[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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| 14 | attributes = [ |
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| 15 | "printer-uri-supported", |
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| 16 | "uri-authentication-supported", |
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| 17 | "uri-security-supported", |
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| 18 | "printer-name", |
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| 19 | "printer-state", |
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| 20 | "printer-state-reasons", |
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| 21 | "ipp-versions-supported", |
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| 22 | "operations-supported", |
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| 23 | "charset-configured", |
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| 24 | "charset-supported", |
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| 25 | "natural-language-configured", |
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| 26 | "generated-natural-language-supported", |
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| 27 | "document-format-default", |
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| 28 | "document-format-supported", |
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| 29 | "printer-is-accepting-jobs", |
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| 30 | "queued-job-count", |
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| 31 | "pdl-override-supported", |
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| 32 | "printer-up-time", |
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| 33 | "compression-supported"] |
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| 34 | |
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| 35 | #def __init__(self, name, card, mixer): |
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| 36 | def __init__(self, name): |
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| 37 | |
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| 38 | self._name = name |
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| 39 | self._uri = "ipp://localhost:8000/printers/" + self._name |
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| 40 | self._time_created = int(time.time()) |
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| 41 | |
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| 42 | # if card >= len(aa.cards()): |
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| 43 | # raise aa.ALSAAudioError( |
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| 44 | # "Audio card at index %d does not exist!" % card) |
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| 45 | # elif mixer not in aa.mixers(card): |
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| 46 | # raise aa.ALSAAudioError( |
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| 47 | # "Audio mixer '%s' does not exist!" % mixer) |
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[776a659] | 48 | |
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[b2e077a] | 49 | # self.card = card |
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| 50 | # self.mixer = mixer |
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[776a659] | 51 | |
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| 52 | self.finished_jobs = [] |
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| 53 | self.active_jobs = [] |
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| 54 | self.jobs = {} |
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| 55 | |
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[5d24a81] | 56 | self._next_jobid = 0 |
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[776a659] | 57 | |
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[b2e077a] | 58 | ## Printer attributes |
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| 59 | @property |
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| 60 | def printer_uri_supported(self): |
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| 61 | return ipp.Attribute( |
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| 62 | "printer-uri-supported", |
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| 63 | [ipp.Value(ipp.Tags.URI, self._uri)]) |
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| 64 | |
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| 65 | @property |
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| 66 | def uri_authentication_supported(self): |
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| 67 | return ipp.Attribute( |
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| 68 | "uri-authentication-supported", |
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| 69 | [ipp.Value(ipp.Tags.KEYWORD, "none")]) |
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| 70 | |
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| 71 | @property |
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| 72 | def uri_security_supported(self): |
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| 73 | return ipp.Attribute( |
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| 74 | "uri-security-supported", |
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| 75 | [ipp.Value(ipp.Tags.KEYWORD, "none")]) |
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| 76 | |
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| 77 | @property |
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| 78 | def printer_name(self): |
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| 79 | return ipp.Attribute( |
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| 80 | "printer-name", |
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| 81 | [ipp.Value(ipp.Tags.NAME_WITHOUT_LANGUAGE, self._name)]) |
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| 82 | |
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| 83 | @property |
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| 84 | def printer_state(self): |
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| 85 | return ipp.Attribute( |
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| 86 | "printer-state", |
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| 87 | [ipp.Value(ipp.Tags.ENUM, const.PrinterStates.IDLE)]) |
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| 88 | |
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| 89 | @property |
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| 90 | def printer_state_reasons(self): |
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| 91 | return ipp.Attribute( |
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| 92 | "printer-state-reasons", |
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| 93 | [ipp.Value(ipp.Tags.KEYWORD, "none")]) |
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| 94 | |
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| 95 | @property |
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| 96 | def ipp_versions_supported(self): |
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| 97 | return ipp.Attribute( |
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| 98 | "ipp-versions-supported", |
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| 99 | [ipp.Value(ipp.Tags.KEYWORD, "1.0"), |
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| 100 | ipp.Value(ipp.Tags.KEYWORD, "1.1")]) |
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| 101 | |
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| 102 | # XXX: We should query ourself for the supported operations |
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| 103 | @property |
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| 104 | def operations_supported(self): |
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| 105 | return ipp.Attribute( |
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| 106 | "operations-supported", |
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| 107 | [ipp.Value(ipp.Tags.ENUM, const.Operations.GET_JOBS)]) |
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| 108 | |
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| 109 | @property |
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| 110 | def charset_configured(self): |
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| 111 | return ipp.Attribute( |
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| 112 | "charset-configured", |
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| 113 | [ipp.Value(ipp.Tags.CHARSET, "utf-8")]) |
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| 114 | |
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| 115 | @property |
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| 116 | def charset_supported(self): |
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| 117 | return ipp.Attribute( |
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| 118 | "charset-supported", |
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| 119 | [ipp.Value(ipp.Tags.CHARSET, "utf-8")]) |
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| 120 | |
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| 121 | @property |
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| 122 | def natural_language_configured(self): |
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| 123 | return ipp.Attribute( |
