/usr/share/hplip/fax/soapfax.py is in hplip-data 3.17.10+repack0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# (c) Copyright 2003-2015 HP Development Company, L.P.
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Author: Don Welch
#
# Std Lib
import sys
import os
import time
from io import BytesIO
from base.sixext.moves import urllib2_request, urllib2_parse, urllib2_error # TODO: Replace with urllib2 (urllib is deprecated in Python 3.0)
import re
# Local
from base.g import *
from base.codes import *
from base import device, utils, codes, dime
from .fax import *
from base.sixext import PY3
from base.sixext import to_bytes_utf8
#import xml.parsers.expat as expat
# **************************************************************************** #
http_result_pat = re.compile("""HTTP/\d.\d\s(\d+)""", re.I)
TIME_FORMAT_AM_PM = 1
TIME_FORMAT_24HR = 2
DATE_FORMAT_MM_DD_YYYY = 1
DATE_FORMAT_DD_MM_YYYY = 2
DATE_FORMAT_YYYY_MM_DD = 3
AM = 1
PM = 0
HTTP_OK = 200
HTTP_ERROR = 500
PIXELS_PER_LINE = 2528
# **************************************************************************** #
class SOAPFaxDevice(FaxDevice):
def __init__(self, device_uri=None, printer_name=None,
callback=None,
fax_type=FAX_TYPE_NONE,
disable_dbus=False):
FaxDevice.__init__(self, device_uri,
printer_name,
callback, fax_type,
disable_dbus)
self.send_fax_thread = None
self.upload_log_thread = None
if self.bus == 'net':
self.http_host = self.host
else:
self.http_host = 'localhost'
def post(self, url, post):
s = []
for k, v in list(post.items()):
if PY3:
s.append("%s=%s" % (k, urllib2_parse.quote(str(v))))
else:
s.append("%s=%s" % (k, urllib2_parse.quote(v.encode('utf-8'))))
s = '&'.join(s)
log.debug(s)
data = """POST %s HTTP/1.1
Connection: Keep-alive
User-agent: hplip/2.0
Host: %s
Content-length: %d
Cache-control: No-cache
%s""" % (url, self.http_host, len(s), s)
log.log_data(data)
self.writeEWS(data.encode('utf-8'))
ret = BytesIO()
while self.readEWS(4096, ret, timeout=5):
pass
ret = ret.getvalue()
log.log_data(ret)
self.closeEWS()
match = http_result_pat.match(ret.decode('utf-8'))
try:
code = int(match.group(1))
except (ValueError, TypeError):
code = HTTP_ERROR
return code == HTTP_OK
def setPhoneNum(self, num):
return self.post("/hp/device/set_config.html", {"FaxNumber": str(num)})
def getPhoneNum(self):
stream = BytesIO()
self.getEWSUrl("/hp/device/settings_fax_setup_wizard.xml", stream)
fax_setup = utils.XMLToDictParser().parseXML(stream.getvalue())
return fax_setup['faxsetupwizard-faxvoicenumber-faxnumber']
phone_num = property(getPhoneNum, setPhoneNum)
def setStationName(self, name):
try:
name = name
except(UnicodeEncodeError, UnicodeDecodeError):
log.error("Unicode Error")
return self.post("/hp/device/set_config.html", {"FaxCompanyName": name})
def getStationName(self):
stream = BytesIO()
self.getEWSUrl("/hp/device/settings_fax_setup_wizard.xml", stream)
fax_setup = utils.XMLToDictParser().parseXML(stream.getvalue())
return fax_setup['faxsetupwizard-userinformation-faxcompanyname']
station_name = property(getStationName, setStationName)
def setDateAndTime(self):
stream = BytesIO()
self.getEWSUrl("/hp/device/settings_fax_setup_wizard.xml", stream)
fax_setup = utils.XMLToDictParser().parseXML(stream.getvalue())
