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cpython/Doc/includes/sqlite3/countcursors.py at 3.8 · python-emscripten/cpython · GitHub
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cpython
/
Doc
/
includes
/
sqlite3
/
countcursors.py
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cpython
/
Doc
/
includes
/
sqlite3
/
countcursors.py
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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
)
con
.
close
()
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