/usr/share/system-config-printer/PhysicalDevice.py is in system-config-printer-common 1.5.11-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 | #!/usr/bin/python3
## Copyright (C) 2008, 2009, 2010, 2012, 2014 Red Hat, Inc.
## Authors:
## Tim Waugh <twaugh@redhat.com>
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import config
import gettext
gettext.install(domain=config.PACKAGE, localedir=config.localedir)
import cupshelpers
import urllib.parse
import ppdippstr
import socket
from debug import *
class PhysicalDevice:
def __init__(self, device):
self.devices = None
self._network_host = None
self.dnssd_hostname = None
self._cupsserver = False
self.firsturi = None
self.add_device (device)
self._user_data = {}
self._ppdippstr = ppdippstr.backends
def _canonical_id (self, device):
if hasattr (device, "id_dict"):
mfg = device.id_dict.get ('MFG', '')
mdl = device.id_dict.get ('MDL', '')
if mfg == '' or mdl.lower ().startswith (mfg.lower ()):
make_and_model = mdl
else:
make_and_model = "%s %s" % (mfg, mdl)
else:
make_and_model = device.make_and_model
return cupshelpers.ppds.ppdMakeModelSplit (make_and_model)
def _add_dot_local_if_needed(self, hostname):
if (hostname is None):
return None
if ((not '.' in hostname) and (not ':' in hostname) and
(hostname != 'localhost')):
return hostname + '.local'
else:
return hostname
def _get_address (self, hostname):
try:
address = socket.getaddrinfo(hostname, 0,
family=socket.AF_INET)[0][4][0]
except:
try:
address = socket.getaddrinfo(hostname, 0,
family=socket.AF_INET6)[0][4][0]
except:
address = None
return address
def _get_host_from_uri (self, uri):
hostport = None
host = None
dnssdhost = None
(scheme, rest) = urllib.parse.splittype (uri)
if scheme == 'hp' or scheme == 'hpfax':
ipparam = None
if rest.startswith ("/net/"):
(rest, ipparam) = urllib.parse.splitquery (rest[5:])
if ipparam is not None:
if ipparam.startswith("ip="):
hostport = ipparam[3:]
elif ipparam.startswith ("hostname="):
hostport = ipparam[9:]
elif ipparam.startswith("zc="):
dnssdhost = ipparam[3:]
else:
return None, None
else:
return None, None
elif scheme == 'dnssd' or scheme == 'mdns':
# The URIs of the CUPS "dnssd" backend do not contain the host
# name of the printer
return None, None
else:
(hostport, rest) = urllib.parse.splithost (rest)
if hostport is None:
return None, None
if hostport:
(host, port) = urllib.parse.splitport (hostport)
if (host):
ip = None
try:
ip = self._get_address(host)
if ip:
host = ip
except:
pass
elif (dnssdhost):
try:
host = self._get_address(dnssdhost)
except:
host = None
return self._add_dot_local_if_needed(host), \
self._add_dot_local_if_needed(dnssdhost)
def add_device (self, device):
if self._network_host or self.dnssd_hostname:
host, dnssdhost = self._get_host_from_uri (device.uri)
if (hasattr (device, 'address')):
host = self._add_dot_local_if_needed(device.address)
if (hasattr (device, 'hostname') and dnssdhost is None):
dnssdhost = self._add_dot_local_if_needed(device.hostname)
if (host is None and dnssdhost is None) or \
not ((host and self._network_host and
host == self._network_host) or
(host and self.dnssd_hostname and
host == self.dnssd_hostname) or
(dnssdhost and self._network_host and
dnssdhost == self._network_host) or
(dnssdhost and self.dnssd_hostname and
dnssdhost == self.dnssd_hostname)) or \
(host is None and self.dnssd_hostname is None) or \
(dnssdhost is None and self._network_host is None):
raise ValueError
else:
(mfg, mdl) = self._canonical_id (device)
if self.devices is None:
self.mfg = mfg
self.mdl = mdl
self.mfg_lower = mfg.lower ()
self.mdl_lower = mdl.lower ()
self.sn = device.id_dict.get ('SN', '')
self.devices = []
else:
def nicest (a, b):
def count_lower (s):
l = s.lower ()
n = 0
for i in range (len (s)):
if l[i] != s[i]:
n += 1
return n
if count_lower (b) < count_lower (a):
return b
return a
self.mfg = nicest (self.mfg, mfg)
self.mdl = nicest (self.mdl, mdl)
sn = device.id_dict.get ('SN', '')
if sn != '' and self.sn != '' and sn != self.sn:
raise ValueError
if device.type == "socket":
# Remove default port to more easily find duplicate URIs
device.uri = device.uri.replace (":9100", "")
if (device.uri.startswith('ipp:') and \
device.uri.find('/printers/') != -1) or \
((device.uri.startswith('dnssd:') or \
device.uri.startswith('mdns:')) and \
device.uri.endswith('/cups')):
# CUPS server
self._cupsserver = True
elif self._cupsserver:
# Non-CUPS queue on a CUPS server, drop this one
return
for d in self.devices:
if d.uri == device.uri:
return
# Use the URI of the very first device added as a kind of identifier
# for this physical device record, to make debugging easier
if not self.firsturi:
self.firsturi = device.uri;
self.devices.append (device)
self.devices.sort ()
if (not self._network_host or not self.dnssd_hostname) and \
device.device_class == "network":
