pngtile: pngtile/image.py@77330e43c855 (annotated)

141 19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	1	"""
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	2	Image handling.
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	3	"""
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	4
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	5
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	6	from werkzeug import Request, Response, exceptions
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	7	from werkzeug.utils import html
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	8
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	9	import pngtile.tile
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	10	from pngtile.application import BaseApplication
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	11	import pypngtile
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	12
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	13	import json
147 77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	14	import os, os.path
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	15
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	16	def dir_url (prefix, name, item):
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	17	"""
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	18	Join together an absolute URL prefix, an optional directory name, and a directory item
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	19	"""
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	20
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	21	url = prefix
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	22
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	23	if name:
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	24	url += '/' + name
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	25
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	26	url += '/' + item
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	27
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	28	return url
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	29
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	30	def dir_list (root):
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	31	"""
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	32	Yield a series of directory items to show for the given dir
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	33	"""
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	34
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	35	for name in os.listdir(root):
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	36	path = os.path.join(root, name)
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	37
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	38	# skip dotfiles
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	39	if name.startswith('.'):
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	40	continue
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	41
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	42	# show dirs
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	43	if os.path.isdir(path):
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	44	yield name
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	45
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	46	# examine ext
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	47	if '.' in name:
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	48	name_base, name_type = name.rsplit('.', 1)
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	49	else:
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	50	name_base = name
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	51	name_type = None
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	52
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	53	# show .png files with a .cache file
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	54	if name_type in ImageApplication.IMAGE_TYPES and os.path.exists(os.path.join(root, name_base + '.cache')):
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	55	yield name
141 19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	56
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	57	class ImageApplication (BaseApplication):
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	58
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	59	STYLESHEETS = (
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	60	'https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css',
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	61	'https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap-theme.min.css',
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	62	'http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.css',
142 9b316e83e9e3 pngtile.image: split out javascript and rename js/css to map Tero Marttila <terom@paivola.fi> parents: 141 diff changeset	63	'/static/pngtile/map.css',
141 19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	64	)
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	65
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	66	SCRIPTS = (
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	67	'https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js',
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	68	'https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js',
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	69	'http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.js',
142 9b316e83e9e3 pngtile.image: split out javascript and rename js/css to map Tero Marttila <terom@paivola.fi> parents: 141 diff changeset	70	'/static/pngtile/map.js',
141 19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	71	)
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	72
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	73	def __init__ (self, **opts):
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	74	BaseApplication.__init__(self, **opts)
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	75
147 77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	76	def render_dir_breadcrumb (self, name):
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	77	path = []
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	78
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	79	yield html.li(html.a(href='/', *[u"Index"]))
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	80
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	81	if name:
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	82	for part in name.split('/'):
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	83	path.append(part)
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	84
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	85	yield html.li(html.a(href='/'.join(path), *[part]))
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	86
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	87	def render_dir (self, request, name, items):
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	88	"""
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	89	request: werkzeug.Request
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	90	name: /.../... url to dir
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	91	items: [...] items in dir
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	92	"""
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	93
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	94	if name:
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	95	title = name
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	96	else:
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	97	title = "Index"
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	98
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	99	return self.render_html(
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	100	title = name,
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	101	body = (
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	102	html.div(class_='container', *[
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	103	html.h1(title),
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	104	html.div(*[
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	105	html.ol(class_='breadcrumb', *self.render_dir_breadcrumb(name)),
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	106	]),
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	107	html.div(class_='list', *[
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	108	html.ul(class_='list-group', [html.li(class_='list-group-item', [
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	109	html.a(href=dir_url('', name, item), *[item])
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	110	]) for item in items]
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	111	),
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	112	]),
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	113	]),
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	114	),
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	115	)
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	116
141 19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	117	def render_image (self, request, image, name):
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	118	"""
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	119	request: werkzeug.Request
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	120	image: pypngtile.Image
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	121	name: request path for .png image
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	122	"""
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	123
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	124	image_info = image.info()
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	125
142 9b316e83e9e3 pngtile.image: split out javascript and rename js/css to map Tero Marttila <terom@paivola.fi> parents: 141 diff changeset	126	map_config = dict(
141 19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	127	tile_url = 'http://zovoweix.qmsk.net:8080/{name}?x={x}&y={y}&zoom={z}',
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	128	tile_name = name,
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	129
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	130	tile_size = pngtile.tile.TILE_SIZE,
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	131	tile_zoom = pngtile.tile.MAX_ZOOM,
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	132
145 51908b0cc3a1 pngtile.image: render map link Tero Marttila <terom@paivola.fi> parents: 142 diff changeset	133	image_url = 'http://zovoweix.qmsk.net:8080/{name}?w={w}&h={h}&x={x}&y={y}&zoom={z}',
51908b0cc3a1 pngtile.image: render map link Tero Marttila <terom@paivola.fi> parents: 142 diff changeset	134	image_name = name,
141 19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	135	image_width = image_info['img_width'],
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	136	image_height = image_info['img_height'],
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	137	)
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	138
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	139	return self.render_html(
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	140	title = name,
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	141	body = (
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	142	html.div(id='wrapper', *[
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	143	html.div(id='map')
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	144	]),
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	145	),
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	146	end = (
142 9b316e83e9e3 pngtile.image: split out javascript and rename js/css to map Tero Marttila <terom@paivola.fi> parents: 141 diff changeset	147	html.script("""$(function() {{ map_init({map_config}); }});""".format(map_config=json.dumps(map_config))),
141 19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	148	),
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	149	)
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	150
147 77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	151	def handle_dir (self, request, name, path):
141 19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	152	"""
147 77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	153	Generate response for directory listing.
141 19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	154	"""
147 77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	155
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	156	items = sorted(dir_list(path))
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	157
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	158	html = self.render_dir(request, name, items)
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	159
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	160	return Response(html, content_type="text/html")
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	161
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	162	def handle_image (self, request, name, path):
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	163	"""
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	164	Generate Response for image request.
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	165	"""
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	166
141 19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	167	try:
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	168	image, name = self.get_image(request.path)
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	169	except pypngtile.Error as error:
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	170	raise exceptions.BadRequest(str(error))
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	171
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	172	html = self.render_image(request, image, name)
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	173
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	174	return Response(html, content_type="text/html")
19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	175
147 77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	176	def handle (self, request):
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	177	"""
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	178	Handle request for an image
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	179	"""
141 19a3ed063d18 pngtile.image: leaflet browser for tiles; coordinates are still wonky.. Tero Marttila <terom@paivola.fi> parents: diff changeset	180
147 77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	181	name, path = self.lookup_path(request.path)
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	182
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	183	# determine type
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	184	if '/' in name:
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	185	_, name_base = name.rsplit('/', 1)
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	186	else:
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	187	name_base = name
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	188
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	189	if '.' in name_base:
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	190	name_base, name_type = name_base.rsplit('.', 1)
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	191	else:
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	192	name_type = None
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	193
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	194	# determine handler
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	195	if os.path.isdir(path):
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	196	return self.handle_dir(request, name, path)
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	197
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	198	elif name_type and name_type in self.IMAGE_TYPES:
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	199	return self.handle_image(request, name, path)
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	200
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	201	else:
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	202	raise exceptions.NotFound(path)
77330e43c855 pngtile.image: handle dir indexes Tero Marttila <terom@paivola.fi> parents: 145 diff changeset	203

author	Tero Marttila <terom@paivola.fi>
	Mon, 15 Sep 2014 01:23:01 +0300
changeset 147	77330e43c855
parent 145	51908b0cc3a1
child 153	55f3d3bc95d3
permissions	-rw-r--r--