rework coverage calculation for coveralls.io

.coveragerc

@@ -0,0 +1,15 @@
+# .coveragerc to control coverage.py
+[run]
+branch = True
+
+[report]
+# Regexes for lines to exclude from consideration
+exclude_lines =
+    # Have to re-enable the standard pragma
+    pragma: no cover
+
+    # No need to test __repr__
+    def __repr__
+
+    # Python 2/3 compatibility
+    except ImportError

.travis.yml

@@ -5,7 +5,13 @@ python:
   - "3.2"
   - "3.3"
   - "pypy"
-# command to install dependencies
-install: pip install -r requirements.txt
-# command to run tests
-script: nosetests tests.py
+
+install:
+  - pip install -r requirements.txt
+  - pip install coveralls --use-mirrors
+
+script:
+  - coverage run --source=jsonpatch tests.py
+
+after_script:
+  - coveralls

makefile

@@ -0,0 +1,17 @@
+
+help:
+	@echo "jsonpatch"
+	@echo "Makefile targets"
+	@echo " - test: run tests"
+	@echo " - coverage: run tests with coverage"
+	@echo
+	@echo "To install jsonpatch, type"
+	@echo "  python setup.py install"
+	@echo
+
+test:
+	python tests.py
+
+coverage:
+	coverage run --source=jsonpatch tests.py
+	coverage report -m

tests.py

@@ -249,7 +249,6 @@ class MakePatchTestCase(unittest.TestCase):
 
 
 modules = ['jsonpatch']
-coverage_modules = []
 
 
 def get_suite():
@@ -265,33 +264,11 @@ suite = get_suite()
 
 for module in modules:
     m = __import__(module, fromlist=[module])
-    coverage_modules.append(m)
     suite.addTest(doctest.DocTestSuite(m))
 
 runner = unittest.TextTestRunner(verbosity=1)
 
-try:
-    import coverage
-except ImportError:
-    coverage = None
-
-if coverage is not None:
-    coverage.erase()
-    coverage.start()
-
 result = runner.run(suite)
 
 if not result.wasSuccessful():
     sys.exit(1)
-
-if coverage is not None:
-    coverage.stop()
-    coverage.report(coverage_modules)
-    coverage.erase()
-
-if coverage is None:
-    sys.stderr.write("""
-No coverage reporting done (Python module "coverage" is missing)
-Please install the python-coverage package to get coverage reporting.
-""")
-    sys.stderr.flush()