# We just added a network device.
self._network_host, dnssdhost = \
self._get_host_from_uri (device.uri)
if dnssdhost:
self.dnssd_hostname = dnssdhost;
if (hasattr (device, 'address') and self._network_host is None):
address = device.address
if address:
self._network_host = self._add_dot_local_if_needed(address)
if (hasattr (device, 'hostname') and self.dnssd_hostname is None):
hostname = device.hostname
if hostname:
self.dnssd_hostname = self._add_dot_local_if_needed(hostname)
if (self.dnssd_hostname and self._network_host is None):
try:
self._network_host = self._get_address(hostname);
except:
self._network_host = None
debugprint("Device %s added to physical device: %s" %
(device.uri, repr(self)))
def get_devices (self):
return self.devices
def get_info (self):
# If the manufacturer/model is not known, or useless (in the
# case of the hpfax backend or a dnssd URI pointing to a remote
# CUPS queue), show the device-info field instead.
if (self.devices[0].uri.startswith('ipp:') and \
self.devices[0].uri.find('/printers/') != -1) or \
((self.devices[0].uri.startswith('dnssd:') or \
self.devices[0].uri.startswith('mdns:')) and \
self.devices[0].uri.endswith('/cups')):
if not self.dnssd_hostname:
info = "%s" % self._network_host
elif not self._network_host or self._network_host.find(":") != -1:
info = "%s" % self.dnssd_hostname
else:
if self._network_host != self.dnssd_hostname:
info = "%s (%s)" % (self.dnssd_hostname, self._network_host)
else:
info = "%s" % self._network_host
elif self.mfg == '' or \
(self.mfg == "HP" and self.mdl.startswith("Fax")):
info = self._ppdippstr.get (self.devices[0].info)
else:
info = "%s %s" % (self.mfg, self.mdl)
if ((self._network_host and len (self._network_host) > 0) or \
(self.dnssd_hostname and len (self.dnssd_hostname) > 0)) and not \
((self.devices[0].uri.startswith('dnssd:') or \
self.devices[0].uri.startswith('mdns:')) and \
self.devices[0].uri.endswith('/cups')) and \
(not self._network_host or \
info.find(self._network_host) == -1) and \
(not self.dnssd_hostname or \
info.find(self.dnssd_hostname) == -1):
if not self.dnssd_hostname:
info += " (%s)" % self._network_host
elif not self._network_host:
info += " (%s)" % self.dnssd_hostname
else:
info += " (%s, %s)" % (self.dnssd_hostname, self._network_host)
elif len (self.sn) > 0:
info += " (%s)" % self.sn
return info
# User data
def set_data (self, key, value):
self._user_data[key] = value
def get_data (self, key):
return self._user_data.get (key)
def __str__ (self):
return "(description: %s)" % self.__repr__ ()
def __repr__ (self):
return ("<PhysicalDevice.PhysicalDevice (%s,%s,%s,%s,%s,%s)>" %
(self.mfg, self.mdl, self.sn, self._network_host,
self.dnssd_hostname, self.firsturi))
def __eq__(self, other):
if type (other) != type (self):
return False
if not (((not self._network_host or len (self._network_host) == 0) and
(not other._network_host or len (other._network_host) == 0) and
(not self.dnssd_hostname or len (self.dnssd_hostname) == 0) and
(not other.dnssd_hostname or
len (other.dnssd_hostname) == 0)) or
(self._network_host and len (self._network_host) > 0 and
other._network_host and len (other._network_host) > 0 and
self._network_host == other._network_host) or
(self.dnssd_hostname and len (self.dnssd_hostname) > 0 and
other.dnssd_hostname and len (other.dnssd_hostname) > 0 and
self.dnssd_hostname == other.dnssd_hostname) or
(self._network_host and len (self._network_host) > 0 and
other.dnssd_hostname and len (other.dnssd_hostname) > 0 and
self._network_host == other.dnssd_hostname) or
(self.dnssd_hostname and len (self.dnssd_hostname) > 0 and
other._network_host and len (other._network_host) > 0 and
self.dnssd_hostname == other._network_host)):
return False
devs = other.get_devices()
if devs:
uris = [x.uri for x in self.devices]
for dev in devs:
if dev.uri in uris:
# URI match
return True
if ((other.mfg == '' and other.mdl == '') or
(self.mfg == '' and self.mdl == '')):
if other.mfg == '' and self.mfg == '':
