100 lines
No EOL
8.3 KiB
JSON
100 lines
No EOL
8.3 KiB
JSON
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"value": "2025-05-11T08:59:58+00:00"
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}
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"title": [
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{
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"value": "Generating presentation slides with Nix and rst2pdf"
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}
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],
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"created": [
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{
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"value": "2025-04-07T00:00:00+00:00"
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"alias": "\/daily\/2025\/04\/07\/nix-rst2pdf",
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"langcode": "en"
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"body": [
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{
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"value": "\n <p>Since switching to Nix and NixOS, I've been looking for opportunities to use Nix more in addition to managing my laptop and server configurations and creating development shells for projects.<\/p>\n\n<p>Nix is a build tool, so I've started to use it to build my slide decks which I create using rst2pdf.<\/p>\n\n<p>I write the rst (reStructuredText) file and compile it to a PDF file.<\/p>\n\n<p>I had a flake.nix file to add rst2pdf, pdfpc and other tools to my shell, but the compilation to a PDF file was done in a bash script which I've since removed.<\/p>\n\n<p>Here's how my flake.nix file looks now:<\/p>\n\n<pre><code class=\"nix\">{\n inputs.nixpkgs.url = \"github:NixOS\/nixpkgs\/nixos-unstable\";\n\n outputs = { nixpkgs, ... }:\n let\n system = \"x86_64-linux\";\n pkgs = import nixpkgs { inherit system; };\n\n inherit (nixpkgs.lib) makeOverridable;\n inherit (pkgs.stdenvNoCC) mkDerivation;\n\n shared = mkDerivation {\n name = \"talks-shared\";\n src = .\/src;\n\n installPhase = ''\n runHook preInstall\n\n mkdir $out\n cp -r fonts styles $out\n\n runHook postInstall\n '';\n };\n\n commonBuildInputs = with pkgs; [\n (python310.withPackages (p: with p; [ rst2pdf ]))\n ];\n\n mkTalk = makeOverridable ({ src }: mkDerivation {\n inherit shared src;\n\n name = builtins.head (builtins.attrNames talks);\n\n buildInputs = commonBuildInputs;\n\n buildPhase = ''\n runHook preBuild\n\n mkdir $out\n\n rst2pdf slides.rst \\\n --break-level 1 \\\n --fit-background-mode scale \\\n --font-path \"${toString shared}\/fonts\" \\\n --output \"$out\/slides.pdf\" \\\n --stylesheets bw,\"${toString shared}\/styles\/opdavies-light\"\n\n runHook postBuild\n '';\n });\n\n talks = {\n build-configs = mkTalk { src = .\/src\/building-build-configs; };\n sculpin = mkTalk { src = .\/src\/building-static-websites-sculpin; };\n tailwind-css = mkTalk { src = .\/src\/taking-flight-with-tailwind-css; };\n test-driven-drupal = mkTalk { src = .\/src\/test-driven-drupal; };\n };\n in\n {\n devShells.${system}.default = with pkgs; mkShell {\n packages = with pkgs; commonBuildInputs ++ [\n ghostscript\n just\n pdfpc\n texliveMedium # includes pdfjam\n ];\n };\n\n packages.${system} = {\n inherit shared;\n } \/\/ talks;\n };\n}\n<\/code><\/pre>\n\n<p>Each talk is its own derivation, so I can run <code>nix run .#test-driven-drupal<\/code> and it will generate the appropriate PDF file for me to present or share.<\/p>\n\n<p>The source code is available at <a href=\"https:\/\/code.oliverdavies.uk\/opdavies\/talks\">https:\/\/code.oliverdavies.uk\/opdavies\/talks<\/a> if you want to see how I use rst2pdf to create my presentations and I've even <a href=\"https:\/\/www.oliverdavies.uk\/presentations\/building-presenting-slide-decks-rst2pdf\">given a presentation about how I create presentations<\/a>.<\/p>\n\n ",
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"format": "full_html",
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"processed": "\n <p>Since switching to Nix and NixOS, I've been looking for opportunities to use Nix more in addition to managing my laptop and server configurations and creating development shells for projects.<\/p>\n\n<p>Nix is a build tool, so I've started to use it to build my slide decks which I create using rst2pdf.<\/p>\n\n<p>I write the rst (reStructuredText) file and compile it to a PDF file.<\/p>\n\n<p>I had a flake.nix file to add rst2pdf, pdfpc and other tools to my shell, but the compilation to a PDF file was done in a bash script which I've since removed.<\/p>\n\n<p>Here's how my flake.nix file looks now:<\/p>\n\n<pre><code class=\"nix\">{\n inputs.nixpkgs.url = \"github:NixOS\/nixpkgs\/nixos-unstable\";\n\n outputs = { nixpkgs, ... }:\n let\n system = \"x86_64-linux\";\n pkgs = import nixpkgs { inherit system; };\n\n inherit (nixpkgs.lib) makeOverridable;\n inherit (pkgs.stdenvNoCC) mkDerivation;\n\n shared = mkDerivation {\n name = \"talks-shared\";\n src = .\/src;\n\n installPhase = ''\n runHook preInstall\n\n mkdir $out\n cp -r fonts styles $out\n\n runHook postInstall\n '';\n };\n\n commonBuildInputs = with pkgs; [\n (python310.withPackages (p: with p; [ rst2pdf ]))\n ];\n\n mkTalk = makeOverridable ({ src }: mkDerivation {\n inherit shared src;\n\n name = builtins.head (builtins.attrNames talks);\n\n buildInputs = commonBuildInputs;\n\n buildPhase = ''\n runHook preBuild\n\n mkdir $out\n\n rst2pdf slides.rst \\\n --break-level 1 \\\n --fit-background-mode scale \\\n --font-path \"${toString shared}\/fonts\" \\\n --output \"$out\/slides.pdf\" \\\n --stylesheets bw,\"${toString shared}\/styles\/opdavies-light\"\n\n runHook postBuild\n '';\n });\n\n talks = {\n build-configs = mkTalk { src = .\/src\/building-build-configs; };\n sculpin = mkTalk { src = .\/src\/building-static-websites-sculpin; };\n tailwind-css = mkTalk { src = .\/src\/taking-flight-with-tailwind-css; };\n test-driven-drupal = mkTalk { src = .\/src\/test-driven-drupal; };\n };\n in\n {\n devShells.${system}.default = with pkgs; mkShell {\n packages = with pkgs; commonBuildInputs ++ [\n ghostscript\n just\n pdfpc\n texliveMedium # includes pdfjam\n ];\n };\n\n packages.${system} = {\n inherit shared;\n } \/\/ talks;\n };\n}\n<\/code><\/pre>\n\n<p>Each talk is its own derivation, so I can run <code>nix run .#test-driven-drupal<\/code> and it will generate the appropriate PDF file for me to present or share.<\/p>\n\n<p>The source code is available at <a href=\"https:\/\/code.oliverdavies.uk\/opdavies\/talks\">https:\/\/code.oliverdavies.uk\/opdavies\/talks<\/a> if you want to see how I use rst2pdf to create my presentations and I've even <a href=\"https:\/\/www.oliverdavies.uk\/presentations\/building-presenting-slide-decks-rst2pdf\">given a presentation about how I create presentations<\/a>.<\/p>\n\n ",
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