Add coveralls

.coveragerc

@@ -0,0 +1,14 @@
+[run]
+branch = True
+source =
+    pymysql
+
+
+[report]
+exclude_lines =
+    pragma: no cover
+    except ImportError:
+    if DEBUG:
+    def __repr__
+    def __str__
+    raise NotImplementedError

.travis.yml

@@ -23,12 +23,16 @@ matrix:
           env: TOX_ENV=py34
 
 install:
-    - pip install -U tox
+    - pip install -U tox coveralls
 
 before_script:
     - "mysql -e 'create database test_pymysql  DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;'"
     - "mysql -e 'create database test_pymysql2 DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;'"
     - "mysql -e 'select VERSION();'"
     - cp .travis.databases.json pymysql/tests/databases.json
+    - export COVERALLS_PARALLEL=true
+
+after_success:
+    - coveralls
 
 script: tox -e $TOX_ENV

tox.ini

@@ -2,5 +2,6 @@
 envlist = py26,py27,py33,py34,pypy,pypy3
 
 [testenv]
-commands = ./runtests.py
+commands = coverage run ./runtests.py
 deps = unittest2
+       coverage