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import os
import subprocess
import threading
import socket
import uuid
from .binary_conversion import bin_conv
from .data_type_ref import data_type_dict
HEADER = 2048
PORT = 6011
SERVER = 'localhost'
ADDR = (SERVER, PORT)
FORMAT = 'utf-8'
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind(ADDR)
# could there be a defined sub-class that has all the sockets connection functions?
# then the dialogue class launches and connects and loops
class Dialogue:
def __init__(self, file_name, wait = True):
self.file_name = os.path.basename(file_name)
if bool(os.path.dirname(file_name)):
self.file_path = file_name
else:
self.file_path = os.path.join(os.getcwd(), file_name)
self.ext = file_name.split('.')[-1]
self.uuid = str(uuid.uuid4())
self.conn = None
self.addr = None
self.connected = False
self.active = False
if wait:
self.open()
def execute_context_script(self):
context_file = __file__.replace('__init__.py', 'context_script.r')
subprocess.run(
f'Rscript {context_file} {self.uuid} {self.file_path}',
cwd = os.getcwd(),
start_new_session = True
)
def establish_connection(self):
while not self.connected:
server.listen()
self.conn, self.addr = server.accept()
uuid_chk = self.recv()
self.connected = self.uuid == uuid_chk
self.send(self.uuid)
if not self.connected:
self.conn.close()
def open(self):
self._connect = threading.Thread(target=self.establish_connection)
self._launch = threading.Thread(target=self.execute_context_script)
self._connect.start()
self._launch.start()
self._connect.join()
data = self.recv(set_data_type=bool)
self.active = (data == True)
def send(self, data, send_data_type = False):
if send_data_type:
data_type_name = type(data)
data_type_name = data_type_name.__name__
data_type_name = bin_conv(data_type_name)
self.conn.send(data_type_name)
recv_chk = self.recv(set_data_type=bool)
bin_data = bin_conv(data)
self.conn.send(bin_data)
# I still want to consolidate the recv_data_type and set_data_type args
def recv(self, recv_data_type = False, set_data_type = str):
if recv_data_type:
data_type_name = self.conn.recv(HEADER)
while data_type_name == b'\x00':
data_type_name = self.conn.recv(HEADER)
data_type_name = bin_conv(data_type_name, str)
data_type = data_type_dict[data_type_name]
self.send(True)
else:
data_type = set_data_type
data = self.conn.recv(HEADER)
while data == b'\x00':
data = self.conn.recv(HEADER)
data = bin_conv(data, data_type)
return data
def import_variable(self, var_name):
self.send(1)
recv_chk = self.recv(set_data_type=bool)
self.send(var_name, False)
val = self.recv(True)
return val
def assign_variable(self, var_name, var_val):
self.send(3)
recv_chk = self.recv(set_data_type=bool)
self.send(var_name, False)
recv_chk = self.recv(set_data_type=bool)
self.send(var_val, True)
recv_chk = self.recv(set_data_type=bool)
def evaluate_expression(self, method_name, *args, **kwargs):
self.send(2)
recv_chk = self.recv(set_data_type=bool)
#send number of arguments
self.send(len(args))
recv_chk = self.recv(set_data_type=bool)
#send number of keyword arguments
self.send(len(kwargs))
recv_chk = self.recv(set_data_type=bool)
#send method name
self.send(method_name)
recv_chk = self.recv(set_data_type=bool)
#send arguments
for arg in args:
self.send(arg, True)
recv_chk = self.recv(set_data_type=bool)
#send keyword arguments
for kw in kwargs:
self.send(kw)
recv_chk = self.recv(set_data_type=bool)
self.send(kwargs[kw], True)
recv_chk = self.recv(set_data_type=bool)
result = self.recv(True)
return result
def close(self):
self.send(0)
self._launch.join()
self.conn.close()
self.conn = None
self.addr = None
self.connected = False
self.active = False
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