Jake-Pullen
225 lines
8.3 KiB
Python
225 lines
8.3 KiB
Python
import logging
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import time
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import os
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import csv
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import concurrent.futures
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from pathlib import Path
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import shutil
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from config import Config
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from modules import BatchNimrod, GenerateTimeseries, Extract
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logging.basicConfig(
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level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s"
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)
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def process_pipeline(gz_file_path):
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# 1. Extract GZ to DAT
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gz_path = Path(gz_file_path)
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# The dat file name is derived from the gz file name (removing .gz or .dat.gz)
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# gz files are named like 'NAME.dat.gz' often.
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dat_filename = gz_path.name.replace(".gz", "")
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dat_path = Path(Config.DAT_TOP_FOLDER, dat_filename)
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# Extract
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try:
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extraction.process_single_gz(gz_path, dat_path)
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except Exception as e:
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logging.error(f"Failed to extract {gz_path}: {e}")
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return None
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if not dat_path.exists():
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logging.error(f"DAT file not found after extraction: {dat_path}")
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return None
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# 2. Process DAT to ASC
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# BatchNimrod._process_single_file expects just the filename, not full path
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asc_file = batch._process_single_file(dat_filename)
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if not asc_file:
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# Cleanup failed DAT file if needed (BatchNimrod might have done it or not)
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if Config.delete_dat_after_processing and dat_path.exists():
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try:
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os.remove(dat_path)
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except OSError:
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pass
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return None
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# 3. Extract data from ASC
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file_results = timeseries.process_asc_file(asc_file, locations)
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return file_results
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def initialise_folders():
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folder_list = [
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Config.ASC_TOP_FOLDER,
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Config.COMBINED_FOLDER,
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Config.GZ_TOP_FOLDER,
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Config.DAT_TOP_FOLDER,
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Config.TAR_TOP_FOLDER,
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]
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for path in folder_list:
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Path(path).mkdir(exist_ok=True)
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if __name__ == "__main__":
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initialise_folders()
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locations = []
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zones = set()
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# load zone inputs here
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for file in os.listdir(Path(Config.ZONE_FOLDER)):
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with open(Path(Config.ZONE_FOLDER, file), "r") as csvfile:
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reader = csv.reader(csvfile)
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header = next(reader) # Skip header row
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for row in reader:
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# Extract the relevant fields: 1K Grid, Easting, Northing, Zone
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grid_name = row[0] # 1k Grid name
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easting = int(row[1]) # Easting column
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northing = int(row[2]) # Northing column
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zone = int(row[3]) # ZoneID column
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locations.append([grid_name, easting, northing, zone])
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zones.add(zone)
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logging.info(f"Count of 1km Grids: {len(locations)}")
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logging.info(f"Count of Zones: {len(zones)}")
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# Check for existing combined files
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existing_combined = os.listdir(Config.COMBINED_FOLDER)
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if existing_combined:
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logging.warning("!" * 80)
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logging.warning(
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f"Found {len(existing_combined)} files in {Config.COMBINED_FOLDER}"
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)
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logging.warning(
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"If you continue these WILL BE DELETED, Please make sure you have them saved."
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)
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logging.warning("!" * 80)
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response = input("Continue? (Y/N): ").strip().lower()
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if response != "y":
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logging.info("Aborting...")
