[impression] impression via l'interface web
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Daniel STAN
parent
7ab984dc69
commit
ebe94de094
3 changed files with 247 additions and 2 deletions
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impression/canon_wrapper.py
Executable file
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impression/canon_wrapper.py
Executable file
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#!/usr/bin/python
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# -*- encoding: utf-8 -*-
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import requests #pip install requests
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# See:
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# http://docs.python-requests.org/en/latest/user/quickstart/#post-a-multipart-encoded-file
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import os, os.path, sys
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import time
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import argparse
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import types
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import tempfile, atexit
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import subprocess
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from syslog import syslog, openlog
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BASE_URL = "http://imprimante.adm.crans.org"
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URIs = {
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'root': '/',
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'ended_jobs_csv': '/pprint.csv?Flag=Csv_Data&LogType=0&Dummy=%(timestamp)s',
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'current_jobs': '/jpl.cgi?Flag=Init_Data&CorePGTAG=6&Dummy=%(timestamp)s',
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'print': '/ppdf.cgi?Type=PDF&Dummy=%(timestamp)s',
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'do_print': '/pprint.cgi',
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}
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STAPLE_POSITIONS={"TopLeft":"5", "TopRight":"6", "BottomLeft":"7",
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"BottomRight":"8", "Top":"1", "Bottom":"2", "Left":"3",
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"Right":"4", "None":"0", "Book":"9",}
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OPTIONS = {
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"Url": "http://",
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"Mode": 100,
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"ManualNo": 0,
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"DocPasswd": "",
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"WebUserName": '',
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"WebPasswd": '',
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"PageMode": {'all': 0, 'range': 1, 'default': 0},
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"StartPage": 1,
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"EndPage": 1,
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"Copies": lambda args: args.copies,
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"MediaSize": lambda args: {
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'auto': 0, 'default': 0,
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"a4": 5, "a3": 6, "a5": 16, "b4": 12, "b5": 13,
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"ltr": 1, "lgl": 2, "11x17": 3, "exec": 4, "com-10": 7,
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"monarch": 8, "c5 env": 9, "b5 env": 10, "dl env": 11,
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}.get(args.page_size.lower()),
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"MediaType": 0, # TODO
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"ManualFeed": 0,
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"FitSize": lambda args: {'no': 0, 'yes': 1, 'default': 1}.get(args.expand),
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#expand to mediasize
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"DuplexType": lambda args:
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{'book': 0, 'one-sided': 0, 'short-edge': 1,
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'long-edge': 2}.get(args.duplex_type),
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# NB: book => one-sided (sinon, ça peut merder)
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"Sort": {'none': 0, 'finition': 1, 'default': 1},
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#finition: pour tout ce qui a une finition
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# TODO
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"PunchPos": 0,
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"StapleType": lambda args: STAPLE_POSITIONS['Book'] if args.duplex_type == 'book'
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else STAPLE_POSITIONS[args.staple_position],
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"BookType": lambda args: 0 if args.duplex_type == 'book' else 2,
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"Annotation": 2,
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"ColorMode": lambda args: {'yes': 2, 'no': 1}.get(args.colors),
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"C_Render": 0, "C_RGB_Pro": 1, "C_CMYK_Pro": 4, "C_OUT_Pro": 1,
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"C_GRAY_Pro": 1, "C_Matching": 0,
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"SPOT_Color": 1,
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"C_Pure_B": 1, "C_B_OVPrn": 1, "C_Bright": 100, "C_Gray_Com": 1,
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"C_OVR_EFF": 1,
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"WidePrn": 0,
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"NupPrint": 0, "NupStart": 0,
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"Resolution": 1,
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"HalfToneTxt": 1, "HalfToneGrp": 1, "HalfToneImg": 1,
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"AstIntensity": 2, "AstText": 0, "AstGrap": 1, "AstImag": 1,
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"StoreBox": lambda args: int(args.test),
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"BoxNo": 17,
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"RGBDLName": "",
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"CMYKDLName": "",
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"OUTDLName": "",
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"BOXName": lambda args: args.jobname + '_%d' % int(time.time()),
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"Flag": "Exec_Data_Pdf",
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"Dummy": lambda _: int(time.time()),
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"Direct": 100,
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}
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def build_options(args):
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opt = {}
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for (k,v) in OPTIONS.iteritems():
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if isinstance(v, types.FunctionType):
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v = v(args)
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if isinstance(v, dict):
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v = v['default']
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if not isinstance(v, file):
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v = str(v)
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opt[k] = v
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return opt
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def build_url(name):
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""" Build url from a page name (see URIs) """
