rework analysis

This commit is contained in:
frederik
2024-01-02 15:49:18 +01:00
parent 1fa33d2444
commit ad4e7a0876
3 changed files with 444 additions and 0 deletions
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import logging
import os
import os.path
import re
import signal
import sys
import threading
from queue import Queue
import inotify.adapters
from inotify.constants import IN_CLOSE_WRITE
from utils.reporting import extract_detection, summary, write_to_file, write_to_db, apprise, bird_weather, heartbeat
from server import load_global_model, run_analysis
from utils.helpers import get_settings, ParseFileName, get_wav_files, write_settings, ANALYZING_NOW
shutdown = False
log = logging.getLogger(__name__)
def sig_handler(sig_num, curr_stack_frame):
global shutdown
log.info('Caught shutdown signal %d', sig_num)
shutdown = True
def main():
write_settings()
load_global_model()
conf = get_settings()
i = inotify.adapters.Inotify()
i.add_watch(os.path.join(conf['RECS_DIR'], 'StreamData'), mask=IN_CLOSE_WRITE)
backlog = get_wav_files()
report_queue = Queue()
thread = threading.Thread(target=handle_reporting_queue, args=(report_queue, ))
thread.start()
log.info('backlog is %d', len(backlog))
for file_name in backlog:
process_file(file_name, report_queue)
if shutdown:
break
log.info('backlog done')
empty_count = 0
for event in i.event_gen():
if shutdown:
break
if event is None:
if empty_count > (conf.getint('RECORDING_LENGTH') * 2):
log.error('no more notifications: restarting...')
break
empty_count += 1
continue
(_, type_names, path, file_name) = event
if re.search('.wav$', file_name) is None:
continue
log.debug("PATH=[%s] FILENAME=[%s] EVENT_TYPES=%s", path, file_name, type_names)
file_path = os.path.join(path, file_name)
if file_path in backlog:
# if we're very lucky, the first event could be for the file in the backlog that finished
# while running get_wav_files()
backlog = []
continue
process_file(file_path, report_queue)
empty_count = 0
# we're all done
report_queue.put(None)
thread.join()
report_queue.join()
def process_file(file_name, report_queue):
try:
if os.path.getsize(file_name) == 0:
os.remove(file_name)
return
log.info('Analyzing %s', file_name)
with open(ANALYZING_NOW, 'w') as analyzing:
analyzing.write(file_name)
file = ParseFileName(file_name)
detections = run_analysis(file)
# we join() to make sure te reporting queue does not get behind
if not report_queue.empty():
log.warning('reporting queue not yet empty')
report_queue.join()
report_queue.put((file, detections))
except BaseException as e:
log.exception('Unexpected error:', exc_info=e)
def handle_reporting_queue(queue):
while True:
msg = queue.get()
# check for signal that we are done
if msg is None:
break
file, detections = msg
try:
for detection in detections:
detection.file_name_extr = extract_detection(file, detection)
log.info('%s;%s', summary(file, detection), os.path.basename(detection.file_name_extr))
write_to_file(file, detection)
write_to_db(file, detection)
apprise(file, detections)
bird_weather(file, detections)
heartbeat()
os.remove(file.file_name)
except BaseException as e:
log.exception('Unexpected error:', exc_info=e)
queue.task_done()
# mark the 'None' signal as processed
queue.task_done()
log.info('handle_reporting_queue done')
def setup_logging():
logger = logging.getLogger()
formatter = logging.Formatter("[%(name)s][%(levelname)s] %(message)s")
handler = logging.StreamHandler(stream=sys.stdout)
handler.setFormatter(formatter)
logger.addHandler(handler)
logger.setLevel(logging.INFO)
global log
log = logging.getLogger('birdnet_analysis')
if __name__ == '__main__':
signal.signal(signal.SIGINT, sig_handler)
signal.signal(signal.SIGTERM, sig_handler)
setup_logging()
main()
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import configparser
import datetime
import glob
import os
import stat
import re
import subprocess
from itertools import chain
from tzlocal import get_localzone
_settings = None
DB_PATH = os.path.expanduser('~/BirdNET-Pi/scripts/birds.db')
