Add squezer for extracting exif data
This commit is contained in:
Paul Brinkmeier
parent
e3ed6a5089
commit
53e7cb9575
3
.gitignore
vendored
3
.gitignore
vendored
@ -1,5 +1,6 @@
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# nix build artifact
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# build artifacts
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result
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target
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# Vim swap files
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*.swp
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# Generated website files
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4
Makefile
4
Makefile
@ -48,9 +48,9 @@ $(THUMB_DIR)/%.webp: $(DIST_DIR)/%.jpg
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$(BUILD_DIR)/index.json: $(build_metas) build-index.py
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./build-index.py $(filter-out build-index.py,$^) > $@
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$(BUILD_DIR)/%.meta.json: $(DIST_DIR)/%.jpg $(THUMB_DIR)/%.webp extract-metadata.py
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$(BUILD_DIR)/%.meta.json: $(DIST_DIR)/%.jpg $(THUMB_DIR)/%.webp
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@mkdir -p $(BUILD_DIR)
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./extract-metadata.py --root $(DIST_DIR) --dist-path $(patsubst $(BUILD_DIR)/%.meta.json,$(DIST_DIR)/%.html,$@) --key $(patsubst $(BUILD_DIR)/%.meta.json,%,$@) --thumbnail $(patsubst $(BUILD_DIR)/%.meta.json,$(THUMB_DIR)/%.webp,$@) $< > $@
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squeezer --root $(DIST_DIR) --dist-path $(patsubst $(BUILD_DIR)/%.meta.json,$(DIST_DIR)/%.html,$@) --key $(patsubst $(BUILD_DIR)/%.meta.json,%,$@) --thumbnail $(patsubst $(BUILD_DIR)/%.meta.json,$(THUMB_DIR)/%.webp,$@) $< > $@
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$(DIST_DIR)/index.html: $(BUILD_DIR)/index.json index.hbs
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@mkdir -p $(DIST_DIR)
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@ -1,80 +0,0 @@
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#!/usr/bin/env python3
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import clize
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import exif
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import json
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from datetime import datetime
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from enum import Enum
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from pathlib import Path
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from typing import Any
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def exif_content_to_json(tag, content):
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match content:
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case Enum() as e:
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return e.name
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case int() as i:
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return i
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case float() as f:
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return f
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case str() as s:
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if tag.startswith("datetime"):
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dt = datetime.strptime(s, "%Y:%m:%d %H:%M:%S")
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return dt.strftime("%Y-%m-%d %H:%M")
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return s
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case _:
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return {"pyType": str(type(content)), "stringified": str(content)}
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def extract_exif_data(image_path: Path) -> dict[str, Any]:
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with image_path.open("rb") as image_file:
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image = exif.Image(image_file)
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exif_data = {}
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for tag in image.list_all():
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try:
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content = image[tag]
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except:
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# Some keys are in list_all() but can't be accessed for my camera :(
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# Skip them.
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continue
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exif_data[tag] = exif_content_to_json(tag, content)
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return exif_data
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def extract_stat_data(image_path: Path):
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FIELDS = ["st_size"]
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s = image_path.stat()
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stat_data = {}
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for field in FIELDS:
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stat_data[field] = getattr(s, field)
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return stat_data
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def extract_metadata(image_path: Path, *, root: Path, dist_path: Path, key: str, thumbnail: Path):
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exif_data = extract_exif_data(image_path)
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stat_data = extract_stat_data(image_path)
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metadata = {
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"exif": exif_data,
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"stat": stat_data,
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"path": {
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"name": image_path.name,
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"relativeToRoot": str(image_path.relative_to(root)),
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"distRelativeToRoot": str(dist_path.relative_to(root)),
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"thumbnailRelativeToRoot": str(thumbnail.relative_to(root)),
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},
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"key": key,
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}
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print(json.dumps(metadata, indent=2))
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if __name__ == "__main__":
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clize.run(extract_metadata)
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@ -18,14 +18,19 @@
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in
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rec {
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packages.handlebars-rust = naersk-lib.buildPackage handlebars-rust-src;
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packages.squeezer = naersk-lib.buildPackage ./squeezer;
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devShell = pkgs.mkShell {
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nativeBuildInputs = [
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packages.handlebars-rust
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packages.squeezer
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pkgs.imagemagick
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pkgs.gnumake
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pkgs.jq
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pkgs.zip
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(pkgs.python3.withPackages (ps: [ps.clize ps.exif]))
