def fingerprint_directory(self, path, extensions, nprocesses=None):
# Try to use the maximum amount of processes if not given.
try:
nprocesses = nprocesses or multiprocessing.cpu_count()
except NotImplementedError:
nprocesses = 1
else:
nprocesses = 1 if nprocesses <= 0 else nprocesses
pool = multiprocessing.Pool(nprocesses)
filenames_to_fingerprint = []
for filename, _ in decoder.find_files(path, extensions):
# don't refingerprint already fingerprinted files
if decoder.unique_hash(filename) in self.songhashes_set:
dejavu.shared.UITEXTLOGGER.emit(
"%s already fingerprinted, continuing..." % filename)
print("%s already fingerprinted, continuing..." % filename)
continue
filenames_to_fingerprint.append(filename)
# Prepare _fingerprint_worker input
worker_input = zip(filenames_to_fingerprint,
[self.limit] * len(filenames_to_fingerprint))
# Send off our tasks
iterator = pool.imap_unordered(_fingerprint_worker, worker_input)
# Loop till we have all of them
while True:
try:
song_name, hashes, file_hash = iterator.next()
except multiprocessing.TimeoutError:
continue
except StopIteration:
break
except:
dejavu.shared.UITEXTLOGGER.emit("Failed fingerprinting")
print("Failed fingerprinting")
# Print traceback because we can't reraise it here
traceback.print_exc(file=sys.stdout)
else:
dejavu.shared.UITEXTLOGGER.emit(
"Saving finger prints to Database for %s" % song_name)
print("Saving finger prints to Database for %s" % song_name)
sid = self.db.insert_song(song_name, file_hash)
self.db.insert_hashes(sid, hashes)
self.db.set_song_fingerprinted(sid)
self.get_fingerprinted_songs()
dejavu.shared.UITEXTLOGGER.emit(
"Finished saving finger prints to Database for %s" %
song_name)
print("Finished saving finger prints to Database for %s" %
song_name)
pool.close()
pool.join()
def fingerprint_directory(self,
path,
extensions,
nprocesses=None,
splited=False,
splited_song_name=""):
# Try to use the maximum amount of processes if not given.
try:
nprocesses = nprocesses or multiprocessing.cpu_count()
except NotImplementedError:
nprocesses = 1
else:
nprocesses = 1 if nprocesses <= 0 else nprocesses
pool = multiprocessing.Pool(nprocesses)
filenames_to_fingerprint = []
for filename, _ in decoder.find_files(path, extensions):
# don't refingerprint already fingerprinted files
if decoder.path_to_songname(filename) in self.songnames_set:
print "%s already fingerprinted, continuing..." % filename
continue
filenames_to_fingerprint.append(filename)
# Prepare _fingerprint_worker input
worker_input = zip(filenames_to_fingerprint,
[self.limit] * len(filenames_to_fingerprint))
# Send off our tasks
iterator = pool.imap_unordered(_fingerprint_worker, worker_input)
if splited and splited_song_name:
sid = self.db.insert_song(splited_song_name)
# Loop till we have all of them
while True:
try:
song_name, hashes = iterator.next()
except multiprocessing.TimeoutError:
continue
except StopIteration:
break
except:
print("Failed fingerprinting")
# Print traceback because we can't reraise it here
traceback.print_exc(file=sys.stdout)
else:
if not splited:
sid = self.db.insert_song(song_name)
self.db.insert_hashes(sid, hashes)
self.db.set_song_fingerprinted(sid)
self.get_fingerprinted_songs()
pool.close()
pool.join()
def recognize_directory(self, path, extensions):
for filename, _ in decoder.find_files(path, extensions):
result = self.recognize_file(filename)
if result["confidence"] >= self.confidence_limit:
msg = ("From file %s we recognized: %s" % (filename, result))
msg = "[" + datetime.datetime.now().strftime(
"%Y-%m-%d %H:%M:%S") + "]" + msg
print msg
logging.info(msg)
def fingerprint_directory(self, path, extensions, nprocesses=None):
