mirror of
https://github.com/murdos/musicbrainz-userscripts
synced 2024-11-14 23:07:09 +00:00
88 lines
3.1 KiB
Python
88 lines
3.1 KiB
Python
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from __future__ import print_function
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import sys
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import fileinput
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import re
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import datetime
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"""
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Update the version of .user.js file(s) passed as arguments
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File is edited in-place, and the version is set to YYYY.MM.DD.N format
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automatically.
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If version is missing, one will be added.
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If ran more than once a day, N will be updated.
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UTC date is used.
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Add or update version in the metablock:
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$> ./tools/update_version.py bandcamp_importer.user.js
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To test without modifying file, use stdin:
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$> ./tools/update_version.py < bandcamp_importer.user.js
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"""
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def make_version_line(old_value='0.0.0.0', spacing=' '*8, eol="\n"):
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prev_version = [int(x) for x in old_value.split('.')]
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now = datetime.datetime.utcnow()
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version = [now.year, now.month, now.day, 0]
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if prev_version[:3] == version[:3]:
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version[3] = prev_version[3] + 1
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version_str = '%04d.%02d.%02d.%d' % tuple(version)
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return ('// @version' + spacing + version_str + eol, version_str)
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re_start_header = re.compile(r'//\s*==UserScript==', re.IGNORECASE)
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re_stop_header = re.compile(r'//\s*==/UserScript==', re.IGNORECASE)
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re_keyval = re.compile(r'^[\s\*/]+@(\S+)(\s+)(.+)\s*$', re.IGNORECASE)
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def process_files(files, verbose=True):
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def echo(*args):
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if verbose:
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sys.stderr.write(*args)
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for line in fileinput.input(files, inplace=1):
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try:
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current = fileinput.filename()
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if fileinput.isfirstline():
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echo('%s: processing...\n' % current)
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version_done = False
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in_header = False
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header_processed = False
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if not header_processed:
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if not in_header:
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in_header = re_start_header.search(line)
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else:
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if re_stop_header.search(line):
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in_header = False
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header_processed = True
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if not version_done:
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newline, version_str = make_version_line()
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sys.stdout.write(newline)
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echo('%s: %s (added)\n' %
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(current, version_str))
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else:
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m = re_keyval.search(line)
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if m:
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key, spacing, value = m.groups()
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if key == 'version':
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if version_done:
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echo('%s: %s dupe removed\n' %
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(current, value))
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continue # skip the line, more than one version
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line, version_str = make_version_line(value, spacing)
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echo('%s: %s (old)\n' % (current, value))
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echo('%s: %s (new)\n' % (current, version_str))
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version_done = True
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finally:
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sys.stdout.write(line)
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if __name__ == "__main__":
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process_files(sys.argv[1:], verbose=True)
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