We need the french latex package

Dockerfile

@@ -11,7 +11,7 @@ RUN apt update && \
 
 # Install LaTeX requirements
 RUN apt update && \
-    apt install -y texlive-latex-extra texlive-fonts-extra && \
+    apt install -y texlive-latex-extra texlive-fonts-extra texlive-lang-french && \
     rm -rf /var/lib/apt/lists/*
 
 COPY . /code/

README.md

@@ -15,7 +15,7 @@ On supposera pour la suite que vous utilisez Debian/Ubuntu sur un serveur tout n
 
     La génération des factures de l'application trésorerie nécessite une installation de LaTeX suffisante :
 
-        $ sudo apt install texlive-latex-extra texlive-fonts-extra
+        $ sudo apt install texlive-latex-extra texlive-fonts-extra texlive-lang-french
 
 2. Clonage du dépot
 

apps/treasury/views.py

@@ -134,6 +134,7 @@ class BillingRenderView(LoginRequiredMixin, View):
                 f.write(tex.encode("UTF-8"))
             del tex
 
+            for _ in range(2):
                 error = subprocess.Popen(
                     ["pdflatex", "billing-{}.tex".format(pk)],
                     cwd=tmp_dir,
@@ -143,18 +144,7 @@ class BillingRenderView(LoginRequiredMixin, View):
                 ).wait()
 
                 if error:
-                raise IOError("An error attempted while generating a billing:", error)
-
-            error = subprocess.Popen(
-                ["pdflatex", "billing-{}.tex".format(pk)],
-                cwd=tmp_dir,
-                stdin=open(os.devnull, "r"),
-                stderr=open(os.devnull, "wb"),
-                stdout=open(os.devnull, "wb")
-            ).wait()
-
-            if error:
-                raise IOError("An error attempted while generating a billing:", error)
+                    raise IOError("An error attempted while generating a billing (code=" + str(error) + ")")
 
             pdf = open("{}/billing-{}.pdf".format(tmp_dir, pk), 'rb').read()
             response = HttpResponse(pdf, content_type="application/pdf")