本文整理汇总了Python中util.int2byte函数的典型用法代码示例。如果您正苦于以下问题：Python int2byte函数的具体用法？Python int2byte怎么用？Python int2byte使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了int2byte函数的17个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。
示例1: _execute_command
def _execute_command(self, command, sql):
# if not self.socket:
# raise InterfaceError("(0, '')")
# If the last query was unbuffered, make sure it finishes before
# sending new commands
if self._result is not None and self._result.unbuffered_active:
self._result._finish_unbuffered_query()
if isinstance(sql, text_type):
sql = sql.encode(self.encoding)
chunk_size = min(MAX_PACKET_LEN, len(sql) + 1) # +1 is for command
prelude = struct.pack("<i", chunk_size) + int2byte(command)
yield self.stream.write(prelude + sql[: chunk_size - 1])
if DEBUG:
dump_packet(prelude + sql)
if chunk_size < MAX_PACKET_LEN:
raise Return()
seq_id = 1
sql = sql[chunk_size - 1 :]
while True:
chunk_size = min(MAX_PACKET_LEN, len(sql))
prelude = struct.pack("<i", chunk_size)[:3]
data = prelude + int2byte(seq_id % 256) + sql[:chunk_size]
yield self.stream.write(data)
if DEBUG:
dump_packet(data)
sql = sql[chunk_size:]
if not sql and chunk_size < MAX_PACKET_LEN:
break
seq_id += 1
开发者ID:roson9527，项目名称:AsyncTorndb，代码行数:35，代码来源:connections.py
示例2: _get_server_information
def _get_server_information(self):
i = 0
packet = MysqlPacket(self)
data = packet.get_all_data()
if DEBUG: dump_packet(data)
#packet_len = byte2int(data[i:i+1])
#i += 4
self.protocol_version = byte2int(data[i:i+1])
i += 1
server_end = data.find(int2byte(0), i)
# TODO: is this the correct charset? should it be default_charset?
self.server_version = data[i:server_end].decode(self.charset)
i = server_end + 1
self.server_thread_id = struct.unpack('<h', data[i:i+2])
i += 4
self.salt = data[i:i+8]
i += 9
if len(data) >= i + 1:
i += 1
self.server_capabilities = struct.unpack('<h', data[i:i+2])[0]
i += 1
self.server_language = byte2int(data[i:i+1])
self.server_charset = charset_by_id(self.server_language).name
i += 16
if len(data) >= i+12-1:
rest_salt = data[i:i+12]
self.salt += rest_salt
开发者ID:Webs961，项目名称:PyMySQL，代码行数:35，代码来源:connections.py
示例3: _scramble_323
def _scramble_323(password, message):
hash_pass = _hash_password_323(password)
hash_message = _hash_password_323(message[:SCRAMBLE_LENGTH_323])
hash_pass_n = struct.unpack(">LL", hash_pass)
hash_message_n = struct.unpack(">LL", hash_message)
rand_st = RandStruct_323(hash_pass_n[0] ^ hash_message_n[0], hash_pass_n[1] ^ hash_message_n[1])
outbuf = io.BytesIO()
for _ in range_type(min(SCRAMBLE_LENGTH_323, len(message))):
outbuf.write(int2byte(int(rand_st.my_rnd() * 31) + 64))
extra = int2byte(int(rand_st.my_rnd() * 31))
out = outbuf.getvalue()
outbuf = io.BytesIO()
for c in out:
outbuf.write(int2byte(byte2int(c) ^ byte2int(extra)))
return outbuf.getvalue()
开发者ID:roson9527，项目名称:AsyncTorndb，代码行数:16，代码来源:connections.py
示例4: close
def close(self):
''' Send the quit message and close the socket '''
send_data = struct.pack('<i',1) + int2byte(COM_QUIT)
#self.socket.send(send_data) # JAWBONE - OLD - PREFER SENDALL
self.socket.sendall(send_data) # JAWBONE - NEW - PREFER SENDALL
self.socket.close()
self.socket = None
开发者ID:flymio，项目名称:hammer，代码行数:7，代码来源:connections.py
示例5: __recv_packet
def __recv_packet(self, socket):
"""Parse the packet header and read entire packet payload into buffer."""