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(pkgs.python3.withPackages (ps: [ps.clize]))
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pkgs.cargo
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pkgs.rustc
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];
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};
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}
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@ -15,9 +15,10 @@
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<p><a href="./{{ navigation.previous }}">prev</a> · <a href="./{{ navigation.next }}">next</a> · <a href=".">up</a></p>
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<p>{{ exif.datetime }}</p>
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<p>
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exposure time <strong>{{ exif.exposure_time }}s</strong><br>
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aperture <strong>f{{ exif.aperture_value }}</strong><br>
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iso <strong>{{ exif.photographic_sensitivity }}</strong>
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exposure time <strong>???</strong><br>
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aperture <strong>???</strong><br>
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iso <strong>???</strong><br>
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resolution <strong>{{ exif.PixelXDimension }}x{{ exif.PixelYDimension }}</strong>
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</p>
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</div>
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</div>
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312
squeezer/Cargo.lock
generated
Normal file
312
squeezer/Cargo.lock
generated
Normal file
@ -0,0 +1,312 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 4
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[[package]]
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name = "anstream"
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version = "0.6.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8acc5369981196006228e28809f761875c0327210a891e941f4c683b3a99529b"
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dependencies = [
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"anstyle",
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"anstyle-parse",
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"anstyle-query",
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"anstyle-wincon",
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"colorchoice",
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"is_terminal_polyfill",
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"utf8parse",
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]
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[[package]]
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name = "anstyle"
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version = "1.0.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9"
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[[package]]
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name = "anstyle-parse"
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version = "0.2.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3b2d16507662817a6a20a9ea92df6652ee4f94f914589377d69f3b21bc5798a9"
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dependencies = [
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"utf8parse",
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]
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[[package]]
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name = "anstyle-query"
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version = "1.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "79947af37f4177cfead1110013d678905c37501914fba0efea834c3fe9a8d60c"
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dependencies = [
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"windows-sys",
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]
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[[package]]
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name = "anstyle-wincon"
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version = "3.0.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ca3534e77181a9cc07539ad51f2141fe32f6c3ffd4df76db8ad92346b003ae4e"
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dependencies = [
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"anstyle",
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"once_cell",
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"windows-sys",
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]
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[[package]]
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name = "clap"
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version = "4.5.30"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "92b7b18d71fad5313a1e320fa9897994228ce274b60faa4d694fe0ea89cd9e6d"
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dependencies = [
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"clap_builder",
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"clap_derive",
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]
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[[package]]
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name = "clap_builder"
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version = "4.5.30"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a35db2071778a7344791a4fb4f95308b5673d219dee3ae348b86642574ecc90c"
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dependencies = [
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"anstream",
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"anstyle",
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"clap_lex",
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"strsim",
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]
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[[package]]
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name = "clap_derive"
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version = "4.5.28"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bf4ced95c6f4a675af3da73304b9ac4ed991640c36374e4b46795c49e17cf1ed"
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dependencies = [
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"heck",
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "clap_lex"
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version = "0.7.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f46ad14479a25103f283c0f10005961cf086d8dc42205bb44c46ac563475dca6"
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[[package]]
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name = "colorchoice"
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version = "1.0.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5b63caa9aa9397e2d9480a9b13673856c78d8ac123288526c37d7839f2a86990"
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[[package]]
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name = "heck"
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version = "0.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
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[[package]]
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name = "is_terminal_polyfill"
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version = "1.70.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
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[[package]]
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name = "itoa"
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version = "1.0.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
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[[package]]
