1 files changed, 18 insertions, 0 deletions
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)