def photo(environ, start_response, url, config, tuples):
size_index = url.rfind('_')
ext_index = url.rfind('.')
base = url[:ext_index]
size = BIG_SIZE
ext = url[ext_index + 1:]
try:
# Attempt a disambiguation to see if the file exists.
paths.url_to_rel(base + '.' + ext, config, tuples)
except paths.UnableToDisambiguateException:
# If it fails, then try it with the underscore as a size separator.
base = url[:size_index]
size = url[size_index + 1:ext_index]
rel_image = paths.url_to_rel(
base + '.' + ext, config, tuples)
image_ctime = cache.lctime(
paths.rel_to_abs(rel_image, config))
server_date = cache.check_client_cache(environ, image_ctime, config)
allow_original = config.getboolean('allow_original', fallback=True)
if size == "original" and not allow_original:
size = "full"
start_response('200 OK', cache.add_cache_headers(
[('Content-Type', 'image/jpeg')], server_date))
if size == "original":
return [spew_file(paths.rel_to_abs(rel_image, config))]
else:
return [spew_photo(rel_image, size, config)]
def img_size(rel_image, max_size, config):
abs_cachedir = os.path.join(config['cache_prefix'], "%d" % max_size)
abs_cachefile = os.path.join(abs_cachedir, rel_image)
abs_raw_image = paths.rel_to_abs(rel_image, config)
try:
if is_cached(abs_raw_image, abs_cachefile, config):
return imagesize.get(abs_cachefile)
else:
(width, height) = imagesize.get(abs_raw_image)
rotation_amount = 0
if config.getboolean('apply_rotation', fallback=False):
rotation_amount = compute_rotation_amount(
exif.exif_tags_raw(abs_raw_image, details=False), config)
if (rotation_amount
and (rotation_amount == 90 or rotation_amount == -90)):
(width, height) = (height, width)
if width < max_size and height < max_size:
return width, height
if width > height:
return max_size, (max_size * height) // width
else:
return (max_size * width) // height, max_size
except IOError:
return 50, 50
def spew_photo(rel, size, config):
abs_cachedir = os.path.join(config['cache_prefix'], size)
abs_cachefile = os.path.join(abs_cachedir, rel)
abs_raw_image = paths.rel_to_abs(rel, config)
if cache.is_cached(abs_raw_image, abs_cachefile, config):
return spew_file(abs_cachefile)
else:
return cache.cache_img(rel, size, config)
def find_preview(rel_dir, config, tuples):
rel_preview = None
abs_dir = paths.rel_to_abs(rel_dir, config)
for fn in os.listdir(abs_dir):
if fn == ".preview.jpeg" or fn.lower() == "preview.jpg":
rel_preview = os.path.join(rel_dir, fn)
if not rel_preview:
rel_preview = first_image_in_dir(rel_dir, config, tuples)
if rel_preview:
rel_preview = os.path.join(rel_dir, rel_preview)
return rel_preview
def first_image_in_dir(rel_dir, config, tuples):
abs_dir = paths.rel_to_abs(rel_dir, config)
items = paths.get_directory_tuples(abs_dir, tuples)
for item in items:
(scratch, base, ext) = paths.split_path_ext(
item['filename'])
if ext.lower() in paths.IMG_EXTNS:
return item['filename']
