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utils.py
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utils.py
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import re
import os
import csv
import requests
def format_title(title):
# Remove any characters that are not alphanumeric or spaces
title = re.sub(r'[^a-zA-Z0-9 ]', '', title)
# Replace spaces with underscores
title = title.replace(' ', '_')
return title
def save_img(path, title, link):
r = requests.get(link)
if r.status_code == 200:
filename = f"{path}/{title}.jpg"
if not os.path.exists(filename):
with open(filename, 'wb') as f:
f.write(r.content)
else:
print(f"{filename} already exists!")
else:
print(f"Failed to download {title} from {link}")
def mkdir(path):
if not os.path.exists(path):
os.makedirs(path)
def write2csv(filename, fields, mode='w', newline='', encoding='utf-8'):
"""
Writes data to a CSV file.
:param filename: The name of the CSV file to write to.
:param fields: A list of dictionaries where keys are the CSV headers.
:param mode: File mode, 'w' for write (default) or 'a' for append.
:param newline: Controls how universal newlines mode works (default is '').
:param encoding: The file encoding (default is 'utf-8').
"""
if not fields:
print("No data to write.")
return
# Extract fieldnames from the first dictionary's keys
fieldnames = fields[0].keys()
try:
with open(filename, mode, newline=newline, encoding=encoding) as csvfile:
writer = csv.DictWriter(csvfile, fieldnames=fieldnames)
if mode == 'w': # Write header only in write mode
writer.writeheader()
writer.writerows(fields)
print(f"Data successfully written to {filename}")
except IOError as e:
print(f"Error writing to file {filename}: {e}")