Python 3.10 support: collections.abc (#20441)

lib/spack/external/_pytest/assertion/util.py

@@ -5,9 +5,12 @@
 import _pytest._code
 import py
 try:
-    from collections import Sequence
+    from collections.abc import Sequence
 except ImportError:
-    Sequence = list
+    try:
+        from collections import Sequence
+    except ImportError:
+        Sequence = list
 
 
 u = py.builtin._totext

lib/spack/external/_pytest/main.py

@@ -10,9 +10,12 @@
 import _pytest._code
 import py
 try:
-    from collections import MutableMapping as MappingMixin
+    from collections.abc import MutableMapping as MappingMixin
 except ImportError:
-    from UserDict import DictMixin as MappingMixin
+    try:
+        from collections import MutableMapping as MappingMixin
+    except ImportError:
+        from UserDict import DictMixin as MappingMixin
 
 from _pytest.config import directory_arg, UsageError, hookimpl
 from _pytest.outcomes import exit

lib/spack/external/_pytest/python_api.py

@@ -398,7 +398,10 @@ def approx(expected, rel=None, abs=None, nan_ok=False):
        __ https://docs.python.org/3/reference/datamodel.html#object.__ge__
     """
 
-    from collections import Mapping, Sequence
+    if sys.version_info >= (3, 3):
+        from collections.abc import Mapping, Sequence
+    else:
+        from collections import Mapping, Sequence
     from _pytest.compat import STRING_TYPES as String
 
     # Delegate the comparison to a class that knows how to deal with the type

lib/spack/external/jinja2/runtime.py

@@ -315,10 +315,14 @@ def __repr__(self):
 
 # register the context as mapping if possible
 try:
-    from collections import Mapping
+    from collections.abc import Mapping
     Mapping.register(Context)
 except ImportError:
-    pass
+    try:
+        from collections import Mapping
+        Mapping.register(Context)
+    except ImportError:
+        pass
 
 
 class BlockReference(object):

lib/spack/external/jinja2/sandbox.py

@@ -14,7 +14,7 @@
 """
 import types
 import operator
-from collections import Mapping
+import sys
 from jinja2.environment import Environment
 from jinja2.exceptions import SecurityError
 from jinja2._compat import string_types, PY2
@@ -23,6 +23,11 @@
 from markupsafe import EscapeFormatter
 from string import Formatter
 
+if sys.version_info >= (3, 3):
+    from collections.abc import Mapping
+else:
+    from collections import Mapping
+
 
 #: maximum number of items a range may produce
 MAX_RANGE = 100000
@@ -79,7 +84,10 @@
     pass
 
 #: register Python 2.6 abstract base classes
-from collections import MutableSet, MutableMapping, MutableSequence
+if sys.version_info >= (3, 3):
+    from collections.abc import MutableSet, MutableMapping, MutableSequence
+else:
+    from collections import MutableSet, MutableMapping, MutableSequence
 _mutable_set_types += (MutableSet,)
 _mutable_mapping_types += (MutableMapping,)
 _mutable_sequence_types += (MutableSequence,)

lib/spack/external/jinja2/tests.py

@@ -10,11 +10,16 @@
 """
 import operator
 import re
-from collections import Mapping
+import sys
 from jinja2.runtime import Undefined
 from jinja2._compat import text_type, string_types, integer_types
 import decimal
 
+if sys.version_info >= (3, 3):
+    from collections.abc import Mapping
+else:
+    from collections import Mapping
+
 number_re = re.compile(r'^-?\d+(\.\d+)?$')
 regex_type = type(number_re)
 

lib/spack/external/jinja2/utils.py

@@ -482,10 +482,14 @@ def __reversed__(self):
 
 # register the LRU cache as mutable mapping if possible
 try:
-    from collections import MutableMapping
+    from collections.abc import MutableMapping
     MutableMapping.register(LRUCache)
 except ImportError:
-    pass
+    try:
+        from collections import MutableMapping
+        MutableMapping.register(LRUCache)
+    except ImportError:
+        pass
 
 
 def select_autoescape(enabled_extensions=('html', 'htm', 'xml'),

lib/spack/external/markupsafe/__init__.py

@@ -10,10 +10,15 @@
 """
 import re
 import string
-from collections import Mapping
+import sys
 from markupsafe._compat import text_type, string_types, int_types, \
      unichr, iteritems, PY2
 
