def get_value(cls, name):
"""Retrieves the value of a configuration parameter.
Args:
name: the name of the parameter whose value we are looking for.
Returns:
The value of the parameter or None if the parameter is unknown.
"""
if cls.local_config_cache is None:
# The local cache is empty, retrieve its content from memcache.
cache = memcache.get(cls.MEMCACHE_ENTRY)
if cache is None:
# Nothing in memcache either, recreate the cache from the datastore.
cache = dict(cls.DEFAULT_VALUES)
for parameter in Config.all():
cache[parameter.key().name()] = parameter.value
# Save the full cache in memcache with 1h expiration time.
memcache.add(cls.MEMCACHE_ENTRY, cache, 60 * 60)
cls.local_config_cache = cache
# Retrieve the value from the cache.
return cls.local_config_cache.get(name)
def get_value(cls, name):
"""Retrieves the value of a configuration parameter.
Args:
name: the name of the parameter whose value we are looking for.
Returns:
The value of the parameter or None if the parameter is unknown.
"""
if cls.local_config_cache is None:
# The local cache is empty, retrieve its content from memcache.
cache = memcache.get(cls.MEMCACHE_ENTRY)
if cache is None:
# Nothing in memcache either, recreate the cache from the datastore.
cache = dict(cls.DEFAULT_VALUES)
for parameter in Config.all():
cache[parameter.key().name()] = parameter.value
# Save the full cache in memcache with 1h expiration time.
memcache.add(cls.MEMCACHE_ENTRY, cache, 60*60)
cls.local_config_cache = cache
# Retrieve the value from the cache.
return cls.local_config_cache.get(name)
def dispatch_gist_it( dispatch, location ):
location = urllib.unquote( location )
match = gist_it.Gist.match( location )
dispatch.response.headers['Content-Type'] = 'text/plain';
if not match:
dispatch.response.set_status( 404 )
dispatch.response.out.write( dispatch.response.http_status_message( 404 ) )
dispatch.response.out.write( "\n" )
return
else:
slice_option = dispatch.request.get( 'slice' )
footer_option = dispatch.request.get( 'footer' )
gist = gist_it.Gist.parse( location, slice_option = slice_option, footer_option = footer_option )
if not gist:
dispatch.response.set_status( 500 )
dispatch.response.out.write( "Unable to parse \"%s\": Not a valid repository path?" % ( location ) )
dispatch.response.out.write( "\n" )
return
if _CACHE_ and dispatch.request.get( 'flush' ):
dispatch.response.out.write( memcache.delete( memcache_key ) )
return
memcache_key = gist.raw_url
data = memcache.get( memcache_key )
if data is None or not _CACHE_:
base = dispatch.url_for()
# For below, see: http://stackoverflow.com/questions/2826238/does-google-appengine-cache-external-requests
response = urlfetch.fetch( gist.raw_url, headers = { 'Cache-Control': 'max-age=300' } )
if response.status_code != 200:
if response.status_code == 403:
dispatch.response.set_status( response.status_code )
elif response.status_code == 404:
dispatch.response.set_status( response.status_code )
else:
dispatch.response.set_status( 500 )
dispatch.response.out.write( "Unable to fetch \"%s\": (%i)" % ( gist.raw_url, response.status_code ) )
return
else:
gist_content = take_slice( response.content, gist.start_line, gist.end_line )
gist_html = str( render_gist_html( base, gist, gist_content, footer = gist.footer ) ).strip()
callback = dispatch.request.get( 'callback' );
if callback != '':
result = render_gist_js_callback( callback, gist, gist_html )
else:
result = render_gist_js( base, gist, gist_html )
result = str( result ).strip()
data = result
test = dispatch.request.get( 'test' )
if test:
if test == 'json':
dispatch.response.headers['Content-Type'] = 'text/plain';
dispatch.response.out.write(simplejson.dumps({
'gist': gist.value(),
'content': gist_content,
'html': gist_html,
}))
elif False and test == 'example':
pass
else:
dispatch.response.headers['Content-Type'] = 'text/plain'
dispatch.response.out.write( gist_html )
return
if _CACHE_:
memcache.add( memcache_key, data, 60 * 60 * 24 )
dispatch.response.headers['Content-Type'] = 'text/javascript'
dispatch.response.out.write( data )
def dispatch_gist_it(dispatch, location):
location = urllib.unquote(location)
match = gist_it.Gist.match(location)
dispatch.response.headers['Content-Type'] = 'text/plain'
if not match:
dispatch.response.set_status(404)
dispatch.response.out.write(dispatch.response.http_status_message(404))
dispatch.response.out.write("\n")
return
else:
slice_option = dispatch.request.get('slice')
footer_option = dispatch.request.get('footer')
style_option = dispatch.request.get('style')
highlight_option = dispatch.request.get('highlight')
test = dispatch.request.get('test')
gist = gist_it.Gist.parse(location,
slice_option=slice_option,
footer_option=footer_option,
style_option=style_option,
highlight_option=highlight_option)
if not gist:
dispatch.response.set_status(500)
dispatch.response.out.write(
"Unable to parse \"%s\": Not a valid repository path?" %
(location))
dispatch.response.out.write("\n")
return
if _CACHE_ and dispatch.request.get('flush'):
dispatch.response.out.write(memcache.delete(memcache_key))
return
memcache_key = gist.raw_url
data = memcache.get(memcache_key)
if data is None or not _CACHE_:
base = dispatch.url_for()
# For below, see: http://stackoverflow.com/questions/2826238/does-google-appengine-cache-external-requests
response = urlfetch.fetch(gist.raw_url,
headers={'Cache-Control': 'max-age=300'})
if response.status_code != 200:
if response.status_code == 403:
dispatch.response.set_status(response.status_code)
elif response.status_code == 404:
dispatch.response.set_status(response.status_code)
else:
dispatch.response.set_status(500)
dispatch.response.out.write(
"Unable to fetch \"%s\": (%i)" %
(gist.raw_url, response.status_code))
return
else:
# I believe GitHub always returns a utf-8 encoding, so this should be safe
response_content = response.content.decode('utf-8')
gist_content = take_slice(response_content, gist.start_line,
gist.end_line)
gist_html = str(render_gist_html(base, gist,
gist_content)).strip()
callback = dispatch.request.get('callback')
if callback != '':
result = render_gist_js_callback(callback, gist, gist_html)
else:
result = render_gist_js(base, gist, gist_html)
result = str(result).strip()
data = result
if test:
if test == 'json':
dispatch.response.headers[
'Content-Type'] = 'application/json'
dispatch.response.out.write(
simplejson.dumps({
'gist': gist.value(),
'content': gist_content,
'html': gist_html,
}))
elif False and test == 'example':
pass
else:
dispatch.response.headers[
'Content-Type'] = 'text/plain'
dispatch.response.out.write(gist_html)
return
if _CACHE_:
memcache.add(memcache_key, data, 60 * 60 * 24)
dispatch.response.headers['Content-Type'] = 'text/javascript'
dispatch.response.out.write(data)