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print_generator.py
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#!/usr/local/munki/munki-python
# Version 1.21
# Updated 3/17/22
from __future__ import absolute_import, print_function
import argparse
import csv
import os
import re
import sys
try:
from plistlib import load as load_plist # Python 3
from plistlib import dump as dump_plist
except ImportError:
from plistlib import readPlist as load_plist # Python 2
from plistlib import writePlist as dump_plist
def getOptionsString(optionList):
# optionList should be a list item
optionsString = ''
for option in optionList:
if option == optionList[-1]:
optionsString += "\"%s\":\"%s\"" % (str(option.split('=')[0]), str(option.split('=')[1]))
else:
optionsString += "\"%s\":\"%s\"" % (str(option.split('=')[0]), str(option.split('=')[1])) + ', '
return optionsString
parser = argparse.ArgumentParser(description='Generate a Munki nopkg-style pkginfo for printer installation.')
parser.add_argument('--printername', help='Name of printer queue. May not contain spaces, tabs, # or /. Required.')
parser.add_argument('--driver', help='Name of driver file in /Library/Printers/PPDs/Contents/Resources/. Can be relative or full path. Required.')
parser.add_argument('--address', help='IP or DNS address of printer. If no protocol is specified, defaults to lpd://. Required.')
parser.add_argument('--location', help='Location name for printer. Optional. Defaults to printername.')
parser.add_argument('--displayname', help='Display name for printer (and Munki pkginfo). Optional. Defaults to printername.')
parser.add_argument('--desc', help='Description for Munki pkginfo only. Optional.')
parser.add_argument('--requires', help='Required packages in form of space-delimited \'CanonDriver1 CanonDriver2\'. Optional.')
parser.add_argument('--options', nargs='*', dest='options', help='Printer options in form of space-delimited \'Option1=Key Option2=Key Option3=Key\', etc. Optional.')
parser.add_argument('--version', help='Version number of Munki pkginfo. Optional. Defaults to 1.0.', default='1.0')
parser.add_argument('--icon', help='Specifies an existing icon in the Munki repo to display for the printer in Managed Software Center. Optional.')
parser.add_argument('--csv', help='Path to CSV file containing printer info. If CSV is provided, all other options are ignored.')
args = parser.parse_args()
pwd = os.path.dirname(os.path.realpath(__file__))
f = open(os.path.join(pwd, 'Printer-Template.plist'), 'rb')
templatePlist = load_plist(f)
f.close()
if args.csv:
# A CSV was found, use that for all data.
with open(args.csv, mode='r') as infile:
reader = csv.reader(infile)
next(reader, None) # skip the header row
for row in reader:
newPlist = dict(templatePlist)
# each row contains 10 elements:
# Printer name, location, display name, address, driver, description, options, version, requires, icon
# options in the form of "Option=Value Option2=Value Option3=Value"
# requires in the form of "package1 package2" Note: the space seperator
theOptionString = ''
if row[6] != "":
theOptionString = getOptionsString(row[6].split(" "))
# First, change the plist keys in the pkginfo itself
newPlist['display_name'] = row[2]
newPlist['description'] = row[5]
newPlist['name'] = "Printer_" + str(row[0]) # set to printer name
# Check for an icon
if row[9] != "":
newPlist['icon_name'] = row[9]
# Check for a version number
if row[7] != "":
# Assume the user specified a version number
version = row[7]
else:
# Use the default version of 1.0
version = "1.0"
newPlist['version'] = version
# Check for a protocol listed in the address
if '://' in row[3]:
# Assume the user passed in a full address and protocol
address = row[3]
else:
# Assume the user wants to use the default, lpd://
address = 'lpd://' + row[3]
# Append the driver path to the driver file specified in the csv
driver = '/Library/Printers/PPDs/Contents/Resources/%s' % row[4]
# Now change the variables in the installcheck_script
newPlist['installcheck_script'] = newPlist['installcheck_script'].replace("PRINTERNAME", row[0])
newPlist['installcheck_script'] = newPlist['installcheck_script'].replace("OPTIONS", theOptionString)
newPlist['installcheck_script'] = newPlist['installcheck_script'].replace("LOCATION", row[1].replace('"', ''))
newPlist['installcheck_script'] = newPlist['installcheck_script'].replace("DISPLAY_NAME", row[2].replace('"', ''))
newPlist['installcheck_script'] = newPlist['installcheck_script'].replace("ADDRESS", address)