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| 124 | "natural-language-configured", |
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| 125 | [ipp.Value(ipp.Tags.NATURAL_LANGUAGE, "en-us")]) |
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| 126 | |
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| 127 | @property |
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| 128 | def generated_natural_language_supported(self): |
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| 129 | return ipp.Attribute( |
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| 130 | "generated-natural-language-supported", |
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| 131 | [ipp.Value(ipp.Tags.NATURAL_LANGUAGE, "en-us")]) |
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| 132 | |
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| 133 | @property |
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| 134 | def document_format_default(self): |
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| 135 | return ipp.Attribute( |
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| 136 | "document-format-default", |
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| 137 | [ipp.Value(ipp.Tags.MIME_MEDIA_TYPE, "application/octet-stream")]) |
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| 138 | |
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| 139 | @property |
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| 140 | def document_format_supported(self): |
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| 141 | return ipp.Attribute( |
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| 142 | "document-format-supported", |
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| 143 | [ipp.Value(ipp.Tags.MIME_MEDIA_TYPE, "application/octet-stream"), |
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| 144 | ipp.Value(ipp.Tags.MIME_MEDIA_TYPE, "audio/mp3")]) |
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| 145 | |
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| 146 | @property |
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| 147 | def printer_is_accepting_jobs(self): |
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| 148 | return ipp.Attribute( |
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| 149 | "printer-is-accepting-jobs", |
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| 150 | [ipp.Value(ipp.Tags.BOOLEAN, True)]) |
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| 151 | |
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| 152 | @property |
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| 153 | def queued_job_count(self): |
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| 154 | return ipp.Attribute( |
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| 155 | "queued-job-count", |
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| 156 | [ipp.Value(ipp.Tags.INTEGER, len(self.active_jobs))]) |
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| 157 | |
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| 158 | @property |
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| 159 | def pdl_override_supported(self): |
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| 160 | return ipp.Attribute( |
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| 161 | "pdl-override-supported", |
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| 162 | [ipp.Value(ipp.Tags.KEYWORD, "not-attempted")]) |
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| 163 | |
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| 164 | @property |
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| 165 | def printer_up_time(self): |
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| 166 | return ipp.Attribute( |
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| 167 | "printer-up-time", |
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| 168 | [ipp.Value(ipp.Tags.INTEGER, int(time.time()) - self._time_created)]) |
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| 169 | |
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| 170 | @property |
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| 171 | def compression_supported(self): |
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| 172 | return ipp.Attribute( |
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| 173 | "compression-supported", |
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| 174 | [ipp.Value(ipp.Tags.KEYWORD, "none")]) |
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| 175 | |
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| 176 | def get_printer_attributes(self, request): |
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| 177 | attributes = [getattr(self, attr.replace("-", "_")) for attr in self.attributes] |
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| 178 | return attributes |
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| 179 | |
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| 180 | ## Printer operations |
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[776a659] | 181 | @property |
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| 182 | def next_jobid(self): |
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| 183 | self._next_jobid += 1 |
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| 184 | return self._next_jobid |
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| 185 | |
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| 186 | def print_job(self, job): |
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| 187 | jobid = self.next_jobid |
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| 188 | self.active_jobs.append(jobid) |
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| 189 | self.jobs[jobid] = job |
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[5d24a81] | 190 | job.enqueue(self, jobid) |
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[776a659] | 191 | return jobid |
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| 192 | |
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| 193 | def complete_job(self, jobid): |
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[5d24a81] | 194 | job = self.jobs[self.active_jobs.pop(0)] |
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[776a659] | 195 | if job.jobid != jobid: |
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| 196 | raise InvalidJobException( |
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| 197 | "Completed job %d has unexpected job id %d!" % \ |
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| 198 | (job.jobid, jobid)) |
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| 199 | |
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| 200 | self.finished_jobs.append(job) |
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| 201 | job.finish() |
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| 202 | return job.jobid |
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| 203 | |
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| 204 | def start_job(self, jobid): |
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[5d24a81] | 205 | job = self.jobs[self.active_jobs[0]] |
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[776a659] | 206 | if job.jobid != jobid: |
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| 207 | raise InvalidJobException( |
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| 208 | "Completed job %d has unexpected job id %d!" % \ |
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| 209 | (job.jobid, jobid)) |
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| 210 | |
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| 211 | if job.status == 'playing': |
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| 212 | raise InvalidPrinterStateException( |
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| 213 | "Next job in queue (id %d) is " + \ |
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| 214 | "already playing!" % jobid) |
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| 215 | |
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| 216 | job.play() |
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| 217 | |
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| 218 | def get_job(self, jobid): |
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| 219 | if jobid not in self.jobs: |
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| 220 | raise InvalidJobException(jobid) |
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| 221 | return self.jobs[jobid] |
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| 222 | |
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[b2e077a] | 223 | def get_jobs(self): |
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| 224 | jobs = [self.jobs[job_id] for job_id in self.active_jobs] |
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| 225 | return jobs |
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| 226 | |
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[776a659] | 227 | def __repr__(self): |
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| 228 | return str(self) |
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| 229 | |
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| 230 | def __str__(self): |
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[b2e077a] | 231 | return "<Printer '%s'>" % self._name |
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