Initial working thingy

.gitignore

@@ -2,3 +2,6 @@
 result
 # Vim swap files
 *.swp
+# Generated website files
+build
+dist

Makefile

@@ -0,0 +1,48 @@
+.PHONY: all, clean
+
+ifeq ($(origin IMAGE_DIR),undefined)
+$(error $$IMAGE_DIR is not set)
+endif
+
+# Files for distribution
+DIST_DIR ?= dist
+# Temporary build artifacts
+BUILD_DIR ?= build
+
+images := $(shell find $(IMAGE_DIR) -iname '*.jpg')
+image_names_cs := $(notdir $(images))
+image_names := $(shell echo $(image_names_cs) | tr A-Z a-z)
+dist_images := $(addprefix $(DIST_DIR)/,$(image_names))
+
+extra_files := $(wildcard extra/*)
+dist_extra_files := $(extra_files:%=dist/%)
+
+define copy_image_rule =
+$(DIST_DIR)/$(1): $(shell find $(IMAGE_DIR) -iname $(1))
+	@mkdir -p $(DIST_DIR)
+	cp --preserve $$< $$@
+endef
+
+build_metas := $(dist_images:$(DIST_DIR)/%.jpg=$(BUILD_DIR)/%.meta.json)
+dist_html := $(dist_images:$(DIST_DIR)/%.jpg=$(DIST_DIR)/%.html)
+
+### RULES ###
+
+all: $(dist_html) $(dist_extra_files)
+
+clean:
+	rm -rf $(DIST_DIR) $(BUILD_DIR)
+
+$(foreach f,$(image_names),$(eval $(call copy_image_rule,$(f))))
+
+$(BUILD_DIR)/%.meta.json: $(DIST_DIR)/%.jpg extract-metadata.py
+	@mkdir -p $(BUILD_DIR)
+	./extract-metadata.py --root $(DIST_DIR) $< > $@
+
+$(DIST_DIR)/%.html: $(BUILD_DIR)/%.meta.json photo.hbs
+	@mkdir -p $(DIST_DIR)
+	handlebars-cli photo.hbs "$$(cat $<)" > $@
+
+$(DIST_DIR)/extra/%: extra/%
+	@mkdir -p $(DIST_DIR)/extra
+	cp -r $< $@

extra/photo.css

@@ -0,0 +1,38 @@
+html {
+  font-size: 16px;
+}
+
+body {
+  margin: 0;
+  font-family: 'Source Sans Pro', sans-serif;
+}
+
+.my-epic-layout {
+  display: grid;
+  grid-template-columns: 1fr 20em;
+  grid-template-rows: 1fr;
+  width: 100vw;
+  height: 100vh;
+}
+
+.picture-frame {
+  padding: 1em;
+  background-color: #555;
+}
+
+.picture-frame img {
+  max-width: 100%;
+  max-height: 100%;
+  object-fit: contain;
+}
+
+.text-frame {
+  padding: 1em;
+  background-color: #f0f0f0;
+}
+
+h1 {
+  font-weight: normal;
+  font-size: 1.5em;
+  margin-top: 0;
+}

extract-metadata.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+
+import clize
+import exif
+import json
+
+
+from datetime import datetime
+from enum import Enum
+from pathlib import Path
+from typing import Any
+
+
+def exif_content_to_json(tag, content):
+    match content:
+        case Enum() as e:
+            return e.name
+        case int() as i:
+            return i
+        case float() as f:
+            return f
+        case str() as s:
+            if tag.startswith("datetime"):
+                dt = datetime.strptime(s, "%Y:%m:%d %H:%M:%S")
+                return dt.strftime("%Y-%m-%d %H:%M")
+            return s
+        case _:
+            return {"pyType": str(type(content)), "stringified": str(content)}
+
+
+def extract_exif_data(image_path: Path) -> dict[str, Any]:
+    with image_path.open("rb") as image_file:
+        image = exif.Image(image_file)
+
+    exif_data = {}
+    for tag in image.list_all():
+        try:
+            content = image[tag]
+        except:
+            # Some keys are in list_all() but can't be accessed for my camera :(
+            # Skip them.
+            continue
+        exif_data[tag] = exif_content_to_json(tag, content)
+
+    return exif_data
+
+
+def extract_stat_data(image_path: Path):
+    FIELDS = ["st_size"]
+
+    s = image_path.stat()
+    stat_data = {}
+    for field in FIELDS:
+        stat_data[field] = getattr(s, field)
+
+    return stat_data
+
+
+
+def extract_metadata(image_path: Path, *, root: Path):
+    exif_data = extract_exif_data(image_path)
+    stat_data = extract_stat_data(image_path)
+
+    metadata = {
+        "exif": exif_data,
+        "stat": stat_data,
+        "path": {
+            "name": image_path.name,
+            "relativeToRoot": str(image_path.relative_to(root)),
+        },
+    }
+
+    print(json.dumps(metadata, indent=2))
+
+
+if __name__ == "__main__":
+    clize.run(extract_metadata)

flake.nix

@@ -23,6 +23,7 @@
             packages.handlebars-rust
             pkgs.imagemagick
             pkgs.gnumake
+            (pkgs.python3.withPackages (ps: [ps.clize ps.exif]))
           ];
         };
       }

photo.hbs

@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<title>{{ path.name }}</title>
+<link rel="stylesheet" href="./extra/photo.css">
+</head>
+<body>
+  <div class="my-epic-layout">
+    <div class="picture-frame">
+      <img src="{{ path.relativeToRoot }}" alt="{{ path.name }}">
+    </div>
+    <div class="text-frame">
+      <h1>{{ path.name }}</h2>
+      <p>{{ exif.datetime }}</p>
+      <p>
+        Exposure Time <strong>{{ exif.exposure_time }}s</strong><br>
+        Aperture <strong>f{{ exif.aperture_value }}</strong><br>
+        ISO <strong>{{ exif.photographic_sensitivity }}</strong>
+      </p>
+    </div>
+  </div>
+</body>
+</html>