# Got this far and didn't find an image. Let's look in subdirs next.
for dir_item in items:
dir_fname = dir_item['filename']
if os.path.isdir(os.path.join(abs_dir, dir_fname)):
rel_subdir = os.path.join(rel_dir, dir_fname)
recurse = first_image_in_dir(rel_subdir, config, tuples)
return os.path.join(dir_fname, recurse)
def cache_img(rel, size, config):
width = 0
height = 0
if size != "full":
dims = size.split("x")
width = int(dims[0])
if len(dims) > 1:
height = int(dims[1])
else:
height = width
abs_cachedir = os.path.join(config['cache_prefix'], size)
abs_cachefile = os.path.join(abs_cachedir, rel)
abs_img = paths.rel_to_abs(rel, config)
img = get_image_for_display(abs_img, config, width, height)
with io.BytesIO() as buf:
img.save(buf, "JPEG", quality=95)
if os.path.isdir(abs_cachedir):
makedirsfor(abs_cachefile)
with open(abs_cachefile, 'wb') as fil:
fil.write(buf.getvalue())
return buf.getvalue()
def photopage(environ, start_response, url, config, tuples):
(url_dir, base, extn) = paths.split_path_ext(url)
rel_dir = paths.url_to_rel(url_dir, config, tuples)
abs_dir = paths.rel_to_abs(rel_dir, config)
abs_image = paths.url_to_abs(
os.path.join(url_dir, base),
config, tuples, infer_suffix=1)
cache_time = cache.max_ctime_for_files([abs_image, abs_dir])
server_date = cache.check_client_cache(environ, cache_time, config)
abs_info = os.path.splitext(abs_image)[0] + '.info'
description = ''
if os.path.exists(abs_info):
with open(abs_info) as info_file:
for line in info_file:
if line.startswith('Description: '):
description = line[len('Description: '):]
a = {
'framed_img_url': paths.abs_to_relurl(
abs_image, rel_dir, config, tuples, "700x500"),
'full_img_url': paths.abs_to_relurl(
abs_image, rel_dir, config, tuples),
'gallery_title': config['long_name']
}
photo_title = paths.get_displayname_for_file(abs_image, tuples)
bread_title = photo_title
if len(bread_title) == 0:
bread_title = '(untitled)'
a['photo_title'] = photo_title
a['bread_title'] = bread_title
a['description'] = description
show_exif = config.getboolean('show_exif', fallback=False)
if show_exif:
a['exifdata'] = exif.exif_tags(abs_image).items()
else:
a['exifdata'] = None
(prev, nxt) = paths.get_nearby_for_file(abs_image, tuples)
if prev:
prev = paths.abs_to_relurl(
prev, rel_dir, config, tuples, ext='html')
if nxt:
nxt = paths.abs_to_relurl(
nxt, rel_dir, config, tuples, ext='html')
a['prev'] = prev
a['next'] = nxt
# A set of breadcrumbs that link back to the containing directory.
if os.path.islink(abs_image):
img_dest_path = os.path.realpath(abs_image)
dir_dest_path = os.path.dirname(img_dest_path)
# Hacky way to prune off the leading path. The +1 gets rid of the
# trailing / to make the path relative. Also, I need to use realpath
# to canonicalize both sides of this heinous equation.
pruned_dest = dir_dest_path[len(os.path.realpath(
config['img_prefix'])) + 1:]
leaf = os.path.basename(dir_dest_path)
a['from_caption'] = paths.format_for_display(leaf)
a['from_url'] = paths.url_to_relurl(
posixpath.join(config['browse_prefix'], pruned_dest),
rel_dir, config)
breadcrumbs = paths.breadcrumbs_for_path(
"./" + rel_dir, config, tuples)
a['breadcrumbs'] = breadcrumbs
template = jenv.get_template('photopage.html.jj')
a['browse_prefix'] = paths.url_to_relurl(
config['browse_prefix'], rel_dir, config) + '/'
if 'footer_message' in config:
a['footer_message'] = config['footer_message']
else:
a['footer_message'] = None
start_response('200 OK', cache.add_cache_headers(
[('Content-Type', 'text/html; charset="UTF-8"')], server_date))
return [template.render(a).encode('utf-8')]
def gallery(environ, start_response, url_dir, config, tuples):