+if sys.version_info >= (3, 3):
+    from collections.abc import Mapping
+else:
+    from collections import Mapping
+
 __version__ = "1.0"
 
 __all__ = ['Markup', 'soft_unicode', 'escape', 'escape_silent']

lib/spack/external/ruamel/yaml/comments.py

@@ -9,7 +9,12 @@
 a separate base
 """
 
-from collections import MutableSet
+import sys
+
+if sys.version_info >= (3, 3):
+    from collections.abc import MutableSet
+else:
+    from collections import MutableSet
 
 __all__ = ["CommentedSeq", "CommentedMap", "CommentedOrderedMap",
            "CommentedSet", 'comment_attrib', 'merge_attrib']

lib/spack/external/ruamel/yaml/compat.py

@@ -12,9 +12,12 @@
     from ruamel.ordereddict import ordereddict
 except:
     try:
-        from collections import OrderedDict
+        from collections.abc import OrderedDict
     except ImportError:
-        from ordereddict import OrderedDict
+        try:
+            from collections import OrderedDict
+        except ImportError:
+            from ordereddict import OrderedDict
     # to get the right name import ... as ordereddict doesn't do that
 
     class ordereddict(OrderedDict):

lib/spack/external/ruamel/yaml/constructor.py

@@ -3,7 +3,6 @@
 from __future__ import absolute_import
 from __future__ import print_function
 
-import collections
 import datetime
 import base64
 import binascii
@@ -26,6 +25,12 @@
     from ruamel.yaml.scalarstring import *                           # NOQA
 
 
+if sys.version_info >= (3, 3):
+    from collections.abc import Hashable
+else:
+    from collections import Hashable
+
+
 __all__ = ['BaseConstructor', 'SafeConstructor', 'Constructor',
            'ConstructorError', 'RoundTripConstructor']
 
@@ -163,7 +168,7 @@ def construct_mapping(self, node, deep=False):
             # keys can be list -> deep
             key = self.construct_object(key_node, deep=True)
             # lists are not hashable, but tuples are
-            if not isinstance(key, collections.Hashable):
+            if not isinstance(key, Hashable):
                 if isinstance(key, list):
                     key = tuple(key)
             if PY2:
@@ -175,7 +180,7 @@ def construct_mapping(self, node, deep=False):
                         "found unacceptable key (%s)" %
                         exc, key_node.start_mark)
             else:
-                if not isinstance(key, collections.Hashable):
+                if not isinstance(key, Hashable):
                     raise ConstructorError(
                         "while constructing a mapping", node.start_mark,
                         "found unhashable key", key_node.start_mark)
@@ -959,7 +964,7 @@ def construct_mapping(self, node, maptyp, deep=False):
             # keys can be list -> deep
             key = self.construct_object(key_node, deep=True)
             # lists are not hashable, but tuples are
-            if not isinstance(key, collections.Hashable):
+            if not isinstance(key, Hashable):
                 if isinstance(key, list):
                     key = tuple(key)
             if PY2:
@@ -971,7 +976,7 @@ def construct_mapping(self, node, maptyp, deep=False):
                         "found unacceptable key (%s)" %
                         exc, key_node.start_mark)
             else:
-                if not isinstance(key, collections.Hashable):
+                if not isinstance(key, Hashable):
                     raise ConstructorError(
                         "while constructing a mapping", node.start_mark,
                         "found unhashable key", key_node.start_mark)
@@ -1003,7 +1008,7 @@ def construct_setting(self, node, typ, deep=False):
             # keys can be list -> deep
             key = self.construct_object(key_node, deep=True)
             # lists are not hashable, but tuples are
-            if not isinstance(key, collections.Hashable):
+            if not isinstance(key, Hashable):
                 if isinstance(key, list):
                     key = tuple(key)
             if PY2:
@@ -1015,7 +1020,7 @@ def construct_setting(self, node, typ, deep=False):
                         "found unacceptable key (%s)" %
                         exc, key_node.start_mark)
             else:
-                if not isinstance(key, collections.Hashable):
+                if not isinstance(key, Hashable):
                     raise ConstructorError(
                         "while constructing a mapping", node.start_mark,
                         "found unhashable key", key_node.start_mark)