packet_header = socket.recv(4)
while len(packet_header) < 4:
d = socket.recv(4 - len(packet_header))
if len(d) == 0:
raise OperationalError(2013, "Lost connection to MySQL server during query")
packet_header += d
if DEBUG: dump_packet(packet_header)
packet_length_bin = packet_header[:3]
self.__packet_number = byte2int(packet_header[3])
# TODO: check packet_num is correct (+1 from last packet)
bin_length = packet_length_bin + int2byte(0) # pad little-endian number
bytes_to_read = struct.unpack('<I', bin_length)[0]
payload_buff = [] # this is faster than cStringIO
while bytes_to_read > 0:
recv_data = socket.recv(bytes_to_read)
if len(recv_data) == 0:
raise OperationalError(2013, "Lost connection to MySQL server during query")
if DEBUG: dump_packet(recv_data)
payload_buff.append(recv_data)
bytes_to_read -= len(recv_data)
self.__data = join_bytes(payload_buff)
开发者ID:flymio，项目名称:hammer，代码行数:26，代码来源:connections.py
示例6: close
def close(self):
''' Send the quit message and close the socket '''
send_data = struct.pack('<i',1) + int2byte(COM_QUIT)
self.wfile.write(send_data)
self.rfile.close()
self.wfile.close()
self.socket.close()
self.socket = None
self.rfile = None
self.wfile = None
开发者ID:Alwnikrotikz，项目名称:pymysql，代码行数:10，代码来源:connections.py
示例7: _send_command
def _send_command(self, command, sql):
#send_data = struct.pack('<i', len(sql) + 1) + command + sql
# could probably be more efficient, at least it's correct
if not self.socket:
self.errorhandler(None, InterfaceError, "(0, '')")
if isinstance(sql, unicode):
sql = sql.encode(self.charset)
buf = int2byte(command) + sql
pckt_no = 0
while len(buf) >= MAX_PACKET_LENGTH:
header = struct.pack('<i', MAX_PACKET_LENGTH)[:-1]+int2byte(pckt_no)
send_data = header + buf[:MAX_PACKET_LENGTH]
self.socket.send(send_data)
if DEBUG: dump_packet(send_data)
buf = buf[MAX_PACKET_LENGTH:]
pckt_no += 1
header = struct.pack('<i', len(buf))[:-1]+int2byte(pckt_no)
self.socket.send(header+buf)
开发者ID:AftabiPhone，项目名称:Inventariofmo，代码行数:20，代码来源:connections.py
示例8: _scramble
def _scramble(password, message):
if password == None or len(password) == 0:
return int2byte(0)
if DEBUG: print 'password=' + password
stage1 = sha_new(password).digest()
stage2 = sha_new(stage1).digest()
s = sha_new()
s.update(message)
s.update(stage2)
result = s.digest()
return _my_crypt(result, stage1)
开发者ID:Webs961，项目名称:PyMySQL，代码行数:11，代码来源:connections.py
示例9: close
def close(self):
""" Send the quit message and close the socket """
if self.stream.closed():
raise Error("Already closed")
send_data = struct.pack("<i", 1) + int2byte(COM_QUIT)
try:
yield self.stream.write(send_data)
except Exception:
pass
finally:
self.stream.close()
self.stream = None
开发者ID:roson9527，项目名称:AsyncTorndb，代码行数:12，代码来源:connections.py
示例10: close
def close(self):
''' Send the quit message and close the socket '''
if self.socket is None:
raise Error("Already closed")
send_data = struct.pack('<i',1) + int2byte(COM_QUIT)
self.wfile.write(send_data)
self.wfile.close()
self.rfile.close()
self.socket.close()
self.socket = None
self.rfile = None
self.wfile = None
开发者ID:Webs961，项目名称:PyMySQL，代码行数:12，代码来源:connections.py
示例11: _send_command
def _send_command(self, command, sql):
#send_data = struct.pack('<i', len(sql) + 1) + command + sql
# could probably be more efficient, at least it's correct
if not self.socket:
self.errorhandler(None, InterfaceError, "(0, '')")
if isinstance(sql, unicode):
sql = sql.encode(self.charset)
prelude = struct.pack('<i', len(sql)+1) + int2byte(command)
self.wfile.write(prelude + sql)
self.wfile.flush()
if DEBUG: dump_packet(prelude + sql)
开发者ID:BillTheBest，项目名称:CloudStack，代码行数:13，代码来源:connections.py
示例12: _get_server_information
def _get_server_information(self):
i = 0
packet = MysqlPacket(self)
