Add static analysis to the CI build

.travis.yml

@@ -3,8 +3,9 @@ python:
 - '2.7'
 - '3.3'
 install:
-- pip install -r requirements.txt
+- pip install -r test_requirements.txt
 - pip install coveralls
+before_script: ./check.sh
 script: coverage run --source=pylast ./test_pylast.py
 after_success:
   coveralls

README.md

@@ -89,7 +89,7 @@ export PYLAST_API_SECRET=TODO_ENTER_YOURS_HERE
 
 To run all:
 ```
-pip install pyyaml
+pip install -r test_requirements.txt
 ./test_pylast.py
 ```
 
@@ -105,9 +105,13 @@ Or all those tests matching a term:
 
 To run with coverage:
 ```
-pip install coverage
 coverage run --source=pylast ./test_pylast.py
 coverage report # for command-line report
 coverage html   # for HTML report
 open htmlcov/index.html
 ```
+
+To perform some static analysis:
+```
+./check.sh
+```

check.sh

@@ -0,0 +1,11 @@
+pyflakes pylast.py
+echo ---
+pyflakes test_pylast.py
+echo ---
+pep8 test_pylast.py
+echo ---
+pep8 pylast.py
+echo ---
+clonedigger --cpd-output pylast.py
+grep "Clones detected" output.html
+grep "lines are duplicates" output.html

requirements.txt

@@ -1 +0,0 @@
-pyyaml

test_requirements.txt

@@ -0,0 +1,5 @@
+clonedigger
+coverage
+pep8
+pyyaml
+pyflakes