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return (BASE_URL + URIs[name]) % {
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'timestamp': int(time.time()),
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}
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def range_checker(a, b):
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def cast(x):
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try:
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v = int(x)
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except ValueError(err):
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raise argparse.ArgumentTypeError(str(err))
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if v not in xrange(a, b):
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raise argparse.ArgumentTypeError("should be between %d and %d" % (a, b))
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return v
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return cast
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def build_parser():
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parser = argparse.ArgumentParser(
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description="HTTP printing driver for irc3580, with compatibility mode.",
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epilog="logs are sent to syslog (eg /var/log/canon_wrapper.log)",
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prog='canon_wrapper',
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formatter_class=argparse.ArgumentDefaultsHelpFormatter,
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)
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parser.add_argument('--jobname', help="job name as seen by the printer",
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default="unamed job",
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)
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parser.add_argument('--copies', default=1,
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help="number of copies",
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type=range_checker(1,1000),
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)
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parser.add_argument('--colors', type=str, default='yes', const="yes",
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nargs="?",
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choices=["yes", "no"],
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)
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parser.add_argument('--expand', type=str, default='yes', const="yes",
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nargs="?",
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choices=["yes", "no"],
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help="expand to page size",
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)
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parser.add_argument('--duplex-type', type=str, default='one-sided',
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choices=["one-sided", "short-edge", "long-edge",
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"book"],
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)
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parser.add_argument('--page-size', type=str, default='A4',
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choices=["A3", "A4"],
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help="page size",
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)
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parser.add_argument('--test', default=False, const=True,
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action='store_const',
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help="Don't really print, send to box folder",
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)
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parser.add_argument('--staple-position', default='None',
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choices=STAPLE_POSITIONS.keys(),
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help="Where to staple",
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)
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parser.add_argument('filename')
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return parser
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def do_print(args):
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opt=build_options(args)
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syslog('Options: %s' % repr(opt))
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#syslog('Starting ghostscript compat, piped mode')
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temppdf = tempfile.NamedTemporaryFile(suffix='.pdf')
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syslog('Starting ghostscript compat to %s' % temppdf.name)
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atexit.register(temppdf.close)
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proc = subprocess.Popen(['/usr/bin/gs','-dCompatibilityLevel=1.2',
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'-dBATCH','-dNOPAUSE','-sDEVICE=pdfwrite',
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'-sOutputFile=' + temppdf.name,
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args.filename])
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# '-sOutputFile=%stdout%', '-q',
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# args.filename], stdout=subprocess.PIPE)
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ret = proc.wait()
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syslog('ghostscript compat finished with ret=%d' % ret)
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if ret != 0:
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syslog('aborting.')
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return ret
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syslog('Getting cookie...')
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cook = requests.get(build_url('root')).cookies
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syslog('Sending pdf (%d bytes)...' % os.stat(temppdf.name).st_size)
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temppdf.seek(0)
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req = requests.post(build_url('do_print'), cookies=cook, data=opt,
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files={'File': (args.jobname + '.pdf', temppdf)})
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#files={'File': (args.jobname + '.pdf', proc.stdout)})
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temppdf.close()
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if "ms_err.gif" in req.text:
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syslog("Printer side ERROR !")
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return 42
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syslog('Compatibilized pdf successfully sent. Continue tracking on the printer !')
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return 0
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if __name__ == '__main__':
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parser = build_parser()
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args = parser.parse_args()
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if args:
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try:
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openlog('canon_wrapper[%s]' % args.jobname)
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sys.exit(do_print(args))
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except Exception as e:
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syslog('Caught exception %s' % repr(e))
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raise
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