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If petl is loaded from a CSV, use the source file, don't re-write #1062

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merged 2 commits into from
Jun 6, 2024
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If petl is loaded from a CSV, use the source file, don't re-write #1062

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If petl is loaded from a CSV, use the source file, don't re-write
austinweisgrau May 23, 2024
1ca3134
Add comment explaining CSVView instance check
austinweisgrau Jun 6, 2024
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12 changes: 10 additions & 2 deletions parsons/google/google_cloud_storage.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,10 +4,11 @@
from parsons.google.utitities import setup_google_application_credentials
from parsons.utilities import files
import datetime
import gzip
import petl
import logging
import time
import uuid
import gzip
import zipfile
from typing import Optional

Expand Down Expand Up @@ -311,7 +312,14 @@ def upload_table(self, table, bucket_name, blob_name, data_type="csv", default_a
blob = storage.Blob(blob_name, bucket)

if data_type == "csv":
local_file = table.to_csv()
# If a parsons Table is loaded from a CSV and has had no
# transformations, the Table.table object will be a petl
# CSVView. Once any transformations are made, the Table.table
# becomes a different petl class
if isinstance(table.table, petl.io.csv_py3.CSVView):
local_file = table.table.source.filename
else:
local_file = table.to_csv()
content_type = "text/csv"
elif data_type == "json":
local_file = table.to_json()
Expand Down
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