From 251a23d1275fe05137710b8d3b0fe993149a2d7d Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Fri, 22 May 2020 00:09:51 +1000
Subject: [PATCH] Cleanup

---
 InvenTree/InvenTree/settings.py |  4 +++-
 InvenTree/config_template.yaml  |  2 ++
 InvenTree/report/models.py      | 14 ++++++++++++--
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/InvenTree/InvenTree/settings.py b/InvenTree/InvenTree/settings.py
index e325e092da..8e4feade23 100644
--- a/InvenTree/InvenTree/settings.py
+++ b/InvenTree/InvenTree/settings.py
@@ -203,7 +203,7 @@ TEMPLATES = [
     # Backend for LaTeX report rendering
     {
         'NAME': 'tex',
-        'BACKEND': 'django_tex.engine.TeXEngine', 
+        'BACKEND': 'django_tex.engine.TeXEngine',
         'DIRS': [
             os.path.join(MEDIA_ROOT, 'report'),
         ]
@@ -356,6 +356,8 @@ latex_settings = CONFIG.get('latex', {})
 # Set the latex interpreter in the config.yaml settings file
 LATEX_INTERPRETER = latex_settings.get('interpreter', 'pdflatex')
 
+LATEX_INTERPRETER_OPTIONS = latex_settings.get('options', '')
+
 LATEX_GRAPHICSPATH = [
     # Allow LaTeX files to access the report assets directory
     os.path.join(MEDIA_ROOT, "report", "assets"),
diff --git a/InvenTree/config_template.yaml b/InvenTree/config_template.yaml
index 686f910fbf..b5446b8e89 100644
--- a/InvenTree/config_template.yaml
+++ b/InvenTree/config_template.yaml
@@ -82,3 +82,5 @@ latex:
   # Note: The intepreter needs to be installed on the system!
   # e.g. to install pdflatx: apt-get texlive-latex-base
   interpreter: pdflatex 
+  # Extra options to pass through to the LaTeX interpreter
+  options: ''
\ No newline at end of file
diff --git a/InvenTree/report/models.py b/InvenTree/report/models.py
index 1e30fd1c3e..a2dae298e7 100644
--- a/InvenTree/report/models.py
+++ b/InvenTree/report/models.py
@@ -54,7 +54,14 @@ class ReportTemplate(models.Model):
     def template_name(self):
         return os.path.join('report_template', os.path.basename(self.template.name))
 
-    def render(self, request, context={}, **kwargs):
+    def get_context_data(self, request):
+        """
+        Supply context data to the template for rendering
+        """
+
+        return {}
+
+    def render(self, request, **kwargs):
         """
         Render the template to a PDF file.
 
@@ -65,15 +72,18 @@ class ReportTemplate(models.Model):
 
         filename = kwargs.get('filename', 'report.pdf')
 
+        context = self.get_context_data(request)
+
         context['request'] = request
 
         if self.extension == '.tex':
+            # Render LaTeX template to PDF
             return render_to_pdf(request, self.template_name, context, filename=filename)
         elif self.extension in ['.htm', '.html']:
+            # Render HTML template to PDF
             wp = WeasyprintReportMixin(request, self.template_name, **kwargs)
             return wp.render_to_response(context, **kwargs)
 
-
     name = models.CharField(
         blank=False, max_length=100,
         help_text=_('Template name'),