def parseSEED(self, data, expected_length=0):
"""
If number of FIR coefficients are larger than maximal blockette size of
9999 chars a follow up blockette with the same blockette id and
response lookup key is expected - this is checked here.
"""
# convert to stream for test issues
if isinstance(data, bytes):
expected_length = len(data)
data = io.BytesIO(data)
elif isinstance(data, (str, native_str)):
raise TypeError("Data must be bytes, not string")
# get current lookup key
pos = data.tell()
data.read(7)
global_lookup_key = int(data.read(4))
data.seek(pos)
# read first blockette
temp = io.BytesIO()
temp.write(data.read(expected_length))
# check next blockettes
while True:
# save position
pos = data.tell()
try:
blockette_id = int(data.read(3))
except ValueError:
break
if blockette_id != 41:
# different blockette id -> break
break
blockette_length = int(data.read(4))
lookup_key = int(data.read(4))
if lookup_key != global_lookup_key:
# different lookup key -> break
break
# ok follow up blockette found - skip some unneeded fields
self.fields[1].read(data)
self.fields[2].read(data)
self.fields[3].read(data)
self.fields[4].read(data)
self.fields[5].read(data)
# remaining length in current blockette
length = pos - data.tell() + blockette_length
# read follow up blockette and append it to temporary blockette
temp.write(data.read(length))
# reposition file pointer
data.seek(pos)
# parse new combined temporary blockette
temp.seek(0, os.SEEK_END)
_len = temp.tell()
temp.seek(0)
Blockette.parseSEED(self, temp, expected_length=_len)
def parseSEED(self, data, expected_length=0):
"""
If number of FIR coefficients are larger than maximal blockette size of
9999 chars a follow up blockette with the same blockette id and
response lookup key is expected - this is checked here.
"""
# convert to stream for test issues
if isinstance(data, bytes):
expected_length = len(data)
data = compatibility.BytesIO(data)
elif isinstance(data, (str, native_str)):
raise TypeError("Data must be bytes, not string")
# get current lookup key
pos = data.tell()
data.read(7)
global_lookup_key = int(data.read(4))
data.seek(pos)
# read first blockette
temp = compatibility.BytesIO()
temp.write(data.read(expected_length))
# check next blockettes
while True:
# save position
pos = data.tell()
try:
blockette_id = int(data.read(3))
except ValueError:
break
if blockette_id != 41:
# different blockette id -> break
break
blockette_length = int(data.read(4))
lookup_key = int(data.read(4))
if lookup_key != global_lookup_key:
# different lookup key -> break
break
# ok follow up blockette found - skip some unneeded fields
self.fields[1].read(data)
self.fields[2].read(data)
self.fields[3].read(data)
self.fields[4].read(data)
self.fields[5].read(data)
# remaining length in current blockette
length = pos - data.tell() + blockette_length
# read follow up blockette and append it to temporary blockette
temp.write(data.read(length))
# reposition file pointer
data.seek(pos)
# parse new combined temporary blockette
temp.seek(0, os.SEEK_END)
_len = temp.tell()
temp.seek(0)
Blockette.parseSEED(self, temp, expected_length=_len)
def getXML(self, *args, **kwargs):
xml = Blockette.getXML(self, *args, **kwargs)
if self.xseed_version == '1.0':
msg = 'The xsd-validation file for XML-SEED version 1.0 does ' + \
'not support Blockette 62. It will be written but ' + \
'please be aware that the file cannot be validated.\n' + \
'If you want to validate your file please use XSEED ' + \
'version 1.1.\n'
sys.stdout.write(msg)
return xml
def getXML(self, *args, **kwargs):
xml = Blockette.getXML(self, *args, **kwargs)
if self.xseed_version == '1.0':
msg = 'The xsd-validation file for XML-SEED version 1.0 does ' + \
'not support Blockette 62. It will be written but ' + \
'please be aware that the file cannot be validated.\n' + \
'If you want to validate your file please use XSEED ' + \
'version 1.1.\n'
sys.stdout.write(msg)
return xml
def getXML(self, *args, **kwargs):
xml = Blockette.getXML(self, *args, **kwargs)
if self.xseed_version == '1.0':
xml.find('FIR_coefficient').tag = 'fir_coefficient'
return xml
def parseXML(self, xml_doc, *args, **kwargs):
if self.xseed_version == '1.0':
xml_doc.find('fir_coefficient').tag = 'FIR_coefficient'
Blockette.parseXML(self, xml_doc, *args, **kwargs)
def getXML(self, *args, **kwargs):
xml = Blockette.getXML(self, *args, **kwargs)
if self.xseed_version == '1.0':
xml.tag = 'response_poles_and_zeros'
return xml
def getXML(self, *args, **kwargs):
xml = Blockette.getXML(self, *args, **kwargs)
if self.xseed_version == '1.0':
xml.tag = 'response_coefficients'
return xml
def getXML(self, *args, **kwargs):
xml = Blockette.getXML(self, *args, **kwargs)
if self.xseed_version == '1.0':
xml.tag = 'reponse_list'
return xml
def getXML(self, *args, **kwargs):
xml = Blockette.getXML(self, *args, **kwargs)
if self.xseed_version == '1.0':
xml.tag = 'response_poles_and_zeros'
return xml
def getXML(self, *args, **kwargs):
xml = Blockette.getXML(self, *args, **kwargs)
if self.xseed_version == '1.0':
xml.tag = 'response_coefficients'
return xml
def getXML(self, *args, **kwargs):
xml = Blockette.getXML(self, *args, **kwargs)
if self.xseed_version == "1.0":
xml.find("FIR_coefficient").tag = "fir_coefficient"
return xml
def parseXML(self, xml_doc, *args, **kwargs):
if self.xseed_version == "1.0":
xml_doc.find("fir_coefficient").tag = "FIR_coefficient"
Blockette.parseXML(self, xml_doc, *args, **kwargs)
def getXML(self, *args, **kwargs):
xml = Blockette.getXML(self, *args, **kwargs)
if self.xseed_version == '1.0':
xml.find('FIR_coefficient').tag = 'fir_coefficient'
return xml
def parseXML(self, xml_doc, *args, **kwargs):
if self.xseed_version == '1.0':
xml_doc.find('fir_coefficient').tag = 'FIR_coefficient'
Blockette.parseXML(self, xml_doc, *args, **kwargs)
