Fixed issue running the tests under pytest 2 and 3: ignore-glob was not known then.

Author: Sylvain MARIE

pytest_cases/tests/conftest.py

@@ -1,30 +1,55 @@
+import fnmatch
 import sys
 import pytest
-
+import six
 
 pytest_plugins = ["pytester"]
 # In order to run meta-tests, see https://docs.pytest.org/en/latest/writing_plugins.html
 
 
-@pytest.hookimpl(trylast=True)
-def pytest_configure(config):
+def pytest_ignore_collect(path, config):
     """
-    In python 2, add
+    In python 2, equivalent of adding
 
         --ignore-glob='**/*py35*.py'
 
+    This method works even with old pytest 2 and 3.
+    It was copied from recent pytest.main.pytest_ignore_collect
+
+    :param path:
     :param config:
     :return:
     """
     if sys.version_info < (3, 5):
-        print("Python < 3.5: ignoring test files containing 'py35'")
-        OPT = ['**/*py35*.py']
-        if config.option.ignore_glob is None:
-            config.option.ignore_glob = OPT
-        else:
-            config.option.ignore_glob += OPT
-
-        # assert config.getoption('--ignore-glob') == OPT
+        ignore_globs = ['**/*py35*.py']
+        if any(
+                fnmatch.fnmatch(six.text_type(path), six.text_type(glob))
+                for glob in ignore_globs
+        ):
+            return True
+
+
+# @pytest.hookimpl(trylast=True)
+# def pytest_configure(config):
+#     """
+#     In python 2, add
+#
+#         --ignore-glob='**/*py35*.py'
+#
+#     Unfortunately this is not supported in old pytests so we do this in pytest-collect
+#
+#     :param config:
+#     :return:
+#     """
+#     if sys.version_info < (3, 5):
+#         print("Python < 3.5: ignoring test files containing 'py35'")
+#         OPT = ['**/*py35*.py']
+#         if config.option.ignore_glob is None:
+#             config.option.ignore_glob = OPT
+#         else:
+#             config.option.ignore_glob += OPT
+#
+#         assert config.getoption('--ignore-glob') == OPT
 
 
 @pytest.fixture