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exit(0)
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else:
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shutil.rmtree(
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Path(Config.COMBINED_FOLDER)
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) # Delete everything including the directory
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Path(Config.COMBINED_FOLDER).mkdir()
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extraction = Extract(Config)
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batch = BatchNimrod(Config)
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timeseries = GenerateTimeseries(Config, locations)
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start = time.time()
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logging.info(
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"Starting interleaved processing of GZ files -> DAT -> ASC -> Timeseries"
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)
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# Get list of all tar files
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all_tar_files = [f for f in os.listdir(Config.TAR_TOP_FOLDER) if f.endswith(".tar")]
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all_tar_files.sort()
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total_tars = len(all_tar_files)
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files_per_tar = 288
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estimated_total_files = total_tars * files_per_tar
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logging.info(f"Found {total_tars} tar files to process")
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# Process in batches
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for i in range(0, total_tars, Config.BATCH_SIZE):
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batch_files = all_tar_files[i : i + Config.BATCH_SIZE]
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logging.info(
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f"Processing batch {i // Config.BATCH_SIZE + 1}: {len(batch_files)} tar files"
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)
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# Initialize results structure for this batch
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results = {loc[0]: {"dates": [], "values": []} for loc in locations}
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# 1. Extract batch (TAR -> GZ)
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logging.info("Extracting tar files for batch")
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extraction.extract_tar_batch(batch_files)
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gz_files_to_process = []
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for tar_file in batch_files:
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extract_folder = Path(Config.GZ_TOP_FOLDER, tar_file.replace(".tar", ""))
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if extract_folder.exists():
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for root, _, files in os.walk(extract_folder):
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for file in files:
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if file.endswith(".gz"):
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gz_files_to_process.append(Path(root, file))
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total_files = len(gz_files_to_process)
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logging.info(f"Found {total_files} GZ files to process concurrently...")
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with concurrent.futures.ThreadPoolExecutor() as executor:
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future_to_file = {
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executor.submit(process_pipeline, gz_file): gz_file
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for gz_file in gz_files_to_process
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}
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completed_count = 0
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try:
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for future in concurrent.futures.as_completed(future_to_file):
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file_results = future.result()
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if file_results:
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for res in file_results:
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zone_id = res["zone_id"]
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results[zone_id]["dates"].append(res["date"])
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results[zone_id]["values"].append(res["value"])
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completed_count += 1
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if completed_count % 100 == 0:
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files_processed_previous = i * files_per_tar
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files_processed_so_far = (
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files_processed_previous + completed_count
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)
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elapsed_time = time.time() - start
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rate_per_second = files_processed_so_far / elapsed_time
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remaining_files = estimated_total_files - files_processed_so_far
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if rate_per_second > 0:
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eta_seconds = remaining_files / rate_per_second
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if eta_seconds < 60:
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eta_str = f"{int(eta_seconds)}s"
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elif eta_seconds < 3600:
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eta_str = f"{int(eta_seconds // 60)}m {int(eta_seconds % 60)}s"
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else:
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eta_str = f"{int(eta_seconds // 3600)}h {int((eta_seconds % 3600) // 60)}m"
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else:
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eta_str = "Unknown"
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logging.info(f"""Progress: {files_processed_so_far}/{estimated_total_files} files ({files_processed_so_far / estimated_total_files * 100:.1f}%)
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Speed: {rate_per_second * 60:.2f} files/min. ETA: {eta_str}""")
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except KeyboardInterrupt:
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logging.warning(
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"KeyboardInterrupt received. Cancelling pending tasks..."
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)
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executor.shutdown(wait=False, cancel_futures=True)
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raise
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logging.info("Appending batch results to CSV files...")
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timeseries.append_results_to_csv(results, locations)
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# Cleanup GZ folders for this batch
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# We loop through batch_files again to delete the folders we created
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for tar_file in batch_files:
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extract_folder = Path(Config.GZ_TOP_FOLDER, tar_file.replace(".tar", ""))
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if extract_folder.exists():
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try:
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shutil.rmtree(extract_folder)
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except OSError as e:
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logging.warning(f"Failed to remove GZ folder {extract_folder}: {e}")
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end = time.time()
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elapsed_time = end - start
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if elapsed_time < 60:
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elapsed_time_str = f"{int(elapsed_time)}s"
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elif elapsed_time < 3600:
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elapsed_time_str = f"{int(elapsed_time // 60)}m {int(elapsed_time % 60)}s"
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else:
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elapsed_time_str = (
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f"{int(elapsed_time // 3600)}h {int((elapsed_time % 3600) // 60)}m"
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)
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logging.info(f"All Complete total time {elapsed_time_str}")
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