extract BAT AR125 -specific metadata if embedded in Sonobat metadata

Author: riggsd

bin/sb2guano.py

@@ -25,6 +25,7 @@
 SB_DFREQ_REGEX = re.compile(r'\[!([\w]+)!\]')
 
 D500X_ATTRIBUTE_REGEX = re.compile(r'(?P<d500x>D500X V.+S/N=\d+)')
+AR125_ATTRIBUTE_REGEX = re.compile(r'(?P<ar125>DEV=.+CMT=<.+>)')
 
 # old SonoBat format e.g. TransectTestRun1-24Mar11-16,27,56-Myoluc.wav
 SONOBAT_FILENAME1_REGEX = re.compile(r'(?P<date>[ 0123][0-9][A-Z][a-z][a-z][0-9][0-9]-[012][0-9],[0-6][0-9],[0-6][0-9])(-(?P<species>[A-Za-z]+))?')
@@ -66,13 +67,22 @@ def extract_sonobat_metadata(fname):
             sb_md['te'] = int(re.search(SB_TE_REGEX, md).groups()[0])
             sb_md['dfreq'] = re.search(SB_DFREQ_REGEX, md).groups()[0]
             note = md.split('!]', 1)[1]
+
             # If this file was created with Sonobat D500X Attributer, parse out D500X metadata
             match = re.search(D500X_ATTRIBUTE_REGEX, note)
             if match and match.group('d500x').count(',') == 8:
                 fw, f, pre, len, hp, a, ts, timestamp, sn = match.group('d500x').split(',')
                 f, pre, len, hp, a, ts, sn = tuple(s.split('=',1)[1].strip() for s in (f, pre, len, hp, a, ts, sn))
                 sb_md['d500x'] = dict(Firmware=fw, F=f, PRE=pre, LEN=len, HP=hp, A=a, TS=ts, Timestamp=timestamp, Serial=sn)
-            # TODO: parse out BAT AR125 metadata fields
+
+            # Binary Acoustic AR125 stuffs metadata into Sonobat note
+            match = re.search(AR125_ATTRIBUTE_REGEX, note)
+            if match:
+                dev, dc, utc, ltb, cmt = match.group('ar125').split(',', 4)
+                dev, dc, utc, ltb, cmt = tuple(s.split('=',1)[1].strip() for s in (dev, dc, utc, ltb, cmt))
+                cmt = cmt.strip('<>')
+                sb_md['ar125'] = dict(DEV=dev, DC=dc, UTC=utc, LTB=ltb, CMT=cmt)
+
             sb_md['note'] = note
 
     with closing(wave.open(fname)) as wavfile:
@@ -108,9 +118,15 @@ def sonobat2guano(fname):
     gfile['Note'] = sb_md['note'].strip().replace('\r\n', '\\n').replace('\n', '\\n')
     if sb_md.get('species', None):
         gfile['Species Auto ID'] = sb_md['species']
+
     if 'd500x' in sb_md:
         for k, v in sb_md['d500x'].items():
             gfile['PET', k] = v
+
+    if 'ar125' in sb_md:
+        for k, v in sb_md['ar125'].items():
+            gfile['BAT', k] = v
+
     print gfile._as_string()
 
     gfile.write()