# Now change the variables in the postinstall_script
newPlist['postinstall_script'] = newPlist['postinstall_script'].replace("PRINTERNAME", row[0])
newPlist['postinstall_script'] = newPlist['postinstall_script'].replace("LOCATION", row[1].replace('"', ''))
newPlist['postinstall_script'] = newPlist['postinstall_script'].replace("DISPLAY_NAME", row[2].replace('"', ''))
newPlist['postinstall_script'] = newPlist['postinstall_script'].replace("ADDRESS", address)
newPlist['postinstall_script'] = newPlist['postinstall_script'].replace("DRIVER", driver)
newPlist['postinstall_script'] = newPlist['postinstall_script'].replace("OPTIONS", theOptionString)
# Now change the one variable in the uninstall_script
newPlist['uninstall_script'] = newPlist['uninstall_script'].replace("PRINTERNAME", row[0])
# Add required packages if passed in the csv
if row[8] != "":
newPlist['requires'] = row[8].split(' ')
# Write out the file
newFileName = "Printer-" + row[0] + "-" + version + ".pkginfo"
f = open(newFileName, 'wb')
dump_plist(newPlist, f)
f.close()
else:
if not args.printername:
print(os.path.basename(sys.argv[0]) + ': error: argument --printername is required', file=sys.stderr)
parser.print_usage()
sys.exit(1)
if not args.driver:
print(os.path.basename(sys.argv[0]) + ': error: argument --driver is required', file=sys.stderr)
parser.print_usage()
sys.exit(1)
if not args.address:
print(os.path.basename(sys.argv[0]) + ': error: argument --address is required', file=sys.stderr)
parser.print_usage()
sys.exit(1)
if re.search(r"[\s#/]", args.printername):
# printernames can't contain spaces, tabs, # or /. See lpadmin manpage for details.
print("ERROR: Printernames can't contain spaces, tabs, # or /.", file=sys.stderr)
sys.exit(1)
if args.desc:
description = args.desc
else:
description = ""
if args.displayname:
displayName = args.displayname
else:
displayName = str(args.printername)
if args.location:
location = args.location
else:
location = args.printername
if args.version:
version = str(args.version)
else:
version = "1.0"
if args.requires:
requires = args.requires
else:
requires = ""
if args.icon:
icon = args.icon
else:
icon = ""
if args.options:
optionsString = str(args.options[0]).split(' ')
optionsString = getOptionsString(optionsString)
else:
optionsString = ''
if args.driver.startswith('/Library'):
# Assume the user passed in a full path rather than a relative filename
driver = args.driver
else:
# Assume only a relative filename
driver = os.path.join('/Library/Printers/PPDs/Contents/Resources', args.driver)
if '://' in args.address:
# Assume the user passed in a full address and protocol
address = args.address
else:
# Assume the user wants to use the default, lpd://
address = 'lpd://' + args.address
newPlist = dict(templatePlist)
# root pkginfo variable replacement
newPlist['description'] = description
newPlist['display_name'] = displayName
newPlist['name'] = "Printer_" + args.printername
newPlist['version'] = version
newPlist['icon_name'] = icon
# installcheck_script variable replacement
newPlist['installcheck_script'] = templatePlist['installcheck_script'].replace("PRINTERNAME", args.printername)
newPlist['installcheck_script'] = newPlist['installcheck_script'].replace("ADDRESS", address)
newPlist['installcheck_script'] = newPlist['installcheck_script'].replace("DISPLAY_NAME", displayName)
newPlist['installcheck_script'] = newPlist['installcheck_script'].replace("LOCATION", location.replace('"', ''))
newPlist['installcheck_script'] = newPlist['installcheck_script'].replace("OPTIONS", optionsString)
# postinstall_script variable replacement
newPlist['postinstall_script'] = templatePlist['postinstall_script'].replace("PRINTERNAME", args.printername)
newPlist['postinstall_script'] = newPlist['postinstall_script'].replace("ADDRESS", address)
newPlist['postinstall_script'] = newPlist['postinstall_script'].replace("DISPLAY_NAME", displayName)
newPlist['postinstall_script'] = newPlist['postinstall_script'].replace("LOCATION", location.replace('"', ''))
newPlist['postinstall_script'] = newPlist['postinstall_script'].replace("DRIVER", driver.replace('"', ''))
newPlist['postinstall_script'] = newPlist['postinstall_script'].replace("OPTIONS", optionsString)
# uninstall_script variable replacement
newPlist['uninstall_script'] = templatePlist['uninstall_script'].replace("PRINTERNAME", args.printername)
# required packages
if requires != "":
newPlist['requires'] = [r.replace('\\', '') for r in re.split(r"(?<!\\)\s", requires)]
newFileName = "Printer-" + str(args.printername) + "-%s.pkginfo" % str(version)
f = open(newFileName, 'wb')
dump_plist(newPlist, f)
f.close()