def read(deviceFile, mountingPoint, fileToBurn):
"""Lê o MD5 CRC do arquivo local fileToBurn e do arquivo gravado e armazena o resultado da comparação entre eles em __readStatus"""
executor = ApplicationExecutor()
result = False
outputStr, errorStr, returnCode = executor.executeCommandAndWait(
True, None, "mount %s %s" % (deviceFile, mountingPoint)
)
if returnCode == 0:
outputStr1, errorStr1, returnCode1 = executor.executeCommandAndWait(
False, None, ["md5sum", "%s" % fileToBurn], ["awk", "{print $1}"]
)
outputStr2, errorStr2, returnCode2 = executor.executeCommandAndWait(
False, None, ["md5sum", "%s/%s" % (mountingPoint, fileToBurn.split("/")[-1])], ["awk", "{print $1}"]
)
outputStr3, errorStr3, returnCode3 = executor.executeCommandAndWait(True, None, "umount %s" % deviceFile)
originalMD5 = outputStr1.rstrip()
burnedMD5 = outputStr2.rstrip()
result = (returnCode1 == 0) and (returnCode2 == 0) and (originalMD5 == burnedMD5)
return result
def isEmpty(deviceFile):
"""Funcao que verifica se a midia inserida no dispositivo 'deviceFile' esta vazia."""
cmd0 = ['cdrecord', '-media-info', 'dev=%s' % deviceFile, '2>', '/dev/null']
cmd1 = ['grep', 'disk status:']
cmd2 = ['awk', '{print $3}']
o_str, e_str, ret_code = ApplicationExecutor().executeCommandAndWait(False, None, cmd0, cmd1, cmd2)
ret = (ret_code == 0) and (o_str.rstrip() == "empty")
return ret
def isEmpty(deviceFile):
"""Funcao que verifica se a midia inserida no dispositivo 'deviceFile' esta vazia."""
cmd0 = ["cdrecord", "-media-info", "dev=%s" % deviceFile, "2>", "/dev/null"]
cmd1 = ["grep", "disk status:"]
cmd2 = ["awk", "{print $3}"]
o_str, e_str, ret_code = ApplicationExecutor().executeCommandAndWait(False, None, cmd0, cmd1, cmd2)
ret = (ret_code == 0) and (o_str.rstrip() == "empty")
return ret
def getMediaInfo(deviceFile):
"""
Verifica qual o tipo de mídia inserida no dispositivo deviceFile
Este método retorna um dicionario com as chaves 'Type', 'Rewritable' e 'Empty',
onde Type é 'CD', 'DVD' ou None, Rewritable é um booleano, indicando se a mídia é
regravável e Empty é outro booleano, indicando se a mídia esta vazia.
"""
# Current: CD-RW
# Current: DVD-R sequential recording
# Current: DVD-RW sequential recording
mediaType = None
rewritable = False
empty = False
cmd0 = ["cdrecord", "-prcap", "dev=%s" % deviceFile]
cmd1 = ["grep", "Current:"]
cmd2 = ["awk", "{print $2}"]
o_str, e_str, ret_code = ApplicationExecutor().executeCommandAndWait(False, None, cmd0, cmd1, cmd2)
if ret_code == 0:
o_str = o_str.rstrip()
knownMedia = False
if o_str in ["CD-R", "CD-RW", "DVD-R", "DVD+R", "DVD-RW", "DVD+RW"]:
knownMedia = True
rewritable = False
if o_str.__contains__("RW"):
rewritable = True
else:
print "ERRO : Tipo de midia desconhecido (%s)" % o_str
if knownMedia:
split_char = "-"
if o_str.__contains__("+"):
split_char = "+"
mediaType = o_str.split(split_char)[0]
if mediaType:
empty = isEmpty(deviceFile)
return {"Type": mediaType, "Rewritable": rewritable, "Empty": empty}
def formatMedia(deviceFile, media): """Formata a mídia no dispositivo""" outputStr = None errorStr = None returnCode = None if (media['Type'] == 'DVD'): outputStr, errorStr, returnCode = ApplicationExecutor().executeCommandAndWait(True, None, "dvd+rw-format -force %s" % deviceFile) elif (media['Type'] == 'CD'): outputStr, errorStr, returnCode = ApplicationExecutor().executeCommandAndWait(True, None, "cdrecord -v gracetime=2 dev=%s blank=fast -force" % deviceFile) else: print "ERRO : Tipo de midia desconhecido" return (returnCode == 0)
def burn(deviceFile, tempDir, fileToBurn, media):
"""Grava o arquivo fileToBurn na mídia inserida"""
outputStr = None
errorStr = None
returnCode = None
createBurnFileCmd = __file__.split("/")
del (createBurnFileCmd[-1])
createBurnFileCmd.append("create_burn_file.sh")
createBurnFileCmd = "/".join(createBurnFileCmd)
createBurnFileCmd = "/bin/sh " + createBurnFileCmd
executor = ApplicationExecutor()
outputStr, errorStr, returnCode = executor.executeCommandAndWait(True, None, createBurnFileCmd)
if returnCode == 0:
if media["Type"] == "DVD":
outputStr, errorStr, returnCode = executor.executeCommandAndWait(
True,
None,
"growisofs -dvd-compat -input-charset=ISO-8859-1 -Z %s -R -J -pad %s" % (deviceFile, fileToBurn),
)
elif media["Type"] == "CD":
outputStr, errorStr, returnCode = executor.executeCommandAndWait(
True,
None,
"mkisofs -r -R -J -l -L -allow-multidot -o %s/ldc_tmp.iso -graft-points %s=%s"
% (tempDir, fileToBurn, fileToBurn),
)
outputStr, errorStr, returnCode = executor.executeCommandAndWait(
