# HG changeset patch
# User Björn Ricks <bjoern.ricks@intevation.de>
# Date 1411734081 -7200
# Node ID 4a34f72f036bb24d516ea7922be470538f960dcb

Add initial conversion service

diff -r 000000000000 -r 4a34f72f036b .hgignore
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.hgignore	Fri Sep 26 14:21:21 2014 +0200
@@ -0,0 +1,18 @@
+syntax: glob
+**/*.pyc
+**/*.pyo
+*.swp
+.tmp*
+*.egg-info
+dist/*
+build/*
+lib/*
+*.orig
+*.log
+.settings/*
+data/*
+storage/*
+.project
+.pydevproject
+*.db
+
diff -r 000000000000 -r 4a34f72f036b castclient.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/castclient.py	Fri Sep 26 14:21:21 2014 +0200
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import optparse
+import sys
+
+import requests
+
+url = "http://127.0.0.1:5000/convert/"
+
+
+def main():
+    usage = "usage: %prog [options] infile outfile"
+    parser = optparse.OptionParser(usage=usage)
+    parser.add_option("-f", "--format", default="pdf")
+    parser.add_option("-s", "--host", default="localhost")
+    parser.add_option("-p", "--port", default="5000")
+    (options, args) = parser.parse_args()
+
+    if len(args) < 2:
+        parser.print_usage()
+        sys.exit(1)
+
+    url = "http://%s:%s/convert/" % (options.host, options.port)
+    infilename = args[0]
+    outfilename = args[1]
+    format = options.format
+
+    files = {'file': open(infilename, 'rb')}
+    data = {'format': format}
+
+    r = requests.post(url, data=data, files=files)
+
+    if r.status_code == 200:
+        with open(outfilename, "wb") as f:
+            f.write(r.content)
+        print "OK"
+    else:
+        print "An error has occured"
+        print r.status_code, r.headers
+        sys.exit(2)
+
+
+if __name__ == "__main__":
+    main()
diff -r 000000000000 -r 4a34f72f036b main.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.py	Fri Sep 26 14:21:21 2014 +0200
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+
+from flask import Flask
+
+from odfcast.convert import ConvertView
+
+app = Flask(__name__)
+app.config.from_object('odfcast.settings')
+app.config.from_envvar('ODFCAST_SETTINGS', silent=True)
+
+
+app.add_url_rule("/convert/",
+                 view_func=ConvertView.as_view(
+                     "convert",
+                     app.config["PY3O_UNO_DRIVER"],
+                     app.config["PY3O_UNO_SERVER_HOSTNAME"],
+                     app.config["PY3O_UNO_SERVER_PORT"],
+                 ))
+
+if __name__ == "__main__":
+    app.run()
diff -r 000000000000 -r 4a34f72f036b odfcast/convert.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/odfcast/convert.py	Fri Sep 26 14:21:21 2014 +0200
@@ -0,0 +1,53 @@
+# -*- coding: utf-8 -*-
+
+import tempfile
+
+from flask import request, Response
+from flask.views import MethodView
+
+ALLOWED_FORMATS = ["pdf", "doc", "docx", "odt"]
+
+MIMETYPES = {
+    "odt": "application/vnd.oasis.opendocument.text",
+    "doc": "application/msword",
+    "docx": "application/vnd.openxmlformats-officedocument"
+    ".wordprocessingml.document",
+    "pdf": "application/pdf",
+}
+
+DEFAULT_MIMETYPE = "application/octet-stream"
+
+
+class ConvertView(MethodView):
+
+    def __init__(self, pyuno_driver_name="", hostname="localhost", port=2001):
+        driver_module = self._load_driver_module(pyuno_driver_name)
+        self.convertor = driver_module.Convertor(hostname, port)
+
+    def _load_driver_module(self, pyuno_driver_name):
+        return __import__(pyuno_driver_name, globals(), locals(),
+                          ["Convertor"])
+
+    def post(self):
+        file = request.files['file']
+        format = request.form['format']
+
+        if format not in ALLOWED_FORMATS:
+            return "Format %s not allowed" % format, 401
+
+        outfile = self.convert(file, format)
+        mimetype = self.get_mimetype_for_format(format)
+        return Response(outfile, mimetype=mimetype)
+
+    def convert(self, file, format):
+        infile = tempfile.NamedTemporaryFile()
+        file.save(infile.name)
+        outfile = tempfile.NamedTemporaryFile()
+
+        self.convertor.convert(infile.name, outfile.name, format)
+
+        infile.close()
+        return outfile
+
+    def get_mimetype_for_format(self, format):
+        return MIMETYPES.get(format, DEFAULT_MIMETYPE)
diff -r 000000000000 -r 4a34f72f036b odfcast/settings.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/odfcast/settings.py	Fri Sep 26 14:21:21 2014 +0200
@@ -0,0 +1,9 @@
+# -*- coding: utf-8 -*-
+
+DEBUG = True
+
+MAX_CONTENT_LENGTH = 50 * 1024 * 1024  # allow 200 MB upload files
+
+PY3O_UNO_DRIVER = "py3o.renderers.pyuno"
+PY3O_UNO_SERVER_HOSTNAME = "localhost"
+PY3O_UNO_SERVER_PORT = 2001