1
2
3 __version__ = '$Revision: 4791 $'.split()[1]
4 __date__ = '$Date: 2007-03-30 $'.split()[1]
5 __author__ = 'xmlbinmsg'
6
7 __doc__='''
8
9 Autogenerated python functions to serialize/deserialize binary messages.
10
11 Generated by: ../aisxmlbinmsg2py.py
12
13 Need to then wrap these functions with the outer AIS packet and then
14 convert the whole binary blob to a NMEA string. Those functions are
15 not currently provided in this file.
16
17 serialize: python to ais binary
18 deserialize: ais binary to python
19
20 The generated code uses translators.py, binary.py, and aisstring.py
21 which should be packaged with the resulting files.
22
23
24 @requires: U{epydoc<http://epydoc.sourceforge.net/>} > 3.0alpha3
25 @requires: U{BitVector<http://cheeseshop.python.org/pypi/BitVector>}
26
27 @author: '''+__author__+'''
28 @version: ''' + __version__ +'''
29 @var __date__: Date of last svn commit
30 @undocumented: __version__ __author__ __doc__ parser
31 @status: under development
32 @license: Generated code has no license
33 @todo: FIX: put in a description of the message here with fields and types.
34 '''
35
36 import sys
37 from decimal import Decimal
38 from BitVector import BitVector
39
40 import binary, aisstring
41
42
43 TrueBV = BitVector(bitstring="1")
44 "Why always rebuild the True bit? This should speed things up a bunch"
45 FalseBV = BitVector(bitstring="0")
46 "Why always rebuild the False bit? This should speed things up a bunch"
47
48
49 fieldList = (
50 'MessageID',
51 'RepeatIndicator',
52 'UserID',
53 'Spare',
54 'dac',
55 'fid',
56 'country',
57 'id1_id',
58 'id1_sign',
59 'id1_waterlevel',
60 'id1_i_have_no_idea',
61 'id2_id',
62 'id2_sign',
63 'id2_waterlevel',
64 'id2_i_have_no_idea',
65 'id3_id',
66 'id3_sign',
67 'id3_waterlevel',
68 'id3_i_have_no_idea',
69 'id4_id',
70 'id4_sign',
71 'id4_waterlevel',
72 'id4_i_have_no_idea',
73 )
74
75 fieldListPostgres = (
76 'MessageID',
77 'RepeatIndicator',
78 'UserID',
79 'Spare',
80 'dac',
81 'fid',
82 'country',
83 'id1_id',
84 'id1_sign',
85 'id1_waterlevel',
86 'id1_i_have_no_idea',
87 'id2_id',
88 'id2_sign',
89 'id2_waterlevel',
90 'id2_i_have_no_idea',
91 'id3_id',
92 'id3_sign',
93 'id3_waterlevel',
94 'id3_i_have_no_idea',
95 'id4_id',
96 'id4_sign',
97 'id4_waterlevel',
98 'id4_i_have_no_idea',
99 )
100
101 toPgFields = {
102 }
103 '''
104 Go to the Postgis field names from the straight field name
105 '''
106
107 fromPgFields = {
108 }
109 '''
110 Go from the Postgis field names to the straight field name
111 '''
112
113 pgTypes = {
114 }
115 '''
116 Lookup table for each postgis field name to get its type.
117 '''
118
119 -def encode(params, validate=False):
120 '''Create a ris_waterlevel binary message payload to pack into an AIS Msg ris_waterlevel.
121
122 Fields in params:
123 - MessageID(uint): AIS message number. Must be 8 (field automatically set to "8")
124 - RepeatIndicator(uint): Indicated how many times a message has been repeated
125 - UserID(uint): Unique ship identification number (MMSI)
126 - Spare(uint): Reserved for definition by a regional authority. (field automatically set to "0")
127 - dac(uint): Designated Area Code (field automatically set to "000")
128 - fid(uint): Functional Identifier (field automatically set to "1")
129 - country(aisstr6): UN country code using 2*6-Bit ASCII characters according to ERI specification
130 - id1_id(uint): One tide gauge measurement. Station ID defined by ERI for each country
131 - id1_sign(uint): One tide gauge measurement. sign of the number in the waterlevel
132 - id1_waterlevel(decimal): One tide gauge measurement. Water level at the sensor
133 - id1_i_have_no_idea(uint): One tide gauge measurement. What are these bits for? They do not seem to be specified (field automatically set to "0")
134 - id2_id(uint): One tide gauge measurement. Station ID defined by ERI for each country
135 - id2_sign(uint): One tide gauge measurement. sign of the number in the waterlevel
136 - id2_waterlevel(decimal): One tide gauge measurement. Water level at the sensor
137 - id2_i_have_no_idea(uint): One tide gauge measurement. What are these bits for? They do not seem to be specified (field automatically set to "0")
138 - id3_id(uint): One tide gauge measurement. Station ID defined by ERI for each country
139 - id3_sign(uint): One tide gauge measurement. sign of the number in the waterlevel
140 - id3_waterlevel(decimal): One tide gauge measurement. Water level at the sensor
141 - id3_i_have_no_idea(uint): One tide gauge measurement. What are these bits for? They do not seem to be specified (field automatically set to "0")
142 - id4_id(uint): One tide gauge measurement. Station ID defined by ERI for each country
143 - id4_sign(uint): One tide gauge measurement. sign of the number in the waterlevel
144 - id4_waterlevel(decimal): One tide gauge measurement. Water level at the sensor
145 - id4_i_have_no_idea(uint): One tide gauge measurement. What are these bits for? They do not seem to be specified (field automatically set to "0")
146 @param params: Dictionary of field names/values. Throws a ValueError exception if required is missing
147 @param validate: Set to true to cause checking to occur. Runs slower. FIX: not implemented.
148 @rtype: BitVector
149 @return: encoded binary message (for binary messages, this needs to be wrapped in a msg 8
150 @note: The returned bits may not be 6 bit aligned. It is up to you to pad out the bits.
