Add project files.

env/Lib/site-packages/pip/_vendor/pep517/compat.py

@@ -0,0 +1,51 @@
+"""Python 2/3 compatibility"""
+import io
+import json
+import sys
+
+
+# Handle reading and writing JSON in UTF-8, on Python 3 and 2.
+
+if sys.version_info[0] >= 3:
+    # Python 3
+    def write_json(obj, path, **kwargs):
+        with open(path, 'w', encoding='utf-8') as f:
+            json.dump(obj, f, **kwargs)
+
+    def read_json(path):
+        with open(path, 'r', encoding='utf-8') as f:
+            return json.load(f)
+
+else:
+    # Python 2
+    def write_json(obj, path, **kwargs):
+        with open(path, 'wb') as f:
+            json.dump(obj, f, encoding='utf-8', **kwargs)
+
+    def read_json(path):
+        with open(path, 'rb') as f:
+            return json.load(f)
+
+
+# FileNotFoundError
+
+try:
+    FileNotFoundError = FileNotFoundError
+except NameError:
+    FileNotFoundError = IOError
+
+
+if sys.version_info < (3, 6):
+    from toml import load as _toml_load  # noqa: F401
+
+    def toml_load(f):
+        w = io.TextIOWrapper(f, encoding="utf8", newline="")
+        try:
+            return _toml_load(w)
+        finally:
+            w.detach()
+
+    from toml import TomlDecodeError as TOMLDecodeError  # noqa: F401
+else:
+    from pip._vendor.tomli import load as toml_load  # noqa: F401
+    from pip._vendor.tomli import TOMLDecodeError  # noqa: F401