Fix #203: Handle name parsing of export entries correctly.

Author: vsajip

distlib/util.py

@@ -707,7 +707,7 @@ def __eq__(self, other):
     __hash__ = object.__hash__
 
 
-ENTRY_RE = re.compile(r'''(?P<name>(\w|[-.+])+)
+ENTRY_RE = re.compile(r'''(?P<name>([^\[]\S*))
                       \s*=\s*(?P<callable>(\w+)([:\.]\w+)*)
                       \s*(\[\s*(?P<flags>[\w-]+(=\w+)?(,\s*\w+(=\w+)?)*)\s*\])?
                       ''', re.VERBOSE)

tests/test_util.py

@@ -74,6 +74,12 @@ def test_export_entry(self):
         self.check_entry(get_export_entry('foo=abc'), 'foo', 'abc', None, [])
         self.check_entry(get_export_entry('smc++ = smcpp.frontend:console'), 'smc++',
                                           'smcpp.frontend', 'console', [])
+        # See issue #203 - correct name parsing to allow non-name-like names like ","
+        self.check_entry(get_export_entry(', = comma:main'), ',',
+                                          'comma', 'main', [])
+        self.check_entry(get_export_entry(',comma = comma:main'), ',comma',
+                                          'comma', 'main', [])
+
         self.assertRaises(DistlibException, get_export_entry, 'foo=foo.bar:x:y')
         self.assertRaises(DistlibException, get_export_entry, 'foo=foo.bar:x [')
         self.assertRaises(DistlibException, get_export_entry, 'foo=foo.bar:x ]')