Nixos configs WIP

.envrc

@@ -0,0 +1,2 @@
+use nix
+layout python3

.gitignore

@@ -105,3 +105,4 @@ tests/testdata/test_plugin_path/plugin_started.txt
 tests/testdata/widget_config.qlr
 tests/testdata/zip/testtar.tgz.properties
 venv
+.direnv

shell.nix

@@ -0,0 +1,121 @@
+let
+  pinnedHash = "933d7dc155096e7575d207be6fb7792bc9f34f6d"; 
+  pinnedPkgs = import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/${pinnedHash}.tar.gz") { };
+  py = pinnedPkgs.python3Packages;
+  pyOveride = pinnedPkgs.python3Packages.override {
+    packageOverrides = self: super: {
+      pyqt5 = super.pyqt5.override {
+        withLocation = true;
+        withSerialPort = true;
+      };
+    };
+  };
+in pinnedPkgs.mkShell rec {
+  name = "impurePythonEnv";
+  venvDir = "./.venv";
+  buildInputs = [
+    # A Python interpreter including the 'venv' module is required to bootstrap
+    # the environment.
+    py.python
+    # This executes some shell code to initialize a venv in $venvDir before
+    py.venvShellHook
+    py.requests
+    pinnedPkgs.git
+
+    # This executes some shell code to initialize a venv in $venvDir before
+    # dropping into the shell
+    py.venvShellHook
+    py.virtualenv
+    py.chardet
+    py.debugpy
+    py.future
+    py.gdal
+    py.jinja2
+    py.matplotlib
+    py.numpy
+    py.owslib
+    py.pandas
+    py.plotly
+    py.psycopg2
+    py.pygments
+    py.pyqt5
+    py.pyqt5_with_qtwebkit # Added by Tim for InaSAFE
+    py.pyqt-builder
+    py.pyqtgraph # Added by Tim for QGIS Animation workbench (should probably be standard)
+    py.python-dateutil
+    py.pytz
+    py.pyyaml
+    py.qscintilla-qt5
+    py.requests
+    py.setuptools
+    py.sip
+    py.six
+    py.sqlalchemy # Added by Tim for QGIS Animation workbench
+    py.urllib3
+
+    pinnedPkgs.makeWrapper
+    pinnedPkgs.wrapGAppsHook
+    #pinnedPkgs.wrapQtAppsHook
+
+    pinnedPkgs.gcc
+    pinnedPkgs.cmake
+    pinnedPkgs.cmakeWithGui
+    pinnedPkgs.flex
+    pinnedPkgs.bison
+    pinnedPkgs.ninja
+
+    pinnedPkgs.draco
+    pinnedPkgs.exiv2
+    pinnedPkgs.fcgi
+    pinnedPkgs.geos
+    pinnedPkgs.gsl
+    pinnedPkgs.hdf5
+    pinnedPkgs.libspatialindex
+    pinnedPkgs.libspatialite
+    pinnedPkgs.libzip
+    pinnedPkgs.netcdf
+    pinnedPkgs.openssl
+    pinnedPkgs.pdal
+    pinnedPkgs.postgresql
+    pinnedPkgs.proj
+    pinnedPkgs.protobuf
+    pinnedPkgs.libsForQt5.qca-qt5
+    pinnedPkgs.qscintilla
+    pinnedPkgs.libsForQt5.qt3d
+    pinnedPkgs.libsForQt5.qtbase
+    pinnedPkgs.libsForQt5.qtkeychain
+    pinnedPkgs.libsForQt5.qtlocation
+    pinnedPkgs.libsForQt5.qtmultimedia
+    pinnedPkgs.libsForQt5.qtsensors
+    pinnedPkgs.libsForQt5.qtserialport
+    pinnedPkgs.libsForQt5.qtwebkit
+    pinnedPkgs.libsForQt5.qtxmlpatterns
+    pinnedPkgs.libsForQt5.qwt
+    pinnedPkgs.saga # Probably not needed for build
+    pinnedPkgs.sqlite
+    pinnedPkgs.txt2tags
+    pinnedPkgs.zstd
+  ];
+  #
+  # ⚠️  Note: Do not use shellHook here too - it will prevent postVenvCreation 
+  #          from running. Also use the ./clean script if you change the 
+  #          postVenvCreation procedure below.
+  #
+
+  # Run this command, only after creating the virtual environment
+  postVenvCreation = ''
+     unset SOURCE_DATE_EPOCH
+     echo "🐍 Installing Python Dependencies."
+     pip install -r requirements.txt
+     echo "🧊 Verifying python packages with pip freeze"
+     pip freeze 
+  '';
+
+  # Now we can execute any commands within the virtual environment.
+  # This is optional and can be left out to run pip manually.
+  postShellHook = ''
+    # allow pip to install wheels
+    unset SOURCE_DATE_EPOCH
+  '';
+}
+