151 '''
152
153 bvList = []
154 bvList.append(binary.setBitVectorSize(BitVector(intVal=8),6))
155 if 'RepeatIndicator' in params:
156 bvList.append(binary.setBitVectorSize(BitVector(intVal=params['RepeatIndicator']),2))
157 else:
158 bvList.append(binary.setBitVectorSize(BitVector(intVal=0),2))
159 bvList.append(binary.setBitVectorSize(BitVector(intVal=params['UserID']),30))
160 bvList.append(binary.setBitVectorSize(BitVector(intVal=0),2))
161 bvList.append(binary.setBitVectorSize(BitVector(intVal=0),10))
162 bvList.append(binary.setBitVectorSize(BitVector(intVal=1),6))
163 bvList.append(aisstring.encode(params['country'],12))
164 bvList.append(binary.setBitVectorSize(BitVector(intVal=params['id1_id']),11))
165 bvList.append(binary.setBitVectorSize(BitVector(intVal=params['id1_sign']),1))
166 bvList.append(binary.bvFromSignedInt(int(Decimal(params['id1_waterlevel'])*Decimal('100')),11))
167 bvList.append(binary.setBitVectorSize(BitVector(intVal=0),2))
168 bvList.append(binary.setBitVectorSize(BitVector(intVal=params['id2_id']),11))
169 bvList.append(binary.setBitVectorSize(BitVector(intVal=params['id2_sign']),1))
170 bvList.append(binary.bvFromSignedInt(int(Decimal(params['id2_waterlevel'])*Decimal('100')),11))
171 bvList.append(binary.setBitVectorSize(BitVector(intVal=0),2))
172 bvList.append(binary.setBitVectorSize(BitVector(intVal=params['id3_id']),11))
173 bvList.append(binary.setBitVectorSize(BitVector(intVal=params['id3_sign']),1))
174 bvList.append(binary.bvFromSignedInt(int(Decimal(params['id3_waterlevel'])*Decimal('100')),11))
175 bvList.append(binary.setBitVectorSize(BitVector(intVal=0),2))
176 bvList.append(binary.setBitVectorSize(BitVector(intVal=params['id4_id']),11))
177 bvList.append(binary.setBitVectorSize(BitVector(intVal=params['id4_sign']),1))
178 bvList.append(binary.bvFromSignedInt(int(Decimal(params['id4_waterlevel'])*Decimal('100')),11))
179 bvList.append(binary.setBitVectorSize(BitVector(intVal=0),2))
180
181 return binary.joinBV(bvList)
182
183 -def decode(bv, validate=False):
184 '''Unpack a ris_waterlevel message
185
186 Fields in params:
187 - MessageID(uint): AIS message number. Must be 8 (field automatically set to "8")
188 - RepeatIndicator(uint): Indicated how many times a message has been repeated
189 - UserID(uint): Unique ship identification number (MMSI)
190 - Spare(uint): Reserved for definition by a regional authority. (field automatically set to "0")
191 - dac(uint): Designated Area Code (field automatically set to "000")
192 - fid(uint): Functional Identifier (field automatically set to "1")
193 - country(aisstr6): UN country code using 2*6-Bit ASCII characters according to ERI specification
194 - id1_id(uint): One tide gauge measurement. Station ID defined by ERI for each country
195 - id1_sign(uint): One tide gauge measurement. sign of the number in the waterlevel
196 - id1_waterlevel(decimal): One tide gauge measurement. Water level at the sensor
197 - id1_i_have_no_idea(uint): One tide gauge measurement. What are these bits for? They do not seem to be specified (field automatically set to "0")
198 - id2_id(uint): One tide gauge measurement. Station ID defined by ERI for each country
199 - id2_sign(uint): One tide gauge measurement. sign of the number in the waterlevel
200 - id2_waterlevel(decimal): One tide gauge measurement. Water level at the sensor
201 - id2_i_have_no_idea(uint): One tide gauge measurement. What are these bits for? They do not seem to be specified (field automatically set to "0")
202 - id3_id(uint): One tide gauge measurement. Station ID defined by ERI for each country
203 - id3_sign(uint): One tide gauge measurement. sign of the number in the waterlevel
204 - id3_waterlevel(decimal): One tide gauge measurement. Water level at the sensor
205 - id3_i_have_no_idea(uint): One tide gauge measurement. What are these bits for? They do not seem to be specified (field automatically set to "0")
206 - id4_id(uint): One tide gauge measurement. Station ID defined by ERI for each country
207 - id4_sign(uint): One tide gauge measurement. sign of the number in the waterlevel
208 - id4_waterlevel(decimal): One tide gauge measurement. Water level at the sensor
209 - id4_i_have_no_idea(uint): One tide gauge measurement. What are these bits for? They do not seem to be specified (field automatically set to "0")
210 @type bv: BitVector
211 @param bv: Bits defining a message
212 @param validate: Set to true to cause checking to occur. Runs slower. FIX: not implemented.
213 @rtype: dict
214 @return: params
215 '''
216
217
218
219
220 r = {}
221 r['MessageID']=8
222 r['RepeatIndicator']=int(bv[6:8])
223 r['UserID']=int(bv[8:38])
224 r['Spare']=0
225 r['dac']=000
226 r['fid']=1
227 r['country']=aisstring.decode(bv[56:68])
228 r['id1_id']=int(bv[68:79])
229 r['id1_sign']=int(bv[79:80])
230 r['id1_waterlevel']=Decimal(binary.signedIntFromBV(bv[80:91]))/Decimal('100')
231 r['id1_i_have_no_idea']=0
232 r['id2_id']=int(bv[93:104])
233 r['id2_sign']=int(bv[104:105])
234 r['id2_waterlevel']=Decimal(binary.signedIntFromBV(bv[105:116]))/Decimal('100')
235 r['id2_i_have_no_idea']=0
236 r['id3_id']=int(bv[118:129])
237 r['id3_sign']=int(bv[129:130])
238 r['id3_waterlevel']=Decimal(binary.signedIntFromBV(bv[130:141]))/Decimal('100')
239 r['id3_i_have_no_idea']=0
240 r['id4_id']=int(bv[143:154])
241 r['id4_sign']=int(bv[154:155])