# Try to use the maximum amount of processes if not given.
try:
nprocesses = nprocesses or multiprocessing.cpu_count()
except NotImplementedError:
nprocesses = 1
else:
nprocesses = 1 if nprocesses <= 0 else nprocesses
pool = multiprocessing.Pool(nprocesses)
filenames_to_fingerprint = []
for filename, _ in decoder.find_files(path, extensions):
filenames_to_fingerprint.append(filename)
# Prepare _fingerprint_worker input
worker_input = zip(filenames_to_fingerprint,
[self.limit] * len(filenames_to_fingerprint))
# Send off our tasks
iterator = pool.imap_unordered(_fingerprint_worker,
worker_input)
# Loop till we have all of them
batch_list = []
while True:
try:
song_name, hashes, file_hash, filename = iterator.next()
hashes_list = list(hashes)
except multiprocessing.TimeoutError:
continue
except StopIteration:
break
except:
print("Failed fingerprinting")
# Print traceback because we can't reraise it here
traceback.print_exc(file=sys.stdout)
else:
batch_list.append({
"song_name": song_name,
"hashes_list": hashes_list,
"file_hash": file_hash,
"filename": filename,
})
if len(batch_list) == BATCH_NUMBER:
call_fingerprint_create_api(batch_list)
batch_list = []
if len(batch_list) < BATCH_NUMBER:
call_fingerprint_create_api(batch_list)
pool.close()
pool.join()
def fingerprint_directory(self, path, extensions, nprocesses=None):
# Try to use the maximum amount of processes if not given.
try:
nprocesses = nprocesses or multiprocessing.cpu_count()
except NotImplementedError:
nprocesses = 1
else:
nprocesses = 1 if nprocesses <= 0 else nprocesses
pool = multiprocessing.Pool(nprocesses)
filenames_to_fingerprint = []
for filename, _ in decoder.find_files(path, extensions):
# don't refingerprint already fingerprinted files
if decoder.path_to_songname(filename) in self.songnames_set:
print "%s already fingerprinted, continuing..." % filename
continue
filenames_to_fingerprint.append(filename)
# Prepare _fingerprint_worker input
worker_input = zip(filenames_to_fingerprint,
[self.limit] * len(filenames_to_fingerprint))
# Send off our tasks
iterator = pool.imap_unordered(_fingerprint_worker,
worker_input)
# Loop till we have all of them
while True:
try:
song_name, hashes = iterator.next()
except multiprocessing.TimeoutError:
continue
except StopIteration:
break
except:
print("Failed fingerprinting")
# Print traceback because we can't reraise it here
import traceback, sys
traceback.print_exc(file=sys.stdout)
else:
sid = self.db.insert_song(song_name)
self.db.insert_hashes(sid, hashes)
self.db.set_song_fingerprinted(sid)
self.get_fingerprinted_songs()
pool.close()
pool.join()
def fingerprint_directory(self, path, extensions, nprocesses=None):
# Try to use the maximum amount of processes if not given.
try:
nprocesses = nprocesses or multiprocessing.cpu_count()
except NotImplementedError:
nprocesses = 1
else:
nprocesses = 1 if nprocesses <= 0 else nprocesses
pool = multiprocessing.Pool(nprocesses)
filenames_to_fingerprint = []
for filename, _ in decoder.find_files(path, extensions):
# don't refingerprint already fingerprinted files
if decoder.unique_hash(filename) in self.songhashes_set:
logging.getLogger('dejavu').warn(
"%s already fingerprinted, continuing..." % filename)
continue
filenames_to_fingerprint.append(filename)
# Prepare _fingerprint_worker input
worker_input = zip(filenames_to_fingerprint,
[self.limit] * len(filenames_to_fingerprint))
# Send off our tasks
iterator = pool.imap_unordered(_fingerprint_worker, worker_input)
# Loop till we have all of them
while True:
try:
song_name, hashes, file_hash, audio_length = iterator.next()
except multiprocessing.TimeoutError:
continue
except StopIteration:
break
except:
logging.getLogger('dejavu').exception("Failed fingerprinting")
else:
logging.getLogger('dejavu').debug("Inserting " + song_name +
" in database")
sid = self.db.insert_song(song_name, file_hash, audio_length)
self.db.insert_hashes(sid,
set([(x[0], int(x[1])) for x in hashes]))
self.db.set_song_fingerprinted(sid)
self.get_fingerprinted_songs()
logging.getLogger('dejavu').info(song_name +
" inserted in database")
pool.close()
pool.join()
def fingerprint_directory(self, path, extensions, nprocesses=None):
