[e58af05] | 1 | from . import InvalidJobException, InvalidPrinterStateException |
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[b01b6d1] | 2 | from gutenbach.ipp import JobStates as States |
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[776a659] | 3 | import os |
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[793432f] | 4 | import gutenbach.ipp as ipp |
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[ee8e6d0] | 5 | import logging |
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[ce2abc5] | 6 | import subprocess |
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| 7 | import time |
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[d04a689] | 8 | |
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| 9 | # initialize logger |
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| 10 | logger = logging.getLogger(__name__) |
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[776a659] | 11 | |
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| 12 | class Job(object): |
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| 13 | |
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[1a63bf7] | 14 | # for IPP |
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[b2e077a] | 15 | attributes = [ |
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| 16 | "job-id", |
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| 17 | "job-name", |
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| 18 | "job-originating-user-name", |
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| 19 | "job-k-octets", |
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| 20 | "job-state", |
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| 21 | "job-printer-uri" |
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[1a63bf7] | 22 | ] |
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[b2e077a] | 23 | |
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[b01b6d1] | 24 | def __init__(self, job_id=-1, printer=None, creator=None, name=None, size=None): |
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| 25 | """Create an empty Gutenbach job. |
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[e58af05] | 26 | |
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[776a659] | 27 | """ |
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[ee8e6d0] | 28 | |
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[b01b6d1] | 29 | self.printer = printer |
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| 30 | self.player = None |
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[ee8e6d0] | 31 | |
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[b01b6d1] | 32 | self.id = job_id |
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| 33 | self.creator = creator |
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| 34 | self.name = name |
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| 35 | self.size = size |
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| 36 | self.status = States.HELD |
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[ee8e6d0] | 37 | |
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[e58af05] | 38 | self.document = None |
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| 39 | self.document_name = None |
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[b01b6d1] | 40 | self.document_format = None |
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| 41 | self.document_natural_language = None |
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| 42 | self.compression = None |
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| 43 | |
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| 44 | def __repr__(self): |
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| 45 | return str(self) |
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| 46 | |
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| 47 | def __str__(self): |
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| 48 | return "<Job %d '%s'>" % (self.id, self.name) |
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[e58af05] | 49 | |
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[b01b6d1] | 50 | ###################################################################### |
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| 51 | ### Properties ### |
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| 52 | ###################################################################### |
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[1a63bf7] | 53 | |
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[b01b6d1] | 54 | @property |
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| 55 | def id(self): |
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| 56 | """Unique job identifier. Should be a positive integer, |
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| 57 | except when unassigned, when it defaults to -1. |
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| 58 | |
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| 59 | """ |
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| 60 | return self._id |
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| 61 | @id.setter |
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| 62 | def id(self, val): |
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[1a63bf7] | 63 | try: |
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[b01b6d1] | 64 | self._id = int(val) |
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| 65 | except TypeError: |
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| 66 | self._id = -1 |
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| 67 | |
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| 68 | @property |
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| 69 | def creator(self): |
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| 70 | """The user who created the job; analogous to the IPP |
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| 71 | requesting-user-name. |
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| 72 | |
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| 73 | """ |
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| 74 | return self._creator |
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| 75 | @creator.setter |
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| 76 | def creator(self, val): |
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| 77 | if val is None: |
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| 78 | self._creator = "" |
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| 79 | else: |
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| 80 | self._creator = str(val) |
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| 81 | |
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| 82 | @property |
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| 83 | def name(self): |
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| 84 | """The job's name. |
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| 85 | |
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| 86 | """ |
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| 87 | return self._name |
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| 88 | @name.setter |
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| 89 | def name(self, val): |
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| 90 | if val is None: |
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| 91 | self._name = "" |
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| 92 | else: |
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| 93 | self._name = str(val) |
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| 94 | |
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| 95 | @property |
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| 96 | def size(self): |
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| 97 | """The size of the job in bytes. |
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[1a63bf7] | 98 | |
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[b01b6d1] | 99 | """ |
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| 100 | if self.document: |
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| 101 | size = os.path.getsize(self.document.name) |
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| 102 | else: |
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| 103 | size = self._size |
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| 104 | return size |
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| 105 | @size.setter |
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| 106 | def size(self, val): |
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[ee8e6d0] | 107 | try: |
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[b01b6d1] | 108 | self._size = int(val) |
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| 109 | except TypeError: |
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| 110 | self._size = 0 |
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| 111 | |
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| 112 | ###################################################################### |
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| 113 | ### Methods ### |
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| 114 | ###################################################################### |
