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-rw-r--r--third_party/python/six/six.py91
1 files changed, 63 insertions, 28 deletions
diff --git a/third_party/python/six/six.py b/third_party/python/six/six.py
index 357e624abc..4e15675d8b 100644
--- a/third_party/python/six/six.py
+++ b/third_party/python/six/six.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2010-2019 Benjamin Peterson
+# Copyright (c) 2010-2020 Benjamin Peterson
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
@@ -29,7 +29,7 @@ import sys
import types
__author__ = "Benjamin Peterson <benjamin@python.org>"
-__version__ = "1.13.0"
+__version__ = "1.16.0"
# Useful for very coarse version differentiation.
@@ -71,6 +71,11 @@ else:
MAXSIZE = int((1 << 63) - 1)
del X
+if PY34:
+ from importlib.util import spec_from_loader
+else:
+ spec_from_loader = None
+
def _add_doc(func, doc):
"""Add documentation to a function."""
@@ -186,6 +191,11 @@ class _SixMetaPathImporter(object):
return self
return None
+ def find_spec(self, fullname, path, target=None):
+ if fullname in self.known_modules:
+ return spec_from_loader(fullname, self)
+ return None
+
def __get_module(self, fullname):
try:
return self.known_modules[fullname]
@@ -223,6 +233,12 @@ class _SixMetaPathImporter(object):
return None
get_source = get_code # same as get_code
+ def create_module(self, spec):
+ return self.load_module(spec.name)
+
+ def exec_module(self, module):
+ pass
+
_importer = _SixMetaPathImporter(__name__)
@@ -259,7 +275,7 @@ _moved_attributes = [
MovedModule("copyreg", "copy_reg"),
MovedModule("dbm_gnu", "gdbm", "dbm.gnu"),
MovedModule("dbm_ndbm", "dbm", "dbm.ndbm"),
- MovedModule("_dummy_thread", "dummy_thread", "_dummy_thread"),
+ MovedModule("_dummy_thread", "dummy_thread", "_dummy_thread" if sys.version_info < (3, 9) else "_thread"),
MovedModule("http_cookiejar", "cookielib", "http.cookiejar"),
MovedModule("http_cookies", "Cookie", "http.cookies"),
MovedModule("html_entities", "htmlentitydefs", "html.entities"),
@@ -644,9 +660,11 @@ if PY3:
if sys.version_info[1] <= 1:
_assertRaisesRegex = "assertRaisesRegexp"
_assertRegex = "assertRegexpMatches"
+ _assertNotRegex = "assertNotRegexpMatches"
else:
_assertRaisesRegex = "assertRaisesRegex"
_assertRegex = "assertRegex"
+ _assertNotRegex = "assertNotRegex"
else:
def b(s):
return s
@@ -668,6 +686,7 @@ else:
_assertCountEqual = "assertItemsEqual"
_assertRaisesRegex = "assertRaisesRegexp"
_assertRegex = "assertRegexpMatches"
+ _assertNotRegex = "assertNotRegexpMatches"
_add_doc(b, """Byte literal""")
_add_doc(u, """Text literal""")
@@ -684,6 +703,10 @@ def assertRegex(self, *args, **kwargs):
return getattr(self, _assertRegex)(*args, **kwargs)
+def assertNotRegex(self, *args, **kwargs):
+ return getattr(self, _assertNotRegex)(*args, **kwargs)
+
+
if PY3:
exec_ = getattr(moves.builtins, "exec")
@@ -719,16 +742,7 @@ else:
""")
-if sys.version_info[:2] == (3, 2):
- exec_("""def raise_from(value, from_value):
- try:
- if from_value is None:
- raise value
- raise value from from_value
- finally:
- value = None
-""")
-elif sys.version_info[:2] > (3, 2):
+if sys.version_info[:2] > (3,):
exec_("""def raise_from(value, from_value):
try:
raise value from from_value
@@ -808,13 +822,33 @@ if sys.version_info[:2] < (3, 3):
_add_doc(reraise, """Reraise an exception.""")
if sys.version_info[0:2] < (3, 4):
+ # This does exactly the same what the :func:`py3:functools.update_wrapper`
+ # function does on Python versions after 3.2. It sets the ``__wrapped__``
+ # attribute on ``wrapper`` object and it doesn't raise an error if any of
+ # the attributes mentioned in ``assigned`` and ``updated`` are missing on
+ # ``wrapped`` object.
+ def _update_wrapper(wrapper, wrapped,
+ assigned=functools.WRAPPER_ASSIGNMENTS,
+ updated=functools.WRAPPER_UPDATES):
+ for attr in assigned:
+ try:
+ value = getattr(wrapped, attr)
+ except AttributeError:
+ continue
+ else:
+ setattr(wrapper, attr, value)
+ for attr in updated:
+ getattr(wrapper, attr).update(getattr(wrapped, attr, {}))
+ wrapper.__wrapped__ = wrapped
+ return wrapper
+ _update_wrapper.__doc__ = functools.update_wrapper.__doc__
+
def wraps(wrapped, assigned=functools.WRAPPER_ASSIGNMENTS,
updated=functools.WRAPPER_UPDATES):
- def wrapper(f):
- f = functools.wraps(wrapped, assigned, updated)(f)
- f.__wrapped__ = wrapped
- return f
- return wrapper
+ return functools.partial(_update_wrapper, wrapped=wrapped,
+ assigned=assigned, updated=updated)
+ wraps.__doc__ = functools.wraps.__doc__
+
else:
wraps = functools.wraps
@@ -872,12 +906,11 @@ def ensure_binary(s, encoding='utf-8', errors='strict'):
- `str` -> encoded to `bytes`
- `bytes` -> `bytes`
"""
+ if isinstance(s, binary_type):
+ return s
if isinstance(s, text_type):
return s.encode(encoding, errors)
- elif isinstance(s, binary_type):
- return s
- else:
- raise TypeError("not expecting type '%s'" % type(s))
+ raise TypeError("not expecting type '%s'" % type(s))
def ensure_str(s, encoding='utf-8', errors='strict'):
@@ -891,12 +924,15 @@ def ensure_str(s, encoding='utf-8', errors='strict'):
- `str` -> `str`
- `bytes` -> decoded to `str`
"""
- if not isinstance(s, (text_type, binary_type)):
- raise TypeError("not expecting type '%s'" % type(s))
+ # Optimization: Fast return for the common case.
+ if type(s) is str:
+ return s
if PY2 and isinstance(s, text_type):
- s = s.encode(encoding, errors)
+ return s.encode(encoding, errors)
elif PY3 and isinstance(s, binary_type):
- s = s.decode(encoding, errors)
+ return s.decode(encoding, errors)
+ elif not isinstance(s, (text_type, binary_type)):
+ raise TypeError("not expecting type '%s'" % type(s))
return s
@@ -919,10 +955,9 @@ def ensure_text(s, encoding='utf-8', errors='strict'):
raise TypeError("not expecting type '%s'" % type(s))
-
def python_2_unicode_compatible(klass):
"""
- A decorator that defines __unicode__ and __str__ methods under Python 2.
+ A class decorator that defines __unicode__ and __str__ methods under Python 2.
Under Python 3 it does nothing.
To support Python 2 and 3 with a single code base, define a __str__ method