文件操作 - migrate-ini-settings

文件: /opt/dell/srvadmin/lib64/srvadmin-omilcore/migrate-ini-settings

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#!/usr/bin/python

import ConfigParser
import fnmatch
import optparse
import os
import sys
import re

lines = list() 
class Usage(Exception):
    def __init__(self, msg = None, no_error = False):
        Exception.__init__(self, msg, no_error)

class skip(Exception): pass

def parse_options(args):
    parser = optparse.OptionParser()
    fileopt = optparse.OptionGroup(parser, "Input/Output", "These options define the files to use.")
    fileopt.add_option("-i", "--input-ini", type="string", dest="input", default=None, help="Input file")
    fileopt.add_option("-o", "--output-ini", type="string", dest="output", default=None, help="Output file")
    parser.add_option_group(fileopt)

migrateopt = optparse.OptionGroup(parser, "Input/Output", "These options define the files to use.")
    migrateopt.add_option("--space-equal", action="store_true", dest="space", default=False, help="Put spaces before and after equal ('var = value') in output file.")
    migrateopt.add_option("--no-space-equal", action="store_false", dest="space", help="Do not put spaces before and after equal ('var=value') in output file.")
    migrateopt.add_option("--merge-section", type="string", action="append", dest="merge_sections", default=[], help="Take all keys in input section and copy to output section of same name, preserving keys in output section which are not in input.")
    migrateopt.add_option("--delete-section", type="string", action="append", dest="delete_sections", default=[], help="Delete a section in the output.")
    migrateopt.add_option("--filter-keys", type="string", action="append", dest="filter_keys", default=[], help="List keys to not migrate from input to output.")
    migrateopt.add_option("--filter-section", type="string", action="append", dest="filter_sections", default=[], help="List sections to not migrate from input to output.")
    parser.add_option_group(migrateopt)

(options, args) = parser.parse_args()

if options.input and not os.path.isfile(options.input):
        raise Usage("Input INI '%s' does not exist" %(options.input,))

if not options.output or not os.path.isfile(options.output):
        raise Usage("Output INI '%s' does not exist" %(options.output,))

# Added to retain ini headers on upgrades
    fd1 = open(options.input,"r+")

patt1 = re.compile(';') 
    patt2 = re.compile('^[\s]+$')

for line in fd1:
        if patt1.match(line) or patt2.match(line):
            lines.append(line)		
        else:
            break
		
    fd1.close()
    return (options, args)

def main():
    try:
        options, args = parse_options(sys.argv[1:])

except Usage, (msg, no_error):
        out = sys.stderr
        ret = 2
        if no_error:
            out = sys.stdout
            ret = 0
        if msg:
            print >> out, msg
        return ret

input = ConfigParser.ConfigParser()
    input.optionxform=str
    if getattr(options, "input", None):
        input.read(options.input)

output = ConfigParser.ConfigParser()
    output.optionxform=str
    output.read(options.output)

for section in options.delete_sections:
        for sect in fnmatch.filter(output.sections(), section):
            output.remove_section(sect)

for section in options.merge_sections:
        for sect in fnmatch.filter(input.sections(), section):
            if not output.has_section(sect):
                output.add_section(sect)
	    for name in input.options(sect):
                value = input.get(sect, name)
                try:
                    for filter in options.filter_sections:
                        if fnmatch.fnmatch(sect,filter):
                            raise skip()
                    for filter in options.filter_keys:
                        if fnmatch.fnmatch(name,filter):
                            raise skip()
                except (skip,):
                    continue
                output.set(sect, name, value)

fd = open(options.output, "w+")
#for headers
    for line in lines:
		fd.write(line)
    output.write(fd)
    fd.close()
    if not options.space:
	import commands
	commands.getstatusoutput("sed -i 's/\s*=\s*/=/' %s" % options.output)

return 0

if __name__ == "__main__":
    sys.exit(main())

文件操作 - migrate-ini-settings

文件: /opt/dell/srvadmin/lib64/srvadmin-omilcore/migrate-ini-settings

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