111 lines
3.5 KiB
Python
Executable File
111 lines
3.5 KiB
Python
Executable File
#!/usr/bin/env python3.6
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#
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# Copyright (C) 2016,2017 The University of Sheffield, UK
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import getopt
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import glob
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import os
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import sys
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import logging
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import re
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from ExtensionCrawler import config
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def print_help():
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print("""extfind [OPTION]""")
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print(""" -h print this help text""")
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print(""" -a <DIR> archive directory""")
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print(""" -g <GLOB> glob on the extension id, don't use with -e """)
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print(""" -e <EXTIDFILELIST> file with extension ids, don't use with -g""")
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print(""" -n <TASKID> process chunk n where n in [1,N]""")
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print(""" -N <MAXTASKID> """)
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def split(l, n, N):
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if n < 1 or n > N:
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raise ValueError("n must be between 1 and N")
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chunksize = int(len(l) / N) + 1
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# Slicing beyond the list contents returns the empty list
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return l[chunksize * (n - 1):chunksize * n]
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def iter_extension_paths_from_file(archive, n, N, extidlistfile):
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paths = []
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with open(extidlistfile, 'r') as f:
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for line in f.readlines():
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path = os.path.join(archive, "data", line[:3], line + ".tar")
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if re.fullmatch("[a-p]{32}", line) and os.path.exists(path):
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paths += [path]
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else:
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logging.warning("WARNING: {} is not a valid extension path!".format(path))
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return split(paths, n, N)
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def iter_extension_paths(archive, n, N, extidglob="[a-p]"*32):
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paths = glob.glob(os.path.join(archive, "data", "[a-p]" * 3, extidglob + ".tar"))
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return split(paths, n, N)
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def main(argv):
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archive = config.const_basedir()
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extidglob = None
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extidlistfile = None
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taskid = 1
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maxtaskid = 1
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try:
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opts, args = getopt.getopt(argv, "ha:g:e:n:N:", [
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"archive=", "glob=", "extidlistfile=", "taskid=",
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"maxtaskid=", "help"
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])
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except getopt.GetoptError:
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print_help()
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sys.exit(2)
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for opt, arg in opts:
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if opt in ("-h", "--help"):
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print_help()
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sys.exit()
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elif opt in ("-a", "--archive"):
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archive = arg
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elif opt in ("-g", "--glob"):
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extidglob = arg
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elif opt in ("-e", "--extidlistfile"):
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extidlistfile = arg
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elif opt in ("-n", "--taskid"):
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taskid = int(arg)
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elif opt in ("-N", "--maxtaskid"):
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maxtaskid = int(arg)
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if extidglob is None and extidlistfile is None:
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paths = iter_extension_paths(archive, taskid, maxtaskid)
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elif extidglob is None and extidlistfile is not None:
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paths = iter_extension_paths_from_file(archive, taskid, maxtaskid, extidlistfile)
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elif extidglob is not None and extidlistfile is None:
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paths = iter_extension_paths(archive, taskid, maxtaskid, extidglob)
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else:
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print_help()
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sys.exit(2)
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for path in paths:
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print(path)
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if __name__ == "__main__":
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main(sys.argv[1:])
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