def dump_one(obj, define, tarPath):
"""called by dump_selected() below, dumps one django object into a
dump file.
obj is an object retrieved from django db.
each dumped object is a dictionary. of the form:
FieldName: [FieldType, FieldValue],
'define' is the object definition coming from dsh_dump_models.py.
it's a dictionary, of the form:
FieldName: [FieldType],
"""
errorMsg = ''
ans = '{\n'
for fieldName,specs in define.iteritems():
fieldType = specs[0]
errorMsg += dsh_utils.black_break_msg_debug(
'loop iteration: ' + fieldName + ' - ' + fieldType, 124)
try:
value = getattr(obj, fieldName)
except:
message = 'dsh_dump.dump_one: exception: ' + fieldName + '. '
dsh_django_utils.error_event(message, errorLevel='CRT')
errorMsg += dsh_utils.red_error_break_msg(message)
continue
if fieldType == 'StrType':
if not value:
continue
#
# escape the double quote character.
#
value = value.replace('"', '\\"')
oneField = " '%s': ['%s', \"\"\"%s\"\"\"],\n" % \
(fieldName, fieldType, value)
ans += oneField
continue
if fieldType == 'BoolType':
oneField = " '%s': ['%s', %s],\n" % \
(fieldName, fieldType, repr(value))
ans += oneField
continue
if fieldType == 'IntType':
oneField = " '%s': ['%s', %s],\n" % \
(fieldName, fieldType, str(value))
ans += oneField
continue
if fieldType == 'DateType':
if not value:
continue
oneField = " '%s': ['%s', %s],\n" % \
(fieldName, fieldType, repr(value))
ans += oneField
continue
if fieldType == 'FileType':
if not value:
continue
dumpFileName = dsh_agi.abs_url_to_relative(value.url)
dsh_django_utils.debug_event(
'dsh_dump.dump_one: url: ' + dumpFileName, 8)
dsh_django_utils.debug_event(
'dsh_dump.dump_one: tarPath: ' + tarPath, 8)
success,tarMsg = add_to_tar(dumpFileName, tarPath)
errorMsg += tarMsg
if success:
errorMsg += dsh_utils.black_break_msg(
'tar: ' + tarPath + \
' « ' + \
dumpFileName)
else:
errorMsg += dsh_utils.red_error_break_msg(
'tar command failed on: ' + dumpFileName)
continue
oneField = " '%s': ['%s', \"\"\"%s\"\"\"],\n" % \
(fieldName, fieldType, dumpFileName)
ans += oneField
continue
if fieldType == 'RequiredForeignOrgType' or \
fieldType == 'RequiredForeignPersonType':
if not value:
errorMsg += dsh_utils.red_error_break_msg(
'missing required foreign org. or person.')
continue
foreignDshUid = value.dsh_uid
oneField = " '%s': ['%s', \"\"\"%s\"\"\"],\n" % \
(fieldName, fieldType, foreignDshUid)
ans += oneField
continue
if fieldType == 'OptionalFollowUpsType' or \
fieldType == 'OptionalOwnerType':
#
# like the above, except it's optional.
# so if it's blank, we don't freak out.
#
if not value:
continue
foreignDshUid = value.dsh_uid
oneField = " '%s': ['%s', \"\"\"%s\"\"\"],\n" % \
(fieldName, fieldType, foreignDshUid)
ans += oneField
continue
if fieldType == 'OptionalKeyWordsType' or \
fieldType == 'OptionalPersonsType':
#
# the intended_audience field can be dealt with like this too.
#
if not value:
continue
dshUidList = get_dsh_uid_list(value)
if not dshUidList:
continue
oneField = " '%s': ['%s', %s],\n" % \
(fieldName, fieldType, repr(dshUidList))
ans += oneField
continue
errorMsg += dsh_utils.red_error_break_msg(
'unknown field type: ' + fieldType)
ans += '}'
return (ans, errorMsg)
def hangup_signal_handler(signum, frame):
"""attempt to do file format conversion upon a hangup.
from .wav to .mp3.
after conversion, we put it in the django database."""
