cosmopolitan/third_party/python/Doc/includes/sqlite3/countcursors.py
ahgamut 0c4c56ff39 python-3.6.zip added from Github
README.cosmo contains the necessary links.
2021-08-09 05:39:42 -07:00

15 lines
456 B
Python

import sqlite3
class CountCursorsConnection(sqlite3.Connection):
def __init__(self, *args, **kwargs):
sqlite3.Connection.__init__(self, *args, **kwargs)
self.numcursors = 0
def cursor(self, *args, **kwargs):
self.numcursors += 1
return sqlite3.Connection.cursor(self, *args, **kwargs)
con = sqlite3.connect(":memory:", factory=CountCursorsConnection)
cur1 = con.cursor()
cur2 = con.cursor()
print(con.numcursors)