making an exclusive pylint run

.travis.yml

@@ -11,6 +11,7 @@ env:
   - TDB_TYPE=postgres TDB_DRIVER=psycopg2 PYFARM_DATABASE_URI="postgresql+psycopg2://postgres:@127.0.0.1/pyfarm" PYFARM_CONFIG="prod" PYFARM_SECRET_KEY="travis"
   - TDB_TYPE=mysql TDB_DRIVER="mysql-connector-python --allow-external mysql-connector-python" PYFARM_DATABASE_URI="mysql+mysqlconnector://travis:@127.0.0.1/pyfarm" PYFARM_CONFIG="debug"
   - TDB_TYPE=mysql TDB_DRIVER="mysql-connector-python --allow-external mysql-connector-python" PYFARM_DATABASE_URI="mysql+mysqlconnector://travis:@127.0.0.1/pyfarm" PYFARM_CONFIG="prod" PYFARM_SECRET_KEY="travis"
+  - PYLINT=1
 
 matrix:
   fast_finish: true
@@ -22,24 +23,25 @@ before_install:
   - curl https://raw.githubusercontent.com/pyfarm/pyfarm/master/misc/retry.sh -o retry.sh
   - source retry.sh
   - if [[ $TDB_DRIVER != "" ]]; then retry pip install $TDB_DRIVER --quiet; fi
+  - if [[ $PYLINT == "1" ]]; then retry pip install pylint; fi
 
 install:
-  - retry pip install coverage python-coveralls --quiet
-  - retry pip install git+git://github.com/pyfarm/pyfarm-core.git#egg=pyfarm.core --egg --quiet
-  - retry pip install -e . --egg --quiet
+  - if [[ $PYLINT != "1" ]]; then retry pip install coverage python-coveralls --quiet; fi
+  - if [[ $PYLINT != "1" ]]; then retry pip install git+git://github.com/pyfarm/pyfarm-core.git#egg=pyfarm.core --egg --quiet; fi
+  - if [[ $PYLINT != "1" ]]; then retry pip install -e . --egg --quiet; fi
 
 before_script:
   - if [[ $TDB_TYPE == "postgres" ]]; then psql -c "create database pyfarm;" -U postgres; fi
   - if [[ $TDB_TYPE == "mysql" ]]; then mysql -e "create database pyfarm;"; fi
 
 script:
-  - pip freeze
-  - nosetests -s --verbose --with-coverage --cover-package=pyfarm.models tests/test_models
-  - mv -v .coverage .coverage.1
-  - nosetests -s --verbose --with-coverage --cover-package=pyfarm.master tests/test_master
-  - mv -v .coverage .coverage.2
-  - coverage combine
-  - pylint pyfarm --errors-only
+  - if [[ $PYLINT != "1" ]]; then pip freeze; fi
+  - if [[ $PYLINT != "1" ]]; then nosetests -s --verbose --with-coverage --cover-package=pyfarm.models tests/test_models; fi
+  - if [[ $PYLINT != "1" ]]; then mv -v .coverage .coverage.1; fi
+  - if [[ $PYLINT != "1" ]]; then nosetests -s --verbose --with-coverage --cover-package=pyfarm.master tests/test_master; fi
+  - if [[ $PYLINT != "1" ]]; then mv -v .coverage .coverage.2; fi
+  - if [[ $PYLINT != "1" ]]; then coverage combine; fi
+  - if [[ $PYLINT == "1" ]]; then pylint pyfarm --errors-only; fi
 
 after_success:
  - coveralls