Pipe Delimiter in answer ( obtained from front end as json ) causing trouble and corrupting files

manpreet Best Answer 2 years ago

Whenever "answer" is having pipe delimiters in them, the files are getting corrupted and the record is not getting appended and further functionalities are disabling themselves.

@app.route("/append_record", methods = ['POST'])
def append_record():
    query = text_normalize_csv_diacritic(request.json["query"])
    #print query
    answer = text_normalize_csv_diacritic(request.json["answer"])
    #print answer
    module = request.json["module"]
    lang = request.json["lang"]
    isloop = request.json["is_loop"]
    csv_file = getfilefromdb(lang)
    #print csv_file.read()
    found = False
    questions=[]
    corpus = []
    lang_query = detect_language(query)
    lang_query_alt = detect_language(answer)
    #csv_file_r = csv.reader(csv_file.split('\n'), quotechar='"')
    csv_file_r = csv.reader(csv_file.splitlines(), quotechar='"')
    #print csv_file.read().splitlines()
    corpus = list(csv_file_r)
    #print corpus

    if lang_query_alt == lang_query and lang == lang_query:

        for t in corpus[1:]:
            try:
                if len(t) > 1:
                    questions.append(t[0])
        #print questions

            except Exception as e:
                return jsonify(error=str(e))

        if query not in questions:
            corpus.append([query, answer, module, isloop])

        else:
            index = questions.index(query)
            index+=1

            if corpus[index][1]== answer:

                return jsonify(error="already exists")
            else:
                corpus[index][1] = answer

    #print "\n".join(",".join(corpora).decode("utf-8","ignore") for corpora in corpus)

    else:
        return jsonify(error="Please make sure that you have selected your language appropriately")

    try:
        putfileindb("\n"
                                                    

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