242 r['id4_waterlevel']=Decimal(binary.signedIntFromBV(bv[155:166]))/Decimal('100')
243 r['id4_i_have_no_idea']=0
244 return r
245
248
251
254
257
260
263
266
268 return int(bv[68:79])
269
271 return int(bv[79:80])
272
275
278
280 return int(bv[93:104])
281
283 return int(bv[104:105])
284
287
290
292 return int(bv[118:129])
293
295 return int(bv[129:130])
296
299
302
304 return int(bv[143:154])
305
307 return int(bv[154:155])
308
311
314
315
317 out.write("<h3>ris_waterlevel<h3>\n")
318 out.write("<table border=\"1\">\n")
319 out.write("<tr bgcolor=\"orange\">\n")
320 out.write("<th align=\"left\">Field Name</th>\n")
321 out.write("<th align=\"left\">Type</th>\n")
322 out.write("<th align=\"left\">Value</th>\n")
323 out.write("<th align=\"left\">Value in Lookup Table</th>\n")
324 out.write("<th align=\"left\">Units</th>\n")
325 out.write("\n")
326 out.write("<tr>\n")
327 out.write("<td>MessageID</td>\n")
328 out.write("<td>uint</td>\n")
329 if 'MessageID' in params:
330 out.write(" <td>"+str(params['MessageID'])+"</td>\n")
331 out.write(" <td>"+str(params['MessageID'])+"</td>\n")
332 out.write("</tr>\n")
333 out.write("\n")
334 out.write("<tr>\n")
335 out.write("<td>RepeatIndicator</td>\n")
336 out.write("<td>uint</td>\n")
337 if 'RepeatIndicator' in params:
338 out.write(" <td>"+str(params['RepeatIndicator'])+"</td>\n")
339 if str(params['RepeatIndicator']) in RepeatIndicatorDecodeLut:
340 out.write("<td>"+RepeatIndicatorDecodeLut[str(params['RepeatIndicator'])]+"</td>")
341 else:
342 out.write("<td><i>Missing LUT entry</i></td>")
343 out.write("</tr>\n")
344 out.write("\n")
345 out.write("<tr>\n")
346 out.write("<td>UserID</td>\n")
347 out.write("<td>uint</td>\n")
348 if 'UserID' in params:
349 out.write(" <td>"+str(params['UserID'])+"</td>\n")
350 out.write(" <td>"+str(params['UserID'])+"</td>\n")
351 out.write("</tr>\n")
352 out.write("\n")
353 out.write("<tr>\n")
354 out.write("<td>Spare</td>\n")
355 out.write("<td>uint</td>\n")
356 if 'Spare' in params:
357 out.write(" <td>"+str(params['Spare'])+"</td>\n")
358 out.write(" <td>"+str(params['Spare'])+"</td>\n")
359 out.write("</tr>\n")
360 out.write("\n")
361 out.write("<tr>\n")
362 out.write("<td>dac</td>\n")
363 out.write("<td>uint</td>\n")
364 if 'dac' in params:
365 out.write(" <td>"+str(params['dac'])+"</td>\n")
366 out.write(" <td>"+str(params['dac'])+"</td>\n")
367 out.write("</tr>\n")
368 out.write("\n")
369 out.write("<tr>\n")
370 out.write("<td>fid</td>\n")
371 out.write("<td>uint</td>\n")
372 if 'fid' in params:
373 out.write(" <td>"+str(params['fid'])+"</td>\n")
374 out.write(" <td>"+str(params['fid'])+"</td>\n")
375 out.write("</tr>\n")
376 out.write("\n")
377 out.write("<tr>\n")
378 out.write("<td>country</td>\n")
379 out.write("<td>aisstr6</td>\n")
380 if 'country' in params:
381 out.write(" <td>"+str(params['country'])+"</td>\n")
382 out.write(" <td>"+str(params['country'])+"</td>\n")
383 out.write("</tr>\n")
384 out.write("\n")
385 out.write("<tr>\n")
386 out.write("<td>id1_id</td>\n")
387 out.write("<td>uint</td>\n")
388 if 'id1_id' in params:
389 out.write(" <td>"+str(params['id1_id'])+"</td>\n")
390 out.write(" <td>"+str(params['id1_id'])+"</td>\n")
391 out.write("</tr>\n")
392 out.write("\n")
393 out.write("<tr>\n")
394 out.write("<td>id1_sign</td>\n")
395 out.write("<td>uint</td>\n")
396 if 'id1_sign' in params:
397 out.write(" <td>"+str(params['id1_sign'])+"</td>\n")
398 if str(params['id1_sign']) in id1_signDecodeLut:
399 out.write("<td>"+id1_signDecodeLut[str(params['id1_sign'])]+"</td>")
400 else:
401 out.write("<td><i>Missing LUT entry</i></td>")
402 out.write("</tr>\n")
403 out.write("\n")
404 out.write("<tr>\n")
405 out.write("<td>id1_waterlevel</td>\n")
406 out.write("<td>decimal</td>\n")
407 if 'id1_waterlevel' in params:
408 out.write(" <td>"+str(params['id1_waterlevel'])+"</td>\n")
409 out.write(" <td>"+str(params['id1_waterlevel'])+"</td>\n")
410 out.write("<td>m</td>\n")
411 out.write("</tr>\n")
412 out.write("\n")
413 out.write("<tr>\n")
414 out.write("<td>id1_i_have_no_idea</td>\n")
415 out.write("<td>uint</td>\n")
416 if 'id1_i_have_no_idea' in params:
417 out.write(" <td>"+str(params['id1_i_have_no_idea'])+"</td>\n")
418 out.write(" <td>"+str(params['id1_i_have_no_idea'])+"</td>\n")
419 out.write("</tr>\n")
420 out.write("\n")
421 out.write("<tr>\n")
422 out.write("<td>id2_id</td>\n")
423 out.write("<td>uint</td>\n")
424 if 'id2_id' in params:
425 out.write(" <td>"+str(params['id2_id'])+"</td>\n")
426 out.write(" <td>"+str(params['id2_id'])+"</td>\n")
427 out.write("</tr>\n")
428 out.write("\n")
429 out.write("<tr>\n")
430 out.write("<td>id2_sign</td>\n")
431 out.write("<td>uint</td>\n")
432 if 'id2_sign' in params:
433 out.write(" <td>"+str(params['id2_sign'])+"</td>\n")
434 if str(params['id2_sign']) in id2_signDecodeLut:
435 out.write("<td>"+id2_signDecodeLut[str(params['id2_sign'])]+"</td>")
436 else:
437 out.write("<td><i>Missing LUT entry</i></td>")
438 out.write("</tr>\n")
439 out.write("\n")
440 out.write("<tr>\n")
441 out.write("<td>id2_waterlevel</td>\n")
442 out.write("<td>decimal</td>\n")
443 if 'id2_waterlevel' in params:
444 out.write(" <td>"+str(params['id2_waterlevel'])+"</td>\n")
445 out.write(" <td>"+str(params['id2_waterlevel'])+"</td>\n")
446 out.write("<td>m</td>\n")
447 out.write("</tr>\n")
448 out.write("\n")
449 out.write("<tr>\n")
450 out.write("<td>id2_i_have_no_idea</td>\n")
451 out.write("<td>uint</td>\n")