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name = "kamadak-exif"
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version = "0.6.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1130d80c7374efad55a117d715a3af9368f0fa7a2c54573afc15a188cd984837"
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dependencies = [
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"mutate_once",
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]
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[[package]]
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name = "memchr"
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version = "2.7.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
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|
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[[package]]
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name = "mutate_once"
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version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "16cf681a23b4d0a43fc35024c176437f9dcd818db34e0f42ab456a0ee5ad497b"
|
||||
|
||||
[[package]]
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name = "once_cell"
|
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version = "1.20.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "945462a4b81e43c4e3ba96bd7b49d834c6f61198356aa858733bc4acf3cbe62e"
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "1.0.93"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "60946a68e5f9d28b0dc1c21bb8a97ee7d018a8b322fa57838ba31cc878e22d99"
|
||||
dependencies = [
|
||||
"unicode-ident",
|
||||
]
|
||||
|
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[[package]]
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name = "quote"
|
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version = "1.0.38"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "0e4dccaaaf89514f546c693ddc140f729f958c247918a13380cccc6078391acc"
|
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dependencies = [
|
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"proc-macro2",
|
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]
|
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|
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[[package]]
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name = "ryu"
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version = "1.0.19"
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "6ea1a2d0a644769cc99faa24c3ad26b379b786fe7c36fd3c546254801650e6dd"
|
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|
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[[package]]
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name = "serde"
|
||||
version = "1.0.217"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "02fc4265df13d6fa1d00ecff087228cc0a2b5f3c0e87e258d8b94a156e984c70"
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dependencies = [
|
||||
"serde_derive",
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||||
]
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|
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[[package]]
|
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name = "serde_derive"
|
||||
version = "1.0.217"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5a9bf7cf98d04a2b28aead066b7496853d4779c9cc183c440dbac457641e19a0"
|
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dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
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||||
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[[package]]
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name = "serde_json"
|
||||
version = "1.0.138"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d434192e7da787e94a6ea7e9670b26a036d0ca41e0b7efb2676dd32bae872949"
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dependencies = [
|
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"itoa",
|
||||
"memchr",
|
||||
"ryu",
|
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"serde",
|
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]
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[[package]]
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||||
name = "squeezer"
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version = "0.1.0"
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dependencies = [
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"clap",
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"kamadak-exif",
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||||
"serde",
|
||||
"serde_json",
|
||||
]
|
||||
|
||||
[[package]]
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name = "strsim"
|
||||
version = "0.11.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "2.0.98"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "36147f1a48ae0ec2b5b3bc5b537d267457555a10dc06f3dbc8cb11ba3006d3b1"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.16"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a210d160f08b701c8721ba1c726c11662f877ea6b7094007e1ca9a1041945034"
|
||||
|
||||
[[package]]
|
||||
name = "utf8parse"
|
||||
version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.59.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
|
||||
dependencies = [
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm",
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_gnullvm",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
||||
14
squeezer/Cargo.toml
Normal file
14
squeezer/Cargo.toml
Normal file
@ -0,0 +1,14 @@
|
||||
[package]
|
||||
name = "squeezer"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
[dependencies]
|
||||
clap = { version = "4.5", features = ["derive"] }
|
||||
kamadak-exif = "0.6"
|
||||
serde = "1.0"
|
||||
serde_json = "1.0"
|
||||
|
||||
[profile.release]
|
||||
strip = true
|
||||
lto = true
|
||||
62
squeezer/src/main.rs
Normal file
62
squeezer/src/main.rs
Normal file
@ -0,0 +1,62 @@
|
||||
use clap::Parser;
|
||||
use serde_json::{Map, Value};
|
||||
use std::path::PathBuf;
|
||||
|
||||
fn map_to_value(tag: exif::Tag, value: exif::Value) -> Value {
|
||||
if let Some(n) = value.get_uint(0) {
|
||||
return Value::Number(n.into());
|
||||
}
|
||||
if let exif::Value::Rational(rs) = value {
|
||||
return serde_json::json!({
|
||||
"num": Value::Number(rs[0].num.into()),
|
||||
"denom": Value::Number(rs[0].denom.into()),
|
||||
});
|
||||
}
|
||||
Value::String(value.display_as(tag).to_string())
|
||||
}
|
||||
|
||||
fn extract_exif_data(image_path: &PathBuf) -> Value {
|
||||
let image_file = std::fs::File::open(image_path).unwrap();
|
||||
let mut reader = std::io::BufReader::new(image_file);
|
||||
let exifreader = exif::Reader::new();
|
||||
let exif = exifreader.read_from_container(&mut reader).unwrap();
|
||||
|
||||
let mut exif_data = Map::new();
|
||||
for f in exif.fields() {
|
||||
let t = format!("{}", f.tag);
|
||||
exif_data.insert(t, map_to_value(f.tag, f.value.clone()));
|
||||
}
|
||||
Value::Object(exif_data)
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
#[derive(Parser)]
|
||||
struct Cli {
|
||||
image_path: PathBuf,
|
||||
#[arg(long)]
|
||||
root: PathBuf,
|
||||
#[arg(long)]
|
||||
dist_path: PathBuf,
|
||||
#[arg(long)]
|
||||
key: String,
|
||||
#[arg(long)]
|
||||
thumbnail: PathBuf,
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let cli = Cli::parse();
|
||||
|
||||
let exif_data = extract_exif_data(&cli.image_path);
|
||||
|
||||
let metadata = serde_json::json!({
|
||||
"exif": exif_data,
|
||||
"path": {
|
||||
"name": cli.image_path.file_name().unwrap().to_str(),
|
||||
"relativeToRoot": cli.image_path.strip_prefix(&cli.root).unwrap(),
|
||||
"distRelativeToRoot": cli.dist_path.strip_prefix(&cli.root).unwrap(),
|
||||
"thumbnailRelativeToRoot": cli.thumbnail.strip_prefix(&cli.root).unwrap(),
|
||||
},
|
||||
"key": cli.key,
|
||||
});
|
||||
println!("{}", metadata);
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user