Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 150 insertions, 0 deletions

diff --git a/third_party/python/pip_tools/piptools/_compat/__init__.py b/third_party/python/pip_tools/piptools/_compat/__init__.py
new file mode 100644
index 0000000000..de28628db2
--- /dev/null
+++ b/third_party/python/pip_tools/piptools/_compat/__init__.py
@@ -0,0 +1,26 @@
+# coding: utf-8
+# flake8: noqa
+from __future__ import absolute_import, division, print_function, unicode_literals
+
+import errno
+import os
+
+from pip._vendor import six
+
+from .pip_compat import PIP_VERSION, parse_requirements
+
+if six.PY2:
+    from .tempfile import TemporaryDirectory
+else:
+    from tempfile import TemporaryDirectory
+
+
+def makedirs(name, mode=0o777, exist_ok=False):
+    if six.PY2:
+        try:
+            os.makedirs(name, mode)
+        except OSError as e:
+            if not exist_ok or e.errno != errno.EEXIST:
+                raise
+    else:
+        os.makedirs(name, mode, exist_ok)
diff --git a/third_party/python/pip_tools/piptools/_compat/contextlib.py b/third_party/python/pip_tools/piptools/_compat/contextlib.py
new file mode 100644
index 0000000000..04039ccb01
--- /dev/null
+++ b/third_party/python/pip_tools/piptools/_compat/contextlib.py
@@ -0,0 +1,18 @@
+# Ported from python 3.7 contextlib.py
+class nullcontext(object):
+    """Context manager that does no additional processing.
+    Used as a stand-in for a normal context manager, when a particular
+    block of code is only sometimes used with a normal context manager:
+    cm = optional_cm if condition else nullcontext()
+    with cm:
+        # Perform operation, using optional_cm if condition is True
+    """
+
+    def __init__(self, enter_result=None):
+        self.enter_result = enter_result
+
+    def __enter__(self):
+        return self.enter_result
+
+    def __exit__(self, *excinfo):
+        pass
diff --git a/third_party/python/pip_tools/piptools/_compat/pip_compat.py b/third_party/python/pip_tools/piptools/_compat/pip_compat.py
new file mode 100644
index 0000000000..6cd24a0ff9
--- /dev/null
+++ b/third_party/python/pip_tools/piptools/_compat/pip_compat.py
@@ -0,0 +1,18 @@
+# -*- coding=utf-8 -*-
+from __future__ import absolute_import
+
+import pip
+from pip._internal.req import parse_requirements as _parse_requirements
+from pip._internal.req.constructors import install_req_from_parsed_requirement
+from pip._vendor.packaging.version import parse as parse_version
+
+PIP_VERSION = tuple(map(int, parse_version(pip.__version__).base_version.split(".")))
+
+
+def parse_requirements(
+    filename, session, finder=None, options=None, constraint=False, isolated=False
+):
+    for parsed_req in _parse_requirements(
+        filename, session, finder=finder, options=options, constraint=constraint
+    ):
+        yield install_req_from_parsed_requirement(parsed_req, isolated=isolated)
diff --git a/third_party/python/pip_tools/piptools/_compat/tempfile.py b/third_party/python/pip_tools/piptools/_compat/tempfile.py
new file mode 100644
index 0000000000..dc7e9ef997
--- /dev/null
+++ b/third_party/python/pip_tools/piptools/_compat/tempfile.py
@@ -0,0 +1,88 @@
+# coding: utf-8
+from __future__ import absolute_import, division, print_function
+
+import os as _os
+import sys as _sys
+import warnings as _warnings
+from tempfile import mkdtemp
+
+
+class TemporaryDirectory(object):
+    """Create and return a temporary directory.  This has the same
+    behavior as mkdtemp but can be used as a context manager.  For
+    example:
+
+        with TemporaryDirectory() as tmpdir:
+            ...
+
+    Upon exiting the context, the directory and everything contained
+    in it are removed.
+    """
+
+    def __init__(self, suffix="", prefix="tmp", dir=None):
+        self._closed = False
+        self.name = None  # Handle mkdtemp raising an exception
+        self.name = mkdtemp(suffix, prefix, dir)
+
+    def __repr__(self):
+        return "<{} {!r}>".format(self.__class__.__name__, self.name)
+
+    def __enter__(self):
+        return self.name
+
+    def cleanup(self):
+        if self.name and not self._closed:
+            try:
+                self._rmtree(self.name)
+            except (TypeError, AttributeError) as ex:
+                # Issue #10188: Emit a warning on stderr
+                # if the directory could not be cleaned
+                # up due to missing globals
+                if "None" not in str(ex):
+                    raise
+                print(
+                    "ERROR: {!r} while cleaning up {!r}".format(ex, self),
+                    file=_sys.stderr,
+                )
+                return
+            self._closed = True
+
+    def __exit__(self, exc, value, tb):
+        self.cleanup()
+
+    def __del__(self):
+        # Issue a ResourceWarning if implicit cleanup needed
+        self.cleanup()
+
+    # XXX (ncoghlan): The following code attempts to make
+    # this class tolerant of the module nulling out process
+    # that happens during CPython interpreter shutdown
+    # Alas, it doesn't actually manage it. See issue #10188
+    _listdir = staticmethod(_os.listdir)
+    _path_join = staticmethod(_os.path.join)
+    _isdir = staticmethod(_os.path.isdir)
+    _islink = staticmethod(_os.path.islink)
+    _remove = staticmethod(_os.remove)
+    _rmdir = staticmethod(_os.rmdir)
+    _warn = _warnings.warn
+
+    def _rmtree(self, path):
+        # Essentially a stripped down version of shutil.rmtree.  We can't
+        # use globals because they may be None'ed out at shutdown.
+        for name in self._listdir(path):
+            fullname = self._path_join(path, name)
+            try:
+                isdir = self._isdir(fullname) and not self._islink(fullname)
+            except OSError:
+                isdir = False
+            if isdir:
+                self._rmtree(fullname)
+            else:
+                try:
+                    self._remove(fullname)
+                except OSError:
+                    pass
+        try:
+            self._rmdir(path)
+        except OSError:
+            pass