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95 changes: 95 additions & 0 deletions
95
scripts/us_cdc/environmental_health_toxicology/download_files.py
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,95 @@ | ||
| # Copyright 2024 Google LLC | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # https://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
|
|
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| import json, os, requests, sys | ||
| from pathlib import Path | ||
| from absl import app, logging, flags | ||
| from retry import retry | ||
|
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| _FLAGS = flags.FLAGS | ||
| flags.DEFINE_string('input_file_path', 'input_files', 'Input files path') | ||
| flags.DEFINE_string( | ||
| 'config_file', 'gs://unresolved_mcf/cdc/environmental/import_configs.json', | ||
| 'Config file path') | ||
|
|
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| _MODULE_DIR = os.path.dirname(os.path.abspath(__file__)) | ||
| _INPUT_FILE_PATH = None | ||
| sys.path.append(os.path.join(_MODULE_DIR, '../../../util/')) | ||
| import file_util | ||
|
|
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| record_count_query = '?$query=select%20count(*)%20as%20COLUMN_ALIAS_GUARD__count' | ||
|
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|
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| def download_files(importname, config): | ||
|
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| @retry(tries=3, delay=2, backoff=2) | ||
| def download_with_retry(url, input_file_name): | ||
| logging.info(f"Downloading file from URL: {url}") | ||
| response = requests.get(url) | ||
| response.raise_for_status() | ||
| if response.status_code == 200: | ||
| if not response.content: | ||
| logging.fatal( | ||
| f"No data available for URL: {url}. Aborting download.") | ||
| return | ||
| filename = os.path.join(_INPUT_FILE_PATH, input_file_name) | ||
| with file_util.FileIO(filename, 'wb') as f: | ||
| f.write(response.content) | ||
| else: | ||
| logging.error( | ||
| f"Failed to download file from URL: {url}. Status code: {response.status_code}" | ||
| ) | ||
|
|
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| try: | ||
| for config1 in config: | ||
| if config1["import_name"] == importname: | ||
| files = config1["files"] | ||
| for file_info in files: | ||
| url_new = file_info["url"] | ||
| logging.info(f"URL from config file {url_new}") | ||
| input_file_name = file_info["input_file_name"] | ||
| logging.info(f"Input File Name {input_file_name}") | ||
|
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| get_record_count = requests.get( | ||
| url_new.replace('.csv', record_count_query)) | ||
| if get_record_count.status_code == 200: | ||
| record_count = json.loads( | ||
| get_record_count.text | ||
| )[0]['COLUMN_ALIAS_GUARD__count'] | ||
| logging.info( | ||
| f"Numbers of records found for the URL {url_new} is {record_count}" | ||
| ) | ||
| url_new = f"{url_new}?$limit={record_count}&$offset=0" | ||
| download_with_retry(url_new, input_file_name) | ||
|
|
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| except Exception as e: | ||
| logging.fatal(f"Error downloading URL {url_new} - {e}") | ||
|
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|
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| def main(_): | ||
| """Main function to download the csv files.""" | ||
| global _INPUT_FILE_PATH | ||
| _INPUT_FILE_PATH = os.path.join(_FLAGS.input_file_path) | ||
| _INPUT_FILE_PATH = os.path.join(_MODULE_DIR, _FLAGS.input_file_path) | ||
| Path(_INPUT_FILE_PATH).mkdir(parents=True, exist_ok=True) | ||
| importname = sys.argv[1] | ||
| logging.info(f'Loading config: {_FLAGS.config_file}') | ||
| with file_util.FileIO(_FLAGS.config_file, 'r') as f: | ||
| config = json.load(f) | ||
| download_files(importname, config) | ||
| logging.info("Successfully downloaded the source data...!!!!") | ||
|
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|
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| if __name__ == "__main__": | ||
| app.run(main) |
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