ci, deps: no PY26, ddt>=1.1.1, CIs pip install test-requirements

+ Use environment-markers in requirement files (see
http://stackoverflow.com/a/33451105/548792).

Author: ankostis

Diff for: .appveyor.yml

@@ -51,10 +51,8 @@ install:
         conda info -a &
         conda install --yes --quiet  pip
       )
-    - pip install  nose ddt wheel codecov
-    -   IF "%PYTHON_VERSION%" == "2.7" (
-            pip install mock
-        )
+    - pip install -r test-requirements.txt
+    - pip install codecov
 
     ## Copied from `init-tests-after-clone.sh`.
     #

Diff for: .travis.yml

@@ -1,14 +1,10 @@
 language: python
 python:
-  - "2.6"
   - "2.7"
   - "3.3"
   - "3.4"
   - "3.5"
   # - "pypy" - won't work as smmap doesn't work (see gitdb/.travis.yml for details)
-matrix:
-  allow_failures:
-    - python: "2.6"
 git:
   # a higher depth is needed for most of the tests - must be high enough to not actually be shallow
   # as we clone our own repository in the process
@@ -17,7 +13,8 @@ install:
   - python --version; git --version
   - git submodule update --init --recursive
   - git fetch --tags
-  - pip install codecov flake8 ddt sphinx
+  - pip install -r test-requirements.txt
+  - pip install codecov sphinx
 
   # generate some reflog as git-python tests need it (in master)
   - ./init-tests-after-clone.sh

Diff for: git/test/test_repo.py

@@ -900,9 +900,6 @@ def test_is_ancestor(self):
         for i, j in itertools.permutations([c1, 'ffffff', ''], r=2):
             self.assertRaises(GitCommandError, repo.is_ancestor, i, j)
 
-    # @skipIf(HIDE_WINDOWS_KNOWN_ERRORS,
-    #         "FIXME: helper.wrapper fails with: PermissionError: [WinError 5] Access is denied: "
-    #         "'C:\\Users\\appveyor\\AppData\\Local\\Temp\\1\\test_work_tree_unsupportedryfa60di\\master_repo\\.git\\objects\\pack\\pack-bc9e0787aef9f69e1591ef38ea0a6f566ec66fe3.idx")  # noqa E501
     @with_rw_directory
     def test_work_tree_unsupported(self, rw_dir):
         git = Git(rw_dir)

Diff for: git/test/test_submodule.py

@@ -730,7 +730,7 @@ def test_git_submodules_and_add_sm_with_new_commit(self, rwdir):
         assert commit_sm.binsha == sm_too.binsha
         assert sm_too.binsha != sm.binsha
 
-    # @skipIf(HIDE_WINDOWS_KNOWN_ERRORS,
+    # @skipIf(HIDE_WINDOWS_KNOWN_ERRORS,  ## ACTUALLY skipped by `git.submodule.base#L869`.
     #         "FIXME: helper.wrapper fails with: PermissionError: [WinError 5] Access is denied: "
     #         "'C:\\Users\\appveyor\\AppData\\Local\\Temp\\1\\test_work_tree_unsupportedryfa60di\\master_repo\\.git\\objects\\pack\\pack-bc9e0787aef9f69e1591ef38ea0a6f566ec66fe3.idx")  # noqa E501
     @with_rw_directory

Diff for: git/util.py

@@ -56,7 +56,7 @@
 #: so the errors marked with this var are considered "acknowledged" ones, awaiting remedy,
 #: till then, we wish to hide them.
 HIDE_WINDOWS_KNOWN_ERRORS = is_win and os.environ.get('HIDE_WINDOWS_KNOWN_ERRORS', True)
-HIDE_WINDOWS_FREEZE_ERRORS = is_win and os.environ.get('HIDE_WINDOWS_FREEZE_ERRORS', HIDE_WINDOWS_KNOWN_ERRORS)
+HIDE_WINDOWS_FREEZE_ERRORS = is_win and os.environ.get('HIDE_WINDOWS_FREEZE_ERRORS', True)
 
 #{ Utility Methods
 

Diff for: requirements.txt

@@ -1,3 +1,2 @@
 gitdb>=0.6.4
-ddt
-mock
+ddt>=1.1.1

Diff for: setup.py

@@ -68,7 +68,7 @@ def _stamp_version(filename):
 extras_require = {
     ':python_version == "2.6"': ['ordereddict'],
 }
-test_requires = ['ddt']
+test_requires = ['ddt>=1.1.1']
 if sys.version_info[:2] < (2, 7):
     test_requires.append('mock')
 

Diff for: test-requirements.txt

@@ -3,4 +3,4 @@
 coverage
 flake8
 nose
-mock
+mock; python_version<='2.7'