1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/pics2/pics_app.py	Tue May 14 23:36:18 2013 -0700
     1.3 @@ -0,0 +1,72 @@
     1.4 +import os
     1.5 +import re
     1.6 +import glob
     1.7 +import traceback
     1.8 +
     1.9 +import html
    1.10 +
    1.11 +
    1.12 +_APPROOTPATH = "/pics"
    1.13 +_GET_PICSDIR_RE = re.compile(r"^.*" + _APPROOTPATH)
    1.14 +
    1.15 +def _get_pics_dir(environ):
    1.16 +	path_info = environ.get("PATH_INFO", '')
    1.17 +	return _GET_PICSDIR_RE.sub('.', path_info)
    1.18 +	
    1.19 +
    1.20 +def _get_pics_url(environ, dirpath):
    1.21 +	script_name = environ.get("SCRIPT_NAME", '')
    1.22 +	return os.path.normpath(os.path.join(os.path.dirname(script_name), dirpath))
    1.23 +
    1.24 +
    1.25 +def main(environ):
    1.26 +	title = '(None)'
    1.27 +	is_index = False
    1.28 +
    1.29 +	d = _get_pics_dir(environ)
    1.30 +
    1.31 +	if os.path.exists(os.path.join(d, "_picsroot")):
    1.32 +		title = os.path.basename(d)
    1.33 +	elif d == '/':
    1.34 +		title = "pics index"
    1.35 +		is_index = True
    1.36 +	else:
    1.37 +		raise IOError("_picsroot not found in directory: " + d)
    1.38 +	
    1.39 +	html_root = html.HTML("html")
    1.40 +
    1.41 +	html_header = html_root.header
    1.42 +	html_header.title(title)
    1.43 +
    1.44 +	html_body = html_root.body
    1.45 +	html_body.h1(title)
    1.46 +
    1.47 +	if not is_index:
    1.48 +		num_jpgs = len(glob.glob(os.path.join(d, "thumbs", "*.jpg")))
    1.49 +		for i in range(num_jpgs):
    1.50 +			thumbnail_path = os.path.join(d, "thumbs", "%d.jpg" % i)
    1.51 +			thumbnail_url = _get_pics_url(environ, thumbnail_path)
    1.52 +			html_body.img(src=thumbnail_url)
    1.53 +
    1.54 +	return unicode(html_root).encode("utf-8")
    1.55 +	
    1.56 +
    1.57 +def app(environ, start_response):
    1.58 +	response_code = "500 Internal Server Error"
    1.59 +	response_type = "text/plain; charset=UTF-8"
    1.60 +
    1.61 +	try:
    1.62 +		response_body = main(environ)
    1.63 +		response_code = "200 OK"
    1.64 +		response_type = "text/html; charset=UTF-8"
    1.65 +	except:
    1.66 +		response_body = traceback.format_exc()
    1.67 +
    1.68 +	response_headers = [
    1.69 +		("Content-Type", response_type),
    1.70 +		("Content-Length", str(len(response_body))),
    1.71 +	]
    1.72 +
    1.73 +	start_response(response_code, response_headers)
    1.74 +
    1.75 +	return [response_body]