import os, subprocess, re
from linuxmusterLinuxclient7 import logging, user
[docs]def installPrinter(networkPath, name=None, username=None):
"""
Installs a networked printer for a user
:param networkPath: The network path of the printer
:type networkPath: str
:param name: The name for the printer, defaults to None
:type name: str, optional
:param username: The username of the user whom the is installed printer for. Defaults to the executing user
:type username: str, optional
:return: True on success, False otherwise
:rtype: bool
"""
if username == None:
username = user.username()
if user.isRoot():
return _installPrinter(username, networkPath, name)
else:
# This will call installPrinter() again with root privileges
return _installPrinterWithoutRoot(networkPath, name)
pass
[docs]def uninstallAllPrintersOfUser(username):
"""
Uninstalls all printers of a given user
:param username: The username of the user
:type username: str
:return: True on success, False otherwise
:rtype: bool
"""
logging.info("Uninstalling all printers of {}".format(username))
rc, installedPrinters = _getInstalledPrintersOfUser(username)
if not rc:
logging.error("Error getting printers!")
return False
for installedPrinter in installedPrinters:
if not _uninstallPrinter(installedPrinter):
return False
return True
[docs]def translateSambaToIpp(networkPath):
"""
Translates a samba url, like `\\server\PRINTER-01`, to an ipp url like `ipp://server/printers/PRINTER-01`.
:param networkPath: The samba url
:type networkPath: str
:return: An ipp url
:rtype: str
"""
networkPath = networkPath.replace("\\", "/")
# path has to be translated: \\server\EW-FARBLASER -> ipp://server/printers/EW-farblaser
pattern = re.compile("\\/\\/([^/]+)\\/(.*)")
result = pattern.findall(networkPath)
if len(result) != 1 or len(result[0]) != 2:
logging.error("Cannot convert printer network path from samba to ipp, as it is invalid: {}".format(networkPath))
return False, None
ippNetworkPath = "ipp://{0}/printers/{1}".format(result[0][0], result[0][1])
return True, ippNetworkPath
# --------------------
# - Helper functions -
# --------------------
def _installPrinter(username, networkPath, name):
logging.info("Install Printer {0} on {1}".format(name, networkPath))
installCommand = ["timeout", "10", "lpadmin", "-p", name, "-E", "-v", networkPath, "-m", "everywhere", "-u", f"allow:{username}"]
logging.debug("* running '{}'".format(" ".join(installCommand)))
p = subprocess.call(installCommand, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if p == 0:
logging.debug("* Success Install Printer!")
return True
elif p == 124:
logging.fatal(f"* Timeout error while installing printer {name} on {networkPath}")
else:
logging.fatal(f"* Error installing printer {name} on {networkPath}!")
return False
def _installPrinterWithoutRoot(networkPath, name):
return subprocess.call(["sudo", "/usr/share/linuxmuster-linuxclient7/scripts/sudoTools", "install-printer", "--path", networkPath, "--name", name]) == 0
def _getInstalledPrintersOfUser(username):
logging.info(f"Getting installed printers of {username}")
command = f"lpstat -U {username} -p"
#logging.debug("running '{}'".format(command))
result = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True, shell=True)
if not result.returncode == 0:
logging.info("No Printers installed.")
return True, []
rawInstalledPrinters = list(filter(None, result.stdout.split("\n")))
installedPrinters = []
for rawInstalledPrinter in rawInstalledPrinters:
rawInstalledPrinterList = list(filter(None, rawInstalledPrinter.split(" ")))
if len(rawInstalledPrinterList) < 2:
continue
installedPrinter = rawInstalledPrinterList[1]
installedPrinters.append(installedPrinter)
return True, installedPrinters
def _uninstallPrinter(name):
logging.info("Uninstall Printer {}".format(name))
uninstallCommand = ["timeout", "10", "lpadmin", "-x", name]
logging.debug("* running '{}'".format(" ".join(uninstallCommand)))
p = subprocess.call(uninstallCommand, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if p == 0:
logging.debug("* Success Uninstall Printer!")
return True
elif p == 124:
logging.fatal(f"* Timeout error while installing printer {name}")
else:
logging.fatal(f"* Error Uninstalling Printer {name}!")
return False