From 038b5a6bf18aba7f5998d00077ce567b87cbe699 Mon Sep 17 00:00:00 2001
From: gauthiier <d@gauthiier.info>
Date: Thu, 3 Aug 2023 11:14:49 +0200
Subject: [PATCH] imgconv for lod

---
 gen.py                 | 92 ++++++++++++++++++++++++++----------------
 sssstatic.sh           |  3 +-
 styles/+++/index.html  | 64 ++++++-----------------------
 styles/+++/lestyle.css |  9 +++++
 utils/imgconv.py       | 82 +++++++++++++++++++++++++++++++++++++
 5 files changed, 164 insertions(+), 86 deletions(-)
 create mode 100644 utils/imgconv.py

diff --git a/gen.py b/gen.py
index daec81e..2d5ed93 100644
--- a/gen.py
+++ b/gen.py
@@ -1,50 +1,67 @@
 #!/usr/bin/env python
 
 import argparse, json, sys, markdown, shutil, json, re, pathlib, shutil
+import utils.imgconv
 
 input_dir = None
 output_dir = None
 style = None
+(W, H, FMT) = (None, None, None)
 codebase = pathlib.Path(__file__).parent.absolute()
 
 def translate_index_header(txt, dirname):
-	href = None
-	sections = txt.count('- - -');
+	sections = txt.count('- - -')
 	if sections == 0:
 		# not following the normal template -> direct html
-		txt = txt.replace('data/', dirname + '/');   		#<--- replace reference to data/
+		txt = txt.replace('data/', dirname + '/')   		#<--- replace reference to data/
 		return txt
 	elif sections == 1:
-		[text, link] = txt.split('- - -');		
-	elif sections == 2:
-		[text, link, href] = txt.split('- - -');
+		[text, link] = txt.split('- - -')	
 
-	text_md = markdown.markdown(text);
-	link_md = markdown.markdown(link);
-
-	# revise this - perhaps with a better
-	link_md = link_md.replace('data/', dirname + '/');
+	text_md = markdown.markdown(text)
+	link_info = json.loads(link)
 
+	dirpath = pathlib.Path(dirname)
+	img_name = pathlib.Path(link_info['img']).name
+	img_path = dirpath / img_name
+	img_resize_path = dirpath / "img-resize" / img_name
 
+	picture_el = emit_picture(str(img_path), str(img_resize_path))
+	
 	table = codebase / "templates/<table>"
 	with table.open(encoding="utf-8") as fp:
 		out = fp.read()
 
 	out = out.replace('[[text_md]]', text_md);
-	out = out.replace('[[link_md]]', link_md);
-	if href:
-		href = href.replace('data/', dirname + '/');
-		out = "<a " + href + ">" + out + "</a>";
+	out = out.replace('[[link_md]]', picture_el);
+	if link_info['href']:
+		if link_info['href'] == "data":
+			href = dirname + "/"
+		else:
+			href = link_info['href']
+		out = "<a href='" + href + "'>" + out + "</a>";
 	return out
 
 def escape_date(dirname):
 	return re.sub('^20\d{2}?.', '', dirname)
 
+def emit_picture(src_full, src_resize):
+	return f'''<picture>
+		<source media="(max-width: 799px)" srcset="{src_resize}" />
+		<source media="(min-width: 800px)" srcset="{src_full}" />
+		<img src="{src_full}" />
+	</picture>'''
+
+
 def emit_img(file: pathlib.Path, data_dir: pathlib.Path):
 
 	## this is where LOD can be applied
+	resize_dir = data_dir / "img-resize"
+	resize_dir.mkdir(parents=True, exist_ok=True)
+	filepath = data_dir / file
+	resize_file = utils.imgconv.convert(filepath, (W, H, FMT), resize_dir)
 
-	return f'<a href="{file}"><img src="{file}" /></a>'
+	return f'<a href="{file}">' + emit_picture(str(file), "img-resize/" + resize_file.name) + '</a>'
 
 def emit_video_mp4(file: pathlib.Path, data_dir: pathlib.Path):
 	return f'<video controls><source src="{file}" type="video/mp4"</video>'
@@ -93,6 +110,7 @@ def default(file, data_dir):
 content_map = {
 	'.png': emit_img,
 	'.jpg': emit_img,
+	'.jpeg': emit_img,
 	'.m4v': emit_video_mp4,
 	'.mov': emit_video_mp4,
 	'.mp4': emit_video_mp4,
@@ -134,20 +152,23 @@ def index_content(dir_name: str, data_dir: pathlib.Path, index_txt: pathlib.Path
 		for i in content_index:
 			f = data_dir / i
 			if f.is_file():		
-				files.append(i);
+				files.append(data_dir / i);
 			else:
 				files += [pathlib.Path(a.name) for a in list(data_dir.glob(i))]
 
