clean up the get_sizes function,
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Arturo Hernandez
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21
README.md
21
README.md
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@ -4,13 +4,26 @@ pyzk is an unofficial library of zksoftware the fingerprint attendance machine.
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# Installation
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[](https://travis-ci.org/fananimi/pyzk)
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[](https://travis-ci.org/kurenai-ryu/pyzk)
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`pip install pyzk`
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replace original pyzk, if it was installed
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`pip install -U git+https://github.com/kurenai-ryu/pyzk.git`
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or clone and execute:
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`python setup.py install`
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or in your project, append the path of this project
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```python
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import sys
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import os
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sys.path.insert(1,os.path.abspath("./pyzk"))
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from zk import ZK, const
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```
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# Documentation
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Complete documentation can be found at [Readthedocs](http://pyzk.readthedocs.io/en/latest/ "pyzk's readthedocs") .
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Complete documentation of the original project can be found at [Readthedocs](http://pyzk.readthedocs.io/en/latest/ "pyzk's readthedocs") .
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# Api Usage
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@ -207,7 +220,7 @@ optional arguments:
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-r, --records Get attendance records
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-u, --updatetime Update Date/Time
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-l, --live-capture Live Event Capture
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-o, --open-door Open door
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-o, --open-door Open door
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-D DELETEUSER, --deleteuser DELETEUSER
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Delete a User (uid)
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116
zk/base.py
116
zk/base.py
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@ -153,14 +153,14 @@ class ZK(object):
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MODIFIED now, without initial checksum
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'''
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#checksum = 0 always? for calculating
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buf = pack('HHHH', command, 0, session_id, reply_id) + command_string
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buf = pack('<4H', command, 0, session_id, reply_id) + command_string
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buf = unpack('8B' + '%sB' % len(command_string), buf)
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checksum = unpack('H', self.__create_checksum(buf))[0]
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reply_id += 1
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if reply_id >= const.USHRT_MAX:
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reply_id -= const.USHRT_MAX
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buf = pack('HHHH', command, checksum, session_id, reply_id)
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buf = pack('<4H', command, checksum, session_id, reply_id)
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return buf + command_string
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def __create_checksum(self, p):
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@ -212,12 +212,12 @@ class ZK(object):
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self.__tcp_length = self.__test_tcp_top(self.__tcp_data_recv)
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if self.__tcp_length == 0:
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raise ZKNetworkError("TCP Packet invalid")
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self.__header = unpack('HHHH', self.__tcp_data_recv[8:16])
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self.__header = unpack('<4H', self.__tcp_data_recv[8:16])
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self.__data_recv = self.__tcp_data_recv[8:] # dirty hack
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else:
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self.__sock.sendto(buf, self.__address)
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self.__data_recv = self.__sock.recv(response_size)
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self.__header = unpack('HHHH', self.__data_recv[:8])
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self.__header = unpack('<4H', self.__data_recv[:8])
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except Exception as e:
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raise ZKNetworkError(str(e))
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@ -296,7 +296,7 @@ class ZK(object):
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return d
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def __decode_timehex(self, timehex):
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"""timehex string of six bytes"""
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year, month, day, hour, minute, second = unpack("BBBBBB", timehex)
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year, month, day, hour, minute, second = unpack("6B", timehex)
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year += 2000
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d = datetime(year, month, day, hour, minute, second)
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return d
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@ -585,25 +585,25 @@ class ZK(object):
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cmd_response = self.__send_command(command,b'', response_size)
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if cmd_response.get('status'):
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if self.verbose: print(codecs.encode(self.__data,'hex'))
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size = len(self.__data)
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if size == 80:
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fields = unpack('iiiiiiiiiiiiiiiiiiii', self.__data)
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else: #92?
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fields = unpack('iiiiiiiiiiiiiiiiiiiiiii', self.__data[:92]) #dirty hack! we need more information
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self.users = fields[4]
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self.fingers = fields[6]
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self.records = fields[8]
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self.dummy = fields[10] #???
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self.cards = fields[12]
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self.fingers_cap = fields[14]
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self.users_cap = fields[15]
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self.rec_cap = fields[16]
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self.fingers_av = fields[17]
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self.users_av = fields[18]
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self.rec_av = fields[19]
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if len(fields) > 20:
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self.faces = fields[20]
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self.faces_cap = fields[22]
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size = len(self.__data)
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if len(self.__data) >= 80:
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fields = unpack('20i', self.__data[:80])
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self.users = fields[4]
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self.fingers = fields[6]
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self.records = fields[8]
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self.dummy = fields[10] #???
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self.cards = fields[12]
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self.fingers_cap = fields[14]
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self.users_cap = fields[15]
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self.rec_cap = fields[16]
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self.fingers_av = fields[17]
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self.users_av = fields[18]
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self.rec_av = fields[19]
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self.__data = self.__data[80:]
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if len(self.__data) >= 12: #face info
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fields = unpack('3i', self.__data[:12]) #dirty hack! we need more information
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self.faces = fields[0]
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self.faces_cap = fields[2]
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return True
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else:
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raise ZKErrorResponse("can't read sizes")
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@ -979,7 +979,7 @@ class ZK(object):
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return None
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recieved = len(data_recv)
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if self.verbose: print ("recieved {}, size {} rec {}".format(recieved, size, data_recv.encode('hex'))) #todo python3
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tcp_length = unpack('HHI', data_recv[:8])[2] #bytes+8
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tcp_length = unpack('<HHI', data_recv[:8])[2] #bytes+8
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if tcp_length < (bytes + 8):
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if self.verbose: print ("request chunk too big!")
