ooo/handler: set environment from config when bootstraping handler

This is necessary for Libreoffice 7, where uno from Libreoffice python needs
LD_LIBRARY_PATH to be set.

cloudooo/handler/ooo/handler.py

@@ -300,7 +300,8 @@ def bootstrapHandler(configuration_dict):
             office_binary_path=configuration_dict.get('office_binary_path'),
             timeout=timeout_response,
             ooo_disable_filter_list=configuration_dict.get('ooo_disable_filter_list'),
-            ooo_disable_filter_name_list=configuration_dict.get('ooo_disable_filter_name_list'))
+            ooo_disable_filter_name_list=configuration_dict.get('ooo_disable_filter_name_list'),
+            environment_dict=environment_dict)
 
   # Load all filters
   openoffice.acquire()

cloudooo/handler/ooo/mimemapper.py

@@ -30,8 +30,8 @@
 
 import pkg_resources
 from re import findall
-from subprocess import Popen, PIPE
-from subprocess import STDOUT
+import os
+import subprocess
 from zope.interface import implements
 from filter import Filter
 from os import environ, path
@@ -89,7 +89,7 @@ class MimeMapper(object):
     """Verify if filters were loaded"""
     return self._loaded
 
-  def loadFilterList(self, hostname, port, **kw):
+  def loadFilterList(self, hostname, port, environment_dict, **kw):
     """Load all filters of openoffice.
     Keyword arguments:
       hostname -- host of OpenOffice
@@ -125,12 +125,11 @@ class MimeMapper(object):
             "--office_binary_path=%s" % office_binary_path,
             "--hostname=%s" % hostname,
             "--port=%s" % port]
-
-    process = Popen(command, stdout=PIPE, stderr=STDOUT, close_fds=True)
-    stdout, stderr = process.communicate()
-    if process.returncode:
-      raise ValueError(stdout)
-    filter_dict, type_dict = json.loads(stdout)
+    filter_dict, type_dict = json.loads(
+        subprocess.check_output(
+            command,
+            env=dict(os.environ, **environment_dict),
+            close_fds=True))
 
     ooo_disable_filter_list = kw.get("ooo_disable_filter_list") or [] + [
       # 'writer_jpg_Export', # Seems not working from cloudooo in Libre Office 4.3.3.2