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| 115 | |
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| 116 | def play(self): |
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| 117 | logger.info("playing job %s" % str(self)) |
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| 118 | # TODO: add external call to music player |
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| 119 | self.status = States.PROCESSING |
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| 120 | self.player = subprocess.Popen( |
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| 121 | "/usr/bin/mplayer -quiet %s" % self.document.name, |
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| 122 | shell=True) |
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| 123 | #stderr=subprocess.PIPE, |
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| 124 | #stdout=subprocess.PIPE) |
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| 125 | while self.player.poll() is None: |
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| 126 | time.sleep(0.1) |
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| 127 | logger.info("mplayer finished with code %d" % self.player.returncode) |
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| 128 | #if self.player.returncode < 0: |
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| 129 | # logger.error(self.player.stderr) |
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| 130 | #logger.debug(self.player.stdout) |
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| 131 | self.player = None |
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| 132 | self.printer.complete_job(self.id) |
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| 133 | |
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| 134 | def finish(self): |
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| 135 | logger.info("finished job %s" % str(self)) |
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| 136 | self.status = States.COMPLETE |
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[1a63bf7] | 137 | |
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[b01b6d1] | 138 | ###################################################################### |
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| 139 | ### IPP Attributes ### |
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| 140 | ###################################################################### |
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[776a659] | 141 | |
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| 142 | @property |
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[b2e077a] | 143 | def job_id(self): |
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[b01b6d1] | 144 | return ipp.JobId(self.id) |
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[b2e077a] | 145 | |
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| 146 | @property |
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| 147 | def job_name(self): |
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[793432f] | 148 | return ipp.JobName(self.name) |
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[776a659] | 149 | |
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[b2e077a] | 150 | # XXX: we need to actually calculate this! |
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| 151 | @property |
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| 152 | def job_originating_user_name(self): |
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[ee8e6d0] | 153 | return ipp.JobOriginatingUserName(self.creator) |
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[776a659] | 154 | |
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[b2e077a] | 155 | # XXX: we need to actually calculate this! |
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| 156 | @property |
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| 157 | def job_k_octets(self): |
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[ee8e6d0] | 158 | return ipp.JobKOctets(self.size) |
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[b2e077a] | 159 | |
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| 160 | @property |
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| 161 | def job_state(self): |
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[793432f] | 162 | return ipp.JobState(self.status) |
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[b2e077a] | 163 | |
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| 164 | @property |
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| 165 | def job_printer_uri(self): |
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[793432f] | 166 | return ipp.JobPrinterUri(self.printer.uri) |
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[b2e077a] | 167 | |
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[b01b6d1] | 168 | |
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| 169 | ###################################################################### |
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| 170 | ### IPP Operations ### |
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| 171 | ###################################################################### |
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| 172 | |
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| 173 | def cancel_job(self): |
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| 174 | pass |
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| 175 | |
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| 176 | def send_document(self, |
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| 177 | document, |
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| 178 | document_name=None, |
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| 179 | document_format=None, |
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| 180 | document_natural_language=None, |
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| 181 | requesting_user_name=None, |
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| 182 | compression=None, |
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| 183 | last_document=None): |
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| 184 | |
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| 185 | if self.status != States.HELD: |
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| 186 | raise InvalidJobStateException(self.status) |
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| 187 | |
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| 188 | self.document = document |
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| 189 | self.document_name = str(document_name) |
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| 190 | self.document_format = str(document_format) |
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| 191 | self.document_natural_language = str(document_natural_language) |
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| 192 | self.creator = str(requesting_user_name) |
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| 193 | self.compression = str(compression) |
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| 194 | self.status = States.PENDING |
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| 195 | |
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| 196 | logger.debug("document for job %d is '%s'" % (self.id, self.document_name)) |
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| 197 | |
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| 198 | def send_uri(self): |
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| 199 | pass |
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| 200 | |
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| 201 | def get_job_attributes(self, requested_attributes=None): |
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| 202 | if requested_attributes is None: |
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[ee8e6d0] | 203 | requested = self.attributes |
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[b01b6d1] | 204 | else: |
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| 205 | requested = [a for a in self.attributes if a in requested_attributes] |
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[776a659] | 206 | |
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[b01b6d1] | 207 | _attributes = [attr.replace("-", "_") for attr in requested] |
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| 208 | attributes = [getattr(self, attr) for attr in _attributes] |
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| 209 | return attributes |
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[776a659] | 210 | |
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[b01b6d1] | 211 | def set_job_attributes(self): |
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| 212 | pass |
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[776a659] | 213 | |
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[b01b6d1] | 214 | def restart_job(self): |
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| 215 | pass |
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[776a659] | 216 | |
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[b01b6d1] | 217 | def promote_job(self): |
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| 218 | pass |
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