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gh-69093: Add context manager support to sqlite3.Blob (GH-91562)

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Erlend Egeberg Aasland 2022-04-16 06:21:12 +02:00 • committed by GitHub
parent 4e661cd691
commit a861756675
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6 changed files with 135 additions and 11 deletions
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16
Doc/includes/sqlite3/blob.py
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@ -4,9 +4,13 @@ con = sqlite3.connect(":memory:")
con.execute("create table test(blob_col blob)")
con.execute("insert into test(blob_col) values (zeroblob(10))")
blob = con.blobopen("test", "blob_col", 1)
blob.write(b"Hello")
blob.write(b"World")
blob.seek(0)
print(blob.read()) # will print b"HelloWorld"
blob.close()
# Write to our blob, using two write operations:
with con.blobopen("test", "blob_col", 1) as blob:
blob.write(b"Hello")
blob.write(b"World")
# Read the contents of our blob
with con.blobopen("test", "blob_col", 1) as blob:
greeting = blob.read()
print(greeting) # outputs "b'HelloWorld'"