yield packet.recv_packet()
packet.check_error()
data = packet.get_all_data()
if DEBUG:
dump_packet(data)
self.protocol_version = byte2int(data[i : i + 1])
i += 1
server_end = data.find(int2byte(0), i)
self.server_version = data[i:server_end].decode("latin1")
i = server_end + 1
self.server_thread_id = struct.unpack("<I", data[i : i + 4])
i += 4
self.salt = data[i : i + 8]
i += 9 # 8 + 1(filler)
self.server_capabilities = struct.unpack("<H", data[i : i + 2])[0]
i += 2
if len(data) >= i + 6:
lang, stat, cap_h, salt_len = struct.unpack("<BHHB", data[i : i + 6])
i += 6
self.server_language = lang
self.server_charset = charset_by_id(lang).name
self.server_status = stat
if DEBUG:
print("server_status: %x" % stat)
self.server_capabilities |= cap_h << 16
if DEBUG:
print("salt_len:", salt_len)
salt_len = max(12, salt_len - 9)
# reserved
i += 10
if len(data) >= i + salt_len:
self.salt += data[i : i + salt_len] # salt_len includes auth_plugin_data_part_1 and filler
开发者ID:roson9527，项目名称:AsyncTorndb，代码行数:45，代码来源:connections.py
示例13: _send_command
def _send_command(self, command, sql):
#send_data = struct.pack('<i', len(sql) + 1) + command + sql
# could probably be more efficient, at least it's correct
if not self.socket:
self.errorhandler(None, InterfaceError, "(0, '')")
# If the last query was unbuffered, make sure it finishes before
# sending new commands
if self._result is not None and self._result.unbuffered_active:
self._result._finish_unbuffered_query()
if isinstance(sql, unicode):
sql = sql.encode(self.charset)
prelude = struct.pack('<i', len(sql)+1) + int2byte(command)
self.wfile.write(prelude + sql)
self.wfile.flush()
if DEBUG: dump_packet(prelude + sql)
开发者ID:Webs961，项目名称:PyMySQL，代码行数:18，代码来源:connections.py
示例14: __recv_packet
def __recv_packet(self):
"""Parse the packet header and read entire packet payload into buffer."""
packet_header = self.connection.rfile.read(4)
if len(packet_header) < 4:
raise OperationalError(2013, "Lost connection to MySQL server during query")
if DEBUG: dump_packet(packet_header)
packet_length_bin = packet_header[:3]
self.__packet_number = byte2int(packet_header[3])
# TODO: check packet_num is correct (+1 from last packet)
bin_length = packet_length_bin + int2byte(0) # pad little-endian number
bytes_to_read = struct.unpack('<I', bin_length)[0]
recv_data = self.connection.rfile.read(bytes_to_read)
if len(recv_data) < bytes_to_read:
raise OperationalError(2013, "Lost connection to MySQL server during query")
if DEBUG: dump_packet(recv_data)
self.__data = recv_data
开发者ID:Webs961，项目名称:PyMySQL，代码行数:18，代码来源:connections.py
示例15: _send_command
def _send_command(self, command, sql):
#send_data = struct.pack('<i', len(sql) + 1) + command + sql
# could probably be more efficient, at least it's correct
if not self.socket:
self.errorhandler(None, InterfaceError, "(0, '')")
if isinstance(sql, unicode):
sql = sql.encode(self.charset)
prelude = struct.pack('<i', len(sql)+1) + int2byte(command)
if len(sql) <= (MAX_PACKET_LENGTH-5):
#self.socket.send(prelude + sql) # JAWBONE - OLD - PREFER SENDALL
self.socket.sendall(prelude + sql) # JAWBONE - NEW - PREFER SENDALL
if DEBUG: dump_packet(prelude + sql)
else:
#self.socket.send(prelude) # JAWBONE - OLD - PREFER SENDALL
self.socket.sendall(prelude) # JAWBONE - OLD - PREFER SENDALL
if DEBUG: dump_packet(send_data)
while len(sql) > MAX_PACKET_LENGTH:
self.socket.sendall(sql[:MAX_PACKET_LENGTH])
if DEBUG: dump_packet(sql[:MAX_PACKET_LENGTH])
sql = sql[MAX_PACKET_LENGTH:]
if len(sql) > 0:
self.socket.sendall(sql)
开发者ID:flymio，项目名称:hammer，代码行数:24，代码来源:connections.py
示例16: _request_authentication
def _request_authentication(self):
self.client_flag |= CAPABILITIES
if self.server_version.startswith("5"):
self.client_flag |= MULTI_RESULTS
if self.user is None:
