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import subprocess
import time
import re
import ast
# Start the REPL subprocess
python_exe = '/Users/18084/Desktop/CS252R/final_project/rasp-env-py3.9/Scripts/python.exe' #SETUP THING: replace with path to your python environment
'''
THE FOLLOWING FUNCTIONS ARE DEPRECATED
'''
def clean_carrots(text):
pattern = r">>(.*?)>>"
match = re.search(pattern, text)
if match:
result = match.group(1).strip() # .strip() is used to remove any leading/trailing whitespace
return result
def parse_output(out):
out = clean_carrots(out)
out = ast.literal_eval(out)
# can arrive as tuple, list, or dictionary
# ultimately want to convert everything to list form
if isinstance(out, dict):
return list(out.values())
if isinstance(out, tuple):
return list(out)
if isinstance(out, list):
return list
raise Exception("Error executing rasp program.")
def run_repl(command):
'''
Runs the RASP repl in a separate subprocess.
'''
process = subprocess.Popen([python_exe, 'RASP/RASP_support/REPL.py'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True)
# Send commands to the REPL
process.stdin.write(f'{command}\nexit()\n')
process.stdin.flush()
# Check periodically if the subprocess has terminated
while True:
if process.poll() is not None:
# The subprocess has terminated
break
time.sleep(0.1) # Wait for a short period (e.g., 0.1 seconds) before checking again
# Close the subprocess if still running
if process.poll() is None:
process.terminate()
# Read output and error
output = process.stdout.readlines()
error = process.stderr.readlines()
# Print output and error
str_output = ""
str_error = ""
for line in output:
str_output += line.strip() + " "
for line in error:
str_error += line.strip() + " "
str_output = parse_output(str_output)
return str_output, str_error
if __name__ == "__main__":
command = "select(tokens, tokens, ==)(\"hi\");"
res, _res_err = run_repl(command)
print(res)
command = "selector_width(select(tokens, tokens, ==))(\"hi\");"
res, _res_err = run_repl(command)
print(res) |