56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
#!/usr/bin/env python3
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"""Rebuild data/misc/useragent.tsv from microlinkhq/top-user-agents (MIT).
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data-import/useragent.py [--source URL] [--cache DIR] [--out FILE]
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The desktop and mobile lists partition the whole, so `device` is read rather than
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parsed. A row ships when the string names a browser and an operating system both.
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"""
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import argparse
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import json
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import re
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from pathlib import Path
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import source
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import tsv
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SOURCE = "https://raw.githubusercontent.com/microlinkhq/top-user-agents/master/src"
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OUT = Path(__file__).resolve().parent.parent / "data" / "misc" / "useragent.tsv"
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CACHE = Path(__file__).resolve().parent / "cache"
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COLUMNS = ["browser", "device", "os", "ua"]
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# First match wins: Edge, Opera and Samsung Internet all carry Chrome's token too,
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# and an iPhone says "like Mac OS X".
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BROWSERS = [("Edge", r"Edg(iOS)?/"), ("Opera", r"OPR/"), ("Samsung Internet", r"SamsungBrowser/"),
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("Chrome", r"(Chrome|CriOS)/"), ("Firefox", r"(Firefox|FxiOS)/"), ("Safari", r"Version/[\d.]+ .*Safari")]
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SYSTEMS = [("iOS", r"iPhone|iPad|CPU OS "), ("Android", r"Android"), ("ChromeOS", r"CrOS"),
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("Windows", r"Windows NT"), ("macOS", r"Macintosh|Mac OS X"), ("Linux", r"X11.*Linux|Ubuntu")]
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def named(table, ua):
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for name, pattern in table:
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if re.search(pattern, ua):
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return name
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return ""
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def rows(desktop, mobile):
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for device, uas in (("desktop", desktop), ("mobile", mobile)):
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for ua in uas:
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browser, os = named(BROWSERS, ua), named(SYSTEMS, ua)
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if browser and os:
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yield {"browser": browser, "device": device, "os": os, "ua": ua}
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def main():
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p = argparse.ArgumentParser(description=__doc__.splitlines()[0])
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p.add_argument("--cache", default=str(CACHE))
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p.add_argument("--source", default=SOURCE)
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p.add_argument("--out", default=str(OUT))
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a = p.parse_args()
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lists = [json.loads(source.fetch(f"{a.source}/{n}.json", a.cache, f"top-user-agents-{n}.json")) for n in ("desktop", "mobile")]
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tsv.write(a.out, COLUMNS, sorted(rows(*lists), key=lambda r: (r["browser"], r["os"], r["ua"])))
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if __name__ == "__main__":
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main()
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