Use entry_points instead of scripts in setup.py

This allows a fine-grained control of the dependencies, because it generates a wrapper script
that calls the specifiend function (i.e., main inside cheat/app.py)

cheat/app.py

@@ -31,12 +31,13 @@ Options:
 """
 
 # require the dependencies
-from cheat import *
+import sheet
-from cheat.utils import *
+import sheets
+from utils import *
 from docopt import docopt
 
 
-if __name__ == '__main__':
+def main():
     # parse the command-line options
     options = docopt(__doc__, version='cheat 2.1.3')
 
@@ -59,3 +60,6 @@ if __name__ == '__main__':
     # print the cheatsheet
     else:
         print(colorize(sheet.read(options['<cheatsheet>'])))
+
+if __name__ == '__main__':
+    main()

setup.py

@@ -23,7 +23,11 @@ setup(
     package_data = {
         'cheat.cheatsheets': ['*'],
     },
-    scripts          = ['bin/cheat'],
+    entry_points = {
+        'console_scripts': [
+            'cheat = cheat.app:main',
+        ],
+    },
     install_requires = [
         'docopt >= 0.6.1',
         'pygments >= 1.6.0',