Merge branch 'master' of https://github.com/bradtse/cheat into bradtse-master

* 'master' of https://github.com/bradtse/cheat:
  Added in a create option also
  Added in an edit option that allows a user to edit the cheatsheet from their default editor. Also made some visual changes to the output of the cheatsheet.

cheat

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 import os
 import sys
+import subprocess
 
 DEFAULT_CHEAT_DIR = os.path.join(os.path.expanduser('~'), '.cheat')
 USE_PYGMENTS      = False
@@ -45,6 +46,30 @@ def cheat_files(cheat_directories):
                             and not cheat.startswith('__')]))
     return cheats
 
+def edit_cheatsheet(cheat, cheatsheets):
+    "Edit a pre-existing cheatsheet."
+    if cheat not in cheatsheets:
+        print 'No cheatsheet found for "%s"' % cheat
+        ans = raw_input('Create cheatsheet for "%s" (Y/N)? ' % cheat)
+        if ans.lower() in ['y', 'yes']:
+            create_cheatsheet(cheat, cheatsheets)
+        else:
+            exit()
+
+    subprocess.call([os.environ['EDITOR'],
+                    os.path.join(cheatsheets[cheat], cheat)])
+    exit()
+
+def create_cheatsheet(cheat, cheatsheets):
+    "Create a new cheatsheet."
+    if cheat in cheatsheets:
+        print 'Cheatsheet "%s" already exists' % cheat
+        exit()
+
+    import cheatsheets as cs
+    subprocess.call([os.environ['EDITOR'],
+                    os.path.join(cs.cheat_dir, cheat)])
+    exit()
 
 def main():
     # assemble a keyphrase out of all params passed to the script
@@ -69,8 +94,30 @@ def main():
                                 for key, value in cheatsheets.items()])))
         exit()
 
+    # create/edit option
+    option = sys.argv[1].lower()
+    if option in ['-e', '--edit', '-c', '--create']:
+        # make sure EDITOR environment variable is set and that at least 3 arguments
+        # are given
+        if 'EDITOR' not in os.environ:
+            print('In order to use "create" or "edit" you must set your '
+                  'EDITOR environment variable to your favorite editor\'s path')
+            exit()
+        elif len(sys.argv) < 3:
+            print 'Must provide a cheatsheet to edit/create'
+            exit()
+
+        # if the user wants to edit a cheatsheet
+        if option in ['-e', '--edit']:
+            edit_cheatsheet(' '.join(sys.argv[2:]), cheatsheets)
+
+        # if the user wants to create a cheatsheet
+        elif option in ['-c', '--create']:
+            create_cheatsheet(' '.join(sys.argv[2:]), cheatsheets)
+
     # print the cheatsheet if it exists
     if keyphrase in cheatsheets:
+        print ''.join('*' for x in range(80)) + "\n"
         filename = os.path.join(cheatsheets[keyphrase], keyphrase)
         if USE_PYGMENTS:
             pretty_print(filename)
@@ -78,6 +125,7 @@ def main():
             with open(filename) as istream:
                 for l in istream:
                     sys.stdout.write(l)
+        print "\n" + ''.join('*' for x in range(80))
 
     # if it does not, say so
     else: