Mercurial > hg > index.fcgi > www > www-1

annotate pics2/pics_app.py @ 57:b7966ae653f2

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pics2: add support for .webm files; add pics.fcgi and index.css
author paulo
date Tue, 14 Jan 2014 23:44:24 -0800
parents 0249782e231e
children 6318de36e334
rev   line source
paulo@52 1 import os
paulo@52 2 import re
paulo@52 3 import glob
paulo@52 4 import traceback
paulo@54 5 import datetime
paulo@54 6 import random
paulo@54 7 import urlparse
paulo@52 8
paulo@52 9 import html
paulo@52 10
paulo@53 11 import logging
paulo@53 12 logging.basicConfig(
paulo@53 13 level=logging.DEBUG,
paulo@53 14 filename="_LOG",
paulo@53 15 format="%(asctime)s %(levelname)-8s %(message)s",
paulo@53 16 )
paulo@52 17
paulo@52 18
paulo@52 19
paulo@54 20 def _is_pics_dir(dirpath):
paulo@54 21 return os.path.exists(os.path.join(dirpath, "_picsroot"))
paulo@52 22
paulo@52 23
paulo@54 24 def _get_dir_dt(dirpath):
paulo@54 25 if _is_pics_dir(dirpath):
paulo@54 26 dirpath = os.path.join(dirpath, "_picsroot")
paulo@54 27
paulo@54 28 return datetime.datetime.fromtimestamp(os.stat(dirpath).st_mtime)
paulo@54 29
paulo@54 30
paulo@54 31 def _format_dt(dt):
paulo@54 32 return dt.strftime("%Y-%m-%d")
paulo@53 33
paulo@53 34
paulo@53 35 def _parse_path_info(path_info):
paulo@53 36 ppi = path_info.split(os.sep)
paulo@53 37 if len(ppi) > 1 and ppi[-1] == '':
paulo@53 38 del ppi[-1]
paulo@53 39
paulo@53 40 return ppi
paulo@53 41
paulo@53 42
paulo@53 43 def _numeric_pad_basename(path, maxdigits=20):
paulo@53 44 return os.path.basename(path).zfill(maxdigits)
paulo@53 45
paulo@53 46
paulo@53 47 def _get_images(d):
paulo@57 48 exts = [".jpg", ".webm"]
paulo@57 49
paulo@53 50 thumb_fns = glob.glob(os.path.join(d, "thumbs", "*.jpg"))
paulo@53 51 thumb_fns = sorted(thumb_fns, key=_numeric_pad_basename)
paulo@53 52 logging.debug("thumb_fns = %s" % thumb_fns)
paulo@53 53
paulo@57 54 browse_dir = os.path.join(d, "browse")
paulo@57 55 browse_contents = set(os.listdir(browse_dir))
paulo@57 56 logging.debug("browse_contents = %s" % browse_contents)
paulo@57 57
paulo@57 58 browse_fns = []
paulo@57 59 for i in thumb_fns:
paulo@57 60 i_basename = os.path.splitext(os.path.basename(i))[0]
paulo@57 61 try:
paulo@57 62 for j in exts:
paulo@57 63 browse_fn_basename = i_basename + j
paulo@57 64 if browse_fn_basename in browse_contents:
paulo@57 65 browse_fns.append(os.path.join(browse_dir, browse_fn_basename))
paulo@57 66 raise StopIteration
paulo@57 67 except StopIteration:
paulo@57 68 pass
paulo@57 69 else:
paulo@57 70 raise RuntimeError("Cannot find browse image for %s" % i)
paulo@53 71 logging.debug("browse_fns = %s" % browse_fns)
paulo@53 72
paulo@53 73 return zip(thumb_fns, browse_fns)
paulo@53 74
paulo@52 75
paulo@54 76 class Main:
paulo@54 77 def _get_pics_url(self, dirpath):
paulo@54 78 script_name = self._environ.get("SCRIPT_NAME", '')
paulo@54 79 return os.path.normpath(os.path.join(os.path.dirname(script_name), dirpath))
paulo@54 80
paulo@54 81
paulo@54 82 def _get_app_url(self, dirpath):
paulo@54 83 script_name = self._environ.get("SCRIPT_NAME", '')
paulo@54 84 return os.path.normpath(os.path.join(script_name, dirpath))
paulo@54 85
paulo@54 86
paulo@54 87 def _get_standard_html_doc(self, title):
paulo@54 88 root = html.HTML("html")
paulo@54 89
paulo@54 90 header = root.header
paulo@54 91 header.link(rel="stylesheet", type="text/css", href=self._get_pics_url("index.css"))
paulo@54 92 header.title(title)
paulo@54 93
paulo@54 94 body = root.body
paulo@54 95 body.h1(title)
paulo@54 96
paulo@54 97 return (root, header, body)
paulo@54 98
paulo@54 99
paulo@56 100 def _go_thumbnail_links_to_browse_imgs_html_body(self, body, t, b, a_args={}, img_args={}):
paulo@54 101 thumb_img_url = self._get_pics_url(t)
paulo@54 102 browse_url = self._get_app_url(b)
paulo@52 103
paulo@56 104 a = body.a(href=browse_url, **a_args)
paulo@56 105 a.img(src=thumb_img_url, **img_args)
paulo@52 106
paulo@54 107 body.text(' ')
paulo@54 108
paulo@57 109
paulo@57 110 def _go_browse_image_html_body(self, body, img):
paulo@57 111 browse_img_url = self._get_pics_url(img)
paulo@57 112
paulo@57 113 ext = os.path.splitext(img)[1]
paulo@57 114 if ext == ".webm":
paulo@57 115 body.video(src=browse_img_url, autoplay="true", loop="true")
paulo@57 116 else:
paulo@57 117 body.img(src=browse_img_url)
paulo@57 118
paulo@54 119
paulo@54 120 def __init__(self, environ):
paulo@54 121 self._environ = environ
paulo@54 122 self._page_func = None
paulo@54 123
paulo@54 124 #logging.debug("environ = %s" % (sorted(self._environ.items(), key=lambda x: x[0]),))
paulo@54 125 logging.debug("environ['PATH_INFO'] = %s" % self._environ["PATH_INFO"])
paulo@54 126 logging.debug("environ['SCRIPT_NAME'] = %s" % self._environ["SCRIPT_NAME"])
paulo@54 127 logging.debug("environ['QUERY_STRING'] = %s" % self._environ["QUERY_STRING"])
paulo@54 128
paulo@54 129 pi = self._environ["PATH_INFO"]
paulo@54 130 ppi = _parse_path_info(pi)
paulo@54 131 logging.debug("ppi = %s" % ppi)
paulo@54 132
paulo@54 133 if len(ppi) < 1 or ppi[0] != '':
paulo@54 134 raise AssertionError("Parsed path length must start empty: " + pi)
paulo@54 135
paulo@54 136 if len(ppi) >= 2 and _is_pics_dir(ppi[1]):
paulo@54 137 if len(ppi) == 2:
paulo@54 138 self._page_func = self.page_thumbs
paulo@54 139 elif len(ppi) >= 4 and ppi[2] == "browse" and os.path.exists(os.path.join(*ppi)):
paulo@54 140 self._page_func = self.page_browse
paulo@54 141 elif len(ppi) == 1:
paulo@54 142 self._page_func = self.page_index
paulo@54 143
paulo@54 144 if self._page_func is None:
paulo@54 145 raise RuntimeError("Cannot find path: " + pi)
paulo@54 146
paulo@53 147
paulo@54 148 def page(self):
paulo@54 149 return unicode(self._page_func()).encode("utf-8")
paulo@54 150
paulo@53 151
paulo@54 152 def page_index(self):
paulo@54 153 n = 5 # number of thumbnails to display
paulo@53 154
paulo@54 155 (html_root, html_header, html_body) = self._get_standard_html_doc("Pictures")
paulo@54 156
paulo@54 157 pics_dirs = []
paulo@54 158 for i in os.listdir('.'):
paulo@54 159 if _is_pics_dir(i):
paulo@54 160 pics_dirs.append((i, _get_dir_dt(i)))
paulo@54 161
paulo@54 162 pics_dirs.sort(key=lambda x: x[1], reverse=True)
paulo@54 163
paulo@54 164 for (d, dt) in pics_dirs:
paulo@54 165 html_body.h2.a(d, href=self._get_app_url(d))
paulo@54 166 html_body.h3(_format_dt(dt))
paulo@54 167
paulo@54 168 imgs = _get_images(d)
paulo@54 169 imgs_idx = [(i, img) for (i, img) in enumerate(imgs)]
paulo@54 170
paulo@54 171 sampled_imgs_idx = random.sample(imgs_idx, min(len(imgs_idx), n))
paulo@54 172 sampled_imgs_idx.sort(key=lambda x: x[0])
paulo@54 173
paulo@54 174 html_p = html_body.p
paulo@54 175 for (i, (t, b)) in sampled_imgs_idx:
paulo@54 176 self._go_thumbnail_links_to_browse_imgs_html_body(html_p, t, b)
paulo@54 177
paulo@54 178 return html_root
paulo@54 179
paulo@54 180
paulo@54 181 def page_thumbs(self):
