Added api cleaning tools.

tools/api_key_tool.py

@@ -0,0 +1,58 @@
+from __future__ import print_function
+import glob
+import re
+import argparse
+
+tokenString = '[Token '
+fixturesDirectory = 'tests/fixtures/'
+zeroapiregex = r'(\[Token )0{40}(\])'
+anyapiregex = r'(\[Token ).{40}(\])'
+zeroapistring = '[Token '+40*'0'+']'
+
+parser = argparse.ArgumentParser()
+parser.add_argument("path", help="path to test fixtures",
+                    nargs='?', default=fixturesDirectory)
+args = parser.parse_args()
+
+def api_key_detector(file):
+    '''
+    Detect whether the file contains an api key in the Token object that is not 40*'0'.
+    See issue #86.
+    :param file: path-to-file to check
+    :return: boolean
+    '''
+    f = open(file, 'r')
+    text = f.read()
+    if re.search(anyapiregex, text) is not None and  \
+            re.search(zeroapiregex, text) is None:
+        return True
+    return False
+
+
+def api_key_remover(file):
+    '''
+    Change the api key in the Token object to 40*'0'.  See issue #86.
+    :param file: path-to-file to change
+    '''
+    f = open(file, 'r')
+    text = f.read()
+    f.close()
+    text = re.sub(anyapiregex, zeroapistring, text)
+    f = open(file, 'w')
+    f.write(text)
+    f.close()
+    return
+
+
+def main(path):
+    if path[-1] != '/':
+        raise ValueError('Final character in path must be /.')
+    nFilesChanged = 0
+    for file in glob.glob(path+'*.yaml'):
+        if api_key_detector(file):
+            api_key_remover(file)
+            nFilesChanged += 1
+    print("Changed {} files.".format(nFilesChanged))
+
+if __name__ == '__main__':
+    main(args.path)