[b2e077a] | 1 | #import alsaaudio as aa |
---|
[e58af05] | 2 | from . import InvalidJobException, InvalidPrinterStateException |
---|
| 3 | from . import Job |
---|
[b2e077a] | 4 | import gutenbach.ipp as ipp |
---|
| 5 | import logging |
---|
| 6 | import time |
---|
[d04a689] | 7 | |
---|
| 8 | # initialize logger |
---|
| 9 | logger = logging.getLogger(__name__) |
---|
[776a659] | 10 | |
---|
[b2e077a] | 11 | class GutenbachPrinter(object): |
---|
| 12 | |
---|
[1a63bf7] | 13 | # for IPP |
---|
[b2e077a] | 14 | attributes = [ |
---|
| 15 | "printer-uri-supported", |
---|
| 16 | "uri-authentication-supported", |
---|
| 17 | "uri-security-supported", |
---|
| 18 | "printer-name", |
---|
| 19 | "printer-state", |
---|
| 20 | "printer-state-reasons", |
---|
| 21 | "ipp-versions-supported", |
---|
| 22 | "operations-supported", |
---|
| 23 | "charset-configured", |
---|
| 24 | "charset-supported", |
---|
| 25 | "natural-language-configured", |
---|
| 26 | "generated-natural-language-supported", |
---|
| 27 | "document-format-default", |
---|
| 28 | "document-format-supported", |
---|
| 29 | "printer-is-accepting-jobs", |
---|
| 30 | "queued-job-count", |
---|
| 31 | "pdl-override-supported", |
---|
| 32 | "printer-up-time", |
---|
[f6e2532] | 33 | "compression-supported", |
---|
| 34 | "multiple-operation-time-out", |
---|
| 35 | "multiple-document-jobs-supported", |
---|
[1a63bf7] | 36 | ] |
---|
[b2e077a] | 37 | |
---|
[f6e2532] | 38 | operations = [ |
---|
| 39 | "print-job", |
---|
| 40 | "complete-job", |
---|
| 41 | "start-job", |
---|
| 42 | "get-job", |
---|
| 43 | "get-jobs", |
---|
| 44 | ] |
---|
| 45 | |
---|
| 46 | |
---|
[b2e077a] | 47 | #def __init__(self, name, card, mixer): |
---|
| 48 | def __init__(self, name): |
---|
| 49 | |
---|
[1a63bf7] | 50 | self.name = name |
---|
| 51 | self.uri = "ipp://localhost:8000/printers/" + self.name |
---|
| 52 | self.time_created = int(time.time()) |
---|
| 53 | self.state = "idle" |
---|
[b2e077a] | 54 | |
---|
| 55 | # if card >= len(aa.cards()): |
---|
| 56 | # raise aa.ALSAAudioError( |
---|
| 57 | # "Audio card at index %d does not exist!" % card) |
---|
| 58 | # elif mixer not in aa.mixers(card): |
---|
| 59 | # raise aa.ALSAAudioError( |
---|
| 60 | # "Audio mixer '%s' does not exist!" % mixer) |
---|
[776a659] | 61 | |
---|
[b2e077a] | 62 | # self.card = card |
---|
| 63 | # self.mixer = mixer |
---|
[776a659] | 64 | |
---|
| 65 | self.finished_jobs = [] |
---|
| 66 | self.active_jobs = [] |
---|
| 67 | self.jobs = {} |
---|
| 68 | |
---|
[7c143c9] | 69 | # cups ignores jobs with id 0, so we have to start at 1 |
---|
| 70 | self._next_jobid = 1 |
---|
[776a659] | 71 | |
---|
[1a63bf7] | 72 | def __getattr__(self, attr): |
---|
| 73 | try: |
---|
[6effd50] | 74 | return self.__getattribute__(attr) |
---|
[1a63bf7] | 75 | except AttributeError: |
---|
| 76 | pass |
---|
[6effd50] | 77 | return self.__getattribute__(attr.replace("-", "_")) |
---|
[1a63bf7] | 78 | |
---|
| 79 | def __hasattr__(self, attr): |
---|
[6effd50] | 80 | try: |
---|
| 81 | getattr(self, attr) |
---|
| 82 | return True |
---|
| 83 | except AttributeError: |
---|
| 84 | return False |
---|
[1a63bf7] | 85 | |
---|
[b2e077a] | 86 | ## Printer attributes |
---|
[1a63bf7] | 87 | |
---|
[b2e077a] | 88 | @property |
---|
| 89 | def printer_uri_supported(self): |
---|
[793432f] | 90 | return ipp.PrinterUriSupported(self.uri) |
---|
[1a63bf7] | 91 | |
---|
[b2e077a] | 92 | @property |
---|
| 93 | def uri_authentication_supported(self): |
---|
[793432f] | 94 | return ipp.UriAuthenticationSupported("none") |
---|
[b2e077a] | 95 | |
---|
| 96 | @property |
---|
| 97 | def uri_security_supported(self): |
---|
[793432f] | 98 | return ipp.UriSecuritySupported("none") |
