Merge branch 'nix-shell' into 'main'

Nix shell

See merge request bde/nk20!201

.gitignore

@@ -48,7 +48,6 @@ backups/
 env/
 venv/
 db.sqlite3
-shell.nix
 
 # ansibles customs host
 ansible/host_vars/*.yaml

apps/food/forms.py

@@ -145,7 +145,7 @@ class AddIngredientForms(forms.ModelForm):
             polymorphic_ctype__model="transformedfood",
             is_ready=False,
             end_of_life='',
-        ).filter(PermissionBackend.filter_queryset(get_current_request(), TransformedFood, "change")).exclude(pk=pk)
+        ).filter(PermissionBackend.filter_queryset(get_current_request(), Food, "change")).exclude(pk=pk)
 
     class Meta:
         model = TransformedFood

apps/food/templates/food/food_detail.html

@@ -12,6 +12,9 @@ SPDX-License-Identifier: GPL-3.0-or-later
   </h3>
   <div class="card-body">
     <ul>
+      {% if QR_code %}
+      <li> {{QR_code}} </li>
+      {% endif %}
       {% for field, value in fields %}
       <li> {{ field }} : {{ value }}</li>
       {% endfor %}

apps/food/views.py

@@ -455,6 +455,8 @@ class FoodDetailView(ProtectQuerysetMixin, LoginRequiredMixin, DetailView):
         context["fields"] = [(
             Food._meta.get_field(field).verbose_name.capitalize(),
             value) for field, value in fields.items()]
+        if self.object.QR_code.exists():
+            context["QR_code"] = self.object.QR_code.first()
         context["meals"] = self.object.transformed_ingredient_inv.all()
         context["update"] = PermissionBackend.check_perm(self.request, "food.change_food")
         context["add_ingredient"] = (self.object.end_of_life == '' and PermissionBackend.check_perm(self.request, "food.change_transformedfood"))

shell-static.nix

@@ -0,0 +1,34 @@
+# This is a workaround meant for use with the nix package manager. If you don't know what it is or don't use it, please ignore this file.
+# 
+# The nk20 javascript static location are hardcoded for imperative system.
+# This make ./manage.py collectstatic hard to use with nixos.
+# 
+# A workaround is to enter a FHSUserEnv with the static placed under /share/javascript/<static>.
+# This emulate a debian like system and enable collecting static normally with ./manage.py collectstatics.
+# The regular shell.nix should be enough for other configurations.
+#
+# Warning, you are still supposed to use pip package with a venv !
+{ pkgs ? import <nixpkgs> {} }:
+(pkgs.buildFHSUserEnv {
+  name = "pipzone";
+  targetPkgs = pkgs: (with pkgs;
+  let
+    fhs-static = stdenv.mkDerivation {
+      name = "fhs-static";
+      buildCommand = ''
+      mkdir -p $out/share/javascript/bootstrap4
+      mkdir -p $out/share/javascript/jquery
+      ln -s ${python39Packages.xstatic-bootstrap}/lib/python3.9/site-packages/xstatic/pkg/bootstrap/data/* $out/share/javascript/bootstrap4
+      ln -s ${python39Packages.xstatic-jquery}/lib/python3.9/site-packages/xstatic/pkg/jquery/data/* $out/share/javascript/jquery
+    '';
+    };
+  in [
+    fhs-static
+    python39
+    gettext
+    python39Packages.pip
+    python39Packages.virtualenv
+    python39Packages.setuptools
+  ]);
+  runScript = "bash";
+}).env

shell.nix

@@ -0,0 +1,23 @@
+# This is meant for use with the nix package manager. If you don't know what it is or don't use it, please ignore this file.
+#
+# This shell.nix contains all dependencies require to create a venv and pip install -r requirements.txt.
+#
+# Please check shell-static.nix for running ./manage.py collectstatics.
+{ pkgs ? import <nixpkgs> {} }:
+pkgs.mkShell {
+  buildInputs = with pkgs; [
+    python39
+    python39Packages.pip
+    python39Packages.setuptools
+    gettext
+
+  ];
+  shellHook = ''
+    # Tells pip to put packages into $PIP_PREFIX instead of the usual locations.
+    # See https://pip.pypa.io/en/stable/user_guide/#environment-variables.
+    export PIP_PREFIX=$(pwd)/_build/pip_packages
+    export PYTHONPATH="$PIP_PREFIX/${pkgs.python39.sitePackages}:$PYTHONPATH"
+    export PATH="$PIP_PREFIX/bin:$PATH"
+    unset SOURCE_DATE_EPOCH
+  '';
+}