timeformat = fax_setup['faxsetupwizard-time-timeformat']
try:
timeformat = int(timeformat)
except (ValueError, TypeError):
timeformat = TIME_FORMAT_AM_PM
log.debug("timeformat: %d" % timeformat)
dateformat = fax_setup['faxsetupwizard-date-dateformat']
try:
dateformat = int(dateformat)
except (ValueError, TypeError):
dateformat = DATE_FORMAT_DD_MM_YYYY
log.debug("dateformat: %d" % dateformat)
t = time.localtime()
hr = t[3]
am_pm = PM
if t[3] < 12:
am_pm = AM
if timeformat == TIME_FORMAT_AM_PM and hr > 12:
hr -= 12
post = {"DateFormat" : str(dateformat),
"Year" : str(t[0]),
"Month" : str(t[1]),
"Day" : str(t[2]),
"TimeFormat" : str(timeformat),
"Hour" : str(hr),
"Minute" : str(t[4])}
if timeformat == TIME_FORMAT_AM_PM:
post['AM'] = str(am_pm)
return self.post("/hp/device/set_config.html", post)
def sendFaxes(self, phone_num_list, fax_file_list, cover_message='', cover_re='',
cover_func=None, preserve_formatting=False, printer_name='',
update_queue=None, event_queue=None):
if not self.isSendFaxActive():
self.send_fax_thread = SOAPFaxSendThread(self, self.service, phone_num_list, fax_file_list,
cover_message, cover_re, cover_func,
preserve_formatting,
printer_name, update_queue,
event_queue)
self.send_fax_thread.start()
return True
else:
return False
# **************************************************************************** #
class SOAPFaxSendThread(FaxSendThread):
def __init__(self, dev, service, phone_num_list, fax_file_list,
cover_message='', cover_re='', cover_func=None, preserve_formatting=False,
printer_name='', update_queue=None, event_queue=None):
FaxSendThread.__init__(self, dev, service, phone_num_list, fax_file_list,
cover_message, cover_re, cover_func, preserve_formatting,
printer_name, update_queue, event_queue)
self.job_id = utils.gen_random_uuid()
log.debug("JobId: %s" % self.job_id)
if dev.bus == 'net':
self.http_host = "%s:8295" % self.dev.host
else:
self.http_host = 'localhost:8295'
#self.http_host = 'localhost'
def run(self):
#results = {} # {'file' : error_code,...}
STATE_DONE = 0
STATE_ABORTED = 10
STATE_SUCCESS = 20
STATE_BUSY = 25
STATE_READ_SENDER_INFO = 30
STATE_PRERENDER = 40
STATE_COUNT_PAGES = 50
STATE_NEXT_RECIPIENT = 60
STATE_COVER_PAGE = 70
STATE_SINGLE_FILE = 80
STATE_MERGE_FILES = 90
STATE_SINGLE_FILE = 100
STATE_SEND_FAX = 110
STATE_CLEANUP = 120
STATE_ERROR = 130
next_recipient = self.next_recipient_gen()
state = STATE_READ_SENDER_INFO
self.rendered_file_list = []
while state != STATE_DONE: # --------------------------------- Fax state machine
if self.check_for_cancel():
state = STATE_ABORTED
log.debug("STATE=(%d, 0, 0)" % state)
if state == STATE_ABORTED: # --------------------------------- Aborted (10, 0, 0)
log.error("Aborted by user.")
self.write_queue((STATUS_IDLE, 0, ''))
state = STATE_CLEANUP
elif state == STATE_SUCCESS: # --------------------------------- Success (20, 0, 0)
log.debug("Success.")
self.write_queue((STATUS_COMPLETED, 0, ''))
state = STATE_CLEANUP
elif state == STATE_ERROR: # --------------------------------- Error (130, 0, 0)
log.error("Error, aborting.")
self.write_queue((STATUS_ERROR, 0, ''))
state = STATE_CLEANUP
elif state == STATE_BUSY: # --------------------------------- Busy (25, 0, 0)
log.error("Device busy, aborting.")