if environ and ensure_trailing_slash_and_check_needs_refresh(
environ, start_response):
return []
if url_dir.startswith('/home'):
url_dir = '/'
if not url_dir.endswith('/'):
url_dir += '/'
rel_dir = paths.url_to_rel(url_dir, config, tuples)
abs_dir = paths.rel_to_abs(rel_dir, config)
items = paths.get_directory_tuples(abs_dir, tuples)
abs_images = []
for item in items:
fname = item['filename']
abs_images.append(os.path.join(abs_dir, fname))
server_date = 0
if environ:
server_date = cache.check_client_cache(
environ, cache.max_ctime_for_files([abs_dir]), config)
image_records = []
for item in items:
fname = item['filename']
displayname = item['displayname']
(scratch, base, ext) = paths.split_path_ext(fname)
if ext.lower() not in paths.IMG_EXTNS:
continue
rel_image = os.path.join(paths.url_to_os(rel_dir), fname)
url_medium = paths.rel_to_relurl(
rel_image, url_dir, config, tuples, ext='html')
url_big = paths.rel_to_relurl(
rel_image, url_dir, config, tuples, size=BIG_SIZE)
url_thumb = paths.rel_to_relurl(
rel_image, url_dir, config, tuples, size=THUMB_SIZE)
caption = displayname
(width, height) = cache.img_size(
rel_image, THUMB_SIZE_INT, config)
rec = (url_medium, url_big, url_thumb, caption, width, height)
image_records.append(rec)
index_html = None
rel_index = os.path.join(rel_dir, 'index.html')
abs_index = paths.rel_to_abs(rel_index, config)
if os.path.exists(abs_index):
fh = open(abs_index, 'r', encoding='utf-8')
index_html = fh.read()
fh.close()
subdir_records = []
for item in items:
fname = item['filename']
displayname = item['displayname']
rel_subdir = os.path.join(paths.url_to_os(rel_dir), fname)
if fname.startswith('_'):
continue
if not os.path.isdir(paths.rel_to_abs(
rel_subdir, config)):
continue
url_subdir = paths.rel_to_relurl(
rel_subdir, url_dir[:-1], config, tuples, trailing_slash=1)
caption = displayname
rel_preview = find_preview(rel_subdir, config, tuples)
preview = None
width = 0
height = 0
if rel_preview:
url_preview = paths.rel_to_relurl(
rel_preview, url_dir[:-1], config, tuples, PREVIEW_SIZE)
(width, height) = cache.img_size(
rel_preview, PREVIEW_SIZE_INT, config)
subdir_records.append(
(url_subdir, caption, url_preview, width, height))
breadcrumbs = paths.breadcrumbs_for_path(
'./' + rel_dir[:-1], config, tuples)
a = {}
template = jenv.get_template('browse.html.jj')
leafdir = os.path.split(rel_dir[:-1])[1]
wn_updates = None
if len(leafdir) == 0:
leafdir = config['short_name']
# Set up the What's New link for the root.
wn_txt_path = os.path.join(config['img_prefix'], "whatsnew.txt")
if os.path.exists(wn_txt_path):
wn_src = whatsnew.whatsnew_src_file(config)
wn_updates = whatsnew.read_update_entries(
wn_src, config, tuples)
if wn_updates:
wn_date = wn_updates[0]['date']
wn_ctime = time.strftime('%B %d', time.strptime(wn_date, '%m-%d-%Y'))
a['whatsnew_name'] = "What's New (updated " + wn_ctime + ")"
a['whatsnew_url'] = os.path.join(
config['browse_prefix'], "whatsnew.html")
a['whatsnew_rss'] = os.path.join(
config['browse_prefix'], "whatsnew.xml")
else:
a['whatsnew_name'] = None
a['whatsnew_url'] = None
a['whatsnew_rss'] = None
a['title'] = config['long_name']
a['breadcrumbs'] = breadcrumbs
a['thisdir'] = paths.format_for_display(leafdir)
a['imgurls'] = image_records
a['subdirs'] = subdir_records
a['index_html'] = index_html
a['browse_prefix'] = paths.url_to_relurl(
config['browse_prefix'], rel_dir, config) + '/'
if 'footer_message' in config:
a['footer_message'] = config['footer_message']
else:
a['footer_message'] = None
start_response('200 OK', cache.add_cache_headers(
[('Content-Type', 'text/html; charset="UTF-8"')], server_date))
return [template.render(a).encode('utf-8')]