THISRUN = os.path.expanduser('~/BirdNET-Pi/scripts/thisrun.txt')
ANALYZING_NOW = os.path.expanduser('~/BirdNET-Pi/analyzing_now.txt')
def _load_settings(settings_path='/etc/birdnet/birdnet.conf', force_reload=False):
global _settings
if _settings is None or force_reload:
with open(settings_path) as f:
parser = configparser.ConfigParser()
# preserve case
parser.optionxform = lambda option: option
lines = chain(("[top]",), f)
parser.read_file(lines)
_settings = parser['top']
return _settings
def get_settings(settings_path='/etc/birdnet/birdnet.conf', force_reload=False):
settings = _load_settings(settings_path, force_reload)
return settings
def write_settings(file_name=THISRUN):
settings = _load_settings()
with open(file_name, 'w') as configfile:
for key, value in settings.items():
configfile.write(f'{key}={value}\n')
os.chmod(file_name, stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IWGRP)
class Detection:
def __init__(self, start_time, stop_time, species, confidence):
self.start = float(start_time)
self.stop = float(stop_time)
self.confidence = float(confidence)
self.confidence_pct = round(self.confidence * 100)
self.species = species
self.scientific_name = species.split('_')[0]
self.common_name = species.split('_')[1]
self.common_name_safe = self.common_name.replace("'", "").replace(" ", "_")
self.file_name_extr = None
class ParseFileName:
def __init__(self, file_name):
self.file_name = file_name
name = os.path.splitext(os.path.basename(file_name))[0]
date_created = re.search('^[0-9]+-[0-9]+-[0-9]+', name).group()
time_created = re.search('[0-9]+:[0-9]+:[0-9]+$', name).group()
self.file_date = datetime.datetime.strptime(f'{date_created}T{time_created}', "%Y-%m-%dT%H:%M:%S")
self.root = name
ident_match = re.search("RTSP_[0-9]+-", file_name)
self.RTSP_id = ident_match.group() if ident_match is not None else ""
@property
def date(self):
current_date = self.file_date.strftime("%Y-%m-%d")
return current_date
@property
def time(self):
current_time = self.file_date.strftime("%H:%M:%S")
return current_time
@property
def iso8601(self):
current_iso8601 = self.file_date.astimezone(get_localzone()).isoformat()
return current_iso8601
@property
def week(self):
week = self.file_date.isocalendar()[1]
return week
def get_open_files_in_dir(dir_name):
result = subprocess.run(['lsof', '-Fn', '+D', f'{dir_name}'], check=False, capture_output=True)
ret = result.stdout.decode('utf-8')
err = result.stderr.decode('utf-8')
if err:
raise RuntimeError(f'{ret}:\n {err}')
names = [line.lstrip('n') for line in ret.splitlines() if line.startswith('n')]
return names
def get_wav_files():
conf = get_settings()
files = (glob.glob(os.path.join(conf['RECS_DIR'], '*/*/*.wav')) +
glob.glob(os.path.join(conf['RECS_DIR'], 'StreamData/*.wav')))
files.sort()
files = [os.path.join(conf['RECS_DIR'], file) for file in files]
rec_dir = os.path.join(conf['RECS_DIR'], 'StreamData')
open_recs = get_open_files_in_dir(rec_dir)
files = [file for file in files if file not in open_recs]
return files
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import datetime
import gzip
import logging
import os
import sqlite3
import subprocess
from time import sleep
import requests
from tzlocal import get_localzone
from .helpers import get_settings, ParseFileName, Detection, DB_PATH
from .notifications import sendAppriseNotifications
log = logging.getLogger(__name__)
def get_safe_title(title):
result = subprocess.run(['iconv', '-f', 'utf8', '-t', 'ascii//TRANSLIT'],
check=True, input=title.encode('utf-8'), capture_output=True)
ret = result.stdout.decode('utf-8')
return ret
def extract(in_file, out_file, start, stop):
result = subprocess.run(['sox', '-V1', f'{in_file}', f'{out_file}', 'trim', f'={start}', f'={stop}'],
check=True, capture_output=True)
ret = result.stdout.decode('utf-8')
err = result.stderr.decode('utf-8')
if err:
raise RuntimeError(f'{ret}:\n {err}')
return ret
def extract_safe(in_file, out_file, start, stop):
conf = get_settings()