self.write_queue((STATUS_BUSY, 0, ''))
state = STATE_CLEANUP
elif state == STATE_READ_SENDER_INFO: # --------------------------------- Get sender info (30, 0, 0)
log.debug("%s State: Get sender info" % ("*"*20))
state = STATE_PRERENDER
try:
try:
self.dev.open()
except Error as e:
log.error("Unable to open device (%s)." % e.msg)
state = STATE_ERROR
else:
try:
self.sender_name = self.dev.station_name
log.debug("Sender name=%s" % self.sender_name)
self.sender_fax = self.dev.phone_num
log.debug("Sender fax=%s" % self.sender_fax)
except Error:
log.error("HTTP GET failed!")
state = STATE_ERROR
finally:
self.dev.close()
elif state == STATE_PRERENDER: # --------------------------------- Pre-render non-G4 files (40, 0, 0)
log.debug("%s State: Pre-render non-G4 files" % ("*"*20))
state = self.pre_render(STATE_COUNT_PAGES)
elif state == STATE_COUNT_PAGES: # --------------------------------- Get total page count (50, 0, 0)
log.debug("%s State: Get total page count" % ("*"*20))
state = self.count_pages(STATE_NEXT_RECIPIENT)
elif state == STATE_NEXT_RECIPIENT: # --------------------------------- Loop for multiple recipients (60, 0, 0)
log.debug("%s State: Next recipient" % ("*"*20))
state = STATE_COVER_PAGE
try:
recipient = next(next_recipient)
log.debug("Processing for recipient %s" % recipient['name'])
self.write_queue((STATUS_SENDING_TO_RECIPIENT, 0, recipient['name']))
except StopIteration:
state = STATE_SUCCESS
log.debug("Last recipient.")
continue
recipient_file_list = self.rendered_file_list[:]
elif state == STATE_COVER_PAGE: # --------------------------------- Create cover page (70, 0, 0)
log.debug("%s State: Render cover page" % ("*"*20))
state = self.cover_page(recipient)
elif state == STATE_SINGLE_FILE: # --------------------------------- Special case for single file (no merge) (80, 0, 0)
log.debug("%s State: Handle single file" % ("*"*20))
state = self.single_file(STATE_SEND_FAX)
elif state == STATE_MERGE_FILES: # --------------------------------- Merge multiple G4 files (90, 0, 0)
log.debug("%s State: Merge multiple files" % ("*"*20))
state = self.merge_files(STATE_SEND_FAX)
elif state == STATE_SEND_FAX: # --------------------------------- Send fax state machine (110, 0, 0)
log.debug("%s State: Send fax" % ("*"*20))
state = STATE_NEXT_RECIPIENT
FAX_SEND_STATE_DONE = 0
FAX_SEND_STATE_ABORT = 10
FAX_SEND_STATE_ERROR = 20
FAX_SEND_STATE_BUSY = 25
FAX_SEND_STATE_SUCCESS = 30
FAX_SEND_STATE_DEVICE_OPEN = 40
FAX_SEND_STATE_BEGINJOB = 50
FAX_SEND_STATE_DOWNLOADPAGES = 60
FAX_SEND_STATE_ENDJOB = 70
FAX_SEND_STATE_CANCELJOB = 80
FAX_SEND_STATE_CLOSE_SESSION = 170
monitor_state = False
fax_send_state = FAX_SEND_STATE_DEVICE_OPEN
while fax_send_state != FAX_SEND_STATE_DONE:
if self.check_for_cancel():
log.error("Fax send aborted.")
fax_send_state = FAX_SEND_STATE_ABORT
if monitor_state:
fax_state = self.getFaxDownloadState()
if not fax_state in (pml.UPDN_STATE_XFERACTIVE, pml.UPDN_STATE_XFERDONE):
log.error("D/L error state=%d" % fax_state)
fax_send_state = FAX_SEND_STATE_ERROR
state = STATE_ERROR
log.debug("STATE=(%d, %d, 0)" % (STATE_SEND_FAX, fax_send_state))
if fax_send_state == FAX_SEND_STATE_ABORT: # -------------- Abort (110, 10, 0)
monitor_state = False
fax_send_state = FAX_SEND_STATE_CANCELJOB
state = STATE_ABORTED
elif fax_send_state == FAX_SEND_STATE_ERROR: # -------------- Error (110, 20, 0)
log.error("Fax send error.")
