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import requests
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import datefinder # another date finding library
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import re
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from datetime import datetime
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from project import Project
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from shared import CSC_MIRROR
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class sage(Project):
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"""sagemath class"""
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@staticmethod
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def get_latest_date(dates):
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dates = [list(datefinder.find_dates(date))[0] for date in dates]
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return max(dates)
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@classmethod
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def check(cls, data, project, current_time):
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page1 = requests.get(CSC_MIRROR + data[project]["csc"] + data[project]["file"]).text
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page2 = requests.get("http://mirrors.mit.edu/sage/src/index.html").text
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page3 = requests.get("https://mirror.rcg.sfu.ca/mirror/sage/src/index.html").text
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CSC_dates = re.findall(r'(\d{4}-\d{2}-\d{2} \d{2}:\d{2})', page1)
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MIT_dates = re.findall(r'(\d{4}-\d{2}-\d{2} \d{2}:\d{2})', page2)
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SFU_dates = re.findall(r'(\d{4}-\d{2}-\d{2} \d{2}:\d{2})', page3)
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# print(len(CSC_dates))
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# print(len(MIT_dates))
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# print(len(SFU_dates))
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# print(cls.get_latest_date(CSC_dates))
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# print(cls.get_latest_date(MIT_dates))
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# print(cls.get_latest_date(SFU_dates))
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if len(CSC_dates) < max([len(MIT_dates), len(SFU_dates)]):
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return False
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elif len(CSC_dates) > max([len(MIT_dates), len(SFU_dates)]):
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# if we have more entries than their mirror, ours must be the new one
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# since distros only add new versions, and don't delete old versions
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return True
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if cls.get_latest_date(CSC_dates) < max([cls.get_latest_date(MIT_dates), cls.get_latest_date(SFU_dates)]):
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return False
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return True
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