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--no-headers option for sqlite-utils insert --csv, closes #228

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This commit is contained in:
Simon Willison 2021-02-14 14:25:03 -08:00
commit 50d2096f5e
3 changed files with 62 additions and 2 deletions
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17
sqlite_utils/cli.py
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@ -618,6 +618,9 @@ def insert_upsert_options(fn):
click.option(
"--sniff", is_flag=True, help="Detect delimiter and quote character"
),
click.option(
"--no-headers", is_flag=True, help="CSV file has no header row"
),
click.option(
"--batch-size", type=int, default=100, help="Commit every X records"
),
@ -660,6 +663,7 @@ def insert_upsert_implementation(
delimiter,
quotechar,
sniff,
no_headers,
batch_size,
alter,
upsert,
@ -674,7 +678,7 @@ def insert_upsert_implementation(
):
db = sqlite_utils.Database(path)
_load_extensions(db, load_extension)
if delimiter or quotechar or sniff:
if delimiter or quotechar or sniff or no_headers:
csv = True
if (nl + csv + tsv) >= 2:
raise click.ClickException("Use just one of --nl, --csv or --tsv")
@ -699,7 +703,12 @@ def insert_upsert_implementation(
if quotechar:
csv_reader_args["quotechar"] = quotechar
reader = csv_std.reader(decoded, **csv_reader_args)
headers = next(reader)
first_row = next(reader)
if no_headers:
headers = ["untitled_{}".format(i + 1) for i in range(len(first_row))]
reader = itertools.chain([first_row], reader)
else:
headers = first_row
docs = (dict(zip(headers, row)) for row in reader)
else:
try:
@ -756,6 +765,7 @@ def insert(
delimiter,
quotechar,
sniff,
no_headers,
batch_size,
alter,
encoding,
@ -785,6 +795,7 @@ def insert(
delimiter,
quotechar,
sniff,
no_headers,
batch_size,
alter=alter,
upsert=False,
@ -815,6 +826,7 @@ def upsert(
delimiter,
quotechar,
sniff,
no_headers,
alter,
not_null,
default,
@ -839,6 +851,7 @@ def upsert(
delimiter,
quotechar,
sniff,
no_headers,
batch_size,
alter=alter,
upsert=True,