 		# sort files?
 		files.sort()
 
-		for j in files:			
+		for j in files:
 			ext = j.suffix.lower()
 			if ext in content_map:
 				element = content_map[ext](j, data_dir);
 				if element:
 					content += "<li>" + element + "</li>" + "\n";
 
+
+	# check if there is an html file existing already. if so use that one.
+
 	html = template.replace('[[content]]', content).replace('[[dir]]', str(dir_name));
 
 	try:
@@ -180,6 +201,7 @@ if __name__ == '__main__':
 	p.add_argument('--output', "-o", help='output directory');
 	p.add_argument('--style', "-y", default="+++", help='css style, ico, etc.');
 	p.add_argument("--settings", "-s", default=".static/settings.json", help="Settings file (default: .static/settings.json")
+	p.add_argument('--format', '-f', default="1000x1000", help='img output formats (ex. 1000x)');
 	p.add_argument('--clean', help='cleans the output directory');
 
 	args = p.parse_args();
@@ -201,15 +223,20 @@ if __name__ == '__main__':
 		if inputdir is not None:
 			input_dir = inputdir;
 		else:
-			print(f"Input directory {args.input} is not a directory... Aborting.")
-			sys.exit(1)
+			sys.exit(f"Input directory {args.input} is not a directory... Aborting.")
+
 	if args.output: 
 		outputdir = check_dir_exists(args.output, create=True)
 		if outputdir is not None:
 			output_dir = outputdir;
 		else:
-			print(f"Output directory {args.output} is not a directory... Aborting.")
-			sys.exit(1)
+			sys.exit(f"Output directory {args.output} is not a directory... Aborting.")
+
+	if args.format:
+		(W, H, FMT) = utils.imgconv.parse_format(args.format)
+		if not FMT:
+			sys.exit(f"Format {str(args.format)} is not valid. Aborting.")		
+
 
 	if style is not None:
 		style_dir = codebase / f"styles/{style}"
@@ -217,8 +244,7 @@ if __name__ == '__main__':
 			style = args.style			
 
 	if input_dir is None:
-		print(f"Error with input directory... Aborting.")
-		sys.exit(1)
+		sys.exit(f"Error with input directory... Aborting.")
 
 	if output_dir is None:
 		print(f"No output directory.")
@@ -236,7 +262,6 @@ if __name__ == '__main__':
 				except:
 					print(f"error erasing {output_dir}. Continuing.")
 
-
 	print('1/3 - Configuring');	
 
 	# main index template
@@ -273,11 +298,9 @@ if __name__ == '__main__':
 			section_indx_txt = datadir / "index.txt"
 			section_desc_txt = datadir / "desc.txt"
 
+			out_index = None
 			if section_indx_txt.is_file() or section_desc_txt.is_file():
-				out_index = index_content(dirname, d, section_indx_txt, section_desc_txt, section_indx_template_str);
-
-			if out_index is None:
-				continue
+				out_index = index_content(dirname, datadir, section_indx_txt, section_desc_txt, section_indx_template_str)
 
 			if output_dir is not None:
 				out_datadir = output_dir / dirname
@@ -298,11 +321,12 @@ if __name__ == '__main__':
 					continue
 
 				# copy index after (since index.html might be lurking in content dirs)
-				try:
-					shutil.copy2(out_index, out_datadir)
-				except:
-					print(f"error copying {out_index} to {out_datadir}. Continuing.")
-					continue
+				if out_index:
+					try:
+						shutil.copy2(out_index, out_datadir)
+					except:
+						print(f"error copying {out_index} to {out_datadir}. Continuing.")
+						continue
 
 	print('3/3 - Generating ouput');
 
