
assert res[0].action == "disable"
assert res[0].messages == ["missing-docstring", "invalid-name"]
assert res[1].action == "enable"
assert res[1].messages == ["R0202", "no-self-use"]
def is_line_length_check_activated(pylint_pattern_match_object) -> bool:
"""Return true if the line length check is activated."""
try:
for pragma in parse_pragma(pylint_pattern_match_object.group(2)):
if pragma.action == "disable" and "line-too-long" in pragma.messages:
return False
except PragmaParserError:
# Printing useful information dealing with this error is done in the lint package
pass
return True
def process_tokens(self, tokens):
"""inspect the source to find fixme problems"""
if not self.config.notes:
return
comments = (
token_info for token_info in tokens if token_info.type == tokenize.COMMENT
)
for comment in comments:
comment_text = comment.string[1:].lstrip() # trim '#' and whitespaces
# handle pylint disable clauses
disable_option_match = OPTION_PO.search(comment_text)
if disable_option_match:
try:
values = []
try:
for pragma_repr in (
p_rep
for p_rep in parse_pragma(disable_option_match.group(2))
if p_rep.action == "disable"
):
values.extend(pragma_repr.messages)
except PragmaParserError:
# Printing useful information dealing with this error is done in the lint package
pass
values = [_val.upper() for _val in values]
if set(values) & set(self.config.notes):
continue
except ValueError:
self.add_message(
"bad-inline-option",
args=disable_option_match.group(1).strip(),
line=comment.start[0],
)
continue
# emit warnings if necessary
match = self._fixme_pattern.search("#" + comment_text.lower())
if match:
note = match.group(1)
self.add_message(
"fixme",
col_offset=comment.string.lower().index(note.lower()),
args=comment_text,
line=comment.start[0],
)
def test_missing_message() -> None:
comment = "#pylint: disable = "
match = OPTION_PO.search(comment)
assert match
with pytest.raises(InvalidPragmaError):
list(parse_pragma(match.group(2)))
def test_unknown_keyword_with_messages():
comment = "#pylint: unknown-keyword = missing-docstring"
match = OPTION_PO.search(comment)
with pytest.raises(UnRecognizedOptionError):
list(parse_pragma(match.group(2)))
def test_unknown_keyword_without_messages() -> None:
comment = "#pylint: unknown-keyword"
match = OPTION_PO.search(comment)
assert match
with pytest.raises(UnRecognizedOptionError):
list(parse_pragma(match.group(2)))
def test_unsupported_assignment():
comment = "#pylint: disable-all = missing-docstring"
match = OPTION_PO.search(comment)
with pytest.raises(UnRecognizedOptionError):
for pragma_repr in parse_pragma(match.group(2)):
pass
def test_missing_keyword():
comment = "#pylint: = missing-docstring"
match = OPTION_PO.search(comment)
with pytest.raises(InvalidPragmaError):
for pragma_repr in parse_pragma(match.group(2)):
pass
def test_simple_pragma():
comment = "#pylint: disable = missing-docstring"
match = OPTION_PO.search(comment)
for pragma_repr in parse_pragma(match.group(2)):
assert pragma_repr.action == "disable"
assert pragma_repr.messages == ["missing-docstring"]
def test_missing_keyword() -> None:
comment = "#pylint: = missing-docstring"
match = OPTION_PO.search(comment)
assert match
with pytest.raises(InvalidPragmaError):
list(parse_pragma(match.group(2)))
def test_unknown_keyword_without_messages():
comment = "#pylint: unknown-keyword"
match = OPTION_PO.search(comment)
with pytest.raises(UnRecognizedOptionError):
for pragma_repr in parse_pragma(match.group(2)):
pass
def test_unsupported_assignment() -> None:
comment = "#pylint: disable-all = missing-docstring"
match = OPTION_PO.search(comment)
assert match
with pytest.raises(UnRecognizedOptionError):
list(parse_pragma(match.group(2)))
def test_missing_message():
comment = "#pylint: disable = "
match = OPTION_PO.search(comment)
with pytest.raises(InvalidPragmaError):
for pragma_repr in parse_pragma(match.group(2)):
pass
def process_tokens(self, tokens):
"""process tokens from the current module to search for module/block
level options
"""
control_pragmas = {"disable", "enable"}
prev_line = None
saw_newline = True
seen_newline = True
for (tok_type, content, start, _, _) in tokens:
if prev_line and prev_line != start[0]:
saw_newline = seen_newline
seen_newline = False
prev_line = start[0]
if tok_type in (tokenize.NL, tokenize.NEWLINE):
seen_newline = True
if tok_type != tokenize.COMMENT:
continue
match = OPTION_PO.search(content)
if match is None:
continue
try:
for pragma_repr in parse_pragma(match.group(2)):
if pragma_repr.action in ("disable-all", "skip-file"):
if pragma_repr.action == "disable-all":
self.add_message(
"deprecated-pragma",
line=start[0],
args=("disable-all", "skip-file"),
)
self.add_message("file-ignored", line=start[0])
self._ignore_file = True
return
try:
meth = self._options_methods[pragma_repr.action]
except KeyError:
meth = self._bw_options_methods[pragma_repr.action]
# found a "(dis|en)able-msg" pragma deprecated suppression
self.add_message(
"deprecated-pragma",
line=start[0],
args=(
pragma_repr.action,
pragma_repr.action.replace("-msg", ""),
),
)
for msgid in pragma_repr.messages:
# Add the line where a control pragma was encountered.
if pragma_repr.action in control_pragmas:
self._pragma_lineno[msgid] = start[0]
if (pragma_repr.action, msgid) == ("disable", "all"):
self.add_message(
"deprecated-pragma",
line=start[0],
args=("disable=all", "skip-file"),
)
self.add_message("file-ignored", line=start[0])
self._ignore_file = True
return
# If we did not see a newline between the previous line and now,
# we saw a backslash so treat the two lines as one.
l_start = start[0]
if not saw_newline:
l_start -= 1
try:
meth(msgid, "module", l_start)
except exceptions.UnknownMessageError:
self.add_message("bad-option-value",
args=msgid,
line=start[0])
except UnRecognizedOptionError as err:
self.add_message("unrecognized-inline-option",
args=err.token,
line=start[0])
continue
except InvalidPragmaError as err:
self.add_message("bad-inline-option",
args=err.token,
line=start[0])
continue
def test_missing_assignment():
comment = "#pylint: disable missing-docstring"
match = OPTION_PO.search(comment)
with pytest.raises(InvalidPragmaError):
list(parse_pragma(match.group(2)))