| """rewriting url from shortner with new format |
| |
| Revision ID: a99f2f7c195a |
| Revises: 53fc3de270ae |
| Create Date: 2017-02-08 14:16:34.948793 |
| |
| """ |
| |
| # revision identifiers, used by Alembic. |
| revision = 'a99f2f7c195a' |
| down_revision = 'db0c65b146bd' |
| |
| from alembic import op |
| import json |
| import sqlalchemy as sa |
| from superset import db |
| from superset.legacy import cast_form_data |
| from sqlalchemy.ext.declarative import declarative_base |
| from future.standard_library import install_aliases |
| install_aliases() |
| from urllib import parse |
| |
| Base = declarative_base() |
| |
| def parse_querystring(qs): |
| d = {} |
| for k, v in parse.parse_qsl(qs): |
| if not k in d: |
| d[k] = v |
| else: |
| if isinstance(d[k], list): |
| d[k].append(v) |
| else: |
| d[k] = [d[k], v] |
| return d |
| |
| class Url(Base): |
| |
| """Used for the short url feature""" |
| |
| __tablename__ = 'url' |
| id = sa.Column(sa.Integer, primary_key=True) |
| url = sa.Column(sa.Text) |
| |
| |
| def upgrade(): |
| bind = op.get_bind() |
| session = db.Session(bind=bind) |
| |
| urls = session.query(Url).all() |
| urls_len = len(urls) |
| for i, url in enumerate(urls): |
| if ( |
| '?form_data' not in url.url and |
| '?' in url.url and |
| 'dbid' not in url.url and |
| url.url.startswith('//superset/explore')): |
| d = parse_querystring(url.url.split('?')[1]) |
| split = url.url.split('/') |
| d['datasource'] = split[5] + '__' + split[4] |
| d = cast_form_data(d) |
| newurl = '/'.join(split[:-1]) + '/?form_data=' + parse.quote_plus(json.dumps(d)) |
| url.url = newurl |
| session.merge(url) |
| session.commit() |
| print('Updating url ({}/{})'.format(i, urls_len)) |
| session.close() |
| |
| |
| def downgrade(): |
| pass |