True, None, "cdrecord dev=%s -v --eject speed=4" % deviceFile
)
else:
print "ERRO : Tipo de midia desconhecido"
return returnCode == 0
def burn(deviceFile, tempDir, fileToBurn, media):
"""Grava o arquivo fileToBurn na mídia inserida"""
outputStr = None
errorStr = None
returnCode = None
createBurnFileCmd = __file__.split("/")
del(createBurnFileCmd[-1])
createBurnFileCmd.append("create_burn_file.sh")
createBurnFileCmd = "/".join(createBurnFileCmd)
createBurnFileCmd = "/bin/sh " + createBurnFileCmd
executor = ApplicationExecutor()
outputStr, errorStr, returnCode = executor.executeCommandAndWait(True, None, createBurnFileCmd)
if (returnCode == 0):
if (media['Type'] == 'DVD'):
outputStr, errorStr, returnCode = executor.executeCommandAndWait(True, None, "growisofs -dvd-compat -input-charset=ISO-8859-1 -Z %s -R -J -pad %s" % (deviceFile, fileToBurn))
elif (media['Type'] == 'CD'):
outputStr, errorStr, returnCode = executor.executeCommandAndWait(True, None, "mkisofs -r -R -J -l -L -allow-multidot -o %s/ldc_tmp.iso -graft-points %s=%s" % (tempDir, fileToBurn, fileToBurn))
outputStr, errorStr, returnCode = executor.executeCommandAndWait(True, None, "cdrecord dev=%s -v --eject speed=4" % deviceFile)
else:
print "ERRO : Tipo de midia desconhecido"
return (returnCode == 0)
def getMediaInfo(deviceFile):
"""
Verifica qual o tipo de mídia inserida no dispositivo deviceFile
Este método retorna um dicionario com as chaves 'Type', 'Rewritable' e 'Empty',
onde Type é 'CD', 'DVD' ou None, Rewritable é um booleano, indicando se a mídia é
regravável e Empty é outro booleano, indicando se a mídia esta vazia.
"""
# Current: CD-RW
# Current: DVD-R sequential recording
# Current: DVD-RW sequential recording
mediaType = None
rewritable = False
empty = False
cmd0 = ['cdrecord', '-prcap', 'dev=%s' % deviceFile]
cmd1 = ['grep', 'Current:']
cmd2 = ['awk', '{print $2}']
o_str, e_str, ret_code = ApplicationExecutor().executeCommandAndWait(False, None, cmd0, cmd1, cmd2)
if (ret_code == 0):
o_str = o_str.rstrip()
knownMedia = False
if (o_str in ['CD-R', 'CD-RW', 'DVD-R', 'DVD+R', 'DVD-RW', 'DVD+RW']):
knownMedia = True
rewritable = False
if (o_str.__contains__("RW")):
rewritable = True
else:
print "ERRO : Tipo de midia desconhecido (%s)" % o_str
if (knownMedia):
split_char = "-"
if (o_str.__contains__("+")):
split_char = "+"
mediaType = o_str.split(split_char)[0]
if (mediaType):
empty = isEmpty(deviceFile)
return {'Type': mediaType, 'Rewritable': rewritable, 'Empty': empty}
def __init__(self, parent, info, expectedMedia): """ parent - Objeto pai. deviceFile - Endereço do dispositivo a ser testado. Ex: /dev/hdc expectedMedia - Dicionario que representa o tipo de mídia esperado, no dispositivo, para gravação. info - Instancia contendo as informacoes do dispositivo. """ QtGui.QWizard.__init__(self, parent) Ui_WizardDiagDVDCD.__init__(self) self.setupUi(self) self.__executor = ApplicationExecutor() self.__info = info self.__deviceFile = info.deviceFile self.__expectedMedia = expectedMedia self.__backButton = self.button(QtGui.QWizard.BackButton); self.__nextButton = self.button(QtGui.QWizard.NextButton); self.__cancelButton = self.button(QtGui.QWizard.CancelButton); self.__finishButton = self.button(QtGui.QWizard.FinishButton); self.__adjusts()
def read(deviceFile, mountingPoint, fileToBurn):
"""Lê o MD5 CRC do arquivo local fileToBurn e do arquivo gravado e armazena o resultado da comparação entre eles em __readStatus"""
executor = ApplicationExecutor()
result = False
outputStr, errorStr, returnCode = executor.executeCommandAndWait(True, None, "mount %s %s" % (deviceFile, mountingPoint))
if (returnCode == 0):
outputStr1, errorStr1, returnCode1 = executor.executeCommandAndWait(False, None, ['md5sum', "%s" % fileToBurn], ['awk', '{print $1}'])
outputStr2, errorStr2, returnCode2 = executor.executeCommandAndWait(False, None, ['md5sum', "%s/%s" % (mountingPoint, fileToBurn.split("/")[-1])], ['awk', '{print $1}'])
outputStr3, errorStr3, returnCode3 = executor.executeCommandAndWait(True, None, "umount %s" % deviceFile)
originalMD5 = outputStr1.rstrip()
burnedMD5 = outputStr2.rstrip()
result = (returnCode1 == 0) and (returnCode2 == 0) and (originalMD5 == burnedMD5)
return result
def closeTray(deviceFile): """Utiliza a aplicação eject para fechar a gaveta do DVD/CD especificado por deviceFile""" outputStr, errorStr, returnCode = ApplicationExecutor().executeCommandAndWait(True, None, "cdrecord -load dev=%s" % deviceFile) return returnCode
