mmmunk/image2data.sh

## image2data.sh
#!/bin/bash

echo -n "data:"`file --mime-type --brief $1`";base64,"`base64 --wrap=0 $1` >`realpath $1`".b64"

## picdir-to-html.py
# Reads a directory of picture files and creates a single-file HTML-document including all the pictures as Base64 data inside the document

import sys
import os
import io
import math
import base64
from PIL import Image, UnidentifiedImageError

# ---------- TagBuilder ----------

def escape_tag_str(s):
	s = str(s)
	for c in s:
		if c in '&<>':
			return s.replace('&', '&amp;').replace('<', '&lt;').replace('>', '&gt;')
	return s

class Tag:
	def __init__(self, tagname, tagcontent=None, **kwargs):
		self.name = tagname
		self.content = []
		self.add(tagcontent)
		self.attributes = []
		for k, v in kwargs.items():
			if k.endswith('_'):
				k = k[:-1]
			if v in (False, None):
				continue
			elif v == True and type(v) == bool:
				self.attributes.append(k)
			else:
				self.attributes.append('%s="%s"' % (k, str(v).replace('"', '&quot;')))

	def add(self, tagcontent):
		if isinstance(tagcontent, (list, tuple)):
			for item in tagcontent:
				self.add(item)
		else:
			if tagcontent != None:
				self.content.append(tagcontent)

	def render(self, output, preamble=None):
		if preamble:
			output(preamble)
		output('<')
		output(self.name)
		for item in self.attributes:
			output(' ')
			output(item)
		if len(self.content) > 0:
			output('>')
			for item in self.content:
				if isinstance(item, Tag):
					item.render(output)
				else:
					if isinstance(self, TagE):
						output(escape_tag_str(item))
					else:
						output(str(item))
			output('</')
			output(self.name)
			output('>')
		else:
			output('/>')

class TagE(Tag):
	pass

# ---------- MAIN ----------

input_dir = sys.argv[1]
output_file = sys.argv[2]
fixed_pixel_count = 76800

body = Tag('body', TagE('h1', input_dir))
for fn in os.listdir(input_dir):
	pfn = os.path.join(input_dir, fn)
	if os.path.isfile(pfn):
		try:
			im = Image.open(pfn)
		except UnidentifiedImageError:
			continue
		w = im.width
		h = im.height
		if w * h > fixed_pixel_count:
			ar = w / h
			h = round(math.sqrt((h / w) * fixed_pixel_count))
			w = round(h * ar)
			im = im.resize((w, h), Image.LANCZOS)
		if im.mode != 'RGB':
			im = im.convert('RGB')
		with io.BytesIO() as b:
			im.save(b, format='JPEG', quality=85, optimize=True, subsampling=2)
			body.add(Tag('img', style='width: %dpx; height: %dpx;' % (im.width, im.height), src='data:image/jpeg;base64,' + base64.b64encode(b.getvalue()).decode('ascii'), alt=escape_tag_str(fn)))

head = Tag('head', (Tag('meta', charset='UTF-8'), Tag('title', 'Pictures')))
head.add(Tag('style', ('body {font-family: sans-serif; font-size: 100%;}\n', 'img {margin: 10px; vertical-align: middle;}\n')))

with open(output_file, 'w') as f:
	Tag('html', (head, body)).render(f.write, '<!DOCTYPE html>\n')
	#!/bin/bash

	echo -n "data:"`file --mime-type --brief $1`";base64,"`base64 --wrap=0 $1` >`realpath $1`".b64"
	# Reads a directory of picture files and creates a single-file HTML-document including all the pictures as Base64 data inside the document

	import sys
	import os
	import io
	import math
	import base64
	from PIL import Image, UnidentifiedImageError

	# ---------- TagBuilder ----------

	def escape_tag_str(s):
	s = str(s)
	for c in s:
	if c in '&<>':
	return s.replace('&', '&').replace('<', '<').replace('>', '>')
	return s

	class Tag:
	def __init__(self, tagname, tagcontent=None, **kwargs):
	self.name = tagname
	self.content = []
	self.add(tagcontent)
	self.attributes = []
	for k, v in kwargs.items():
	if k.endswith('_'):
	k = k[:-1]
	if v in (False, None):
	continue
	elif v == True and type(v) == bool:
	self.attributes.append(k)
	else:
	self.attributes.append('%s="%s"' % (k, str(v).replace('"', '"')))

	def add(self, tagcontent):
	if isinstance(tagcontent, (list, tuple)):
	for item in tagcontent:
	self.add(item)
	else:
	if tagcontent != None:
	self.content.append(tagcontent)

	def render(self, output, preamble=None):
	if preamble:
	output(preamble)
	output('<')
	output(self.name)
	for item in self.attributes:
	output(' ')
	output(item)
	if len(self.content) > 0:
	output('>')
	for item in self.content:
	if isinstance(item, Tag):
	item.render(output)
	else:
	if isinstance(self, TagE):
	output(escape_tag_str(item))
	else:
	output(str(item))
	output('</')
	output(self.name)
	output('>')
	else:
	output('/>')

	class TagE(Tag):
	pass

	# ---------- MAIN ----------

	input_dir = sys.argv[1]
	output_file = sys.argv[2]
	fixed_pixel_count = 76800

	body = Tag('body', TagE('h1', input_dir))
	for fn in os.listdir(input_dir):
	pfn = os.path.join(input_dir, fn)
	if os.path.isfile(pfn):
	try:
	im = Image.open(pfn)
	except UnidentifiedImageError:
	continue
	w = im.width
	h = im.height
	if w * h > fixed_pixel_count:
	ar = w / h
	h = round(math.sqrt((h / w) * fixed_pixel_count))
	w = round(h * ar)
	im = im.resize((w, h), Image.LANCZOS)
	if im.mode != 'RGB':
	im = im.convert('RGB')
	with io.BytesIO() as b:
	im.save(b, format='JPEG', quality=85, optimize=True, subsampling=2)
	body.add(Tag('img', style='width: %dpx; height: %dpx;' % (im.width, im.height), src='data:image/jpeg;base64,' + base64.b64encode(b.getvalue()).decode('ascii'), alt=escape_tag_str(fn)))

	head = Tag('head', (Tag('meta', charset='UTF-8'), Tag('title', 'Pictures')))
	head.add(Tag('style', ('body {font-family: sans-serif; font-size: 100%;}\n', 'img {margin: 10px; vertical-align: middle;}\n')))

	with open(output_file, 'w') as f:
	Tag('html', (head, body)).render(f.write, '<!DOCTYPE html>\n')