paulo@54 182 ppi = _parse_path_info(self._environ["PATH_INFO"])
paulo@54 183 d = os.path.join(*ppi)
paulo@54 184 (html_root, html_header, html_body) = self._get_standard_html_doc(d)
paulo@53 185
paulo@54 186 qs = urlparse.parse_qs(self._environ["QUERY_STRING"])
paulo@54 187 from_img = None
paulo@54 188 if "from" in qs:
paulo@54 189 from_img = qs["from"][0]
paulo@54 190
paulo@54 191 html_p = html_body.p
paulo@54 192 for (t, b) in _get_images(d):
paulo@54 193 if from_img is not None and b == from_img:
paulo@56 194 self._go_thumbnail_links_to_browse_imgs_html_body(html_p, t, b, img_args={"klass":"sel2", "id":"selected"})
paulo@54 195 else:
paulo@54 196 self._go_thumbnail_links_to_browse_imgs_html_body(html_p, t, b)
paulo@54 197
paulo@54 198 html_body.a("(Other pictures)", href=self._get_app_url(''))
paulo@54 199 return html_root
paulo@54 200
paulo@54 201
paulo@54 202 def page_browse(self):
paulo@54 203 ppi = _parse_path_info(self._environ["PATH_INFO"])
paulo@54 204 d = os.path.join(*ppi[:2])
paulo@54 205 imgs = _get_images(d)
paulo@54 206 img = os.path.join(*ppi)
paulo@54 207
paulo@54 208 # thumbnail preview ribbon
paulo@54 209 w = 7 # must be odd
paulo@54 210 v = w/2
paulo@54 211 imgs_circ = [None] * w
paulo@54 212 x = None
paulo@54 213 n = len(imgs)
paulo@54 214 for (i, (t, b)) in enumerate(imgs):
paulo@54 215 if b == img:
paulo@54 216 x = i + 1
paulo@54 217 imgs_circ[v] = (t, b)
paulo@54 218 for j in range(1, v + 1):
paulo@54 219 if (i + j) < n: imgs_circ[v + j] = imgs[i + j]
paulo@54 220 if (i - j) >= 0: imgs_circ[v - j] = imgs[i - j]
paulo@54 221
paulo@54 222 break
paulo@54 223
paulo@54 224 if x is None:
paulo@54 225 raise AssertionError
paulo@54 226
paulo@54 227 (html_root, html_header, html_body) = self._get_standard_html_doc(u"%s \u2014 %s of %s" % (d, x, len(imgs)))
paulo@56 228
paulo@56 229 html_header.script('', type="text/javascript", src=self._get_pics_url("np_keys.js"))
paulo@54 230
paulo@57 231 self._go_browse_image_html_body(html_body.p, img)
paulo@54 232
paulo@54 233 logging.debug("imgs_circ = %s" % imgs_circ)
paulo@54 234
paulo@54 235 html_p = html_body.p
paulo@56 236 for (i, img_c) in enumerate(imgs_circ):
paulo@56 237 if img_c is not None:
paulo@56 238 (t, b) = img_c
paulo@56 239 a_args = {}
paulo@56 240 img_args = {}
paulo@54 241 if b == img:
paulo@56 242 a_args = {"id": "up"}
paulo@56 243 img_args = {"klass": "sel"}
paulo@56 244 b = "%s?from=%s#selected" % (d, img)
paulo@56 245 elif i == v + 1:
paulo@56 246 a_args = {"id": "next"}
paulo@56 247 elif i == v - 1:
paulo@56 248 a_args = {"id": "prev"}
paulo@56 249
paulo@56 250 self._go_thumbnail_links_to_browse_imgs_html_body(html_p, t, b, a_args, img_args)
paulo@54 251
paulo@54 252 return html_root
paulo@53 253
paulo@52 254
paulo@52 255 def app(environ, start_response):
paulo@52 256 response_code = "500 Internal Server Error"
paulo@52 257 response_type = "text/plain; charset=UTF-8"
paulo@52 258
paulo@52 259 try:
paulo@54 260 response_body = Main(environ).page()
paulo@52 261 response_code = "200 OK"
paulo@52 262 response_type = "text/html; charset=UTF-8"
paulo@52 263 except:
paulo@52 264 response_body = traceback.format_exc()
paulo@52 265
paulo@52 266 response_headers = [
paulo@52 267 ("Content-Type", response_type),
paulo@52 268 ("Content-Length", str(len(response_body))),
paulo@52 269 ]
paulo@52 270
paulo@52 271 start_response(response_code, response_headers)
paulo@52 272
paulo@52 273 return [response_body]