dsh_utils.db_print2('dsh_django1.signal_handler: entered...', 101)
#
# get the name of the file that was just recorded.
#
if not globals4signal.has_key('in_file'):
dsh_utils.give_news('dsh_django1.hangup_signal_handler: ' +
'hangup before recording.', logging.info)
sys_exit(0)
inputFile = globals4signal['in_file']
#
# the recorded format is wav? if not, we don't convert.
#
fileFormat = dsh_config.lookup('record_file_format')
if fileFormat != 'wav':
message = 'dsh_django1.hangup_signal_handler: ' + \
"can't convert non-wav file: " + inputFile
dsh_utils.give_bad_news(message, logging.error)
dsh_agi.report_event(message, reportLevel='ERR')
sys_exit(1)
#
# does the .wav file exist and is it non-zero sized?
#
inputWav = inputFile + '.wav'
success,bytes = dsh_utils.get_file_size(inputWav)
if not success:
message = 'dsh_django1.hangup_signal_handler: ' + \
'no input file to convert: ' + \
inputWav
dsh_utils.give_news(message, logging.info)
#
# looks like we could get this far even if there's
# a hangup before record. that's because the
# signal doesn't seem to be delivered fast enough.
# so globals4signal['in_file'] gets set anyhow.
#
#dsh_agi.report_event(message, reportLevel='ERR')
sys_exit(1)
if bytes == 0:
message = 'dsh_django1.hangup_signal_handler: ' + \
'inputfile size 0: ' + inputWav
dsh_utils.give_news(message, logging.info)
dsh_agi.report_event(message, reportLevel='WRN')
sys_exit(1)
dsh_utils.db_print2('dsh_django1.signal_handler: ready to convert: ' +
inputWav, 101)
#
# where's the lame binary?
#
lamePath = dsh_config.lookup('lame_location')
if not dsh_utils.is_valid_file(lamePath,
msg='dsh_django1.hangup_signal_handler:'):
message = 'dsh_django1.hangup_signal_handler: ' + \
'need to install lame.'
dsh_utils.give_bad_news(message, logging.error)
dsh_agi.report_event(message, reportLevel='CRT')
sys_exit(1)
#
# stdout and stderr redirected to the log directory.
#
stdLogs = dsh_bizarro.stdio_logs_open(globals4signal['log_dir'])
if not stdLogs:
sys_exit(1)
stdout,stderr = stdLogs
#
# the conversion command should be:
# lame --resample 22.05 -b 24 test.wav test4.mp3
#
mp3Quality = dsh_config.lookup('lame_mp3_quality')
outputMp3 = inputFile + '.mp3'
#command = ffmpegPath + ' -i ' + inputWav + mp3Quality + outputMp3
command = lamePath + mp3Quality + inputWav + ' ' + outputMp3
try:
ret = subprocess.call(command, shell=True,
stdout=stdout, stderr=stderr)
except:
ret = -1
if ret != 0:
message = 'dsh_django1.signal_handler: ' + \
'error in format conversion: ' + \
command
dsh_utils.give_bad_news(message, logging.error)
dsh_agi.report_event(message, reportLevel='CRT')
sys_exit(1)
dsh_utils.give_news('dsh_django1.signal_handler: conversion success: ' +
command, logging.info)
dsh_utils.chmod_tree2(outputMp3, recurse=False)
if not dsh_utils.cleanup_path(inputWav, 'dsh_django1.signal_handler'):
message = 'dsh_django1.signal_handler: ' + \
'failed to remove original wav: ' + \
inputWav
dsh_utils.give_bad_news(message, logging.warning)
dsh_agi.report_event(message, reportLevel='WRN')
#
# calculate some more fields for saving in the database.
#
callDur,recDur = calculate_durations()
dsh_utils.db_print2('dsh_django1.signal_handler: durations are: ' +
str(callDur) + ', ' + str(recDur), 101)
#
# dirPrefix is: /u/rywang/phone_data/django/
# chop that off.
# so what's left is: /media/voice/09/07/090729_215817_85983050_08935237794_unknown-org_no-name.mp3
# no, need to chop of '/media/' as well!
# otherwise deletes don't work!
#
dirPrefix = dsh_config.lookup('PHONE_DATA_DJANGO_PATH')
choppedFileName = outputMp3.replace(dirPrefix, '/')
#chopAbsURLPrefix = dsh_config.lookup('ABS_URL_PREFIX_CHOP')
#choppedFileName = choppedFileName.replace(chopAbsURLPrefix, '')
choppedFileName = dsh_agi.abs_url_to_relative(choppedFileName)
dsh_utils.db_print2('dsh_django1.signal_handler: choppedFileName is: '+\
choppedFileName, 105)
#
# FINALLY save the object in the django database!
#
item = globals4signal['db_in_obj']
item.file = choppedFileName
item.call_duration = callDur
item.rec_duration = recDur
try:
item.save()
dsh_utils.db_print2('dsh_django1.signal_handler: item saved: ' +
choppedFileName, 101)
except:
message = 'dsh_django1.signal_handler: saving in django failed: ' + \
choppedFileName, 101
dsh_utils.give_bad_news(message, logging.critical)
dsh_agi.report_event(message, reportLevel='CRT')
sys_exit(1)
#
# no point continuing execution after hangup.
#
sys_exit(0)
