257 lines
7.1 KiB
Python
Executable File
257 lines
7.1 KiB
Python
Executable File
#!/usr/bin/env python
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# encoding: utf-8
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#
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# $Id$
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# $URL$
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"""
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userconfig.py
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Created by Marcus Stoegbauer on 2013-01-10.
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Copyright (c) 2013 __MyCompanyName__. All rights reserved.
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"""
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import sys
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import os
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import tempfile
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import re
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import getopt
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import time
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#
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import userconfig.cfgfile as cfgfile
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from userconfig.checks import checks
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import userconfig.Tools as Tools
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debug = Tools.Debug()
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classchecks = checks()
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cfg = cfgfile.Conf()
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hostclasses = classchecks.__classesForHost__()
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class Usage(Exception):
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def __init__(self, msg):
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self.msg = msg
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# def __init__
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help_message = """
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-h help
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-d debug
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-c userconfig.cfg config file
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"""
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# class Usage
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def workconf(directory, depth=2):
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"""walks through directory, collecting all filenames, returns list of all filenames"""
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dirs = os.listdir(directory)
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ret = []
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for d in dirs:
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name = directory+"/"+d
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if os.path.isdir(name):
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# fixme: create name if it does not exist
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workconf(name, depth+1)
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# if dir
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if not name.endswith(".swp"):
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ret.append(name)
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debug.debug("workconf: found file %s" % name, depth)
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# if not .swp
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# for d
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return ret
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# def workconf
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def workdir(directory):
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"""walks through all host classes, checking if the classes directory exists in directory
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then collect all filenames within this directory and return a dict of all files for this
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directory
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"""
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debug.debug("===============================", 1)
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# skip directory if no CONFIGFILE present
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if not os.path.isfile(directory+"/"+cfg.get("Main", "CONFIGFILE")):
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debug.debug("No %s in %s, skipping." % (cfg.get("Main", "CONFIGFILE"), directory), 1)
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return ({},None)
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# if not DEST
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# get config file for directory
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dirConfig = Tools.getConfig(directory+"/"+cfg.get("Main", "CONFIGFILE"))
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if not dirConfig:
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debug.debug("Cannot read %s in %s, skipping." % (cfg.get("Main", "CONFIGFILE"), directory), 1)
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return ({},None)
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# if not dirConfig
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destdir = dirConfig.get("Main","DEST")
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# destfiles is a dict of all files that will be created from the classes config
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# key is the destination filename, values are all classes filenames that are used to
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# build the file
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destfiles = {}
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# walk through all know classes in directory and find filenames
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for h in hostclasses:
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# build classes directory
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if h[0] != "":
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classdir = directory+"/"+h[0]+"_"+h[1]
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else:
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classdir = directory+"/"+h[1]
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# if all
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# if class directory exists
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if os.path.isdir(classdir):
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debug.debug("workdir: %s" % classdir, 1)
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# get list of files within this class directory
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tempfiles = workconf(classdir)
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# put files into dict
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for f in tempfiles:
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destname = destdir+os.path.basename(f) # destination filename
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if not destfiles.has_key(destname):
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destfiles[destname] = []
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# if not destname, create key with empty list
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destfiles[destname].append(f) # append each file to dict
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# for tempfiles
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# if classdir
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# for hostclasses
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debug.debug("workdir: %s, Files: %s" % (directory, str(destfiles)))
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debug.debug("^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^", 1)
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return (destfiles, dirConfig)
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# def work
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def buildFile(classfiles, destfile, commentstring):
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"""open all classfiles, assemble them and write the contents into a tempfile
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returns the name of tempfile"""
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content = []
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if commentstring != "":
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content.append(commentstring + " " + cfg.get("Main","STAMP") + " " + time.strftime("%+") + "\n")
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# if commentstring not empty
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for f in classfiles:
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fp = open(f, "r")
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filecontent = fp.read()
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fp.close()
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if commentstring == "":
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# look for stamp in content, replace with real stamp
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if re.search(re.escape(cfg.get("Main","STAMPREPLACE")), filecontent):
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filecontent = re.sub(re.escape(cfg.get("Main","STAMPREPLACE")), cfg.get("Main","STAMP"), filecontent)
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# if search
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# if commentstring empty
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content.append(filecontent)
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# end f
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(tempfd, tempfilename) = tempfile.mkstemp(prefix=os.path.basename(destfile), dir="/tmp")
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fp = None
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try:
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fp = os.fdopen(tempfd, "w")
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except:
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Tools.error("Cannot write to temporary file %s" % tempfilename)
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os.remove(tempfilename)
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return False
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# try
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for block in content:
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fp.write(block)
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fp.write("\n")
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# for content
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fp.close()
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return tempfilename
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# def buildFile
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def processAllFiles(destfiles, dirConfig):
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"""processes all files in destfiles, generate files from classes, compare and copy if necessary"""
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debug.debug("processAllFiles, dirConfig: %s" % (str(dirConfig.getitems("Main"))))
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for df in destfiles.keys():
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# assemble file to tmp
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commentstring = ""
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if dirConfig.check("Main", "commentstring"):
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commentstring = dirConfig.get("Main", "commentstring")
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debug.debug("Found commentstring %s in %s" % (commentstring, df))
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# if COMMENTSTRNIG
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tempfilename = buildFile(destfiles[df], df, commentstring)
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if not tempfilename:
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debug.debug("Error while creating temp file for %s, skipping." % df)
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continue
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# if not tempfilename
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# diff assembled file and config file
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if Tools.diff(df, tempfilename, commentstring, debug):
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debug.debug("%s changed." % df)
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if not Tools.userConfigGenerated(df, cfg):
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debug.debug("%s not generated by userconfig, backing up." % df)
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# file not generated from userconfig -> back up
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Tools.backupFile(df, debug)
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# if not userConfigGenerated
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# copy tmp file to real location
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Tools.copyFile(tempfilename, df, debug)
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# if diff
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# remove tmp
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os.remove(tempfilename)
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# for df
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# def buildAllFiles
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def main():
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configfile = ""
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global verbose
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try:
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try:
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opts, args = getopt.getopt(sys.argv[1:], "hdc:v", ["help", "debug", "config="])
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except getopt.error, msg:
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raise Usage(msg)
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# try getopt
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for option, value in opts:
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if option == "-v":
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debug.setverbose(1)
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if option in ("-h", "--help"):
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raise Usage(help_message)
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if option in ("-d", "--debug.debug"):
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pass
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if option in ("-c", "--config"):
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configfile = value
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# if
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# for option, value
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except Usage, err:
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Tools.error(sys.argv[0].split("/")[-1] + ": " + str(err.msg))
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Tools.error("\t for help use --help")
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return 2
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# try
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if configfile == "":
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Tools.error( "No config file specified.")
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return 2
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# if configfile
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cfg.setfilename(configfile)
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debug.debug("Classes for host: %s" % hostclasses)
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configdir = cfg.get("Main", "CONFIGDIR")
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for d in os.listdir(configdir):
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destfiles = {}
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name = configdir+d
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if not os.path.isdir(name):
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continue
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elif d.startswith(".svn"):
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continue
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elif os.path.isfile(name+"/.ignore"):
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continue
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else:
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debug.debug("main: %s" % name)
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(destfiles, dirConfig) = workdir(name)
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if isinstance(destfiles, dict):
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if len(destfiles.keys()) > 0:
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processAllFiles(destfiles, dirConfig)
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# if > 0
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else:
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debug.debug("No destfiles for %s, skipping." % d)
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# if
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# for d
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# def main
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if __name__ == '__main__':
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main()
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