# Try to use the maximum amount of processes if not given.
try:
nprocesses = nprocesses or multiprocessing.cpu_count()
except NotImplementedError:
nprocesses = 1
else:
nprocesses = 1 if nprocesses <= 0 else nprocesses
pool = multiprocessing.Pool(nprocesses)
filenames_to_fingerprint = []
for filename, _ in decoder.find_files(path, extensions):
# don't refingerprint already fingerprinted files
if self.db.get_song_by_hash(
decoder.unique_hash(filename)) is not None:
logger.info("%s already fingerprinted, continuing..." %
filename)
continue
filenames_to_fingerprint.append(filename)
# Prepare _fingerprint_worker input
worker_input = list(
zip(filenames_to_fingerprint,
[self.limit] * len(filenames_to_fingerprint)))
# Send off our tasks
iterator = pool.imap_unordered(_fingerprint_worker, worker_input)
# Loop till we have all of them
while True:
try:
song_name, hashes, file_hash = next(iterator)
except multiprocessing.TimeoutError:
continue
except StopIteration:
break
except:
logger.error("Failed fingerprinting")
# Print traceback because we can't reraise it here
traceback.print_exc(file=sys.stdout)
else:
sid = self.db.insert_song(song_name, file_hash)
self.db.insert_hashes(sid, hashes)
self.db.set_song_fingerprinted(sid)
pool.close()
pool.join()
def fingerprint_directory(self,
path,
extensions,
output_dir=None,
nprocesses=None):
# Try to use the maximum amount of processes if not given.
try:
nprocesses = nprocesses or multiprocessing.cpu_count()
except NotImplementedError:
nprocesses = 1
else:
nprocesses = 1 if nprocesses <= 0 else nprocesses
pool = multiprocessing.Pool(nprocesses)
filenames_to_fingerprint = []
for filename, _ in decoder.find_files(path, extensions):
filenames_to_fingerprint.append(filename)
# Prepare _fingerprint_worker input
worker_input = zip(filenames_to_fingerprint,
[None] * len(filenames_to_fingerprint))
# Send off our tasks
iterator = pool.imap_unordered(_fingerprint_worker, worker_input)
# Loop till we have all of them
while True:
try:
song_name, hashes, file_hash = iterator.next()
f = open(os.path.join(output_dir, song_name + '.fingerp'), 'w')
sorted_hashes = sorted(list(hashes), key=lambda t: t[1])
for t in sorted_hashes:
f.write(str(t[0]) + " - " + str(t[1]) + "\n")
f.flush()
f.close()
except multiprocessing.TimeoutError:
continue
except StopIteration:
break
except:
print("Failed fingerprinting")
# Print traceback because we can't reraise it here
traceback.print_exc(file=sys.stdout)
pool.close()
pool.join()
def fingerprint_directory(self, path, extensions, nprocesses=None):
# Try to use the maximum amount of processes if not given.
try:
nprocesses = nprocesses or multiprocessing.cpu_count()
except NotImplementedError:
nprocesses = 1
else:
nprocesses = 1 if nprocesses <= 0 else nprocesses
pool = multiprocessing.Pool(nprocesses)
results = []
for filename, _ in decoder.find_files(path, extensions):
# don't refingerprint already fingerprinted files
if decoder.path_to_songname(filename) in self.songnames_set:
print "%s already fingerprinted, continuing..." % filename
continue
result = pool.apply_async(_fingerprint_worker,
(filename, self.db, self.limit))
results.append(result)
while len(results):
for result in results[:]:
# TODO: Handle errors gracefully and return them to the callee
# in some way.
try:
result.get(timeout=2)
except multiprocessing.TimeoutError:
continue
except:
import traceback, sys
traceback.print_exc(file=sys.stdout)
results.remove(result)
else:
results.remove(result)
pool.close()
pool.join()
def fingerprint_translation_record_directory(self,
path,
extensions,
nprocesses=None):
msg = "Starting fingerprint translation record directory"
print msg
self.logger.info(msg)