452 if 'id2_i_have_no_idea' in params:
453 out.write(" <td>"+str(params['id2_i_have_no_idea'])+"</td>\n")
454 out.write(" <td>"+str(params['id2_i_have_no_idea'])+"</td>\n")
455 out.write("</tr>\n")
456 out.write("\n")
457 out.write("<tr>\n")
458 out.write("<td>id3_id</td>\n")
459 out.write("<td>uint</td>\n")
460 if 'id3_id' in params:
461 out.write(" <td>"+str(params['id3_id'])+"</td>\n")
462 out.write(" <td>"+str(params['id3_id'])+"</td>\n")
463 out.write("</tr>\n")
464 out.write("\n")
465 out.write("<tr>\n")
466 out.write("<td>id3_sign</td>\n")
467 out.write("<td>uint</td>\n")
468 if 'id3_sign' in params:
469 out.write(" <td>"+str(params['id3_sign'])+"</td>\n")
470 if str(params['id3_sign']) in id3_signDecodeLut:
471 out.write("<td>"+id3_signDecodeLut[str(params['id3_sign'])]+"</td>")
472 else:
473 out.write("<td><i>Missing LUT entry</i></td>")
474 out.write("</tr>\n")
475 out.write("\n")
476 out.write("<tr>\n")
477 out.write("<td>id3_waterlevel</td>\n")
478 out.write("<td>decimal</td>\n")
479 if 'id3_waterlevel' in params:
480 out.write(" <td>"+str(params['id3_waterlevel'])+"</td>\n")
481 out.write(" <td>"+str(params['id3_waterlevel'])+"</td>\n")
482 out.write("<td>m</td>\n")
483 out.write("</tr>\n")
484 out.write("\n")
485 out.write("<tr>\n")
486 out.write("<td>id3_i_have_no_idea</td>\n")
487 out.write("<td>uint</td>\n")
488 if 'id3_i_have_no_idea' in params:
489 out.write(" <td>"+str(params['id3_i_have_no_idea'])+"</td>\n")
490 out.write(" <td>"+str(params['id3_i_have_no_idea'])+"</td>\n")
491 out.write("</tr>\n")
492 out.write("\n")
493 out.write("<tr>\n")
494 out.write("<td>id4_id</td>\n")
495 out.write("<td>uint</td>\n")
496 if 'id4_id' in params:
497 out.write(" <td>"+str(params['id4_id'])+"</td>\n")
498 out.write(" <td>"+str(params['id4_id'])+"</td>\n")
499 out.write("</tr>\n")
500 out.write("\n")
501 out.write("<tr>\n")
502 out.write("<td>id4_sign</td>\n")
503 out.write("<td>uint</td>\n")
504 if 'id4_sign' in params:
505 out.write(" <td>"+str(params['id4_sign'])+"</td>\n")
506 if str(params['id4_sign']) in id4_signDecodeLut:
507 out.write("<td>"+id4_signDecodeLut[str(params['id4_sign'])]+"</td>")
508 else:
509 out.write("<td><i>Missing LUT entry</i></td>")
510 out.write("</tr>\n")
511 out.write("\n")
512 out.write("<tr>\n")
513 out.write("<td>id4_waterlevel</td>\n")
514 out.write("<td>decimal</td>\n")
515 if 'id4_waterlevel' in params:
516 out.write(" <td>"+str(params['id4_waterlevel'])+"</td>\n")
517 out.write(" <td>"+str(params['id4_waterlevel'])+"</td>\n")
518 out.write("<td>m</td>\n")
519 out.write("</tr>\n")
520 out.write("\n")
521 out.write("<tr>\n")
522 out.write("<td>id4_i_have_no_idea</td>\n")
523 out.write("<td>uint</td>\n")
524 if 'id4_i_have_no_idea' in params:
525 out.write(" <td>"+str(params['id4_i_have_no_idea'])+"</td>\n")
526 out.write(" <td>"+str(params['id4_i_have_no_idea'])+"</td>\n")
527 out.write("</tr>\n")
528 out.write("</table>\n")
529
530 -def printFields(params, out=sys.stdout, format='std', fieldList=None, dbType='postgres'):
531 '''Print a ris_waterlevel message to stdout.
532
533 Fields in params:
534 - MessageID(uint): AIS message number. Must be 8 (field automatically set to "8")
535 - RepeatIndicator(uint): Indicated how many times a message has been repeated
536 - UserID(uint): Unique ship identification number (MMSI)
537 - Spare(uint): Reserved for definition by a regional authority. (field automatically set to "0")
538 - dac(uint): Designated Area Code (field automatically set to "000")
539 - fid(uint): Functional Identifier (field automatically set to "1")
540 - country(aisstr6): UN country code using 2*6-Bit ASCII characters according to ERI specification
541 - id1_id(uint): One tide gauge measurement. Station ID defined by ERI for each country
542 - id1_sign(uint): One tide gauge measurement. sign of the number in the waterlevel
543 - id1_waterlevel(decimal): One tide gauge measurement. Water level at the sensor
544 - id1_i_have_no_idea(uint): One tide gauge measurement. What are these bits for? They do not seem to be specified (field automatically set to "0")
545 - id2_id(uint): One tide gauge measurement. Station ID defined by ERI for each country
546 - id2_sign(uint): One tide gauge measurement. sign of the number in the waterlevel
547 - id2_waterlevel(decimal): One tide gauge measurement. Water level at the sensor
548 - id2_i_have_no_idea(uint): One tide gauge measurement. What are these bits for? They do not seem to be specified (field automatically set to "0")
549 - id3_id(uint): One tide gauge measurement. Station ID defined by ERI for each country
550 - id3_sign(uint): One tide gauge measurement. sign of the number in the waterlevel
551 - id3_waterlevel(decimal): One tide gauge measurement. Water level at the sensor
552 - id3_i_have_no_idea(uint): One tide gauge measurement. What are these bits for? They do not seem to be specified (field automatically set to "0")
553 - id4_id(uint): One tide gauge measurement. Station ID defined by ERI for each country
554 - id4_sign(uint): One tide gauge measurement. sign of the number in the waterlevel
555 - id4_waterlevel(decimal): One tide gauge measurement. Water level at the sensor
556 - id4_i_have_no_idea(uint): One tide gauge measurement. What are these bits for? They do not seem to be specified (field automatically set to "0")
557 @param params: Dictionary of field names/values.
