Merge pull request #1859 from nailor/support-no-use-wheel

req: Support --no-use-wheel flag in requirements.txt

docs/reference/pip_install.rst

@@ -42,6 +42,7 @@ Additionally, the following Package Index Options are supported:
   *  :ref:`--allow-external <--allow-external>`
   *  :ref:`--allow-all-external <--allow-external>`
   *  :ref:`--allow-unverified <--allow-unverified>`
+  *  :ref:`--no-use-wheel <install_--no-use-wheel>`
 
 For example, to specify :ref:`--no-index <--no-index>` and 2 :ref:`--find-links <--find-links>` locations:
 

pip/req/req_file.py

@@ -82,7 +82,10 @@ def parse_requirements(filename, finder=None, comes_from=None, options=None,
             if finder:
                 finder.index_urls.append(line)
         elif line.startswith('--use-wheel'):
-            finder.use_wheel = True
+            # Default in 1.6
+            pass
+        elif line.startswith('--no-use-wheel'):
+            finder.use_wheel = False
         elif line.startswith('--no-index'):
             finder.index_urls = []
         elif line.startswith("--allow-external"):

tests/data/reqfiles/supported_options.txt

@@ -1,2 +1,2 @@
 # requirement file containing various supported options
---use-wheel
+--no-use-wheel

tests/unit/test_req.py

@@ -191,16 +191,16 @@ def test_remote_reqs_parse():
         pass
 
 
-def test_req_file_parse_use_wheel(data):
+def test_req_file_parse_no_use_wheel(data):
     """
-    Test parsing --use-wheel from a req file
+    Test parsing --no-use-wheel from a req file
     """
     finder = PackageFinder([], [], session=PipSession())
     for req in parse_requirements(
             data.reqfiles.join("supported_options.txt"), finder,
             session=PipSession()):
         pass
-    assert finder.use_wheel
+    assert not finder.use_wheel
 
 
 def test_req_file_parse_comment_start_of_line(tmpdir):