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response = unpack('HHHH', data_recv[8:16])[0]
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@ -1005,7 +1005,7 @@ class ZK(object):
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data.append(data_recv) # w/o tcp and header
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bytes -= recieved
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data_recv = self.__sock.recv(16)
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response = unpack('HHHH', data_recv[8:16])[0]
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response = unpack('<4H', data_recv[8:16])[0]
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if response == const.CMD_ACK_OK:
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resp = b''.join(data)[:size-1] # testing
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if resp[-6:] == b'\x00\x00\x00\x00\x00\x00':
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@ -1020,7 +1020,7 @@ class ZK(object):
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size = bytes
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while True: #limitado por respuesta no por tamaño
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data_recv = self.__sock.recv(response_size)
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response = unpack('HHHH', data_recv[:8])[0]
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response = unpack('<4H', data_recv[:8])[0]
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if self.verbose: print("# packet response is: {}".format(response))
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if response == const.CMD_DATA:
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data.append(data_recv[8:]) #header turncated
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@ -1281,7 +1281,7 @@ class ZK(object):
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data = data_recv[16:]
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else:
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size = len(data_recv)
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header = unpack('HHHH', data_recv[:8])
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header = unpack('<4H', data_recv[:8])
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data = data_recv[8:]
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if not header[0] == const.CMD_REG_EVENT:
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if self.verbose: print("not event!")
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@ -1406,7 +1406,7 @@ class ZK(object):
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#else udp
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while True: #limitado por respuesta no por tamaño
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data_recv = self.__sock.recv(1024+8)
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response = unpack('HHHH', data_recv[:8])[0]
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response = unpack('<4H', data_recv[:8])[0]
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if self.verbose: print ("# packet response is: {}".format(response))
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if response == const.CMD_DATA:
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data.append(data_recv[8:]) #header turncated
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@ -1438,64 +1438,6 @@ class ZK(object):
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return data
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else:
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raise ZKErrorResponse("can't read chunk %i:[%i]" % (start, size))
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#------------------------------------------
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if not cmd_response.get('status'):
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raise ZKErrorResponse("can't read chunk %i:[%i]" % (start, size))
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#else
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if cmd_response.get('code') == const.CMD_DATA: # less than 1024!!!
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if self.verbose: print ("size was {} len is {}".format(size, len(self.__data)))
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return self.__data
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if cmd_response.get('code') == const.CMD_PREPARE_DATA:
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data = []
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bytes = self.__get_data_size() #TODO: check with size
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if self.verbose: print ("prepare data size is", bytes)
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if self.tcp:
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data_recv = self.__sock.recv(bytes + 32)
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recieved = len(data_recv)
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tcp_length = unpack('HHI', data_recv[:8])[2] #bytes+8
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if tcp_length < (bytes + 8):
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if self.verbose: print ("request chunk too big!")
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response = unpack('HHHH', data_recv[8:16])[0]
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if recieved >= (bytes + 32): #complete
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if response == const.CMD_DATA:
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resp = data_recv[16:bytes+16] # no ack?
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if self.verbose: print ("resp len", len(resp))
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return resp
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else:
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if self.verbose: print("broken packet!!!")
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return '' #broken
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else: # incomplete
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data.append(data_recv[16:]) # w/o tcp and header
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bytes -= recieved-16
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while bytes>0: #jic
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data_recv = self.__sock.recv(bytes) #ideal limit?
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recieved = len(data_recv)
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data.append(data_recv) # w/o tcp and header
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bytes -= recieved
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data_recv = self.__sock.recv(16)
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response = unpack('HHHH', data_recv[8:16])[0]
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if response == const.CMD_ACK_OK:
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return b''.join(data)
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#data_recv[bytes+16:].encode('hex') #included CMD_ACK_OK
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if self.verbose: print("bad response %s" % data_recv)
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if self.verbose: print (data)
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return ''
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#else udp
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while True: #limitado por respuesta no por tamaño
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data_recv = self.__sock.recv(response_size)
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response = unpack('HHHH', data_recv[:8])[0]
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if self.verbose: print ("# packet response is: {}".format(response))
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if response == const.CMD_DATA:
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data.append(data_recv[8:]) #header turncated
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bytes -= 1024 #UDP
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elif response == const.CMD_ACK_OK:
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break #without problem.
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else:
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#truncado! continuar?
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if self.verbose: print ("broken!")
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break
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if self.verbose: print ("still needs %s" % bytes)
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return b''.join(data)
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def read_with_buffer(self, command, fct=0 ,ext=0):
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""" Test read info with buffered command (ZK6: 1503) """
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