---|
[b2e077a] | 99 | |
---|
| 100 | @property |
---|
| 101 | def printer_name(self): |
---|
[793432f] | 102 | return ipp.PrinterName(self.name) |
---|
[1a63bf7] | 103 | |
---|
[b2e077a] | 104 | @property |
---|
| 105 | def printer_state(self): |
---|
[793432f] | 106 | return ipp.PrinterState(ipp.constants.PrinterStates.IDLE) |
---|
[1a63bf7] | 107 | |
---|
[b2e077a] | 108 | @property |
---|
| 109 | def printer_state_reasons(self): |
---|
[793432f] | 110 | return ipp.PrinterStateReasons("none") |
---|
[b2e077a] | 111 | |
---|
| 112 | @property |
---|
| 113 | def ipp_versions_supported(self): |
---|
[793432f] | 114 | return ipp.IppVersionsSupported("1.0", "1.1") |
---|
[1a63bf7] | 115 | |
---|
[f6e2532] | 116 | # XXX: We should query ourself for the supported operations |
---|
[b2e077a] | 117 | @property |
---|
| 118 | def operations_supported(self): |
---|
[793432f] | 119 | return ipp.OperationsSupported(ipp.OperationCodes.GET_JOBS) |
---|
[b2e077a] | 120 | |
---|
| 121 | @property |
---|
| 122 | def charset_configured(self): |
---|
[793432f] | 123 | return ipp.CharsetConfigured("utf-8") |
---|
[b2e077a] | 124 | |
---|
| 125 | @property |
---|
| 126 | def charset_supported(self): |
---|
[793432f] | 127 | return ipp.CharsetSupported("utf-8") |
---|
[b2e077a] | 128 | |
---|
| 129 | @property |
---|
| 130 | def natural_language_configured(self): |
---|
[793432f] | 131 | return ipp.NaturalLanguageConfigured("en-us") |
---|
[b2e077a] | 132 | |
---|
| 133 | @property |
---|
| 134 | def generated_natural_language_supported(self): |
---|
[793432f] | 135 | return ipp.GeneratedNaturalLanguageSupported("en-us") |
---|
[b2e077a] | 136 | |
---|
| 137 | @property |
---|
| 138 | def document_format_default(self): |
---|
[793432f] | 139 | return ipp.DocumentFormatDefault("application/octet-stream") |
---|
[b2e077a] | 140 | |
---|
| 141 | @property |
---|
| 142 | def document_format_supported(self): |
---|
[793432f] | 143 | return ipp.DocumentFormatSupported("application/octet-stream", "audio/mp3") |
---|
[b2e077a] | 144 | |
---|
| 145 | @property |
---|
| 146 | def printer_is_accepting_jobs(self): |
---|
[793432f] | 147 | return ipp.PrinterIsAcceptingJobs(True) |
---|
[b2e077a] | 148 | |
---|
| 149 | @property |
---|
| 150 | def queued_job_count(self): |
---|
[793432f] | 151 | return ipp.QueuedJobCount(len(self.active_jobs)) |
---|
[b2e077a] | 152 | |
---|
| 153 | @property |
---|
| 154 | def pdl_override_supported(self): |
---|
[793432f] | 155 | return ipp.PdlOverrideSupported("not-attempted") |
---|
[b2e077a] | 156 | |
---|
| 157 | @property |
---|
| 158 | def printer_up_time(self): |
---|
[793432f] | 159 | return ipp.PrinterUpTime(int(time.time()) - self.time_created) |
---|
[b2e077a] | 160 | |
---|
| 161 | @property |
---|
| 162 | def compression_supported(self): |
---|
[793432f] | 163 | return ipp.CompressionSupported("none") |
---|
[b2e077a] | 164 | |
---|
[f6e2532] | 165 | @property |
---|
| 166 | def multiple_operation_time_out(self): |
---|
[793432f] | 167 | return ipp.MultipleOperationTimeOut(240) |
---|
[f6e2532] | 168 | |
---|
| 169 | @property |
---|
| 170 | def multiple_document_jobs_supported(self): |
---|
[793432f] | 171 | return ipp.MultipleDocumentJobsSupported(False) |
---|
[f6e2532] | 172 | |
---|
[ee8e6d0] | 173 | ## Printer operations |
---|
| 174 | |
---|
| 175 | def get_printer_attributes(self, request=None): |
---|
| 176 | if request and 'requested-attributes' in request: |
---|
| 177 | requested = [] |
---|
| 178 | for value in request['requested-attributes'].values: |
---|
| 179 | if value.value in self.attributes: |
---|
| 180 | requested.append(value.value) |
---|
| 181 | else: |
---|
| 182 | requested = self.attributes |
