upload instructions

main.py

@@ -16,17 +16,20 @@ def hello_world():
 
 @app.route("/convert/",methods=["POST","GET"])
 def convert():
-    if request.method=="POST":
-        uploaded_file = request.files["latexFile"]
-        input_file = str(uuid.uuid1())+".zip"
-        uploaded_file.save(input_file)
-        k= extractAndConvert(input_file)
-        zip_io= io.BytesIO(open("static/"+k+".zip",'rb').read())
-        #zip_data =zipfile.ZipFile(zip_io,'r')
-        os.remove("static/"+k+".zip")
-        return send_file(zip_io,mimetype="application/zip")
-    else:
-        return redirect(url_for('hello_world'))
+    try:
+        if request.method=="POST":
+            uploaded_file = request.files["latexFile"]
+            input_file = str(uuid.uuid1())+".zip"
+            uploaded_file.save(input_file)
+            k= extractAndConvert(input_file)
+            zip_io= io.BytesIO(open("static/"+k+".zip",'rb').read())
+            #zip_data =zipfile.ZipFile(zip_io,'r')
+            os.remove("static/"+k+".zip")
+            return send_file(zip_io,mimetype="application/zip")
+        else:
+            return redirect(url_for('hello_world'))
+    except:
+            return redirect("/")
     
     
 

templates/index.html

@@ -2,7 +2,12 @@
 {% block content %}
 <div >
     <h1>Convert Latex to Accessible HTML</h1>
-    <p>Make sure your latex</p>
+    <p>Make sure you follow the below instructions before uploading</p>
+    <ol> 
+        <li>The name of your primary tex file in the project should be "main.tex"</li>
+        <li>If you would like to add banner to your project(optional step), include the banner image in your project and name it as "headerImage.png"</li>
+        <li>Compress your project into a zip file</li>
+     </ol>
     <form action="{{ url_for('convert') }}" method="post" enctype="multipart/form-data">
         <label for="upload-latex">upload</label>
         <input id="upload-latex" name="latexFile" type="file" accept=".zip,.rar,.7zip"/>