Added function to ping a host

Lib/site-packages/setuptools/_reqs.py

@@ -0,0 +1,19 @@
+import setuptools.extern.jaraco.text as text
+
+from pkg_resources import Requirement
+
+
+def parse_strings(strs):
+    """
+    Yield requirement strings for each specification in `strs`.
+
+    `strs` must be a string, or a (possibly-nested) iterable thereof.
+    """
+    return text.join_continuation(map(text.drop_comment, text.yield_lines(strs)))
+
+
+def parse(strs):
+    """
+    Deprecated drop-in replacement for pkg_resources.parse_requirements.
+    """
+    return map(Requirement, parse_strings(strs))