def aclips(self, translation, basenames, audiodir):
"""
creates Audio childs from a translation
@param string translation => translation of the original text
@param list basenames => list of basenames to be used in filename generation
@param string audiodir => full path to the directory where the audio file is located
@return list of Audio instances
"""
i = 0
tags = []
translation = messagehelper.stripparamtype(translation)
param = re.compile("\{\w+\}")
m = param.search(translation)
while m != None:
if m.start != 0:
text = translation[0 : m.start()].lstrip(" ").rstrip(" ")
if len(text) > 0:
tags.append((i, text))
i += 1
translation = translation[m.end() :].lstrip(" ").rstrip(" ")
m = param.search(translation)
if len(translation) > 0:
tags.append((i, translation))
al = []
for tag in tags:
if len(basenames) > 0:
al.append(Audio.Audio(tag[0], tag[1], basenames.pop(0), audiodir))
else:
al.append(Audio.Audio(tag[0], tag[1], None, audiodir))
return al
def exists(self,cursor,messageId):
"""
checks if instance already exist in database
@param object cursor => a cursor instance
@param integer messageId => the id of a Message instance
@return boolean
returns True if the instance already exist in the database and sets id to the value obtained from the database,
otherwise returns False
"""
text = unicode(messagehelper.stripparamtype(self.text),'utf-8)').encode('utf-8')
t = (messageId, text, self.language)
cursor.execute('SELECT rowid FROM messagetranslation WHERE message_id = ? AND translation = ? AND language = ?', t)
row = cursor.fetchone()
if not row == None:
self.id = row[0]
return True
return False
def insert(self, cursor, messageId):
"""
inserts the instance and its childs in a database if it does not already exist
@param object cursor => a cursor instance
@param interger messageId => the id of a Message instance
@return boolean
returns True and sets id to the value obtained from the database
"""
if not self.exists(cursor, messageId):
text = unicode(messagehelper.stripparamtype(self.text), "utf-8)").encode("latin1")
t = (messageId, text, self.language, self.tags(self.text))
cursor.execute("INSERT INTO messagetranslation VALUES (?, ?, ?, ?)", t)
self.id = cursor.lastrowid
for parameter in self.parameters:
parameter.insert(cursor, messageId)
for audioclip in self.audioclips:
audioclip.insert(cursor, self.id)
return True
def resample(self, destination, voice):
"""
invokes operation resample() for its audioclip
and returns False if operation failed, otherwise True
@param destination => path to destination folder
@param boolean/string voice => generate missing audio files using this espeak voice
"""
# create tags from key string
i = 0
tags = []
key = messagehelper.stripparamtype(self.key)
param = re.compile("\{\w+\}")
m = param.search(key)
while m != None:
if m.start != 0:
text = key[0 : m.start()].lstrip(" ").rstrip(" ")
if len(text) > 0:
tags.append((i, text))
i += 1
key = key[m.end() :].lstrip(" ").rstrip(" ")
m = param.search(key)
if len(key) > 0:
tags.append((i, key))
if len(tags) > 1 and len(self.audioclips) > 1:
sys.stderr.write("Error: key or translation can contain ONLY one tag\n")
sys.stderr.write(' key is: "' + self.key + '"\n')
sys.stderr.write(' translation is: "' + self.text + '"\n')
return False
result = True
tag = tags[0]
audioclip = self.audioclips[0]
filename = messagehelper.genfilename(tag[1], None, destination, "wav")
retval = audioclip.resample(filename, voice)
if retval != True:
sys.stderr.write(str(retval))
result = False
return result
def tags(self,translation):
"""
generates a tag representation from a translation
@param string translation => a translation string
@return string
"""
i = 0
tags = []
translation = messagehelper.stripparamtype(translation)
param = re.compile('\{\w+\}')
m = param.search(translation)
while m != None:
if m.start() != 0:
tags.append('[' + str(i) + ']')
i += 1
tags.append(translation[m.start():m.end()])
translation = translation[m.end():].lstrip(' ').rstrip(' ')
m = param.search(translation)
if len(translation) > 0: tags.append('[' + str(i) + ']')
return ' '.join(str(tag) for tag in tags)
