Initial commit

venv/lib/python3.7/site-packages/urllib3/contrib/_appengine_environ.py

@@ -0,0 +1,32 @@
+"""
+This module provides means to detect the App Engine environment.
+"""
+
+import os
+
+
+def is_appengine():
+    return is_local_appengine() or is_prod_appengine() or is_prod_appengine_mvms()
+
+
+def is_appengine_sandbox():
+    return is_appengine() and not is_prod_appengine_mvms()
+
+
+def is_local_appengine():
+    return (
+        "APPENGINE_RUNTIME" in os.environ
+        and "Development/" in os.environ["SERVER_SOFTWARE"]
+    )
+
+
+def is_prod_appengine():
+    return (
+        "APPENGINE_RUNTIME" in os.environ
+        and "Google App Engine/" in os.environ["SERVER_SOFTWARE"]
+        and not is_prod_appengine_mvms()
+    )
+
+
+def is_prod_appengine_mvms():
+    return os.environ.get("GAE_VM", False) == "true"