forked-synapse/synapse/storage/schema/delta/14/upgrade_appservice_db.py

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import json
def run_upgrade(cur):
cur.execute("SELECT id, regex FROM application_services_regex")
for row in cur.fetchall():
try:
print "checking %s..." % row[0]
json.loads(row[1])
except ValueError:
# row isn't in json, make it so.
string_regex = row[1]
new_regex = json.dumps({
"regex": string_regex,
"exclusive": True
})
cur.execute(
"UPDATE application_services_regex SET regex=? WHERE id=?",
(new_regex, row[0])
)