558 @param out: File like object to write to
559 @rtype: stdout
560 @return: text to out
561 '''
562
563 if 'std'==format:
564 out.write("ris_waterlevel:\n")
565 if 'MessageID' in params: out.write(" MessageID: "+str(params['MessageID'])+"\n")
566 if 'RepeatIndicator' in params: out.write(" RepeatIndicator: "+str(params['RepeatIndicator'])+"\n")
567 if 'UserID' in params: out.write(" UserID: "+str(params['UserID'])+"\n")
568 if 'Spare' in params: out.write(" Spare: "+str(params['Spare'])+"\n")
569 if 'dac' in params: out.write(" dac: "+str(params['dac'])+"\n")
570 if 'fid' in params: out.write(" fid: "+str(params['fid'])+"\n")
571 if 'country' in params: out.write(" country: "+str(params['country'])+"\n")
572 if 'id1_id' in params: out.write(" id1_id: "+str(params['id1_id'])+"\n")
573 if 'id1_sign' in params: out.write(" id1_sign: "+str(params['id1_sign'])+"\n")
574 if 'id1_waterlevel' in params: out.write(" id1_waterlevel: "+str(params['id1_waterlevel'])+"\n")
575 if 'id1_i_have_no_idea' in params: out.write(" id1_i_have_no_idea: "+str(params['id1_i_have_no_idea'])+"\n")
576 if 'id2_id' in params: out.write(" id2_id: "+str(params['id2_id'])+"\n")
577 if 'id2_sign' in params: out.write(" id2_sign: "+str(params['id2_sign'])+"\n")
578 if 'id2_waterlevel' in params: out.write(" id2_waterlevel: "+str(params['id2_waterlevel'])+"\n")
579 if 'id2_i_have_no_idea' in params: out.write(" id2_i_have_no_idea: "+str(params['id2_i_have_no_idea'])+"\n")
580 if 'id3_id' in params: out.write(" id3_id: "+str(params['id3_id'])+"\n")
581 if 'id3_sign' in params: out.write(" id3_sign: "+str(params['id3_sign'])+"\n")
582 if 'id3_waterlevel' in params: out.write(" id3_waterlevel: "+str(params['id3_waterlevel'])+"\n")
583 if 'id3_i_have_no_idea' in params: out.write(" id3_i_have_no_idea: "+str(params['id3_i_have_no_idea'])+"\n")
584 if 'id4_id' in params: out.write(" id4_id: "+str(params['id4_id'])+"\n")
585 if 'id4_sign' in params: out.write(" id4_sign: "+str(params['id4_sign'])+"\n")
586 if 'id4_waterlevel' in params: out.write(" id4_waterlevel: "+str(params['id4_waterlevel'])+"\n")
587 if 'id4_i_have_no_idea' in params: out.write(" id4_i_have_no_idea: "+str(params['id4_i_have_no_idea'])+"\n")
588 elif 'csv'==format:
589 if None == options.fieldList:
590 options.fieldList = fieldList
591 needComma = False;
592 for field in fieldList:
593 if needComma: out.write(',')
594 needComma = True
595 if field in params:
596 out.write(str(params[field]))
597
598 out.write("\n")
599 elif 'html'==format:
600 printHtml(params,out)
601 elif 'sql'==format:
602 sqlInsertStr(params,out,dbType=dbType)
603 else:
604 print "ERROR: unknown format:",format
605 assert False
606
607 return
608
609 RepeatIndicatorEncodeLut = {
610 'default':'0',
611 'do not repeat any more':'3',
612 }
613
614 RepeatIndicatorDecodeLut = {
615 '0':'default',
616 '3':'do not repeat any more',
617 }
618
619 id1_signEncodeLut = {
620 '-1':'0',
621 '1':'1',
622 }
623
624 id1_signDecodeLut = {
625 '0':'-1',
626 '1':'1',
627 }
628
629 id2_signEncodeLut = {
630 '-1':'0',
631 '1':'1',
632 }
633
634 id2_signDecodeLut = {
635 '0':'-1',
636 '1':'1',
637 }
638
639 id3_signEncodeLut = {
640 '-1':'0',
641 '1':'1',
642 }
643
644 id3_signDecodeLut = {
645 '0':'-1',
646 '1':'1',
647 }
648
649 id4_signEncodeLut = {
650 '-1':'0',
651 '1':'1',
652 }
653
654 id4_signDecodeLut = {
655 '0':'-1',
656 '1':'1',
657 }
658
659
660
661
662
663 -def sqlCreateStr(outfile=sys.stdout, fields=None, extraFields=None
664 ,addCoastGuardFields=True
665 ,dbType='postgres'
666 ):
667 '''
668 Return the SQL CREATE command for this message type
669 @param outfile: file like object to print to.
670 @param fields: which fields to put in the create. Defaults to all.
671 @param extraFields: A sequence of tuples containing (name,sql type) for additional fields
672 @param addCoastGuardFields: Add the extra fields that come after the NMEA check some from the USCG N-AIS format
673 @param dbType: Which flavor of database we are using so that the create is tailored ('sqlite' or 'postgres')
674 @type addCoastGuardFields: bool
675 @return: sql create string
676 @rtype: str
677
678 @see: sqlCreate
679 '''
680
681 outfile.write(str(sqlCreate(fields,extraFields,addCoastGuardFields,dbType=dbType)))
682
683 -def sqlCreate(fields=None, extraFields=None, addCoastGuardFields=True, dbType='postgres'):
684 '''
685 Return the sqlhelp object to create the table.
686
687 @param fields: which fields to put in the create. Defaults to all.
688 @param extraFields: A sequence of tuples containing (name,sql type) for additional fields
689 @param addCoastGuardFields: Add the extra fields that come after the NMEA check some from the USCG N-AIS format
690 @type addCoastGuardFields: bool
691 @param dbType: Which flavor of database we are using so that the create is tailored ('sqlite' or 'postgres')
692 @return: An object that can be used to generate a return
693 @rtype: sqlhelp.create
694 '''
695 if None == fields: fields = fieldList
696 import sqlhelp
697 c = sqlhelp.create('ris_waterlevel',dbType=dbType)
698 c.addPrimaryKey()
699 if 'MessageID' in fields: c.addInt ('MessageID')
700 if 'RepeatIndicator' in fields: c.addInt ('RepeatIndicator')
701 if 'UserID' in fields: c.addInt ('UserID')
702 if 'Spare' in fields: c.addInt ('Spare')
703 if 'dac' in fields: c.addInt ('dac')
704 if 'fid' in fields: c.addInt ('fid')
705 if 'country' in fields: c.addVarChar('country',2)
706 if 'id1_id' in fields: c.addInt ('id1_id')
707 if 'id1_sign' in fields: c.addInt ('id1_sign')
708 if 'id1_waterlevel' in fields: c.addDecimal('id1_waterlevel',4,2)
709 if 'id1_i_have_no_idea' in fields: c.addInt ('id1_i_have_no_idea')
710 if 'id2_id' in fields: c.addInt ('id2_id')
711 if 'id2_sign' in fields: c.addInt ('id2_sign')
712 if 'id2_waterlevel' in fields: c.addDecimal('id2_waterlevel',4,2)
713 if 'id2_i_have_no_idea' in fields: c.addInt ('id2_i_have_no_idea')
714 if 'id3_id' in fields: c.addInt ('id3_id')
715 if 'id3_sign' in fields: c.addInt ('id3_sign')
716 if 'id3_waterlevel' in fields: c.addDecimal('id3_waterlevel',4,2)
717 if 'id3_i_have_no_idea' in fields: c.addInt ('id3_i_have_no_idea')
718 if 'id4_id' in fields: c.addInt ('id4_id')
719 if 'id4_sign' in fields: c.addInt ('id4_sign')
720 if 'id4_waterlevel' in fields: c.addDecimal('id4_waterlevel',4,2)
721 if 'id4_i_have_no_idea' in fields: c.addInt ('id4_i_have_no_idea')
722
723 if addCoastGuardFields:
724
725
726
727
728
729 c.addVarChar('cg_r',15)
730 c.addInt('cg_sec')
731
732 c.addTimestamp('cg_timestamp')
733
734 return c
735
736 -def sqlInsertStr(params, outfile=sys.stdout, extraParams=None, dbType='postgres'):
737 '''
738 Return the SQL INSERT command for this message type
739 @param params: dictionary of values keyed by field name
740 @param outfile: file like object to print to.
