mirror of
https://github.com/correl/melpa.git
synced 2024-11-15 11:09:27 +00:00
138 lines
3.3 KiB
Python
Executable file
138 lines
3.3 KiB
Python
Executable file
#!/usr/bin/env python
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import argparse
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from datetime import datetime
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import gzip
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import json
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import os
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import re
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import sys
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import time
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import tempfile
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LOGFILE = "/var/log/nginx/melpa/melpa.access.log"
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LOGREGEX = r'(?P<ip>[\d.]+) [ -]+ \[(?P<date>[\w/: -]+)\] ' \
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r'"GET /packages/(?P<package>[^ ]+)-[0-9.]+.(?:el|tar) ' \
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r'HTTP/\d.\d" 200'
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def json_handler(obj):
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if isinstance(obj, datetime):
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return obj.isoformat()
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elif isinstance(obj, set):
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return list(obj)
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raise TypeError(
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'Object of type {0} with value {0} is not JSON serializable'.format(
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type(obj), repr(obj)))
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def json_dump(data, jsonfile, indent=None):
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"""
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jsonfiy `data`
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"""
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return json.dump(data, jsonfile, default=json_handler, indent=indent)
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def datetime_parser(dct):
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for key, val in dct.items():
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if isinstance(val, list):
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dct[key] = set(val)
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return dct
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def json_load(jsonfile):
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return json.load(jsonfile, object_hook=datetime_parser)
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def parse_val(val):
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try:
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return datetime.strptime(val, "%Y-%m-%dT%H:%M:%S")
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except ValueError:
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return val
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def parse_logfile(logfilename, pkg_ip_time):
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"""
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"""
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if logfilename.endswith("gz"):
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logfile = gzip.open(logfilename, 'r')
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else:
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logfile = open(logfilename, 'r')
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logre = re.compile(LOGREGEX)
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count = 0
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for line in logfile:
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match = logre.match(line)
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if match is None:
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continue
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ip = match.group('ip')
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dtstamp = int(time.mktime(
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datetime.strptime(match.group('date').split()[0],
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"%d/%b/%Y:%H:%M:%S").timetuple()))
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pkg = match.group('package')
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pkg_ip_time.setdefault(pkg, {}).setdefault(ip, set()).add(dtstamp)
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count += 1
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return count
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def main():
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"""main function"""
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parser = argparse.ArgumentParser(description='MELPA Log File Parser')
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parser.add_argument('logs', metavar="logs", type=unicode, nargs="*",
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help="Log files to parse.", default=[LOGFILE])
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args = parser.parse_args()
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pid = str(os.getpid())
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pidfile = os.path.join(os.path.join(tempfile.gettempdir(), "process_log.pid"))
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if os.access(pidfile, os.F_OK):
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running_pid = open(pidfile, "r").readline()
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try:
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os.kill(int(running_pid), 0)
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print "Process {0} currently running.".format(running_pid)
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return 1
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except OSError:
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print "Stale lockfile."
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os.unlink(pidfile)
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file(pidfile, 'w').write(pid)
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# load old data file
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if os.path.exists("download_log.json.gz"):
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pkg_ip_time = json_load(gzip.open("download_log.json.gz"))
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else:
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pkg_ip_time = {}
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# parse each parameter
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for logfile in args.logs:
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sys.stdout.write("processing logfile {0}... ".format(logfile))
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sys.stdout.flush()
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count = parse_logfile(logfile, pkg_ip_time)
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sys.stdout.write("{0}\n".format(count))
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# dump new data file
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json_dump(pkg_ip_time, gzip.open("download_log.json.gz", 'w'))
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# calculate current package totals
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pkgcount = {p: len(i) for p, i in pkg_ip_time.iteritems()}
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json_dump(pkgcount, open("html/download_counts.json", 'w'), indent=1)
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os.unlink(pidfile)
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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