Lint

Author: milancurcic

Backend/app.py

@@ -1,6 +1,6 @@
-#importing dependencies - Flask for server and docker to communicate with docker API
+# importing dependencies - Flask for server and docker to communicate with docker API
 from flask import Flask, jsonify, request
-from flask_cors import CORS,cross_origin
+from flask_cors import CORS, cross_origin
 import docker
 import os
 import tarfile
@@ -9,66 +9,69 @@
 
 cors = CORS(app)
 
-app.config['CORS_HEADERS'] = 'Content-Type'
+app.config["CORS_HEADERS"] = "Content-Type"
 
-#Starting container
+# Starting container
 client = docker.from_env()
-container = client.containers.run('playground-small', tty=True,detach=True)
+container = client.containers.run("playground-small", tty=True, detach=True)
 
-#Editing the file with code inside editor
-def edit_file(code, input=''):
-  Fortran_file = open('./File.f90','w+')
-  Fortran_file.write(code)
-  program_input = open('./program_input.txt', 'w+')
-  program_input.write(input)
+# Editing the file with code inside editor
+def edit_file(code, input=""):
+    Fortran_file = open("./File.f90", "w+")
+    Fortran_file.write(code)
+    program_input = open("./program_input.txt", "w+")
+    program_input.write(input)
 
 
-
-#Copying file with fortran code to container
+# Copying file with fortran code to container
 def copy_to(src, dst, container):
-  dst = dst
-  container = container
+    dst = dst
+    container = container
 
-  os.chdir(os.path.dirname(src))
-  srcname = os.path.basename(src)
-  tar = tarfile.open(src + '.tar', mode='w')
-  try:
-    tar.add(srcname)
-  finally:
-    tar.close()
+    os.chdir(os.path.dirname(src))
+    srcname = os.path.basename(src)
+    tar = tarfile.open(src + ".tar", mode="w")
+    try:
+        tar.add(srcname)
+    finally:
+        tar.close()
 
-  data = open(src + '.tar', 'rb').read()
-  container.put_archive(os.path.dirname(dst), data)
+    data = open(src + ".tar", "rb").read()
+    container.put_archive(os.path.dirname(dst), data)
 
 
-#Executing code inside container and getting it's output
+# Executing code inside container and getting it's output
 def execute_code_in_container():
-  copy_to('./File.f90', '/fortran/File.f90',container)
-  copy_to('./program_input.txt', '/fortran/program_input.txt',container)
-  executable = container.exec_run('gfortran File.f90 -o executed_file.o',demux=True)
-  if(executable.exit_code==0):
-    a = container.exec_run('sh -c "cat program_input.txt | ./executed_file.o"', demux=True)
-  else:
-    a = executable
-  return a
-    
-
-#API Endpoint to submit code
-@app.route('/run', methods=['POST','GET','OPTIONS'])
+    copy_to("./File.f90", "/fortran/File.f90", container)
+    copy_to("./program_input.txt", "/fortran/program_input.txt", container)
+    executable = container.exec_run(
+        "gfortran File.f90 -o executed_file.o", demux=True
+    )
+    if executable.exit_code == 0:
+        a = container.exec_run(
+            'sh -c "cat program_input.txt | ./executed_file.o"', demux=True
+        )
+    else:
+        a = executable
+    return a
+
+
+# API Endpoint to submit code
+@app.route("/run", methods=["POST", "GET", "OPTIONS"])
 @cross_origin()
 def run_code():
-  data = request.get_json()
-  edit_file(data["code"],data["programInput"])
-  code_result = execute_code_in_container()
-  if code_result.exit_code == 0:
-    print(code_result.output[0].decode())
-    output = jsonify({"executed" : code_result.output[0].decode()})
-  else:
-    print(code_result.output[1].decode())
-    output = jsonify({"executed" : code_result.output[1].decode()})
-  
-  return output, 202
-
-if __name__ == '__main__':
-  app.run(debug = True)
+    data = request.get_json()
+    edit_file(data["code"], data["programInput"])
+    code_result = execute_code_in_container()
+    if code_result.exit_code == 0:
+        print(code_result.output[0].decode())
+        output = jsonify({"executed": code_result.output[0].decode()})
+    else:
+        print(code_result.output[1].decode())
+        output = jsonify({"executed": code_result.output[1].decode()})
+
+    return output, 202
+
 
+if __name__ == "__main__":
+    app.run(debug=True)