741 @param extraParams: A sequence of tuples containing (name,sql type) for additional fields
742 @return: sql create string
743 @rtype: str
744
745 @see: sqlCreate
746 '''
747 outfile.write(str(sqlInsert(params,extraParams,dbType=dbType)))
748
749
750 -def sqlInsert(params,extraParams=None,dbType='postgres'):
751 '''
752 Give the SQL INSERT statement
753 @param params: dict keyed by field name of values
754 @param extraParams: any extra fields that you have created beyond the normal ais message fields
755 @rtype: sqlhelp.insert
756 @return: insert class instance
757 @todo: allow optional type checking of params?
758 @warning: this will take invalid keys happily and do what???
759 '''
760 import sqlhelp
761 i = sqlhelp.insert('ris_waterlevel',dbType=dbType)
762
763 if dbType=='postgres':
764 finished = []
765 for key in params:
766 if key in finished:
767 continue
768
769 if key not in toPgFields and key not in fromPgFields:
770 if type(params[key])==Decimal: i.add(key,float(params[key]))
771 else: i.add(key,params[key])
772 else:
773 if key in fromPgFields:
774 val = params[key]
775
776 i.addPostGIS(key,val)
777 finished.append(key)
778 else:
779
780 pgName = toPgFields[key]
781
782 valStr=pgTypes[pgName]+'('
783 vals = []
784 for nonPgKey in fromPgFields[pgName]:
785 vals.append(str(params[nonPgKey]))
786 finished.append(nonPgKey)
787 valStr+=' '.join(vals)+')'
788 i.addPostGIS(pgName,valStr)
789 else:
790 for key in params:
791 if type(params[key])==Decimal: i.add(key,float(params[key]))
792 else: i.add(key,params[key])
793
794 if None != extraParams:
795 for key in extraParams:
796 i.add(key,extraParams[key])
797
798 return i
799
800
801
802
805 '''
806 Return the LaTeX definition table for this message type
807 @param outfile: file like object to print to.
808 @param fields: which fields to put in the create. Defaults to all.
809 @return: LaTeX table string
810 @rtype: str
811
812 '''
813 o = outfile
814
815 o.write('''
816 \\begin{table}%[htb]
817 \\centering
818 \\begin{tabular}{|l|c|l|}
819 \\hline
820 Parameter & Number of bits & Description
821 \\\\ \\hline\\hline
822 MessageID & 6 & AIS message number. Must be 8 \\\\ \hline
823 RepeatIndicator & 2 & Indicated how many times a message has been repeated \\\\ \hline
824 UserID & 30 & Unique ship identification number (MMSI) \\\\ \hline
825 Spare & 2 & Reserved for definition by a regional authority. \\\\ \hline
826 dac & 10 & Designated Area Code \\\\ \hline
827 fid & 6 & Functional Identifier \\\\ \hline
828 country & 12 & UN country code using 2*6-Bit ASCII characters according to ERI specification \\\\ \hline
829 id1\_id & 11 & One tide gauge measurement. Station ID defined by ERI for each country \\\\ \hline
830 id1\_sign & 1 & One tide gauge measurement. sign of the number in the waterlevel \\\\ \hline
831 id1\_waterlevel & 11 & One tide gauge measurement. Water level at the sensor \\\\ \hline
832 id1\_i\_have\_no\_idea & 2 & One tide gauge measurement. What are these bits for? They do not seem to be specified \\\\ \hline
833 id2\_id & 11 & One tide gauge measurement. Station ID defined by ERI for each country \\\\ \hline
834 id2\_sign & 1 & One tide gauge measurement. sign of the number in the waterlevel \\\\ \hline
835 id2\_waterlevel & 11 & One tide gauge measurement. Water level at the sensor \\\\ \hline
836 id2\_i\_have\_no\_idea & 2 & One tide gauge measurement. What are these bits for? They do not seem to be specified \\\\ \hline
837 id3\_id & 11 & One tide gauge measurement. Station ID defined by ERI for each country \\\\ \hline
838 id3\_sign & 1 & One tide gauge measurement. sign of the number in the waterlevel \\\\ \hline
839 id3\_waterlevel & 11 & One tide gauge measurement. Water level at the sensor \\\\ \hline
840 id3\_i\_have\_no\_idea & 2 & One tide gauge measurement. What are these bits for? They do not seem to be specified \\\\ \hline
841 id4\_id & 11 & One tide gauge measurement. Station ID defined by ERI for each country \\\\ \hline
842 id4\_sign & 1 & One tide gauge measurement. sign of the number in the waterlevel \\\\ \hline
843 id4\_waterlevel & 11 & One tide gauge measurement. Water level at the sensor \\\\ \hline
844 id4\_i\_have\_no\_idea & 2 & One tide gauge measurement. What are these bits for? They do not seem to be specified\\\\ \\hline \\hline
845 Total bits & 168 & Appears to take 1 slot \\\\ \\hline
846 \\end{tabular}
847 \\caption{AIS message number 8: RIS ECE\\TRANS\\SC.3\\2006\\10 Table 2.15: Water level report}
848 \\label{tab:ris_waterlevel}
849 \\end{table}
850 ''')
851
852
853
854
855
856 import unittest
858 '''Return a params file base on the testvalue tags.