monitor_state = False
fax_send_state = FAX_SEND_STATE_CLOSE_SESSION
state = STATE_ERROR
elif fax_send_state == FAX_SEND_STATE_BUSY: # -------------- Busy (110, 25, 0)
log.error("Fax device busy.")
monitor_state = False
fax_send_state = FAX_SEND_STATE_CLOSE_SESSION
state = STATE_BUSY
elif fax_send_state == FAX_SEND_STATE_SUCCESS: # -------------- Success (110, 30, 0)
log.debug("Fax send success.")
monitor_state = False
fax_send_state = FAX_SEND_STATE_CLOSE_SESSION
state = STATE_NEXT_RECIPIENT
elif fax_send_state == FAX_SEND_STATE_DEVICE_OPEN: # -------------- Device open (110, 40, 0)
log.debug("%s State: Open device" % ("*"*20))
fax_send_state = FAX_SEND_STATE_BEGINJOB
try:
self.dev.open()
except Error as e:
log.error("Unable to open device (%s)." % e.msg)
fax_send_state = FAX_SEND_STATE_ERROR
else:
if self.dev.device_state == DEVICE_STATE_NOT_FOUND:
fax_send_state = FAX_SEND_STATE_ERROR
elif fax_send_state == FAX_SEND_STATE_BEGINJOB: # -------------- BeginJob (110, 50, 0)
log.debug("%s State: BeginJob" % ("*"*20))
try:
ff = open(self.f, 'rb')
except IOError:
log.error("Unable to read fax file.")
fax_send_state = FAX_SEND_STATE_ERROR
continue
try:
header = ff.read(FILE_HEADER_SIZE)
except IOError:
log.error("Unable to read fax file.")
fax_send_state = FAX_SEND_STATE_ERROR
continue
magic, version, total_pages, hort_dpi, vert_dpi, page_size, \
resolution, encoding, reserved1, reserved2 = self.decode_fax_header(header)
if magic != b'hplip_g3':
log.error("Invalid file header. Bad magic.")
fax_send_state = FAX_SEND_STATE_ERROR
else:
log.debug("Magic=%s Ver=%d Pages=%d hDPI=%d vDPI=%d Size=%d Res=%d Enc=%d" %
(magic, version, total_pages, hort_dpi, vert_dpi, page_size,
resolution, encoding))
job_id = self.job_id
delay = 0
faxnum = recipient['fax']
speeddial = 0
if resolution == RESOLUTION_STD:
res = "STANDARD"
elif resolution == RESOLUTION_FINE:
res = "FINE"
elif resolution == RESOLUTION_300DPI:
res = "SUPERFINE"
soap = utils.cat(
"""<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"><SOAP-ENV:Body><Fax:BeginJob xmlns:Fax="urn:Fax"><ticket xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="Fax:Ticket"><jobId xmlns:xsd="http://www.w3.org/2001/XMLSchema" xsi:type="xsd:string">$job_id</jobId><resolution xsi:type="Fax:Resolution">$res</resolution><delay xmlns:xsd="http://www.w3.org/2001/XMLSchema" xsi:type="xsd:positiveInteger">$delay</delay><phoneNumber xmlns:xsd="http://www.w3.org/2001/XMLSchema" xsi:type="xsd:string">$faxnum</phoneNumber><speedDial xmlns:xsd="http://www.w3.org/2001/XMLSchema" xsi:type="xsd:positiveInteger">$speeddial</speedDial></ticket></Fax:BeginJob></SOAP-ENV:Body></SOAP-ENV:Envelope>""")
data = self.format_http(soap.encode('utf-8'))
log.log_data(data)
if log.is_debug():
open('beginjob.log', 'wb').write(data)
self.dev.openSoapFax()
self.dev.writeSoapFax(data)
ret = BytesIO()
while self.dev.readSoapFax(8192, ret, timeout=5):
pass
ret = ret.getvalue()
if log.is_debug():
open('beginjob_ret.log', 'wb').write(ret)
log.log_data(ret)
self.dev.closeSoapFax()
if self.get_error_code(ret.decode('utf-8')) == HTTP_OK:
fax_send_state = FAX_SEND_STATE_DOWNLOADPAGES
else:
fax_send_state = FAX_SEND_STATE_ERROR
elif fax_send_state == FAX_SEND_STATE_DOWNLOADPAGES: # -------------- DownloadPages (110, 60, 0)
log.debug("%s State: DownloadPages" % ("*"*20))
page = BytesIO()
for p in range(total_pages):
if self.check_for_cancel():
fax_send_state = FAX_SEND_STATE_ABORT
if fax_send_state == FAX_SEND_STATE_ABORT:
break
try:
header = ff.read(PAGE_HEADER_SIZE)
except IOError:
log.error("Unable to read fax file.")
