Viewing file:  cupsd.py (6.07 KB) -rwxr-xr-x
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#!/bin/env python
import re
from rhpl.Conf import Conf
class Directive:
separator = ' '
separators = ' '
def __init__(self, name, values, line=None, line_nr=0):
if line is None:
line = name + self.separator + self.separator.join(self.values)
self.name = name
self.values = values
self.line = line
self.line_rn = line_nr
self.block = None # set if added to block
def change(self, name, values):
line = name + self.separator + self.separator.join(self.values)
self.block.config.seek(self.line)
self.block.config.setline(line)
self.line = line
def __str__(self):
return "%s: %r" % (self.name, self.values)
class Block(dict):
def __init__(self, config, name, values, start_line, start_line_nr):
self.name = name
self.values = values
self.line = start_line
self.line_nr = start_line_nr
self.lines = [start_line]
def __str__(self):
result = []
for subdirectives in self.itervalues():
for directive in subdirectives:
result.append(str(directive))
return ("<%s %r>\n" % (self.name, self.values) +
'\n'.join(result) +
'\n<%s/>\n' % self.name)
def _end(self, line, line_nr):
self.end_line = line
self.end_line_nr = line_nr
def _add(self, directive):
l = self.setdefault(directive.name, [])
l.append(directive)
directive.block = self
def add(self, directive):
name = directive.name
if self.has_key(name):
self.config.seek(self[name][-1])
self.config.nextline()
else:
self.config.seek(self.end_line)
self[name] = []
self.config.insertline(directive.line)
self[name].append(directive)
directive.block = self
def remove(self, directive):
self.conf.deleteline(directive.line)
self[directive.name].remove(directive)
if not self[directive.name]:
del self[directive.name]
class CupsConfig(Conf):
comment = "#"
directives = [
'AccessLog',
'Allow',
'AuthClass',
'AuthGroupName',
'AuthType',
'AutoPurgeJobs',
'BrowseAddress',
'BrowseAllow',
'BrowseDeny',
'BrowseInterval',
'BrowseOrder',
'BrowsePoll',
'BrowsePort',
'BrowseProtocols',
'BrowseRelay',
'BrowseShortNames',
'BrowseTimeout',
'Browsing',
'Classification',
'ClassifyOverride',
'ConfigFilePerm',
'DataDir',
'DefaultCharset',
'DefaultLanguage',
'Deny',
'DocumentRoot',
'Encryption',
'ErrorLog',
'FaxRetryInterval',
'FaxRetryLimit',
'FileDevice',
'FilterLimit',
'FilterNice',
'FontPath',
'Group',
'HideImplicitMembers',
'HostNameLookups',
'ImplicitAnyClasses',
'ImplicitClasses',
'Include',
'KeepAlive',
'KeepAliveTimeout',
'LimitRequestBody',
'Listen',
'LogFilePerm',
'LogLevel',
'MaxClients',
'MaxClientsPerHost',
'MaxCopies',
'MaxJobs',
'MaxJobsPerPrinter',
'MaxJobsPerUser',
'MaxLogSize',
'MaxRequestSize',
'Order',
'PageLog',
'Port',
'PreserveJobFiles',
'PreserveJobHistory',
'Printcap',
'PrintcapFormat',
'PrintcapGUI',
'ReloadTimeout',
'RemoteRoot',
'RequestRoot',
'Require',
'RIPCache',
'RunAsUser',
'Satisfy',
'ServerAdmin',
'ServerBin',
'ServerCertificate',
'ServerKey',
'ServerName',
'ServerRoot',
'ServerTokens',
'SSLListen',
'SSLPort',
'SystemGroup',
'TempDir',
'Timeout',
'User',]
sections = [
'<Limit',
'<LimitExcept',
'<Location',]
end_sections = [
'</Limit>',
'</LimitExcept>',
'</Location>',]
def __init__(self, filename='cups.conf'):
Conf.__init__(self, filename, '#', '\t ,', ' \t',
merge=1)
self.read()
def read(self):
Conf.read(self)
self.parse()
def parse(self):
block_stack = []
block = Block(self, '__MAIN__', [], None, -1)
self.start_block = block
self.rewind()
for line in self:
fields = self.getfields()
if len(fields) == 0: continue
directive = fields[0]
values = fields[1:]
#line = line.lstrip()
#directive = re.match('\S+', line)
if directive:
nr = self.tell()
#directive = directive.group()
if directive in self.sections:
block_stack.append(block)
block = Block(self, directive, values, line, nr)
block_stack[-1]._add(block)
elif directive in self.end_sections:
block._end(line, nr)
block = block_stack.pop()
elif directive in self.directives:
block._add(Directive(directive, values, line, nr))
def seek(self, position):
if isinstance(position, object):
position = position.line
if isinstance(position, int):
self.line = line
else:
for nr, cfg_line in enumerate(self.lines):
if cfg_line is position:
self.line = nr
break
self.line = len(self.lines)
def __iter__(self):
"""does not rewind!!! Starts at current position"""
while self.findnextcodeline():
yield self.getline()
self.nextline()
def main():
cupsd_conf = CupsConfig("cupsd.conf")
block = cupsd_conf.start_block
print block
if __name__=="__main__":
main()
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