859 @rtype: dict
860 @return: params based on testvalue tags
861 '''
862 params = {}
863 params['MessageID'] = 8
864 params['RepeatIndicator'] = 1
865 params['UserID'] = 1193046
866 params['Spare'] = 0
867 params['dac'] = 000
868 params['fid'] = 1
869 params['country'] = 'ZZ'
870 params['id1_id'] = 4
871 params['id1_sign'] = 0
872 params['id1_waterlevel'] = Decimal('3.21')
873 params['id1_i_have_no_idea'] = 0
874 params['id2_id'] = 4
875 params['id2_sign'] = 0
876 params['id2_waterlevel'] = Decimal('3.21')
877 params['id2_i_have_no_idea'] = 0
878 params['id3_id'] = 4
879 params['id3_sign'] = 0
880 params['id3_waterlevel'] = Decimal('3.21')
881 params['id3_i_have_no_idea'] = 0
882 params['id4_id'] = 4
883 params['id4_sign'] = 0
884 params['id4_waterlevel'] = Decimal('3.21')
885 params['id4_i_have_no_idea'] = 0
886
887 return params
888
890 '''Use testvalue tag text from each type to build test case the ris_waterlevel message'''
892
893 params = testParams()
894 bits = encode(params)
895 r = decode(bits)
896
897
898 self.failUnlessEqual(r['MessageID'],params['MessageID'])
899 self.failUnlessEqual(r['RepeatIndicator'],params['RepeatIndicator'])
900 self.failUnlessEqual(r['UserID'],params['UserID'])
901 self.failUnlessEqual(r['Spare'],params['Spare'])
902 self.failUnlessEqual(r['dac'],params['dac'])
903 self.failUnlessEqual(r['fid'],params['fid'])
904 self.failUnlessEqual(r['country'],params['country'])
905 self.failUnlessEqual(r['id1_id'],params['id1_id'])
906 self.failUnlessEqual(r['id1_sign'],params['id1_sign'])
907 self.failUnlessAlmostEqual(r['id1_waterlevel'],params['id1_waterlevel'],2)
908 self.failUnlessEqual(r['id1_i_have_no_idea'],params['id1_i_have_no_idea'])
909 self.failUnlessEqual(r['id2_id'],params['id2_id'])
910 self.failUnlessEqual(r['id2_sign'],params['id2_sign'])
911 self.failUnlessAlmostEqual(r['id2_waterlevel'],params['id2_waterlevel'],2)
912 self.failUnlessEqual(r['id2_i_have_no_idea'],params['id2_i_have_no_idea'])
913 self.failUnlessEqual(r['id3_id'],params['id3_id'])
914 self.failUnlessEqual(r['id3_sign'],params['id3_sign'])
915 self.failUnlessAlmostEqual(r['id3_waterlevel'],params['id3_waterlevel'],2)
916 self.failUnlessEqual(r['id3_i_have_no_idea'],params['id3_i_have_no_idea'])
917 self.failUnlessEqual(r['id4_id'],params['id4_id'])
918 self.failUnlessEqual(r['id4_sign'],params['id4_sign'])
919 self.failUnlessAlmostEqual(r['id4_waterlevel'],params['id4_waterlevel'],2)
920 self.failUnlessEqual(r['id4_i_have_no_idea'],params['id4_i_have_no_idea'])
921
923 parser.add_option('-d','--decode',dest='doDecode',default=False,action='store_true',
924 help='decode a "ris_waterlevel" AIS message')
925 parser.add_option('-e','--encode',dest='doEncode',default=False,action='store_true',
926 help='encode a "ris_waterlevel" AIS message')
927 parser.add_option('--RepeatIndicator-field', dest='RepeatIndicatorField',default=0,metavar='uint',type='int'
928 ,help='Field parameter value [default: %default]')
929 parser.add_option('--UserID-field', dest='UserIDField',metavar='uint',type='int'
930 ,help='Field parameter value [default: %default]')
931 parser.add_option('--country-field', dest='countryField',metavar='aisstr6',type='string'
932 ,help='Field parameter value [default: %default]')
933 parser.add_option('--id1_id-field', dest='id1_idField',metavar='uint',type='int'
934 ,help='Field parameter value [default: %default]')
935 parser.add_option('--id1_sign-field', dest='id1_signField',metavar='uint',type='int'
936 ,help='Field parameter value [default: %default]')
937 parser.add_option('--id1_waterlevel-field', dest='id1_waterlevelField',metavar='decimal',type='string'
938 ,help='Field parameter value [default: %default]')
939 parser.add_option('--id2_id-field', dest='id2_idField',metavar='uint',type='int'
940 ,help='Field parameter value [default: %default]')
941 parser.add_option('--id2_sign-field', dest='id2_signField',metavar='uint',type='int'
942 ,help='Field parameter value [default: %default]')
943 parser.add_option('--id2_waterlevel-field', dest='id2_waterlevelField',metavar='decimal',type='string'
944 ,help='Field parameter value [default: %default]')
945 parser.add_option('--id3_id-field', dest='id3_idField',metavar='uint',type='int'
946 ,help='Field parameter value [default: %default]')
947 parser.add_option('--id3_sign-field', dest='id3_signField',metavar='uint',type='int'
948 ,help='Field parameter value [default: %default]')
949 parser.add_option('--id3_waterlevel-field', dest='id3_waterlevelField',metavar='decimal',type='string'
950 ,help='Field parameter value [default: %default]')
951 parser.add_option('--id4_id-field', dest='id4_idField',metavar='uint',type='int'
952 ,help='Field parameter value [default: %default]')
953 parser.add_option('--id4_sign-field', dest='id4_signField',metavar='uint',type='int'
954 ,help='Field parameter value [default: %default]')
955 parser.add_option('--id4_waterlevel-field', dest='id4_waterlevelField',metavar='decimal',type='string'
956 ,help='Field parameter value [default: %default]')
957
958
959 if __name__=='__main__':
960
961 from optparse import OptionParser
962 parser = OptionParser(usage="%prog [options]",
963 version="%prog "+__version__)
964
965 parser.add_option('--doc-test',dest='doctest',default=False,action='store_true',
966 help='run the documentation tests')
967 parser.add_option('--unit-test',dest='unittest',default=False,action='store_true',
968 help='run the unit tests')
969 parser.add_option('-v','--verbose',dest='verbose',default=False,action='store_true',
970 help='Make the test output verbose')
971
972
973
974 typeChoices = ('binary','nmeapayload','nmea')
975 parser.add_option('-t','--type',choices=typeChoices,type='choice',dest='ioType'
976 ,default='nmeapayload'
977 ,help='What kind of string to write for encoding ('+', '.join(typeChoices)+') [default: %default]')
978
979
980 outputChoices = ('std','html','csv','sql' )
981 parser.add_option('-T','--output-type',choices=outputChoices,type='choice',dest='outputType'
982 ,default='std'
983 ,help='What kind of string to output ('+', '.join(outputChoices)+') [default: %default]')
984
985 parser.add_option('-o','--output',dest='outputFileName',default=None,
986 help='Name of the python file to write [default: stdout]')
987
988 parser.add_option('-f','--fields',dest='fieldList',default=None, action='append',
989 choices=fieldList,
990 help='Which fields to include in the output. Currently only for csv output [default: all]')
991
992 parser.add_option('-p','--print-csv-field-list',dest='printCsvfieldList',default=False,action='store_true',
993 help='Print the field name for csv')
994
995 parser.add_option('-c','--sql-create',dest='sqlCreate',default=False,action='store_true',
996 help='Print out an sql create command for the table.')
