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  • Committer: Bazaar Package Importer
  • Author(s): Chris Lawrence
  • Date: 2002-04-15 02:25:51 UTC
  • Revision ID: james.westby@ubuntu.com-20020415022551-don2tfe0tawo0g44
Tags: 1.1.0-11
Note that Debian's run-parts ignores certain lsb cron.* scripts, in
violation of the LSB specification.  See #118646.
(If necessary, run-parts may be diverted by this package to conform.)

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initdutils.py
 
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# Support for scanning init scripts for LSB info
 
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import re, sys, os
 
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FACILITIES = '/var/lib/lsb/facilities'
 
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beginre = re.compile(re.escape('### BEGIN INIT INFO'))
 
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endre = re.compile(re.escape('### END INIT INFO'))
 
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linere = re.compile(r'\#\s+([^:]+):\s*(.*)')
 
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def scan_initfile(initfile):
 
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    headers = {'Description': []}
 
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    scanning = 0
 
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    for line in open(initfile).xreadlines():
 
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        line = line.rstrip()
 
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        if beginre.match(line):
 
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            scanning = 1
 
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            continue
 
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        elif scanning and endre.match(line):
 
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            scanning = 0
 
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            continue
 
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        elif not scanning:
 
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            continue
 
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        if line[0] != '#':
 
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            continue
 
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        if line[1:3] == '  ' or line[1] == '\t':
 
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            headers['Description'].append(line[1:].strip())
 
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            continue
 
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        match = linere.match(line)
 
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        if not match:
 
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            print >> sys.stderr, "Warning: ignoring invalid init info line"
 
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            print >> sys.stderr, "-> %s" % line
 
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            continue
 
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        header, body = match.groups()
 
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        if header == "Description":
 
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            headers[header].append(body.strip())
 
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        elif header in ('Default-Start', 'Default-Stop'):
 
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            headers[header] = map(int, body.split())
 
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        elif header in ('Required-Start', 'Required-Stop', 'Provides'):
 
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            headers[header] = body.split()
 
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        else:
 
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            headers[header] = body
 
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    return headers
 
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def save_facilities(facilities):
 
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    if not facilities:
 
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        try:
 
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            os.unlink(FACILITIES)
 
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        except OSError:
 
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            pass
 
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        return
 
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    items = facilities.items()
 
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    fh = open(FACILITIES, 'w')
 
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    for facility, entries in items:
 
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        if facility[0] == '$': continue
 
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        for scriptname, pri in entries.items():
 
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            start, stop = pri
 
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            print >> fh, "%(scriptname)s %(facility)s %(start)d %(stop)d" % locals()
 
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    fh.close()
 
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def load_facilities():
 
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    facilities = {}
 
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    if os.path.exists(FACILITIES):
 
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        for line in open(FACILITIES).xreadlines():
 
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            try:
 
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                scriptname, name, start, stop = line.strip().split()
 
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                facilities.get(name, {})[scriptname] = (int(start), int(stop))
 
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            except ValueError, x:
 
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                print >> sys.stderr, 'Invalid facility line', line
 
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    return facilities