[b2e077a] | 1 | #import alsaaudio as aa |
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[d04a689] | 2 | from .exceptions import InvalidJobException, InvalidPrinterStateException |
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| 3 | from gutenbach.ipp.attribute import Attribute |
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[b2e077a] | 4 | import gutenbach.ipp as ipp |
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| 5 | import gutenbach.ipp.constants as const |
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| 6 | import logging |
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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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[b2e077a] | 12 | class GutenbachPrinter(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 | "printer-uri-supported", |
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| 17 | "uri-authentication-supported", |
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| 18 | "uri-security-supported", |
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| 19 | "printer-name", |
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| 20 | "printer-state", |
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| 21 | "printer-state-reasons", |
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| 22 | "ipp-versions-supported", |
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| 23 | "operations-supported", |
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| 24 | "charset-configured", |
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| 25 | "charset-supported", |
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| 26 | "natural-language-configured", |
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| 27 | "generated-natural-language-supported", |
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| 28 | "document-format-default", |
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| 29 | "document-format-supported", |
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| 30 | "printer-is-accepting-jobs", |
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| 31 | "queued-job-count", |
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| 32 | "pdl-override-supported", |
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| 33 | "printer-up-time", |
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[1a63bf7] | 34 | "compression-supported" |
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| 35 | ] |
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[b2e077a] | 36 | |
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| 37 | #def __init__(self, name, card, mixer): |
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| 38 | def __init__(self, name): |
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| 39 | |
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[1a63bf7] | 40 | self.name = name |
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| 41 | self.uri = "ipp://localhost:8000/printers/" + self.name |
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| 42 | self.time_created = int(time.time()) |
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| 43 | self.state = "idle" |
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[b2e077a] | 44 | |
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| 45 | # if card >= len(aa.cards()): |
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| 46 | # raise aa.ALSAAudioError( |
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| 47 | # "Audio card at index %d does not exist!" % card) |
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| 48 | # elif mixer not in aa.mixers(card): |
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| 49 | # raise aa.ALSAAudioError( |
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| 50 | # "Audio mixer '%s' does not exist!" % mixer) |
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[776a659] | 51 | |
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[b2e077a] | 52 | # self.card = card |
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| 53 | # self.mixer = mixer |
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[776a659] | 54 | |
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| 55 | self.finished_jobs = [] |
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| 56 | self.active_jobs = [] |
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| 57 | self.jobs = {} |
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| 58 | |
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[5d24a81] | 59 | self._next_jobid = 0 |
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[776a659] | 60 | |
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[1a63bf7] | 61 | def __getattr__(self, attr): |
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| 62 | try: |
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| 63 | return super(Printer, self).__getattr__(attr) |
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| 64 | except AttributeError: |
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| 65 | pass |
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| 66 | |
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| 67 | return super(Printer, self).__getattr__( |
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| 68 | attr.replace("-", "_")) |
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| 69 | |
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| 70 | def __hasattr__(self, attr): |
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| 71 | has = super(Printer, self).__hasattr__(attr) |
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| 72 | if not has: |
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| 73 | has = super(Printer, self).__hasattr__( |
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| 74 | attr.replace("-", "_")) |
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| 75 | return has |
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| 76 | |
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[b2e077a] | 77 | ## Printer attributes |
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[1a63bf7] | 78 | |
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[b2e077a] | 79 | @property |
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| 80 | def printer_uri_supported(self): |
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[1a63bf7] | 81 | return self.uri |
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| 82 | |
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[b2e077a] | 83 | @property |
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| 84 | def uri_authentication_supported(self): |
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[1a63bf7] | 85 | return "none" |
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[b2e077a] | 86 | |
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| 87 | @property |
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| 88 | def uri_security_supported(self): |
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[1a63bf7] | 89 | return "none" |
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[b2e077a] | 90 | |
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| 91 | @property |
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| 92 | def printer_name(self): |
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[1a63bf7] | 93 | return self.name |
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| 94 | |
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[b2e077a] | 95 | @property |
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| 96 | def printer_state(self): |
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[1a63bf7] | 97 | return self.state |
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| 98 | |
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[b2e077a] | 99 | @property |
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| 100 | def printer_state_reasons(self): |
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[1a63bf7] | 101 | return "none" |
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[b2e077a] | 102 | |
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| 103 | @property |
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| 104 | def ipp_versions_supported(self): |
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[1a63bf7] | 105 | return ("1.0", "1.1") |
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[b2e077a] | 106 | # XXX: We should query ourself for the supported operations |
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[1a63bf7] | 107 | |
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[b2e077a] | 108 | @property |
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| 109 | def operations_supported(self): |
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[1a63bf7] | 110 | return "get-jobs" |
