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Diffstat (limited to 'venv/Lib/site-packages/pylint/pyreverse/utils.py')
| -rw-r--r-- | venv/Lib/site-packages/pylint/pyreverse/utils.py | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/venv/Lib/site-packages/pylint/pyreverse/utils.py b/venv/Lib/site-packages/pylint/pyreverse/utils.py deleted file mode 100644 index 5a1e7e2..0000000 --- a/venv/Lib/site-packages/pylint/pyreverse/utils.py +++ /dev/null @@ -1,220 +0,0 @@ -# Copyright (c) 2006, 2008, 2010, 2013-2014 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr> -# Copyright (c) 2014 Brett Cannon <brett@python.org> -# Copyright (c) 2014 Arun Persaud <arun@nubati.net> -# Copyright (c) 2015-2017 Claudiu Popa <pcmanticore@gmail.com> -# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro> -# Copyright (c) 2017 hippo91 <guillaume.peillex@gmail.com> -# Copyright (c) 2018 ssolanki <sushobhitsolanki@gmail.com> - -# 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 - -""" -generic classes/functions for pyreverse core/extensions -""" -import os -import re -import sys - -########### pyreverse option utils ############################## - - -RCFILE = ".pyreverserc" - - -def get_default_options(): - """ - Read config file and return list of options - """ - options = [] - home = os.environ.get("HOME", "") - if home: - rcfile = os.path.join(home, RCFILE) - try: - options = open(rcfile).read().split() - except IOError: - pass # ignore if no config file found - return options - - -def insert_default_options(): - """insert default options to sys.argv - """ - options = get_default_options() - options.reverse() - for arg in options: - sys.argv.insert(1, arg) - - -# astroid utilities ########################################################### - -SPECIAL = re.compile("^__[A-Za-z0-9]+[A-Za-z0-9_]*__$") -PRIVATE = re.compile("^__[_A-Za-z0-9]*[A-Za-z0-9]+_?$") -PROTECTED = re.compile("^_[_A-Za-z0-9]*$") - - -def get_visibility(name): - """return the visibility from a name: public, protected, private or special - """ - if SPECIAL.match(name): - visibility = "special" - elif PRIVATE.match(name): - visibility = "private" - elif PROTECTED.match(name): - visibility = "protected" - - else: - visibility = "public" - return visibility - - -ABSTRACT = re.compile("^.*Abstract.*") -FINAL = re.compile("^[A-Z_]*$") - - -def is_abstract(node): - """return true if the given class node correspond to an abstract class - definition - """ - return ABSTRACT.match(node.name) - - -def is_final(node): - """return true if the given class/function node correspond to final - definition - """ - return FINAL.match(node.name) - - -def is_interface(node): - # bw compat - return node.type == "interface" - - -def is_exception(node): - # bw compat - return node.type == "exception" - - -# Helpers ##################################################################### - -_CONSTRUCTOR = 1 -_SPECIAL = 2 -_PROTECTED = 4 -_PRIVATE = 8 -MODES = { - "ALL": 0, - "PUB_ONLY": _SPECIAL + _PROTECTED + _PRIVATE, - "SPECIAL": _SPECIAL, - "OTHER": _PROTECTED + _PRIVATE, -} -VIS_MOD = { - "special": _SPECIAL, - "protected": _PROTECTED, - "private": _PRIVATE, - "public": 0, -} - - -class FilterMixIn: - """filter nodes according to a mode and nodes' visibility - """ - - def __init__(self, mode): - "init filter modes" - __mode = 0 - for nummod in mode.split("+"): - try: - __mode += MODES[nummod] - except KeyError as ex: - print("Unknown filter mode %s" % ex, file=sys.stderr) - self.__mode = __mode - - def show_attr(self, node): - """return true if the node should be treated - """ - visibility = get_visibility(getattr(node, "name", node)) - return not self.__mode & VIS_MOD[visibility] - - -class ASTWalker: - """a walker visiting a tree in preorder, calling on the handler: - - * visit_<class name> on entering a node, where class name is the class of - the node in lower case - - * leave_<class name> on leaving a node, where class name is the class of - the node in lower case - """ - - def __init__(self, handler): - self.handler = handler - self._cache = {} - - def walk(self, node, _done=None): - """walk on the tree from <node>, getting callbacks from handler""" - if _done is None: - _done = set() - if node in _done: - raise AssertionError((id(node), node, node.parent)) - _done.add(node) - self.visit(node) - for child_node in node.get_children(): - assert child_node is not node - self.walk(child_node, _done) - self.leave(node) - assert node.parent is not node - - def get_callbacks(self, node): - """get callbacks from handler for the visited node""" - klass = node.__class__ - methods = self._cache.get(klass) - if methods is None: - handler = self.handler - kid = klass.__name__.lower() - e_method = getattr( - handler, "visit_%s" % kid, getattr(handler, "visit_default", None) - ) - l_method = getattr( - handler, "leave_%s" % kid, getattr(handler, "leave_default", None) - ) - self._cache[klass] = (e_method, l_method) - else: - e_method, l_method = methods - return e_method, l_method - - def visit(self, node): - """walk on the tree from <node>, getting callbacks from handler""" - method = self.get_callbacks(node)[0] - if method is not None: - method(node) - - def leave(self, node): - """walk on the tree from <node>, getting callbacks from handler""" - method = self.get_callbacks(node)[1] - if method is not None: - method(node) - - -class LocalsVisitor(ASTWalker): - """visit a project by traversing the locals dictionary""" - - def __init__(self): - ASTWalker.__init__(self, self) - self._visited = set() - - def visit(self, node): - """launch the visit starting from the given node""" - if node in self._visited: - return None - - self._visited.add(node) - methods = self.get_callbacks(node) - if methods[0] is not None: - methods[0](node) - if hasattr(node, "locals"): # skip Instance and other proxy - for local_node in node.values(): - self.visit(local_node) - if methods[1] is not None: - return methods[1](node) - return None |