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general.py
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general.py
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import os
# Each website you crawil is a separate project (folder)
def create_project_dir(directory):
if not os.path.exists(directory):
print('Creating project ' + directory)
os.makedirs(directory)
# Create queue and crawled files (if not created)
def create_data_files(project_name, base_url):
queue = project_name + '/queue.txt'
crawled = project_name + '/crawled.txt'
if not os.path.isfile(queue):
write_file(queue, base_url)
if not os.path.isfile(crawled):
write_file(crawled, '')
# Create a new files
def write_file(path, data):
f = open(path, 'w') # 'w' = write
f.write(data)
f.close()
# Add data onto an existing files
def append_to_file(path, data):
# 'a' = append
with open(path, 'a') as file:
file.write(data + '\n')
# Delete the contents of a file
def delete_file_contents(path):
with open(path, 'w'):
pass
# Read a file and convert each line to set items
def file_to_set(file_name):
results = set()
with open(file_name, 'rt') as file:
for line in file:
results.add(line.replace('\n', ''))
return results
# Iterate through a set, each item will be a new line in the file
def set_to_file(links, file):
with open(file, "w") as f:
for l in sorted(links):
f.write(l + "\n")