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gh-108590: Fix sqlite3.iterdump for invalid unicode in text columns. #108657

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Merged
erlend-aasland merged 7 commits into from
Aug 30, 2023
Merged

gh-108590: Fix sqlite3.iterdump for invalid unicode in text columns. #108657

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a689bbd
gh-108590: Fix sqlite3.iterdump for invalid unicode in text columns.
CorvinM Aug 29, 2023
03f41df
📜🤖 Added by blurb_it.
blurb-it[bot] Aug 29, 2023
e2939d5
Update Misc/NEWS.d/next/Library/2023-08-29-22-53-48.gh-issue-108590.6…
CorvinM Aug 30, 2023
0643ffc
Update Lib/sqlite3/dump.py
CorvinM Aug 30, 2023
608d919
Address comments
CorvinM Aug 30, 2023
cc7fba8
Use contextmanager
CorvinM Aug 30, 2023
c1b730d
Style nits and a comment
erlend-aasland Aug 30, 2023
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@erlend-aasland
erlend-aasland committed Aug 30, 2023
commit c1b730d28abc136e550324d165aed0caef4e4b5b
6 changes: 6 additions & 0 deletions Lib/sqlite3/dump.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,21 +7,26 @@
# future enhancements, you should normally quote any identifier that
# is an English language word, even if you do not have to."


from contextlib import contextmanager


def _quote_name(name):
return '"{0}"'.format(name.replace('"', '""'))


def _quote_value(value):
return "'{0}'".format(value.replace("'", "''"))


def _force_decode(bs, *args, **kwargs):
# gh-108590: Don't fail if the database contains invalid Unicode data.
try:
return bs.decode(*args, **kwargs)
except UnicodeDecodeError:
return "".join([chr(c) for c in bs])


@contextmanager
def _text_factory(con, factory):
saved_factory = con.text_factory
Expand All @@ -31,6 +36,7 @@ def _text_factory(con, factory):
finally:
con.text_factory = saved_factory


def _iterdump(connection):
"""
Returns an iterator to the dump of the database in an SQL text format.
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