From a220ca75495d6d69c5e1f4f72d66c45954e37916 Mon Sep 17 00:00:00 2001
From: Yohann D'ANELLO <yohann.danello@gmail.com>
Date: Sat, 21 Mar 2020 17:54:08 +0100
Subject: [PATCH] We need the french latex package

---
 Dockerfile             |  2 +-
 README.md              |  2 +-
 apps/treasury/views.py | 30 ++++++++++--------------------
 3 files changed, 12 insertions(+), 22 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index bfc2a23e..dfc49d04 100644
--- a/Dockerfile
+++ b/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/
diff --git a/README.md b/README.md
index c87af71e..8f7caa61 100644
--- a/README.md
+++ b/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
 
diff --git a/apps/treasury/views.py b/apps/treasury/views.py
index ed0065c7..170a837d 100644
--- a/apps/treasury/views.py
+++ b/apps/treasury/views.py
@@ -134,27 +134,17 @@ class BillingRenderView(LoginRequiredMixin, View):
                 f.write(tex.encode("UTF-8"))
             del tex
 
-            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()
+            for _ in range(2):
+                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)
-
-            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)
+                if 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")