ArchiveTeam/CommonCrawl_URL_Processor
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datechnoman 2024-01-28 11:36:17 +00:00
parent 6d591ef0d0
commit 29d24e9826
1 changed files with 27 additions and 63 deletions
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54
warc_wat_url_processor.py
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@ -6,56 +6,43 @@ from concurrent.futures import ProcessPoolExecutor, as_completed, wait
import subprocess
import time
# Function to check disk space
def check_disk_space(path, min_space_gb=20, check_interval=300):
while True:
try:
# Run the 'df' command to check disk space
result = subprocess.run(['df', '-BG', path], stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
# If the command succeeds
if result.returncode == 0:
output = result.stdout.split('\n')[1].split()
available_space_gb = int(output[3].replace('G', ''))
# If available space is sufficient, break out of the loop
if available_space_gb >= min_space_gb:
break
else:
print(f"Waiting for more than {min_space_gb}GB free space on {path}. Current available space: {available_space_gb}GB")
time.sleep(check_interval)
else:
# If the command fails, wait and retry
print("Error checking disk space.")
time.sleep(check_interval)
except Exception as e:
# If an exception occurs, wait and retry
print(f"An error occurred while checking disk space: {e}")
time.sleep(check_interval)
# Function to extract URLs from a gzip file
def extract_urls_from_file(file_path):
urls = []
try:
with gzip.open(file_path, 'rt', encoding='latin-1') as file:
for line in file:
# Regular expression to find URLs in a line
url_pattern = re.compile(r'http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\\(\\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+')
line_urls = re.findall(url_pattern, line)
urls.extend(line_urls)
except (gzip.BadGzipFile, EOFError) as e:
# Handle gzip-related errors
print(f"Error while reading the compressed file '{file_path}': {e}")
except Exception as e:
# Handle other unexpected errors
print(f"An unexpected error occurred while processing '{file_path}': {e}")
print("Full traceback:")
traceback.print_exc()
return urls
# Function to process a file
def process_file(file_path, error_log):
def process_file(file_path):
try:
print(f"Processing file: {file_path}")
@ -77,15 +64,13 @@ def process_file(file_path, error_log):
try:
# Run the compression command synchronously and wait for it to complete
result = subprocess.run(command_compress, shell=True, check=True, stderr=subprocess.PIPE, text=True)
result = subprocess.run(command_compress, shell=True, check=True)
if result.returncode == 0:
print(f"Compressed file saved as '{compressed_file_path}'")
else:
print(f"Compression failed for '{output_file_path}'")
error_log.write(f"Compression failed for '{output_file_path}': {result.stderr}\n")
except subprocess.CalledProcessError as compression_error:
print(f"Compression failed for '{output_file_path}': {compression_error}")
error_log.write(f"Compression failed for '{output_file_path}': {compression_error}\n")
# Remove the original gzipped file
os.remove(file_path)
@ -108,60 +93,41 @@ def process_file(file_path, error_log):
print(f"Failed to remove {filename} from urls_to_download.txt")
except Exception as e:
# Handle any exceptions that occur during file processing
print(f"Error during processing {file_path}: {e}")
traceback.print_exc()
error_log.write(f"Error during processing {file_path}: {e}\n")
# Function to download and process a file
def download_and_process_file(url, error_log_filename):
def download_and_process_file(url):
try:
# Open the error log file for appending
with open(error_log_filename, 'a') as error_log:
command = f'axel -n 3 {url}'
result = subprocess.run(command, shell=True, check=True, stderr=subprocess.PIPE, text=True)
result = subprocess.run(command, shell=True, check=True)
if result.returncode == 0:
file_path = os.path.join(os.getcwd(), os.path.basename(url))
process_file(file_path, error_log)
process_file(file_path)
else:
print(f"Download failed for {url}")
error_log.write(f"Download failed for {url}\n")
except Exception as e:
# Handle any exceptions that occur during download and processing
print(f"Error during download and processing {url}: {e}")
error_log.write(f"Error during download and processing {url}: {e}\n")
# Main function
except Exception as e:
print(f"Error during download and processing {url}: {e}")
def main():
# Check disk space
check_disk_space('/dev/sda1')
# Read URLs from the file
with open('urls_to_download.txt', 'r') as file:
urls = file.readlines()
urls = [url.strip() for url in urls]
# Define the concurrency level
download_concurrency_level = 40
# Define the error log filename
error_log_filename = 'error.log'
# Open the error log file for appending
with open(error_log_filename, 'a') as error_log:
with ProcessPoolExecutor(max_workers=download_concurrency_level) as executor:
print("Submitting tasks to the ProcessPoolExecutor...")
# Submit tasks for each URL
futures = [executor.submit(download_and_process_file, url, error_log_filename) for url in urls]
futures = [executor.submit(download_and_process_file, url) for url in urls]
print(f"Submitted {len(futures)} tasks.")
print("Waiting for tasks to complete...")
# Wait for all tasks to complete
completed_futures, _ = wait(futures)
print(f"{len(completed_futures)} tasks completed.")
# Process completed tasks
for completed_future in completed_futures:
try:
result = completed_future.result()
@ -169,8 +135,6 @@ def main():
# Process the result if needed
except Exception as e:
print(f"Error in processing future: {e}")
error_log.write(f"Error in processing future: {e}\n")
# Entry point of the script
if __name__ == "__main__":
main()