From 6ab652d3b8c895c8c283b79beaf8aa44000743f9 Mon Sep 17 00:00:00 2001
From: Alex Wright <alex@xeentech.com>
Date: Sun, 4 Nov 2018 11:54:21 +0100
Subject: [PATCH] Initial commit of rough idea

---
 Dockerfile       | 13 +++++++++++++
 requirements.txt |  3 +++
 server.py        | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 62 insertions(+)
 create mode 100644 Dockerfile
 create mode 100644 requirements.txt
 create mode 100644 server.py

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..d0e406e
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,13 @@
+FROM python:3-slim
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        pandoc \
+        texlive-xetex \
+        texlive-latex-base \
+        texlive-latex-base \
+        texlive-fonts-recommended \
+        texlive-latex-extra
+WORKDIR /app
+COPY ./requirements.txt /app/requirements.txt
+RUN pip install -r requirements.txt
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..e6acba7
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+pypandoc
+flask
+gunicorn
diff --git a/server.py b/server.py
new file mode 100644
index 0000000..ae007de
--- /dev/null
+++ b/server.py
@@ -0,0 +1,46 @@
+import logging
+import uuid
+import tempfile
+import os
+import flask_fs as fs
+from flask import Flask, abort, request, Response, send_file
+import pypandoc
+
+app = Flask(__name__)
+fs.init_app(app)
+app.logger.setLevel(logging.INFO)
+
+@app.route('/')
+def index():
+    return 'Hello'
+
+@app.route('/convert', methods=['POST'])
+def convert():
+    if 'input' not in request.files:
+        abort(400)
+    if 'outputs' not in request.form:
+        abort(400)
+
+    job_name = uuid.uuid4().hex
+    job_dir = tempfile.mkdtemp(suffix='-' + job_name)
+    input_file = request.files['input']
+    input_base, input_ext = input_file.filename.rsplit('.')
+    input_path = os.path.join(job_dir, 'input.' + input_ext)
+    input_file.save(input_path)
+
+
+    outputs = request.form['outputs'].split(',')
+    results = []
+    for output in outputs:
+        output_filename = '{0}.{1}'.format(input_base, output)
+        output_path = os.path.join(job_dir, output_filename)
+        print('Converting {0} to {1}'.format(input_path, output_path))
+        pypandoc.convert(input_path, output, outputfile=output_path)
+        results.append({
+            'input': input_path,
+            'output': output_path,
+            'format': output,
+        })
+    if len(results) == 1:
+        return send_file(results[0]['output'])
+    return Response(str(results))