raise ValueError("Did not specify a username")
charset_id = charset_by_name(self.charset).id
if isinstance(self.user, text_type):
self.user = self.user.encode(self.encoding)
data_init = struct.pack("<i", self.client_flag) + struct.pack("<I", 1) + int2byte(charset_id) + int2byte(0) * 23
next_packet = 1
if self.ssl:
data = pack_int24(len(data_init)) + int2byte(next_packet) + data_init
next_packet += 1
if DEBUG:
dump_packet(data)
yield self.stream.write(data)
self.socket = ssl.wrap_socket(
self.socket,
keyfile=self.key,
certfile=self.cert,
ssl_version=ssl.PROTOCOL_TLSv1,
cert_reqs=ssl.CERT_REQUIRED,
ca_certs=self.ca,
)
self._rfile = _makefile(self.socket, "rb")
data = data_init + self.user + b"\0" + _scramble(self.password.encode("latin1"), self.salt)
if self.db:
if isinstance(self.db, text_type):
self.db = self.db.encode(self.encoding)
data += self.db + int2byte(0)
data = pack_int24(len(data)) + int2byte(next_packet) + data
next_packet += 2
if DEBUG:
dump_packet(data)
yield self.stream.write(data)
auth_packet = MysqlPacket(self)
yield auth_packet.recv_packet()
auth_packet.check_error()
if DEBUG:
auth_packet.dump()
# if old_passwords is enabled the packet will be 1 byte long and
# have the octet 254
if auth_packet.is_eof_packet():
# send legacy handshake
data = _scramble_323(self.password.encode("latin1"), self.salt) + b"\0"
data = pack_int24(len(data)) + int2byte(next_packet) + data
self.stream.write(data)
auth_packet = MysqlPacket(self)
yield auth_packet.recv_packet()
auth_packet.check_error()
if DEBUG:
auth_packet.dump()
开发者ID:roson9527，项目名称:AsyncTorndb，代码行数:69，代码来源:connections.py
示例17: _send_authentication
def _send_authentication(self):
self.client_flag |= CAPABILITIES
if self.server_version.startswith('5'):
self.client_flag |= MULTI_RESULTS
if self.user is None:
raise ValueError, "Did not specify a username"
charset_id = charset_by_name(self.charset).id
self.user = self.user.encode(self.charset)
data_init = struct.pack('<i', self.client_flag) + struct.pack("<I", 1) + \
int2byte(charset_id) + int2byte(0)*23
next_packet = 1
if self.ssl:
data = pack_int24(len(data_init)) + int2byte(next_packet) + data_init
next_packet += 1
if DEBUG: dump_packet(data)
self.wfile.write(data)
self.wfile.flush()
self.socket = ssl.wrap_self.socketet(self.socket, keyfile=self.key,
certfile=self.cert,
ssl_version=ssl.PROTOCOL_TLSv1,
cert_reqs=ssl.CERT_REQUIRED,
ca_certs=self.ca)
self.rfile = self.socket.makefile("rb")
self.wfile = self.socket.makefile("wb")
data = data_init + self.user+int2byte(0) + _scramble(self.password.encode(self.charset), self.salt)
if self.db:
self.db = self.db.encode(self.charset)
data += self.db + int2byte(0)
data = pack_int24(len(data)) + int2byte(next_packet) + data
next_packet += 2
if DEBUG: dump_packet(data)
self.wfile.write(data)
self.wfile.flush()
auth_packet = MysqlPacket(self)
auth_packet.check_error()
if DEBUG: auth_packet.dump()
# if old_passwords is enabled the packet will be 1 byte long and
# have the octet 254
if auth_packet.is_eof_packet():
# send legacy handshake
#raise NotImplementedError, "old_passwords are not supported. Check to see if mysqld was started with --old-passwords, if old-passwords=1 in a my.cnf file, or if there are some short hashes in your mysql.user table."
# TODO: is this the correct charset?
data = _scramble_323(self.password.encode(self.charset), self.salt.encode(self.charset)) + int2byte(0)
data = pack_int24(len(data)) + int2byte(next_packet) + data
self.wfile.write(data)
self.wfile.flush()
auth_packet = MysqlPacket(self)
auth_packet.check_error()
if DEBUG: auth_packet.dump()
开发者ID:Webs961，项目名称:PyMySQL，代码行数:65，代码来源:connections.py
注：本文中的util.int2byte函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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