add --autopep8 option to ./run-tests.py

run-tests.py

@@ -37,8 +37,22 @@ def exitonfailure(exitstatus, cmd=None):
             print(cmd)
         exit(exitstatus)
 
+def run_autopep8(args):
+        import autopep8
+        if autopep8.__version__ < '1.2':
+            print('upgrade to autopep8 >= 1.2 (installed: {:})'.format(str(autopep8.__version__)))
+            exit(1)
+        autopep8mode = '--in-place' if args.autopep8 == 'fix' else '--diff'
+        cmd = 'autopep8 -r postpic --ignore-local-config ' + autopep8mode + ' ' \
+              '--ignore=W391,E123,E226,E24 --max-line-length=99'
+        print('===== running autopep8 =====')
+        print('$ ' + cmd)
+        subprocess.call(cmd, shell=True)
 
-def main():
+def run_alltests():
+    '''
+    runs all tests on postpic. This function has to exit without error on every commit!
+    '''
     # make sure .pyx sources are up to date and compiled
     subprocess.call(os.path.join('.', 'setup.py build_ext --inplace'), shell=True)
     # run nose tests
@@ -56,6 +70,26 @@ def main():
         print('$ ' + cmd)
         exitonfailure(subprocess.call(cmd, shell=True), cmd=cmd)
 
+def main():
+    import argparse
+    parser = argparse.ArgumentParser(description='''
+        Without arguments this runs all tests
+        on the postpic codebase.
+        This script MUST EXIT WITHOUT ERROR on EVERY commit!
+        ''')
+    parser.add_argument('--autopep8', default='', nargs='?', metavar='fix',
+                        help='''
+        run "autopep8" on the codebase.
+        Use "--autopep8" to preview changes. To apply them, use
+        "--autopep8 fix"
+        ''')
+    args = parser.parse_args()
+
+    if args.autopep8 != '':
+        run_autopep8(args)
+        exit()
+
+    run_alltests()
 
 if __name__ == '__main__':
     main()