diff --git a/sssstatic.sh b/sssstatic.sh
index 308f02d..66f431f 100755
--- a/sssstatic.sh
+++ b/sssstatic.sh
@@ -21,7 +21,8 @@ case $1 in
 		;;
 	run)
 		echo "running"
-		# source venv/bin/activate
+		source venv/bin/activate
+		export MAGICK_HOME=/opt/homebrew/Cellar/imagemagick/7.1.1-13
 		# exec python $2 "${@:3}"
 esac
 
diff --git a/styles/+++/index.html b/styles/+++/index.html
index febbcb0..d605faa 100644
--- a/styles/+++/index.html
+++ b/styles/+++/index.html
@@ -20,57 +20,19 @@
 <pre>
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 <br>
 </div>
 </body>
diff --git a/styles/+++/lestyle.css b/styles/+++/lestyle.css
index 8720132..58f90b7 100644
--- a/styles/+++/lestyle.css
+++ b/styles/+++/lestyle.css
@@ -31,12 +31,21 @@ table td h1 {
 	margin-bottom: 0.2em;
 }
 
+h1 a:hover, h1 a:active {
+	text-decoration: none;
+}
+
+
 table td p {
 	bborder: 1px red solid;
 	margin-top: 0.1em;
 	margin-bottom: 0.4em;
 }
 
+a:hover p, a:active p {
+	text-decoration: none;
+}
+
 
 table tr {
 	text-align: center;
diff --git a/utils/imgconv.py b/utils/imgconv.py
new file mode 100644
index 0000000..3e956a8
--- /dev/null
+++ b/utils/imgconv.py
@@ -0,0 +1,82 @@
+import argparse, pathlib, subprocess, sys
+from wand.image import Image
+
+supported_glob = "[jpJP][npNP][egEG]"
+
+def sanity_check_system():
+	r = subprocess.call("magick -version", shell=True) == 0
+	if not r:
+		sys.exit("ImageMagick not installed. Aborting...")
+
+def parse_format(format_str):
+	fmt = format_str.lower()
+	if 'x' in fmt:
+		w_h = fmt.split('x')
+		w = int(w_h[0]) if w_h[0] != '' else 0
+		h = int(w_h[1]) if w_h[1] != '' else 0
+		return(w, h, fmt)
+	return (None, None, None)
+
+def convert(filepath : pathlib.Path, fmt : tuple, output_dir: pathlib.Path):
+	(w, h, f) = fmt	
+
+	# img exists?
+	output = output_dir / filepath.name
+	if output.exists() and output.is_file():
+		with Image(filename=str(output)) as img:
+			if w > 0 and img.width == w or h > 0 and img.height == h:				
+				return output
+
+	with Image(filename=str(filepath)) as img:
+		print(f". converting {filepath}")
+		print(f"	> {img.size}")
+		img.resolution = (72, 72)
+		if w > 0 and img.width > w or h > 0 and img.height > h:
+			img.transform(resize=f)		
+		print(f"	> {img.size}")
+		img.save(filename=str(output))
+		return output
+
+def convert_all(input_dir: pathlib.Path, fmt : tuple, output_dir: pathlib.Path):
+	img_files = input_dir.glob("*." + supported_glob + "*")
+	for i in img_files:
+		convert(i, fmt, output_dir)	
+
+if __name__ == '__main__':
+
+	p = argparse.ArgumentParser(description='Converts images files to other formats (using wand/ImageMagick)');
+	p.add_argument('-i', '--input', help='input directory');
+	p.add_argument('-o', '--output', help='output directory');
+	p.add_argument('-f', '--format', help='output formats (ex. 1000x)');
+
+	sanity_check_system()
+
+	args = p.parse_args()
+
+	if not args.format:
+		sys.exit("No formats specified. Aborting.")
+
+	input_dir = pathlib.Path(".")
+	if args.input: 
+		input_dir = pathlib.Path(args.input)
+
+	if not input_dir.exists() or not input_dir.is_dir():
+		sys.exit(f"Input {str(input_dir)} is not a directory. Aborting.")
+
+	output_dir = input_dir / "img-resize"
+	if args.output: 
+		output_dir = pathlib.Path(args.output)
+	
+	output_dir.mkdir(parents=True, exist_ok=True)
+
+	(w, h, fmt) = parse_format(args.format)
+	if not fmt:
+		sys.exit(f"Format {str(args.format)} is not valid. Aborting.")		
+
+	img_files = input_dir.glob("*." + supported_glob + "*")
+	for i in img_files:
+		convert(i, (w, h, fmt), output_dir)
+
+
+
+