Migrate LaTeX to XeTeX

.gitlab-ci.yml

@@ -18,8 +18,7 @@ py37-django22:
         python3-django-extensions python3-django-filters python3-django-polymorphic
         python3-djangorestframework python3-django-cas-server python3-psycopg2 python3-pil
         python3-babel python3-lockfile python3-pip python3-phonenumbers
-        python3-bs4 python3-setuptools tox
+        python3-bs4 python3-setuptools tox texlive-xetex
-        texlive-latex-base texlive-latex-recommended texlive-lang-french lmodern texlive-fonts-recommended
   script: tox -e py37-django22
 
 # Ubuntu 20.04
@@ -36,8 +35,7 @@ py38-django22:
         python3-django-extensions python3-django-filters python3-django-polymorphic
         python3-djangorestframework python3-django-cas-server python3-psycopg2 python3-pil
         python3-babel python3-lockfile python3-pip python3-phonenumbers
-        python3-bs4 python3-setuptools tox
+        python3-bs4 python3-setuptools tox texlive-xetex
-        texlive-latex-base texlive-latex-recommended texlive-lang-french lmodern texlive-fonts-recommended
   script: tox -e py38-django22
 
 linters:

Dockerfile

@@ -12,8 +12,7 @@ RUN apt-get update && \
     python3-babel python3-lockfile python3-pip python3-phonenumbers ipython3 \
     python3-bs4 python3-setuptools \
     uwsgi uwsgi-plugin-python3 \
-    texlive-latex-base texlive-latex-recommended texlive-lang-french lmodern texlive-fonts-recommended \
+    texlive-xetex gettext libjs-bootstrap4 fonts-font-awesome && \
-    gettext libjs-bootstrap4 fonts-font-awesome && \
     rm -rf /var/lib/apt/lists/*
 
 # Instal PyPI requirements

README.md

@@ -23,8 +23,7 @@ Bien que cela permette de créer une instance sur toutes les distributions,
     $ sudo apt update
     $ sudo apt install --no-install-recommends -y \
         ipython3 python3-setuptools python3-venv python3-dev \
-        texlive-latex-base texlive-lang-french lmodern texlive-fonts-recommended \
+        texlive-xetex gettext libjs-bootstrap4 fonts-font-awesome git
-        gettext libjs-bootstrap4 fonts-font-awesome git
     ```
 
 2.  **Clonage du dépot** là où vous voulez :
@@ -98,8 +97,7 @@ Sinon vous pouvez suivre les étapes décrites ci-dessous.
         python3-babel python3-lockfile python3-pip python3-phonenumbers ipython3 \
         python3-bs4 python3-setuptools \
         uwsgi uwsgi-plugin-python3 \
-        texlive-latex-base texlive-lang-french lmodern texlive-fonts-recommended \
+        texlive-xetex gettext libjs-bootstrap4 fonts-font-awesome \
-        gettext libjs-bootstrap4 fonts-font-awesome \
         nginx python3-venv git acl
     ```
 

ansible/roles/1-apt-basic/tasks/main.yml

@@ -38,10 +38,7 @@
       - python3-venv
 
       # LaTeX (PDF generation)
-      - texlive-fonts-recommended
+      - texlive-xetex
-      - texlive-lang-french
-      - texlive-latex-base
-      - texlive-latex-recommended
 
       # WSGI server
       - uwsgi

apps/treasury/templates/treasury/invoice_sample.tex

@@ -1,22 +1,14 @@
 {% load escape_tex %}
+\documentclass[a4paper,11pt]{article}
 
-\nonstopmode
+\usepackage{fontspec}
-\documentclass[11pt]{article}
+\usepackage{geometry}
-
-\usepackage[french]{babel}
-\usepackage[T1]{fontenc}
-\usepackage[utf8]{inputenc}
-\usepackage[a4paper]{geometry}
-%\usepackage{bera}
 \usepackage{graphicx}
 \usepackage{fancyhdr}
 \usepackage{fp}
-\usepackage{transparent}
 \usepackage{eso-pic}
 \usepackage{ifthen}
 
-\DeclareUnicodeCharacter{00B0}{$^\circ$}
-
 \def\TVA{0}    % Taux de la TVA
 
 \def\TotalHT{0}
@@ -60,7 +52,8 @@
         \parbox[b][\paperheight]{\paperwidth}{%
             \vfill
             \centering
-            {\transparent{0.1}\includegraphics[width=\textwidth]{../../apps/treasury/static/img/{{ obj.bde }}}}%
+            %FIXME remove ".png" on obj.bde
+            %\includegraphics[width=\textwidth]{../../apps/treasury/static/img/{{ obj.bde }}_bg.jpg};
             \vfill
         }
     }

apps/treasury/tests/test_treasury.py

@@ -1,6 +1,5 @@
 # Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
-from unittest import skip
 
 from django.contrib.auth.models import User
 from django.core.exceptions import ValidationError
@@ -143,7 +142,6 @@ class TestInvoices(TestCase):
         self.assertRedirects(response, reverse("treasury:invoice_list"), 302, 200)
         self.assertFalse(Invoice.objects.filter(pk=self.invoice.id).exists())
 
-    @skip("LaTeX is buggy in the CI")
     def test_invoice_render_pdf(self):
         """
         Generate the PDF file of an invoice.

apps/treasury/views.py

@@ -209,7 +209,7 @@ class InvoiceRenderView(LoginRequiredMixin, View):
             # The file has to be rendered twice
             for ignored in range(2):
                 error = subprocess.Popen(
-                    ["pdflatex", "-interaction=nonstopmode", "invoice-{}.tex".format(pk)],
+                    ["xelatex", "-interaction=nonstopmode", "invoice-{}.tex".format(pk)],
                     cwd=tmp_dir,
                     stdin=open(os.devnull, "r"),
                     stderr=open(os.devnull, "wb"),

apps/wei/templates/wei/weilist_sample.tex

@@ -1,15 +1,11 @@
-\documentclass[landscape,10pt]{article}
+\documentclass[a4paper,landscape,10pt]{article}
-
-\usepackage[utf8]{inputenc}
-\usepackage[T1]{fontenc}
-\usepackage[french]{babel}
 
+\usepackage{fontspec}
 \usepackage[margin=1.5cm]{geometry}
-\usepackage{lmodern}
 
 \begin{document}
 \begin{center}
-\huge{Liste des inscrits \og {{ wei.name }} \fg{}}
+\huge{Liste des inscrits « {{ wei.name }} »}
 
 {% if bus %}
 \LARGE{Bus {{ bus.name|safe }}}

apps/wei/tests/test_wei_registration.py

@@ -690,7 +690,7 @@ class TestWEIRegistration(TestCase):
         """
         with open("/dev/null", "wb") as devnull:
             return subprocess.call(
-                ["which", "pdflatex"],
+                ["which", "xelatex"],
                 stdout=devnull,
                 stderr=devnull,
             ) == 0

apps/wei/views.py

@@ -1103,7 +1103,7 @@ class MemberListRenderView(LoginRequiredMixin, View):
 
             with open(os.devnull, "wb") as devnull:
                 error = subprocess.Popen(
-                    ["pdflatex", "-interaction=nonstopmode", "{}/wei-list.tex".format(tmp_dir)],
+                    ["xelatex", "-interaction=nonstopmode", "{}/wei-list.tex".format(tmp_dir)],
                     cwd=tmp_dir,
                     stderr=devnull,
                     stdout=devnull,