refactor pdf to png method on subprocess, add media url for develop mode

requirements/base.txt

@@ -34,7 +34,6 @@ djangocms-text-ckeditor==3.1.0
 djangocms-video==0.0.1
 easy-thumbnails==2.3
 flup==1.0.3.dev20161029
-ghostscript==0.4.1
 gnureadline==6.3.3
 html5lib==0.9999999
 httplib2==0.10.3

src/commons/pdf_tools.py

@@ -27,7 +27,6 @@ def render_pdf_to_string(request, template_name, dictionary=None):
     pdf = pisa.pisaDocument(BytesIO(html.encode('utf-8')), result, encoding='utf-8')
     pdf_content = result.getvalue()
     result.close()
-    print(type(pdf_content))
     if not pdf.err:
         return pdf_content
     return None

src/docs/views/base_views.py

@@ -6,8 +6,7 @@ import tempfile
 from email.header import Header
 from time import time
 import simplejson as json
-
-import ghostscript
+import subprocess as s
 from django.contrib import messages
 from django.db import DatabaseError
 
@@ -404,27 +403,31 @@ class BaseViews(object):
                 os.makedirs(tmp_media_dir)
 
             tmp_dir = tempfile.mkdtemp(dir=tmp_media_dir)
-            os.chmod(tmp_dir, 755)
+            # os.chmod(tmp_dir, 755)  # TODO: check on ubuntu
             tmp_dirname = os.path.split(tmp_dir)[1]
 
             f = open(filename, 'wb')
             f.write(pdf)
             f.close()
-            args = ["",
+
+            args = ["gs",
+                    "-q",
                     "-dNOPAUSE", "-dBATCH", "-dSAFER",
                     "-sDEVICE=png16m",
                     "-r150",
                     "-sOutputFile=%s" % os.path.join(tmp_dir, "page-%03d.png"),
                     "-f", filename
                     ]
-            GS = ghostscript.Ghostscript(*args)
+
+            p = s.Popen(args=args, stdout=s.PIPE, stderr=s.PIPE)
+            # # ghostscript.Ghostscript(*args) # TODO: check on ubuntu
+            p.wait()
             os.remove(filename)
             filename = '%s.pdf' % self.get_filename(*args, **kwargs)
             imgs = glob.glob(os.path.join(tmp_dir, '*.png'))
             imgs = [os.path.split(i)[1] for i in imgs]
             imgs = ['%stmp/%s/%s' % (MEDIA_URL, tmp_dirname, i) for i in imgs]
             email_form = self.EMAIL_FORM_CLASS()
-
             dictionary = {
                     'obj': obj,
                     'images': imgs,
@@ -444,7 +447,6 @@ class BaseViews(object):
             # else:
             #     return HttpResponseServerError('Server error. Try later.')
 
-
     def as_pdf(self, *args, **kwargs):
         """Вывести документ в формате PDF в HttpResponse."""
         try:

src/dokumentor/urls.py

@@ -4,8 +4,9 @@ from django.conf import settings
 from django.conf.urls import patterns, include, url
 
 import autocomplete_light
-
+from django.conf.urls.static import static
 from django.contrib import admin
+
 admin.autodiscover()
 autocomplete_light.autodiscover()
 
@@ -30,14 +31,11 @@ urlpatterns = patterns('',
 
 
 if settings.DEBUG:
-    urlpatterns += patterns('',
-        url(r'^m/(?P<path>.*)$', 'django.views.static.serve', {
-            'document_root': settings.MEDIA_ROOT,
-            'show_indexes': True,
-        }),
+    urlpatterns.extend(
+        static(settings.STATIC_URL, document_root=settings.STATIC_ROOT) +
+        static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
     )
 
-if settings.DEBUG:
     import debug_toolbar
     urlpatterns = [
         url(r'^__debug__/', include(debug_toolbar.urls)),