Don't replace '+' in dist-info/METADATA

Building upon patch from [#1299][1]

[1]: https://github.com/sdispater/poetry/pull/1299/commits

Co-authored-by: David Hotham <david.hotham@metaswitch.com>

poetry/masonry/builders/wheel.py

@@ -214,7 +214,7 @@ class WheelBuilder(Builder):
 
 
     def dist_info_name(self, distribution, version):  # type: (...) -> str
     def dist_info_name(self, distribution, version):  # type: (...) -> str
         escaped_name = re.sub(r"[^\w\d.]+", "_", distribution, flags=re.UNICODE)
         escaped_name = re.sub(r"[^\w\d.]+", "_", distribution, flags=re.UNICODE)
-        escaped_version = re.sub(r"[^\w\d.]+", "_", version, flags=re.UNICODE)
+        escaped_version = re.sub(r"[^\w\d.+]+", "_", version, flags=re.UNICODE)
 
 
         return "{}-{}.dist-info".format(escaped_name, escaped_version)
         return "{}-{}.dist-info".format(escaped_name, escaped_version)
 
 

tests/masonry/builders/test_wheel.py

@@ -64,15 +64,14 @@ def test_wheel_prerelease():
 def test_wheel_localversionlabel():
 def test_wheel_localversionlabel():
     module_path = fixtures_dir / "localversionlabel"
     module_path = fixtures_dir / "localversionlabel"
     WheelBuilder.make(Poetry.create(str(module_path)), NullEnv(), NullIO())
     WheelBuilder.make(Poetry.create(str(module_path)), NullEnv(), NullIO())
-
-    whl = (
-        module_path
-        / "dist"
-        / "localversionlabel-0.1b1+gitbranch.buildno.1-py2.py3-none-any.whl"
-    )
+    local_version_string = "localversionlabel-0.1b1+gitbranch.buildno.1"
+    whl = module_path / "dist" / (local_version_string + "-py2.py3-none-any.whl")
 
 
     assert whl.exists()
     assert whl.exists()
 
 
+    with zipfile.ZipFile(str(whl)) as z:
+        assert local_version_string + ".dist-info/METADATA" in z.namelist()
+
 
 
 def test_wheel_package_src():
 def test_wheel_package_src():
     module_path = fixtures_dir / "source_package"
     module_path = fixtures_dir / "source_package"