1 files changed, 68 insertions, 0 deletions
diff --git a/oh-my-zsh/plugins/aliases/cheatsheet.py b/oh-my-zsh/plugins/aliases/cheatsheet.py
new file mode 100644
index 0000000..3362a6a
--- /dev/null
+++ b/oh-my-zsh/plugins/aliases/cheatsheet.py
@@ -0,0 +1,68 @@
+#!/usr/bin/env python3
+import sys
+import itertools
+import termcolor
+import argparse
+
+def parse(line):
+    left = line[0:line.find('=')].strip()
+    right = line[line.find('=')+1:].strip('\'"\n ')
+    try:
+        cmd = next(part for part in right.split() if len([char for char in '=<>' if char in part])==0)
+    except StopIteration:
+        cmd = right
+    return (left, right, cmd)
+
+def cheatsheet(lines):
+    exps = [ parse(line) for line in lines ]
+    cheatsheet = {'_default': []}
+    for key, group in itertools.groupby(exps, lambda exp:exp[2]):
+        group_list = [ item for item in group ]
+        if len(group_list)==1:
+            target_aliases = cheatsheet['_default']
+        else:
+            if key not in cheatsheet:
+                cheatsheet[key] = []
+            target_aliases = cheatsheet[key]
+        target_aliases.extend(group_list)
+    return cheatsheet
+
+def pretty_print_group(key, aliases, highlight=None, only_groupname=False):
+    if len(aliases) == 0:
+        return
+    group_hl_formatter = lambda g, hl: termcolor.colored(hl, 'yellow').join([termcolor.colored(part, 'red') for part in ('[%s]' % g).split(hl)])
+    alias_hl_formatter = lambda alias, hl: termcolor.colored(hl, 'yellow').join([termcolor.colored(part, 'green') for part in ('\t%s = %s' % alias[0:2]).split(hl)])
+    group_formatter = lambda g: termcolor.colored('[%s]' % g, 'red')
+    alias_formatter = lambda alias: termcolor.colored('\t%s = %s' % alias[0:2], 'green')
+    if highlight and len(highlight)>0:
+        print (group_hl_formatter(key, highlight))
+        if not only_groupname:
+            print ('\n'.join([alias_hl_formatter(alias, highlight) for alias in aliases]))
+    else:
+        print (group_formatter(key))
+        if not only_groupname:
+            print ('\n'.join([alias_formatter(alias) for alias in aliases]))
+    print ('')
+
+def pretty_print(cheatsheet, wfilter, group_list=None, groups_only=False):
+    sorted_key = sorted(cheatsheet.keys())
+    for key in sorted_key:
+        if group_list and key not in group_list:
+            continue
+        aliases = cheatsheet.get(key)
+        if not wfilter:
+            pretty_print_group(key, aliases, wfilter, groups_only)
+        else:
+            pretty_print_group(key, [ alias for alias in aliases if alias[0].find(wfilter)>-1 or alias[1].find(wfilter)>-1], wfilter)
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description="Pretty print aliases.")
+    parser.add_argument('filter', nargs="*", help="search aliases matching string")
+    parser.add_argument('-g', '--group', dest="group_list", action='append', help="only print aliases in given groups")
+    parser.add_argument('--groups', dest='groups_only', action='store_true', help="only print alias groups")
+    args = parser.parse_args()
+
+    lines = sys.stdin.readlines()
+    group_list = args.group_list or None
+    wfilter = " ".join(args.filter) or None
+    pretty_print(cheatsheet(lines), wfilter, group_list, args.groups_only)