---|
| 183 | |
---|
| 184 | attributes = [getattr(self, attr) for attr in requested] |
---|
[b2e077a] | 185 | return attributes |
---|
| 186 | |
---|
[ee8e6d0] | 187 | def create_job(self, request): |
---|
| 188 | operation = request.attribute_groups[0] |
---|
| 189 | kwargs = {} |
---|
| 190 | |
---|
| 191 | # requesting username |
---|
| 192 | if 'requesting-user-name' in operation: |
---|
| 193 | username_attr = operation['requesting-user-name'] |
---|
| 194 | username = username_attr.values[0].value |
---|
| 195 | if username_attr != ipp.RequestingUserName(username): |
---|
| 196 | raise ipp.errors.ClientErrorBadRequest(str(username_attr)) |
---|
| 197 | kwargs['creator'] = username |
---|
| 198 | |
---|
| 199 | # job name |
---|
| 200 | if 'job-name' in operation: |
---|
| 201 | job_name_attr = operation['job-name'] |
---|
| 202 | job_name = job_name_attr.values[0].value |
---|
| 203 | if job_name_attr != ipp.JobName(job_name): |
---|
| 204 | raise ipp.errors.ClientErrorBadRequest(str(job_name_attr)) |
---|
| 205 | kwargs['name'] = job_name |
---|
| 206 | |
---|
| 207 | # job size |
---|
| 208 | if 'job-k-octets' in operation: |
---|
| 209 | job_k_octets_attr = operation['job-k-octets'] |
---|
| 210 | job_k_octets = job_k_octets_attr.values[0].value |
---|
| 211 | if job_k_octets_attr != ipp.JobKOctets(job_k_octets): |
---|
| 212 | raise ipp.errors.ClientErrorBadRequest(str(job_k_octets_attr)) |
---|
| 213 | kwargs['size'] = job_k_octets |
---|
| 214 | |
---|
| 215 | job_id = self._next_jobid |
---|
| 216 | self._next_jobid += 1 |
---|
| 217 | |
---|
| 218 | job = Job(job_id, self, **kwargs) |
---|
| 219 | self.jobs[job_id] = job |
---|
| 220 | self.active_jobs.append(job_id) |
---|
| 221 | return job |
---|
[776a659] | 222 | |
---|
[e58af05] | 223 | def send_document(self, jobid, document): |
---|
| 224 | job = self.jobs[jobid] |
---|
| 225 | if job.status != ipp.JobStates.HELD: |
---|
| 226 | raise InvalidPrinterStateException( |
---|
| 227 | "Invalid job state: %d" % job.status) |
---|
| 228 | job.document = document |
---|
| 229 | job.status = ipp.JobStates.PENDING |
---|
| 230 | |
---|
[776a659] | 231 | def print_job(self, job): |
---|
[ee8e6d0] | 232 | pass |
---|
[776a659] | 233 | |
---|
| 234 | def complete_job(self, jobid): |
---|
[5d24a81] | 235 | job = self.jobs[self.active_jobs.pop(0)] |
---|
[776a659] | 236 | self.finished_jobs.append(job) |
---|
| 237 | job.finish() |
---|
[e58af05] | 238 | return job.jid |
---|
[776a659] | 239 | |
---|
| 240 | def start_job(self, jobid): |
---|
[5d24a81] | 241 | job = self.jobs[self.active_jobs[0]] |
---|
[e58af05] | 242 | if job.status != ipp.JobStates.PENDING: |
---|
[776a659] | 243 | raise InvalidPrinterStateException( |
---|
[e58af05] | 244 | "Invalid job state: %s" % job.status) |
---|
[776a659] | 245 | job.play() |
---|
| 246 | |
---|
[e58af05] | 247 | @property |
---|
| 248 | def next_job(self): |
---|
| 249 | if len(self.active_jobs) == 0: |
---|
| 250 | job = None |
---|
| 251 | else: |
---|
| 252 | job = self.active_jobs[0] |
---|
| 253 | return job |
---|
| 254 | |
---|
[776a659] | 255 | def get_job(self, jobid): |
---|
| 256 | if jobid not in self.jobs: |
---|
| 257 | raise InvalidJobException(jobid) |
---|
| 258 | return self.jobs[jobid] |
---|
| 259 | |
---|
[b2e077a] | 260 | def get_jobs(self): |
---|
[ee8e6d0] | 261 | print self.active_jobs |
---|
[b2e077a] | 262 | jobs = [self.jobs[job_id] for job_id in self.active_jobs] |
---|
[ee8e6d0] | 263 | return jobs |
---|
[b2e077a] | 264 | |
---|
[ee8e6d0] | 265 | # def __repr__(self): |
---|
| 266 | # return str(self) |
---|
[776a659] | 267 | |
---|
[ee8e6d0] | 268 | # def __str__(self): |
---|
| 269 | # return "<Printer '%s'>" % self.name |
---|