fax_send_state = FAX_SEND_STATE_ERROR
continue
page_num, ppr, rpp, bytes_to_read, thumbnail_bytes, reserved2 = \
self.decode_page_header(header)
log.debug("Page=%d PPR=%d RPP=%d BPP=%d Thumb=%d" %
(page_num, ppr, rpp, bytes_to_read, thumbnail_bytes))
if ppr != PIXELS_PER_LINE:
log.error("Pixels per line (width) must be %d!" % PIXELS_PER_LINE)
page.write(ff.read(bytes_to_read))
thumbnail = ff.read(thumbnail_bytes) # thrown away for now (should be 0 read)
page.seek(0)
try:
data = page.read(bytes_to_read)
except IOError:
log.error("Unable to read fax file.")
fax_send_state = FAX_SEND_STATE_ERROR
break
if data == b'':
log.error("No data!")
fax_send_state = FAX_SEND_STATE_ERROR
break
height = rpp
job_id = self.job_id
soap = utils.cat(
"""<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"><SOAP-ENV:Header><jobId xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xsd:string" SOAP-ENV:mustUnderstand="1">$job_id</jobId></SOAP-ENV:Header><SOAP-ENV:Body><Fax:DownloadPage xmlns:Fax="urn:Fax"><height xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xsd:positiveInteger">$height</height></Fax:DownloadPage></SOAP-ENV:Body></SOAP-ENV:Envelope>""")
m = dime.Message()
m.add_record(dime.Record(b"cid:id0", b"http://schemas.xmlsoap.org/soap/envelope/",
dime.TYPE_T_URI, to_bytes_utf8(soap)))
m.add_record(dime.Record(b"", b"image/g4fax", dime.TYPE_T_MIME, data))
output = BytesIO()
m.generate(output)
data = self.format_http(output.getvalue(), content_type="application/dime")
log.log_data(data)
if log.is_debug():
open('downloadpages%d.log' % p, 'wb').write(data)
try:
self.dev.writeSoapFax(data)
except Error:
fax_send_state = FAX_SEND_STATE_ERROR
ret = BytesIO()
try:
while self.dev.readSoapFax(8192, ret, timeout=5):
pass
except Error:
fax_send_state = FAX_SEND_STATE_ERROR
ret = ret.getvalue()
if log.is_debug():
open('downloadpages%d_ret.log' % p, 'wb').write(ret)
log.log_data(ret)
self.dev.closeSoapFax()
if self.get_error_code(ret.decode('utf-8')) != HTTP_OK:
fax_send_state = FAX_SEND_STATE_ERROR
break
page.truncate(0)
page.seek(0)
else:
fax_send_state = FAX_SEND_STATE_ENDJOB
elif fax_send_state == FAX_SEND_STATE_ENDJOB: # -------------- EndJob (110, 70, 0)
log.debug("%s State: EndJob" % ("*"*20))
job_id = self.job_id
soap = utils.cat(
"""<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"><SOAP-ENV:Header><jobId xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xsd:string" SOAP-ENV:mustUnderstand="1">$job_id</jobId></SOAP-ENV:Header><SOAP-ENV:Body><Fax:EndJob xmlns:Fax="urn:Fax"><jobId xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xsd:string">$job_id</jobId></Fax:EndJob></SOAP-ENV:Body></SOAP-ENV:Envelope>""")
data = self.format_http(soap.encode('utf-8'))
log.log_data(data)
if log.is_debug():