997
998 parser.add_option('--latex-table',dest='latexDefinitionTable',default=False,action='store_true',
999 help='Print a LaTeX table of the type')
1000
1001 dbChoices = ('sqlite','postgres')
1002 parser.add_option('-D','--db-type',dest='dbType',default='postgres'
1003 ,choices=dbChoices,type='choice'
1004 ,help='What kind of database ('+', '.join(dbChoices)+') [default: %default]')
1005
1006 addMsgOptions(parser)
1007
1008 (options,args) = parser.parse_args()
1009 success=True
1010
1011 if options.doctest:
1012 import os; print os.path.basename(sys.argv[0]), 'doctests ...',
1013 sys.argv= [sys.argv[0]]
1014 if options.verbose: sys.argv.append('-v')
1015 import doctest
1016 numfail,numtests=doctest.testmod()
1017 if numfail==0: print 'ok'
1018 else:
1019 print 'FAILED'
1020 success=False
1021
1022 if not success: sys.exit('Something Failed')
1023 del success
1024
1025 if options.unittest:
1026 sys.argv = [sys.argv[0]]
1027 if options.verbose: sys.argv.append('-v')
1028 unittest.main()
1029
1030 outfile = sys.stdout
1031 if None!=options.outputFileName:
1032 outfile = file(options.outputFileName,'w')
1033
1034
1035 if options.doEncode:
1036
1037 if None==options.RepeatIndicatorField: parser.error("missing value for RepeatIndicatorField")
1038 if None==options.UserIDField: parser.error("missing value for UserIDField")
1039 if None==options.countryField: parser.error("missing value for countryField")
1040 if None==options.id1_idField: parser.error("missing value for id1_idField")
1041 if None==options.id1_signField: parser.error("missing value for id1_signField")
1042 if None==options.id1_waterlevelField: parser.error("missing value for id1_waterlevelField")
1043 if None==options.id2_idField: parser.error("missing value for id2_idField")
1044 if None==options.id2_signField: parser.error("missing value for id2_signField")
1045 if None==options.id2_waterlevelField: parser.error("missing value for id2_waterlevelField")
1046 if None==options.id3_idField: parser.error("missing value for id3_idField")
1047 if None==options.id3_signField: parser.error("missing value for id3_signField")
1048 if None==options.id3_waterlevelField: parser.error("missing value for id3_waterlevelField")
1049 if None==options.id4_idField: parser.error("missing value for id4_idField")
1050 if None==options.id4_signField: parser.error("missing value for id4_signField")
1051 if None==options.id4_waterlevelField: parser.error("missing value for id4_waterlevelField")
1052 msgDict={
1053 'MessageID': '8',
1054 'RepeatIndicator': options.RepeatIndicatorField,
1055 'UserID': options.UserIDField,
1056 'Spare': '0',
1057 'dac': '000',
1058 'fid': '1',
1059 'country': options.countryField,
1060 'id1_id': options.id1_idField,
1061 'id1_sign': options.id1_signField,
1062 'id1_waterlevel': options.id1_waterlevelField,
1063 'id1_i_have_no_idea': '0',
1064 'id2_id': options.id2_idField,
1065 'id2_sign': options.id2_signField,
1066 'id2_waterlevel': options.id2_waterlevelField,
1067 'id2_i_have_no_idea': '0',
1068 'id3_id': options.id3_idField,
1069 'id3_sign': options.id3_signField,
1070 'id3_waterlevel': options.id3_waterlevelField,
1071 'id3_i_have_no_idea': '0',
1072 'id4_id': options.id4_idField,
1073 'id4_sign': options.id4_signField,
1074 'id4_waterlevel': options.id4_waterlevelField,
1075 'id4_i_have_no_idea': '0',
1076 }
1077
1078 bits = encode(msgDict)
1079 if 'binary'==options.ioType: print str(bits)
1080 elif 'nmeapayload'==options.ioType:
1081
1082 print "bitLen",len(bits)
1083 bitLen=len(bits)
1084 if bitLen%6!=0:
1085 bits = bits + BitVector(size=(6 - (bitLen%6)))
1086 print "result:",binary.bitvectoais6(bits)[0]
1087
1088
1089
1090 elif 'nmea'==options.ioType: sys.exit("FIX: need to implement this capability")
1091 else: sys.exit('ERROR: unknown ioType. Help!')
1092
1093
1094 if options.sqlCreate:
1095 sqlCreateStr(outfile,options.fieldList,dbType=options.dbType)
1096
1097 if options.latexDefinitionTable:
1098 latexDefinitionTable(outfile)
1099
1100 if options.printCsvfieldList:
1101
1102 if None == options.fieldList: options.fieldList = fieldList
1103 import StringIO
1104 buf = StringIO.StringIO()
1105 for field in options.fieldList:
1106 buf.write(field+',')
1107 result = buf.getvalue()
1108 if result[-1] == ',': print result[:-1]
1109 else: print result
1110
1111 if options.doDecode:
1112 for msg in args:
1113 bv = None
1114
1115 if msg[0] in ('$','!') and msg[3:6] in ('VDM','VDO'):
1116
1117
1118 bv = binary.ais6tobitvec(msg.split(',')[5])
1119 else:
1120
1121 binaryMsg=True
1122 for c in msg:
1123 if c not in ('0','1'):
1124 binaryMsg=False
1125 break
1126 if binaryMsg:
1127 bv = BitVector(bitstring=msg)
1128 else:
1129 bv = binary.ais6tobitvec(msg)
1130
1131 printFields(decode(bv)
1132 ,out=outfile
1133 ,format=options.outputType
1134 ,fieldList=options.fieldList
1135 ,dbType=options.dbType
1136 )
1137