Enable codecov in AppVeyor CI

Closes #168

Also:
* Added pytest config

Author: webknjaz

.travis.yml

@@ -14,7 +14,7 @@ install:
 - pip install -r requirements/ci.txt
 
 script:
-- pytest --cov=multidict tests
+- pytest
 
 after_success:
 - codecov

appveyor.yml

@@ -21,9 +21,10 @@ build_script:
   - "tools/build.cmd %PYTHON%\\python.exe setup.py bdist_wheel"
 
 test_script:
-  - "tools/build.cmd %PYTHON%\\python.exe -m pytest --junitxml=junit-test-results.xml tests"
+  - "tools/build.cmd %PYTHON%\\python.exe -m pytest"
 
 after_test:
+  - tools/build.cmd %PYTHON%\\python.exe -c "import codecov, os, sys; os.environ['APPVEYOR'] = os.getenv('APPVEYOR', '').replace('true', 'True'); sys.argv += ['-f', 'coverage.xml', '-X', 'gcov']; codecov.main()"
   - ps: |
       $wc = New-Object 'System.Net.WebClient'
       $wc.UploadFile("https://ci.appveyor.com/api/testresults/junit/$($env:APPVEYOR_JOB_ID)", (Resolve-Path .\junit-test-results.xml))

pytest.ini

@@ -0,0 +1,4 @@
+[pytest]
+norecursedirs=dist build .tox docs requirements tools
+addopts=-v -rxs --doctest-modules --junitxml=junit-test-results.xml --cov=multidict --cov-report term-missing:skip-covered --cov-report xml tests
+doctest_optionflags=ALLOW_UNICODE ELLIPSIS

requirements/ci.txt

@@ -11,4 +11,4 @@ mypy==0.530; (python_version>="3.5" or platform_system != "Windows") and platfor
 git+git://github.com/python/mypy.git@b6bcdc0; python_version<"3.5" and platform_system == "Windows"
 -e .
 
-codecov==2.0.9; platform_system!="Windows"  # We only use it in Travis CI
+codecov==2.0.9

tests/gen_pickles.py

@@ -1,6 +1,10 @@
 import pickle
 
-from multidict._multidict import (MultiDict, CIMultiDict)  # noqa
+from multidict._compat import USE_CYTHON
+
+if USE_CYTHON:
+    from multidict._multidict import MultiDict, CIMultiDict  # noqa
+
 from multidict._multidict_py import (MultiDict as PyMultiDict,  # noqa
                                      CIMultiDict as PyCIMultiDict)
 
@@ -14,4 +18,5 @@ def write(name, proto):
 
 for proto in range(pickle.HIGHEST_PROTOCOL):
     for name in ('MultiDict', 'CIMultiDict', 'PyMultiDict', 'PyCIMultiDict'):
-        write(name, proto)
+        if USE_CYTHON or name.startswith('Py'):
+            write(name, proto)