# Try to use the maximum amount of processes if not given.
try:
nprocesses = nprocesses or multiprocessing.cpu_count()
except NotImplementedError:
nprocesses = 1
else:
nprocesses = 1 if nprocesses <= 0 else nprocesses
pool = multiprocessing.Pool(nprocesses)
filenames_to_fingerprint = []
for filename, _ in decoder.find_files(path, extensions):
basename = os.path.basename(filename)
if "_recording" in basename:
continue
# don't refingerprint already fingerprinted files
if decoder.unique_hash(filename) in self.songhashes_set:
msg = "%s already fingerprinted, continuing..." % filename
print msg
self.logger.info(msg)
#os.remove(filename)
continue
filenames_to_fingerprint.append(filename)
# Prepare _fingerprint_worker input
worker_input = zip(filenames_to_fingerprint,
[self.limit] * len(filenames_to_fingerprint))
# Send off our tasks
iterator = pool.imap_unordered(_fingerprint_worker, worker_input)
# Loop till we have all of them
while True:
try:
song_name, hashes, file_hash = iterator.next()
except multiprocessing.TimeoutError:
continue
except StopIteration:
break
except:
msg = "Failed fingerprinting"
print msg
self.logger.info(msg)
# Print traceback because we can't reraise it here
traceback.print_exc(file=sys.stdout)
else:
sid = self.db.insert_song(song_name, file_hash)
self.db.insert_repeat_hashes(sid, hashes)
self.db.set_song_fingerprinted(sid)
self.get_fingerprinted_songs()
for filename in filenames_to_fingerprint:
os.remove(filename)
pool.close()
pool.join()
def fingerprint_directory(self, path, extensions, nprocesses=None):
'''对音频进行编码，并存到数据库中，每个音频先分成声道，再对每个声道按照一节一节的编码
Args:
path: 音频的路径
extensions: 扩展名
nprocesses: 多进程的数量
'''
# Try to use the maximum amount of processes if not given.
try:
nprocesses = nprocesses or multiprocessing.cpu_count(
) # 返回当前系统有多少个cpu
except NotImplementedError:
nprocesses = 1
else:
nprocesses = 1 if nprocesses <= 0 else nprocesses
pool = multiprocessing.Pool(nprocesses) # 进程池
filenames_to_fingerprint = [] # 需要进行fingerprint的音频路径
for filename, _ in decoder.find_files(path, extensions):
# don't refingerprint already fingerprinted files
if decoder.unique_hash(
filename
) in self.songhashes_set: # 对当前音频进行sha1编码，然后和所有歌曲的sha1编码list对比，有则不重复编码
print("%s already fingerprinted, continuing..." % filename)
continue
filenames_to_fingerprint.append(filename)
# Prepare _fingerprint_worker input
# worker_input为要进行fingerprint的zip元组
worker_input = zip(
filenames_to_fingerprint, [self.limit] *
len(filenames_to_fingerprint)) # [None]*2==[None, None]
# Send off our tasks
# 每个多进程处理一首歌，进程数与cpu数相同，比如有5首歌，开了4个进程，这个4个进程处理完4首歌后，再从进程池里拿一个进程处理最后一首歌
iterator = pool.imap_unordered(
_fingerprint_worker, worker_input
) # imap_unordered和map类似，第一个参数是函数，第二个参数是迭代器，将迭代器中的数放到函数里执行
# Loop till we have all of them
while True:
try:
# _fingerprint_worker()对每个音频编码的结果
song_name, hashes, file_hash = iterator.next()
except multiprocessing.TimeoutError:
continue
except StopIteration:
break
except:
print("Failed fingerprinting")
# Print traceback because we can't reraise it here
traceback.print_exc(file=sys.stdout)
else:
# 这个地方就可以把song_name和file_hash和hashes存到文本给洪宁，不过还得看一下，他是怎么听歌识曲的
sid = self.db.insert_song(
song_name, file_hash) # 将音频name和使用sha1对音频编码存到song表里
self.db.insert_hashes(
sid,
hashes) # 将插入song表中对应的id和hashes存到fingerprint表中，这样sid就是外键
self.db.set_song_fingerprinted(
sid) # 将song表中用于标志一首歌的指纹被存到数据库中的属性，改为1
self.get_fingerprinted_songs()
pool.close()
pool.join()
