Created
November 27, 2013 02:36
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A small routine to recursively dump structure into HTML. This routine uses the Flask framework, but should work in anything. Added a couple comments to help.
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| from flask import g | |
| from werkzeug import escape # so "<sqlInstance ... >" isn't taken as a tag. | |
| @app.route("/show_user_data") | |
| def show_user_data(): | |
| """ show the user date, i.e., the flask.g data """ | |
| ## The dump_val() function is what you might want to reuse. | |
| def dump_val(key, value): | |
| """ return an html snippet with lists for dictionaries. . """ | |
| if isinstance(value, dict): | |
| html = ["{!s} = <i>{!s}</i><ul>".format(key, value.__class__.__name__)] | |
| for k, v in value.items(): | |
| name = str(key) + "." + str(k) | |
| html.append("<li>{}</li>".format(dump_val(name, v))) | |
| html.append("</ul>") | |
| return "\n".join(html) | |
| else: | |
| return "{!s} = {}<br>\n".format(key, escape(str(value))) | |
| assert DEBUG # callable only in development ## Flask variable | |
| grab_user() ## Something I use to grab the user from the db. | |
| out_html = "\n".join(("<body>", | |
| dump_val("g", g.__dict__), ## Flask g is not iterable by itself. | |
| "</body>")) | |
| return make_response(out_html) |
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