Initial commit

venv/lib/python3.8/site-packages/astroid/brain/brain_collections.py

@@ -0,0 +1,75 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2016, 2018 Claudiu Popa <pcmanticore@gmail.com>
+# Copyright (c) 2016-2017 Łukasz Rogalski <rogalski.91@gmail.com>
+# Copyright (c) 2017 Derek Gustafson <degustaf@gmail.com>
+# Copyright (c) 2018 Ioana Tagirta <ioana.tagirta@gmail.com>
+# Copyright (c) 2019 Hugo van Kemenade <hugovk@users.noreply.github.com>
+
+# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
+# For details: https://github.com/PyCQA/astroid/blob/master/COPYING.LESSER
+import sys
+
+import astroid
+
+
+def _collections_transform():
+    return astroid.parse(
+        """
+    class defaultdict(dict):
+        default_factory = None
+        def __missing__(self, key): pass
+        def __getitem__(self, key): return default_factory
+
+    """
+        + _deque_mock()
+        + _ordered_dict_mock()
+    )
+
+
+def _deque_mock():
+    base_deque_class = """
+    class deque(object):
+        maxlen = 0
+        def __init__(self, iterable=None, maxlen=None):
+            self.iterable = iterable or []
+        def append(self, x): pass
+        def appendleft(self, x): pass
+        def clear(self): pass
+        def count(self, x): return 0
+        def extend(self, iterable): pass
+        def extendleft(self, iterable): pass
+        def pop(self): return self.iterable[0]
+        def popleft(self): return self.iterable[0]
+        def remove(self, value): pass
+        def reverse(self): return reversed(self.iterable)
+        def rotate(self, n=1): return self
+        def __iter__(self): return self
+        def __reversed__(self): return self.iterable[::-1]
+        def __getitem__(self, index): return self.iterable[index]
+        def __setitem__(self, index, value): pass
+        def __delitem__(self, index): pass
+        def __bool__(self): return bool(self.iterable)
+        def __nonzero__(self): return bool(self.iterable)
+        def __contains__(self, o): return o in self.iterable
+        def __len__(self): return len(self.iterable)
+        def __copy__(self): return deque(self.iterable)
+        def copy(self): return deque(self.iterable)
+        def index(self, x, start=0, end=0): return 0
+        def insert(self, x, i): pass
+        def __add__(self, other): pass
+        def __iadd__(self, other): pass
+        def __mul__(self, other): pass
+        def __imul__(self, other): pass
+        def __rmul__(self, other): pass"""
+    return base_deque_class
+
+
+def _ordered_dict_mock():
+    base_ordered_dict_class = """
+    class OrderedDict(dict):
+        def __reversed__(self): return self[::-1]
+        def move_to_end(self, key, last=False): pass"""
+    return base_ordered_dict_class
+
+
+astroid.register_module_extender(astroid.MANAGER, "collections", _collections_transform)