open('endjob.log', 'wb').write(data)
self.dev.writeSoapFax(data)
ret = BytesIO()
while self.dev.readSoapFax(8192, ret, timeout=5):
pass
ret = ret.getvalue()
if log.is_debug():
open('endjob_ret.log', 'wb').write(ret)
log.log_data(ret)
self.dev.closeSoapFax()
if self.get_error_code(ret.decode('utf-8')) == HTTP_OK:
fax_send_state = FAX_SEND_STATE_SUCCESS
else:
fax_send_state = FAX_SEND_STATE_ERROR
elif fax_send_state == FAX_SEND_STATE_CANCELJOB: # -------------- CancelJob (110, 80, 0)
log.debug("%s State: CancelJob" % ("*"*20))
job_id = self.job_id
soap = utils.cat(
"""<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"><SOAP-ENV:Header><jobId xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xsd:string" SOAP-ENV:mustUnderstand="1">$job_id</jobId></SOAP-ENV:Header><SOAP-ENV:Body><Fax:CancelJob xmlns:Fax="urn:Fax"><jobId xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xsd:string">$job_id</jobId></Fax:CancelJob></SOAP-ENV:Body></SOAP-ENV:Envelope>""")
data = self.format_http(soap.encode('utf-8'))
log.log_data(data)
if log.is_debug():
open('canceljob.log', 'wb').write(data)
self.dev.writeSoapFax(data)
ret = BytesIO()
while self.dev.readSoapFax(8192, ret, timeout=5):
pass
ret = ret.getvalue()
if log.is_debug():
open('canceljob_ret.log', 'wb').write(ret)
log.log_data(ret)
self.dev.closeSoapFax()
if self.get_error_code(ret.decode('utf-8')) == HTTP_OK:
fax_send_state = FAX_SEND_STATE_CLOSE_SESSION
else:
fax_send_state = FAX_SEND_STATE_ERROR
elif fax_send_state == FAX_SEND_STATE_CLOSE_SESSION: # -------------- Close session (110, 170, 0)
log.debug("%s State: Close session" % ("*"*20))
log.debug("Closing session...")
try:
mm.close()
except NameError:
pass
try:
ff.close()
except NameError:
pass
time.sleep(1)
self.dev.closeSoapFax()
self.dev.close()
fax_send_state = FAX_SEND_STATE_DONE # Exit inner state machine
elif state == STATE_CLEANUP: # --------------------------------- Cleanup (120, 0, 0)
log.debug("%s State: Cleanup" % ("*"*20))
if self.remove_temp_file:
log.debug("Removing merged file: %s" % self.f)
try:
os.remove(self.f)
log.debug("Removed")
except OSError:
log.debug("Not found")
state = STATE_DONE # Exit outer state machine
def get_error_code(self, ret):
if not ret: return HTTP_ERROR
match = http_result_pat.match(ret)
if match is None: return HTTP_OK
try:
code = int(match.group(1))
except (ValueError, TypeError):
code = HTTP_ERROR
return code
def format_http(self, soap, content_type="text/xml; charset=utf-8"):
host = self.http_host
soap_len = len(soap)
return (utils.cat(
"""POST / HTTP/1.1\r
Host: $host\r
User-Agent: hplip/2.0\r
Content-Type: $content_type\r
Content-Length: $soap_len\r
Connection: close\r
SOAPAction: ""\r
\r\n""")).encode('utf-8') + soap
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