# This section sets the SPACER that will be used to pad the audio clip with
# context. If EXTRACTION_LENGTH is 10, for instance, 3 seconds are removed
# from that value and divided by 2, so that the 3 seconds of the call are
# within 3.5 seconds of audio context before and after.
try:
ex_len = conf.getint('EXTRACTION_LENGTH')
except ValueError:
ex_len = 6
spacer = (ex_len - 3) / 2
safe_start = max(0, start - spacer)
safe_stop = min(conf.getint('RECORDING_LENGTH'), stop + spacer)
extract(in_file, out_file, safe_start, safe_stop)
def spectrogram(in_file, title, comment, raw=False):
args = ['sox', '-V1', f'{in_file}', '-n', 'remix', '1', 'rate', '24k', 'spectrogram',
'-t', f'{get_safe_title(title)}', '-c', f'{comment}', '-o', f'{in_file}.png']
args += ['-r'] if raw else []
result = subprocess.run(args, check=True, capture_output=True)
ret = result.stdout.decode('utf-8')
err = result.stderr.decode('utf-8')
if err:
raise RuntimeError(f'{ret}:\n {err}')
return ret
def extract_detection(file: ParseFileName, detection: Detection):
conf = get_settings()
new_file_name = f'{detection.common_name_safe}-{detection.confidence_pct}-{file.root}.{conf["AUDIOFMT"]}'
new_dir = os.path.join(conf['EXTRACTED'], 'By_Date', f'{file.date}', f'{detection.common_name_safe}')
new_file = os.path.join(new_dir, new_file_name)
if os.path.isfile(new_file):
log.warning('Extraction exists. Moving on: %s', new_file)
else:
os.makedirs(new_dir, exist_ok=True)
extract_safe(file.file_name, new_file, detection.start, detection.stop)
spectrogram(new_file, detection.common_name, new_file.replace(os.path.expanduser('~/'), ''))
return new_file
def write_to_db(file: ParseFileName, detection: Detection):
conf = get_settings()
# Connect to SQLite Database
for attempt_number in range(3):
try:
con = sqlite3.connect(DB_PATH)
cur = con.cursor()
cur.execute("INSERT INTO detections VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
(file.date, file.time, detection.scientific_name, detection.common_name, detection.confidence,
conf['LATITUDE'], conf['LONGITUDE'], conf['CONFIDENCE'], str(file.week), conf['SENSITIVITY'],
conf['OVERLAP'], os.path.basename(detection.file_name_extr)))
# (Date, Time, Sci_Name, Com_Name, str(score),
# Lat, Lon, Cutoff, Week, Sens,
# Overlap, File_Name))
con.commit()
con.close()
break
except BaseException as e:
log.warning("Database busy: %s", e)
sleep(2)
def summary(file: ParseFileName, detection: Detection):
# Date;Time;Sci_Name;Com_Name;Confidence;Lat;Lon;Cutoff;Week;Sens;Overlap
# 2023-03-03;12:48:01;Phleocryptes melanops;Wren-like Rushbird;0.76950216;-1;-1;0.7;9;1.25;0.0
conf = get_settings()
s = (f'{file.date};{file.time};{detection.scientific_name};{detection.common_name};'
f'{detection.confidence};'
f'{conf["LATITUDE"]};{conf["LONGITUDE"]};{conf["CONFIDENCE"]};{file.week};{conf["SENSITIVITY"]};'
f'{conf["OVERLAP"]}')
return s
def write_to_file(file: ParseFileName, detection: Detection):
with open(os.path.expanduser('~/BirdNET-Pi/BirdDB.txt'), 'a') as rfile:
rfile.write(f'{summary(file, detection)}\n')
def apprise(file: ParseFileName, detections: [Detection]):
species_apprised_this_run = []
conf = get_settings()
for detection in detections:
# Apprise of detection if not already alerted this run.
if detection.species not in species_apprised_this_run:
try:
sendAppriseNotifications(detection.species, str(detection.confidence), str(detection.confidence_pct),
os.path.basename(detection.file_name_extr), file.date, file.time, str(file.week),
conf['LATITUDE'], conf['LONGITUDE'], conf['CONFIDENCE'], conf['SENSITIVITY'],
conf['OVERLAP'], dict(conf), DB_PATH)
except BaseException as e:
log.exception('Error during Apprise:', exc_info=e)
species_apprised_this_run.append(detection.species)
def bird_weather(file: ParseFileName, detections: [Detection]):
conf = get_settings()
if conf['BIRDWEATHER_ID'] == "":
return
if detections:
# POST soundscape to server
soundscape_url = (f'https://app.birdweather.com/api/v1/stations/'
f'{conf["BIRDWEATHER_ID"]}/soundscapes?timestamp={file.iso8601}')
with open(file.file_name, 'rb') as f:
wav_data = f.read()
gzip_wav_data = gzip.compress(wav_data)
try:
response = requests.post(url=soundscape_url, data=gzip_wav_data, timeout=30,
headers={'Content-Type': 'application/octet-stream', 'Content-Encoding': 'gzip'})
log.info("Soundscape POST Response Status - %d", response.status_code)
sdata = response.json()
except BaseException as e:
log.error("Cannot POST soundscape: %s", e)
return
if not sdata.get('success'):
log.error(sdata.get('message'))
return
soundscape_id = sdata['soundscape']['id']
for detection in detections:
# POST detection to server
detection_url = f'https://app.birdweather.com/api/v1/stations/{conf["BIRDWEATHER_ID"]}/detections'
start = file.file_date + datetime.timedelta(seconds=detection.start)
current_iso8601 = start.astimezone(get_localzone()).isoformat()
data = {'timestamp': current_iso8601, 'lat': conf['LATITUDE'], 'lon': conf['LONGITUDE'],
'soundscapeId': soundscape_id,
'soundscapeStartTime': detection.start, 'soundscapeEndTime': detection.stop,
'commonName': detection.common_name, 'scientificName': detection.scientific_name,
'algorithm': '2p4' if conf['MODEL'] == 'BirdNET_GLOBAL_6K_V2.4_Model_FP16' else 'alpha',
'confidence': detection.confidence}
log.debug(data)
try:
response = requests.post(detection_url, json=data, timeout=20)
log.info("Detection POST Response Status - %d", response.status_code)
except BaseException as e:
log.error("Cannot POST detection: %s", e)
def heartbeat():
conf = get_settings()
if conf['HEARTBEAT_URL']:
try:
result = requests.get(url=conf['HEARTBEAT_URL'], timeout=10)
log.info('Heartbeat: %s', result.text)
except BaseException as e:
log.error('Error during heartbeat: %s', e)