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November 6, 2015 11:57
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A document Diff for Pythonista
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| # -*- coding: utf-8 -*- | |
| #Please get the last version on https://github.com/mncfre/Document-Diff | |
| import difflib | |
| import re | |
| import BaseHTTPServer | |
| import webbrowser | |
| import clipboard | |
| import editor | |
| header = '''<!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Text Comparison</title> | |
| <meta name="viewport" content="initial-scale=1.0, width=device-width"> | |
| </head> | |
| <body> | |
| ''' | |
| footer = ''' | |
| </body> | |
| </html>''' | |
| default_css = '''\ | |
| <style type="text/css"> | |
| body { | |
| overflow-x: hidden;} | |
| #diff { | |
| border: 1px solid #cccccc; | |
| background: none repeat scroll 0 0 #f8f8f8; | |
| font-family: Menlo-Regular,"Courier",monospace; | |
| font-size: 16px; | |
| line-height: 1.4; | |
| white-space: pre-wrap; | |
| word-wrap: break-word; | |
| word-break: break-word; | |
| color: #000; | |
| } | |
| #diff .control { | |
| background-color: #eaf2f5; | |
| color: #999; | |
| } | |
| #diff ins { | |
| background-color: #ddffdd; | |
| display: block; | |
| } | |
| #diff ins mark { | |
| background-color: #aaffaa; | |
| } | |
| #diff del { | |
| background-color: #ffdddd; | |
| display: block; | |
| } | |
| #diff del mark { | |
| background-color: #ffaaaa; | |
| } | |
| </style> | |
| ''' | |
| def diff(a, b, n=3, css=True): | |
| if isinstance(a, basestring): | |
| a = a.splitlines() | |
| if isinstance(b, basestring): | |
| b = b.splitlines() | |
| return colorize(list(difflib.unified_diff(a, b, n=n)), css=css) | |
| def colorize(diff, css=True): | |
| css = default_css if css else "" | |
| return header + css + "\n".join(_colorize(diff)) + footer | |
| def _colorize(diff): | |
| if isinstance(diff, basestring): | |
| lines = diff.splitlines() | |
| else: | |
| lines = diff | |
| lines.reverse() | |
| while lines and not lines[-1].startswith("@@"): | |
| lines.pop() | |
| yield '<section id="diff">' | |
| while lines: | |
| line = lines.pop() | |
| if line.startswith("@@"): | |
| yield '<div class="control">%s</div>' % line | |
| elif line.startswith("-"): | |
| if lines: | |
| _next = [] | |
| while lines and len(_next) < 2: | |
| _next.append(lines.pop()) | |
| if _next[0].startswith("+") and (len(_next) == 1 | |
| or _next[1][0] not in ("+", "-")): | |
| aline, bline = _line_diff(line[1:], _next.pop(0)[1:]) | |
| yield '<del>-%s</del>' % (aline,) | |
| yield '<ins>+%s</ins>' % (bline,) | |
| if _next: | |
| lines.append(_next.pop()) | |
| continue | |
| lines.extend(reversed(_next)) | |
| yield '<del>%s</del>' % line | |
| elif line.startswith("+"): | |
| yield '<ins>%s</ins>' % line | |
| else: | |
| yield '<p>%s</p>' % line | |
| yield "</section>" | |
| def _line_diff(a, b): | |
| aline = [] | |
| bline = [] | |
| for tag, i1, i2, j1, j2 in difflib.SequenceMatcher(a=a, b=b).get_opcodes(): | |
| if tag == "equal": | |
| aline.append(a[i1:i2]) | |
| bline.append(b[j1:j2]) | |
| continue | |
| aline.append('<mark>%s</mark>' % a[i1:i2]) | |
| bline.append('<mark>%s</mark>' % b[j1:j2]) | |
| return "".join(aline), "".join(bline) | |
| if __name__ == "__main__": | |
| a = editor.get_text() #sys.argv[0] | |
| b = clipboard.get() #sys.argv[2] | |
| #a = clipboard.get() #sys.argv[0] | |
| #b = editor.get_text() #sys.argv[2] | |
| html = re.sub("<(p|mark)>\s??</(p|mark)>","",diff(a,b)) | |
| class MyHandler(BaseHTTPServer.BaseHTTPRequestHandler): | |
| def do_GET(s): | |
| s.send_response(200) | |
| s.send_header("Content-type", "text/html") | |
| s.end_headers() | |
| s.wfile.write(html) | |
| server = BaseHTTPServer.HTTPServer(('', 8888), MyHandler) | |
| webbrowser.open('http://localhost:8888') | |
| server.handle_request() | |
| server.server_close() |
Looks pretty cool. If you make it a repo instead of a gist then I will submit some pull requests (suggested changes) that you can choose to accept or reject.
Thanks @cclauss credits to the original devs, I create a repo, this is the link: https://github.com/mncfre/Document-Diff
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This is an adaptation of some code that I found, this is more adapted to my workflow, you have to add this to an action and it compare the text of the actual document with the clipboard text