forked from public/mirror-checker
91 lines
3.5 KiB
Python
91 lines
3.5 KiB
Python
#!/usr/bin/env python3
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"""
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This mirror status checker determines whether CSC mirror is up-to-date with upstream
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"""
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import time
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import sys
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import requests
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from projects import * # noqa
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# from dateparser.search import search_dates # this library seems to be super slow but the other library: dateutil.parser gets some errors
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# http://theautomatic.net/2018/12/18/2-packages-for-extracting-dates-from-a-string-of-text-in-python/
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import re # import regular expressions to remove stray numbers in string that might interfere with date finding
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import json # import json to read project info stored in json file
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import datefinder # another date finding library
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# checker: gets the timestamp of the file inside the directory at the specified URL and returns it as a string
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def checker(directory_URL, file_name):
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page = requests.get(directory_URL).text
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file_index = page.find(file_name)
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# print(page)
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# remove stray numbers (file size numbers in particular) that might interfere with date finding
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segment_clean = re.sub(r'\s\d+\s', ' ', page[file_index:]) # removes numbers for size
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segment_clean = re.sub(r'\s\d+\w*\s', ' ', page[file_index:]) # removes numbers + size unit. e.x. 50kb
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# print(segment_clean)
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# implementation using dateparser.search.search_dates
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# notes: some dates don't parse correctly with this tool
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# print(search_dates(page[file_index:], languages=['en']))
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# print(search_dates(page[file_index:])[0])
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# finds the dates in the segment after the file name
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# notes: a generator will be returned by the datefinder module. I'm typecasting it to a list. Please read the note of caution provided at the bottom.
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matches = list(datefinder.find_dates(segment_clean))
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# print(matches)
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if len(matches) > 0:
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date = matches[0] # date is of type datetime.datetime
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return date.strftime("%m/%d/%Y, %H:%M:%S")
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else:
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return 'No dates found'
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if __name__ == "__main__":
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"""projects = json.load(open('projects.json',))
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print(projects)
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for project in projects:
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print(project[0] + ":")
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print("CSC mirror: " + checker(project[1], project[3]))
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print("Official project: " + checker(project[2], project[3]))"""
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with open("data.json", "r", encoding="utf-8") as file:
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data = json.load(file)
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if sys.stdin.isatty():
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projects = data
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else:
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projects = [project.rstrip() for project in sys.stdin.readlines()]
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current_time = int(time.time())
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for project in projects:
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try:
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if project not in data:
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print(f"Failure: {project} does not exist")
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continue
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project_class = getattr(sys.modules[__name__], project)
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if project == "CPAN" or project == "ubuntu" or project == "ubuntu_releases" or project == "manjaro" or project == "mxlinux" or project == "mxlinux_iso" or project == "slackware" or project == "trisquel":
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checker_result = project_class.check(data, project, current_time)
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if checker_result:
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print(f"Success: {project} up-to-date")
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else:
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print(f"Failure: {project} out-of-sync")
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continue
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checker_result = project_class.check(data, project)
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if checker_result:
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data[project]["out_of_sync_since"] = None
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elif data[project]["out_of_sync_since"] is None:
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data[project]["out_of_sync_since"] = current_time
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elif current_time - data[project]["out_of_sync_since"] \
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> data[project]["out_of_sync_interval"]:
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print(f"Failure: {project} out-of-sync")
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continue
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print(f"Success: {project} up-to-date")
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except requests.exceptions.RequestException as err:
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print(f"Error: {project}\n{err}")
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with open("data.json", "w", encoding="utf-8") as file:
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json.dump(data, file, indent='\t')
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