degal: degal/image.py@2a53c5ade434 (annotated)

57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	1	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	2	Per-image gallery state
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	3	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	4
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	5	from __future__ import with_statement
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	6
77 2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	7	import filesystem, render, html, format
76 e22d9f699081 misc. fixes Tero Marttila <terom@fixme.fi> parents: 70 diff changeset	8	from utils import lazy_load
12 c2d8e9a754a1 Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/ terom parents: diff changeset	9
c2d8e9a754a1 Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/ terom parents: diff changeset	10	import PIL.Image
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	11	from lib import EXIF
33 4943047bfcb5 merged http://pajukanta.fi/temp/degal_exif_r33.tar.bz2 patch from Japsu terom parents: 28 diff changeset	12
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	13	class Image (filesystem.File) :
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	14	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	15	An Image is a filesystem File that represents an image that can be thumbnailed, and handled.
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	16	"""
44 533b7e8b5d3b strip copyright/license boilerplate from modules, except dexif and formatbytes Tero Marttila <terom@fixme.fi> parents: 41 diff changeset	17
76 e22d9f699081 misc. fixes Tero Marttila <terom@fixme.fi> parents: 70 diff changeset	18	def __init__ (self, args, *kwargs) :
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	19	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	20	Initialize as an Image based on the given Node, linked with the given previous node
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	21	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	22
77 2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	23	super(Image, self).__init__(args, *kwargs)
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	24
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	25	# links
76 e22d9f699081 misc. fixes Tero Marttila <terom@fixme.fi> parents: 70 diff changeset	26	self.prev = None
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	27	self.next = None
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	28
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	29	# the .html file for this image
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	30	self.html = self.parent.subfile(self.basename + '.html')
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	31
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	32	# info
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	33	self.title = self.name
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	34	self.description = None
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	35
77 2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	36	@lazy_load
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	37	def stat (self) :
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	38	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	39	Load and return the os.stat info for this file
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	40	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	41
77 2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	42	return super(Image, self).stat()
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	43
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	44	@lazy_load
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	45	def image (self) :
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	46	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	47	Loads the image as a PIL.Image
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	48	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	49
77 2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	50	# open it up
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	51	return PIL.Image.open(self.path)
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	52
77 2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	53	@lazy_load
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	54	def exif (self) :
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	55	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	56	Loads the EXIF data for the image and returns as a dict of EXIF tag names -> values.
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	57
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	58	Returns None if no exif data was found
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	59	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	60
77 2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	61	# load
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	62	with self.open('rb') as fh :
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	63	# XXX: details=False?
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	64	exif = EXIF.process_file(fh)
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	65
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	66	# empty dict -> no exif data
77 2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	67	if exif :
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	68	return exif
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	69
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	70	else :
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	71	return None
77 2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	72
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	73	@lazy_load
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	74	def metadata (self) :
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	75	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	76	Load and return the metadata for the image as a dictionary
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	77	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	78
77 2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	79	# load stuff
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	80	stat = self.stat
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	81	exif = self.exif
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	82
77 2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	83	# XXX: avoid having to open the image?
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	84	size = self.image.size
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	85
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	86	# build
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	87	return dict({
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	88	"File name": self.name,
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	89	"Resolution": "%dx%d" % size,
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	90	"File size": format.filesize(stat.st_size),
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	91	"Last modified": format.filetime(stat.st_mtime),
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	92	}, **dict(
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	93	(name, exif[tag]) for tag, name in self.config.exif_tags if exif and tag in exif
2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	94	))
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	95
70 67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	96	@lazy_load
67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	97	def thumb (self) :
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	98	"""
70 67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	99	Load and update the thumbnail if needed
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	100	"""
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	101
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	102	# renderer to use
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	103	# XXX: get from elsewhere
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	104	render_machine = self.config.get_renderer()
8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	105
70 67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	106	# render if needed
76 e22d9f699081 misc. fixes Tero Marttila <terom@fixme.fi> parents: 70 diff changeset	107	return render_machine.render_lazy(self,
77 2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	108	self.config.thumb_size, self.parent.thumb_dir.subnode(self.name)
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	109	)
70 67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	110
67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	111	@lazy_load
67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	112	def preview (self) :
67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	113	"""
67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	114	Load and update the preview if needed
67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	115	"""
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	116
70 67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	117	# renderer to use
67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	118	# XXX: get from elsewhere
67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	119	render_machine = self.config.get_renderer()
67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	120
67dd32adf159 remove old Folder, Image code, wrap up both Tero Marttila <terom@fixme.fi> parents: 57 diff changeset	121	return render_machine.render_lazy(self,
77 2a53c5ade434 misc. fixes, it runs now, but HTML output is corrupt (no flattening) Tero Marttila <terom@fixme.fi> parents: 76 diff changeset	122	self.config.preview_size, self.parent.preview_dir.subnode(self.name)
57 8d06e0283b88 start implementing new Image stuff, tie in RenderMachine into the new Image class, assoicated config stuff Tero Marttila <terom@fixme.fi> parents: 44 diff changeset	123	)
44 533b7e8b5d3b strip copyright/license boilerplate from modules, except dexif and formatbytes Tero Marttila <terom@fixme.fi> parents: 41 diff changeset	124

author	Tero Marttila <terom@fixme.fi>
	Fri, 05 Jun 2009 23:59:14 +0300
changeset 77	2a53c5ade434
parent 76	e22d9f699081
child 85	7da934333469
permissions	-rw-r--r--