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[b2e077a] | 111 | |
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| 112 | @property |
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| 113 | def charset_configured(self): |
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[1a63bf7] | 114 | return "utf-8" |
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[b2e077a] | 115 | |
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| 116 | @property |
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| 117 | def charset_supported(self): |
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[1a63bf7] | 118 | return "utf-8" |
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[b2e077a] | 119 | |
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| 120 | @property |
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| 121 | def natural_language_configured(self): |
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[1a63bf7] | 122 | return "en-us" |
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[b2e077a] | 123 | |
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| 124 | @property |
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| 125 | def generated_natural_language_supported(self): |
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[1a63bf7] | 126 | return "en-us" |
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[b2e077a] | 127 | |
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| 128 | @property |
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| 129 | def document_format_default(self): |
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[1a63bf7] | 130 | return "application/octet-stream" |
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[b2e077a] | 131 | |
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| 132 | @property |
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| 133 | def document_format_supported(self): |
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[1a63bf7] | 134 | return ("application/octet-stream", "audio/mp3") |
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[b2e077a] | 135 | |
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| 136 | @property |
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| 137 | def printer_is_accepting_jobs(self): |
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[1a63bf7] | 138 | return True |
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[b2e077a] | 139 | |
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| 140 | @property |
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| 141 | def queued_job_count(self): |
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[1a63bf7] | 142 | return len(self.active_jobs) |
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[b2e077a] | 143 | |
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| 144 | @property |
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| 145 | def pdl_override_supported(self): |
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[1a63bf7] | 146 | return "not-attempted" |
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[b2e077a] | 147 | |
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| 148 | @property |
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| 149 | def printer_up_time(self): |
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[1a63bf7] | 150 | return int(time.time()) - self.time_created |
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[b2e077a] | 151 | |
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| 152 | @property |
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| 153 | def compression_supported(self): |
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[1a63bf7] | 154 | return "none" |
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[b2e077a] | 155 | |
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| 156 | def get_printer_attributes(self, request): |
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[1a63bf7] | 157 | attributes = [(attr, getattr(self, attr)) for attr in self.attributes] |
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[5fe360e] | 158 | attributes = map(lambda x: x if isinstance(x, (tuple, list)) else [x], attributes) |
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[b2e077a] | 159 | return attributes |
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| 160 | |
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| 161 | ## Printer operations |
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[776a659] | 162 | @property |
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| 163 | def next_jobid(self): |
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| 164 | self._next_jobid += 1 |
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| 165 | return self._next_jobid |
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| 166 | |
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| 167 | def print_job(self, job): |
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| 168 | jobid = self.next_jobid |
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| 169 | self.active_jobs.append(jobid) |
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| 170 | self.jobs[jobid] = job |
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[5d24a81] | 171 | job.enqueue(self, jobid) |
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[776a659] | 172 | return jobid |
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| 173 | |
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| 174 | def complete_job(self, jobid): |
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[5d24a81] | 175 | job = self.jobs[self.active_jobs.pop(0)] |
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[776a659] | 176 | if job.jobid != jobid: |
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| 177 | raise InvalidJobException( |
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| 178 | "Completed job %d has unexpected job id %d!" % \ |
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| 179 | (job.jobid, jobid)) |
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| 180 | |
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| 181 | self.finished_jobs.append(job) |
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| 182 | job.finish() |
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| 183 | return job.jobid |
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| 184 | |
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| 185 | def start_job(self, jobid): |
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[5d24a81] | 186 | job = self.jobs[self.active_jobs[0]] |
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[776a659] | 187 | if job.jobid != jobid: |
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| 188 | raise InvalidJobException( |
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| 189 | "Completed job %d has unexpected job id %d!" % \ |
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| 190 | (job.jobid, jobid)) |
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| 191 | |
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| 192 | if job.status == 'playing': |
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| 193 | raise InvalidPrinterStateException( |
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| 194 | "Next job in queue (id %d) is " + \ |
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| 195 | "already playing!" % jobid) |
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| 196 | |
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| 197 | job.play() |
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| 198 | |
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| 199 | def get_job(self, jobid): |
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| 200 | if jobid not in self.jobs: |
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| 201 | raise InvalidJobException(jobid) |
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| 202 | return self.jobs[jobid] |
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| 203 | |
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[b2e077a] | 204 | def get_jobs(self): |
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| 205 | jobs = [self.jobs[job_id] for job_id in self.active_jobs] |
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| 206 | return jobs |
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| 207 | |
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[776a659] | 208 | def __repr__(self): |
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| 209 | return str(self) |
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| 210 | |
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| 211 | def __str__(self): |
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[1a63bf7] | 212 | return "<Printer '%s'>" % self.name |
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