# Both just a backend, not a real physical device.
return self.devices[0] == other.devices[0]
# One or other is just a backend, not a real physical device.
return False
def split_make_and_model (dev):
if dev.mfg == '' or dev.mdl.lower ().startswith (dev.mfg.lower ()):
make_and_model = dev.mdl
else:
make_and_model = "%s %s" % (dev.mfg, dev.mdl)
(mfg, mdl) = cupshelpers.ppds.ppdMakeModelSplit (make_and_model)
return (cupshelpers.ppds.normalize (mfg),
cupshelpers.ppds.normalize (mdl))
(our_mfg, our_mdl) = split_make_and_model (self)
(other_mfg, other_mdl) = split_make_and_model (other)
if our_mfg != other_mfg:
return False
if our_mfg == "hp" and self.sn != '' and self.sn == other.sn:
return True
if our_mdl != other_mdl:
return False
if self.sn == '' or other.sn == '':
return True
return self.sn == other.sn
def __lt__(self, other):
if type (other) != type (self):
return False
if self == other:
return False;
if self._network_host != other._network_host:
if self._network_host is None:
return True
if other._network_host is None:
return False
return self._network_host < other._network_host
if self.dnssd_hostname != other.dnssd_hostname:
if self.dnssd_hostname is None:
return True
if other.dnssd_hostname is None:
return False
return self.dnssd_hostname < other.dnssd_hostname
devs = other.get_devices()
if devs:
uris = [x.uri for x in self.devices]
for dev in devs:
if dev.uri in uris:
# URI match, so compare equal. Not less than.
return False
if ((other.mfg == '' and other.mdl == '') or
(self.mfg == '' and self.mdl == '')):
if other.mfg == '' and self.mfg == '':
# Both just a backend, not a real physical device.
return self.devices[0] < other.devices[0]
# One or other is just a backend, not a real physical device.
return other.mfg == '' and other.mdl == ''
def split_make_and_model (dev):
if dev.mfg == '' or dev.mdl.lower ().startswith (dev.mfg.lower ()):
make_and_model = dev.mdl
else:
make_and_model = "%s %s" % (dev.mfg, dev.mdl)
(mfg, mdl) = cupshelpers.ppds.ppdMakeModelSplit (make_and_model)
return (cupshelpers.ppds.normalize (mfg),
cupshelpers.ppds.normalize (mdl))
(our_mfg, our_mdl) = split_make_and_model (self)
(other_mfg, other_mdl) = split_make_and_model (other)
if our_mfg != other_mfg:
return our_mfg < other_mfg
if our_mdl != other_mdl:
return our_mdl < other_mdl
if self.sn == '' or other.sn == '':
return False
return self.sn < other.sn
if __name__ == '__main__':
import authconn
c = authconn.Connection ()
devices = cupshelpers.getDevices (c)
physicaldevices = []
for device in devices.values ():
physicaldevice = PhysicalDevice (device)
try:
i = physicaldevices.index (physicaldevice)
physicaldevices[i].add_device (device)
except ValueError:
physicaldevices.append (physicaldevice)
physicaldevices.sort ()
for physicaldevice in physicaldevices:
print(physicaldevice.get_info ())
devices = physicaldevice.get_devices ()
for device in devices:
print(" ", device)
|