mirror of
https://github.com/PiBrewing/craftbeerpi4.git
synced 2024-12-29 00:41:45 +01:00
136 lines
5.8 KiB
Python
136 lines
5.8 KiB
Python
# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
|
|
# For details: https://github.com/PyCQA/pylint/blob/master/COPYING
|
|
|
|
import collections
|
|
|
|
from astroid import nodes
|
|
|
|
from pylint.constants import MSG_STATE_SCOPE_MODULE, WarningScope
|
|
|
|
|
|
class FileState:
|
|
"""Hold internal state specific to the currently analyzed file"""
|
|
|
|
def __init__(self, modname=None):
|
|
self.base_name = modname
|
|
self._module_msgs_state = {}
|
|
self._raw_module_msgs_state = {}
|
|
self._ignored_msgs = collections.defaultdict(set)
|
|
self._suppression_mapping = {}
|
|
self._effective_max_line_number = None
|
|
|
|
def collect_block_lines(self, msgs_store, module_node):
|
|
"""Walk the AST to collect block level options line numbers."""
|
|
for msg, lines in self._module_msgs_state.items():
|
|
self._raw_module_msgs_state[msg] = lines.copy()
|
|
orig_state = self._module_msgs_state.copy()
|
|
self._module_msgs_state = {}
|
|
self._suppression_mapping = {}
|
|
self._effective_max_line_number = module_node.tolineno
|
|
self._collect_block_lines(msgs_store, module_node, orig_state)
|
|
|
|
def _collect_block_lines(self, msgs_store, node, msg_state):
|
|
"""Recursively walk (depth first) AST to collect block level options
|
|
line numbers.
|
|
"""
|
|
for child in node.get_children():
|
|
self._collect_block_lines(msgs_store, child, msg_state)
|
|
first = node.fromlineno
|
|
last = node.tolineno
|
|
# first child line number used to distinguish between disable
|
|
# which are the first child of scoped node with those defined later.
|
|
# For instance in the code below:
|
|
#
|
|
# 1. def meth8(self):
|
|
# 2. """test late disabling"""
|
|
# 3. pylint: disable=not-callable
|
|
# 4. print(self.blip)
|
|
# 5. pylint: disable=no-member
|
|
# 6. print(self.bla)
|
|
#
|
|
# E1102 should be disabled from line 1 to 6 while E1101 from line 5 to 6
|
|
#
|
|
# this is necessary to disable locally messages applying to class /
|
|
# function using their fromlineno
|
|
if (
|
|
isinstance(node, (nodes.Module, nodes.ClassDef, nodes.FunctionDef))
|
|
and node.body
|
|
):
|
|
firstchildlineno = node.body[0].fromlineno
|
|
else:
|
|
firstchildlineno = last
|
|
for msgid, lines in msg_state.items():
|
|
for lineno, state in list(lines.items()):
|
|
original_lineno = lineno
|
|
if first > lineno or last < lineno:
|
|
continue
|
|
# Set state for all lines for this block, if the
|
|
# warning is applied to nodes.
|
|
message_definitions = msgs_store.get_message_definitions(msgid)
|
|
for message_definition in message_definitions:
|
|
if message_definition.scope == WarningScope.NODE:
|
|
if lineno > firstchildlineno:
|
|
state = True
|
|
first_, last_ = node.block_range(lineno)
|
|
else:
|
|
first_ = lineno
|
|
last_ = last
|
|
for line in range(first_, last_ + 1):
|
|
# do not override existing entries
|
|
if line in self._module_msgs_state.get(msgid, ()):
|
|
continue
|
|
if line in lines: # state change in the same block
|
|
state = lines[line]
|
|
original_lineno = line
|
|
if not state:
|
|
self._suppression_mapping[(msgid, line)] = original_lineno
|
|
try:
|
|
self._module_msgs_state[msgid][line] = state
|
|
except KeyError:
|
|
self._module_msgs_state[msgid] = {line: state}
|
|
del lines[lineno]
|
|
|
|
def set_msg_status(self, msg, line, status):
|
|
"""Set status (enabled/disable) for a given message at a given line"""
|
|
assert line > 0
|
|
try:
|
|
self._module_msgs_state[msg.msgid][line] = status
|
|
except KeyError:
|
|
self._module_msgs_state[msg.msgid] = {line: status}
|
|
|
|
def handle_ignored_message(
|
|
self, state_scope, msgid, line, node, args, confidence
|
|
): # pylint: disable=unused-argument
|
|
"""Report an ignored message.
|
|
|
|
state_scope is either MSG_STATE_SCOPE_MODULE or MSG_STATE_SCOPE_CONFIG,
|
|
depending on whether the message was disabled locally in the module,
|
|
or globally. The other arguments are the same as for add_message.
|
|
"""
|
|
if state_scope == MSG_STATE_SCOPE_MODULE:
|
|
try:
|
|
orig_line = self._suppression_mapping[(msgid, line)]
|
|
self._ignored_msgs[(msgid, orig_line)].add(line)
|
|
except KeyError:
|
|
pass
|
|
|
|
def iter_spurious_suppression_messages(self, msgs_store):
|
|
for warning, lines in self._raw_module_msgs_state.items():
|
|
for line, enable in lines.items():
|
|
if not enable and (warning, line) not in self._ignored_msgs:
|
|
# ignore cyclic-import check which can show false positives
|
|
# here due to incomplete context
|
|
if warning != "R0401":
|
|
yield "useless-suppression", line, (
|
|
msgs_store.get_msg_display_string(warning),
|
|
)
|
|
# don't use iteritems here, _ignored_msgs may be modified by add_message
|
|
for (warning, from_), lines in list(self._ignored_msgs.items()):
|
|
for line in lines:
|
|
yield "suppressed-message", line, (
|
|
msgs_store.get_msg_display_string(warning),
|
|
from_,
|
|
)
|
|
|
|
def get_effective_max_line_number(self):
|
|
return self._effective_max_line_number
|