def __init__(self, hnd, params = {}):
self.hnd = hnd
self.response = hnd.response
self.request = hnd.request
self.params = params
for k in self.request.arguments():
self.params[k] = self.request.get_all(k)
if len(self.params[k]) == 1:
self.params[k] = self.params[k][0]
self._controller = params['controller']
self._action = params['action']
self.has_rendered = False
self.__config = gaeo.Config()
self.__tpldir = os.path.join(
self.__config.template_dir,
self._controller
)
self._template_values = {}
# implement parameter nesting as in rails
self.params=self.__nested_params(self.params)
# detect the mobile platform
self._is_mobile = self.__detect_mobile()
# alias the cookies
self.cookies = self.request.cookies
# create the session
try:
store = self.__config.session_store
exec('from gaeo.session.%s import %sSession' %
(store, store.capitalize()))
self.session = eval('%sSession' % store.capitalize())(
hnd, '%s_session' % self.__config.app_name)
self.flash = FlashObject(self.session)
except:
raise errors.ControllerInitError('Initialize Session Error!')
# add request method (get, post, head, put, ....)
env = self.request.environ
self._request_method = env.get('REQUEST_METHOD').lower()
# tell if an ajax call (X-Request)
self._is_xhr = env.has_key('HTTP_X_REQUESTED_WITH') and \
env.get('HTTP_X_REQUESTED_WITH') == 'XMLHttpRequest'
# add helpers
helpers = dir(helper)
for h in helpers:
if not re.match('^__', h):
self.__dict__[h] = new.instancemethod(eval('helper.%s' % h), self, BaseController)
# view object
self.view = BaseView(self)
class BaseController(object):
"""The BaseController is the base class of action controllers.
Action controller handles the requests from clients.
"""
def __init__(self, hnd, params = {}):
self.hnd = hnd
self.response = hnd.response
self.request = hnd.request
self.params = params
request_params = self.request.params.mixed()
for k in request_params:
self.params[k] = hnd.request.get(k)
self._controller = params['controller']
self._action = params['action']
self.has_rendered = False
self.__config = gaeo.Config()
self.__tpldir = os.path.join(
self.__config.template_dir,
self._controller
)
self._template_values = {}
# implement parameter nesting as in rails
self.params=self.__nested_params(self.params)
# detect the mobile platform
self._is_mobile = self.__detect_mobile()
# alias the cookies
self.cookies = self.request.cookies
# create the session
try:
store = self.__config.session_store
exec('from gaeo.session.%s import %sSession' %
(store, store.capitalize()))
self.session = eval('%sSession' % store.capitalize())(
hnd, '%s_session' % self.__config.app_name)
except:
raise errors.ControllerInitError('Initialize Session Error!')
# add request method (get, post, head, put, ....)
env = self.request.environ
self._request_method = env.get('REQUEST_METHOD').lower()
# tell if an ajax call (X-Request)
self._is_xhr = env.has_key('HTTP_X_REQUESTED_WITH') and \
env.get('HTTP_X_REQUESTED_WITH') == 'XMLHttpRequest'
# add helpers
helpers = dir(helper)
for h in helpers:
if not re.match('^__', h):
self.__dict__[h] = new.instancemethod(eval('helper.%s' % h), self, BaseController)
# view object
self.view = BaseView(self)
def before_action(self):
pass
def after_action(self):
pass
def invalid_action(self):
""" If the router went to an invalid action """
self.hnd.error(404)
self.render(text="Invalid action")
def to_json(self, obj, **kwds):
""" Convert a dict to JSON. Inspired from SimpleJSON """
from gaeo.controller.jsonencoder import JSONEncoder
if not kwds:
return JSONEncoder(skipkeys=False, ensure_ascii=True, check_circular=True,
allow_nan=True, indent=None, separators=None, encoding='utf-8',
default=None).encode(obj)
else:
return JSONEncoder(
skipkeys=False, ensure_ascii=True, check_circular=True,
allow_nan=True, indent=None, separators=None,
encoding='utf-8', default=None, **kwds).encode(obj)
def render(self, *html, **opt):
hdrs = {}
content_type = 'text/html; charset=utf-8'
if html:
content = (''.join(html)).decode('utf-8')
elif opt:
# if the expires header is set
if opt.has_key('expires'):
hdrs['Expires'] = opt.get('expires')
if opt.has_key('html'):
content = opt.get('html').decode('utf-8')
elif opt.has_key('text'):
content_type = 'text/plain; charset=utf-8'
content = str(opt.get('text')).decode('utf-8')
elif opt.has_key('json'):
content_type = 'application/json; charset=utf-8'
content = opt.get('json').decode('utf-8')
elif opt.has_key('xml'):
content_type = 'text/xml; charset=utf-8'
content = opt.get('xml').decode('utf-8')
elif opt.has_key('script'):
content_type = 'text/javascript; charset=utf-8'
content = opt.get('script').decode('utf-8')
elif opt.has_key('template'):
context = self.__dict__
if isinstance(opt.get('values'), dict):
context.update(opt.get('values'))
try:
import gettext
from gaeo import Config
conf = Config()
# FIXME: get browser locale or user-specified locale
cur_locale = ['en']
lang = gettext.translation('%s_%s' % (self._controller, self._action),
conf.messages_dir, cur_locale)
for item in context.keys():
# FIXME: does it make sense?
if isinstance(context.get(item), basestring):
context[item] = lang.gettext(context[item])
except:
# do nothing if fails in translation
pass
content = template.render(
os.path.join(self.__tpldir,
opt.get('template') + '.html'),
context
)
elif opt.has_key('template_string'):
context = self.__dict__
if isinstance(opt.get('values'), dict):
context.update(opt.get('values'))
from django.template import Context, Template
t = Template(opt.get('template_string').encode('utf-8'))
c = Context(context)
content = t.render(c)
elif opt.has_key('image'): # for sending an image content
import imghdr
img_type = imghdr.what('ignored_filename', opt.get('image'))
content_type = 'image/' + img_type
content = opt.get('image')
elif opt.has_key('css'): # for css rendering
content_type = 'text/css'
content = opt.get('css')
else:
raise errors.ControllerRenderTypeError('Render type error')
hdrs['Content-Type'] = content_type
hdrs.update(opt.get('hdr', {}))
self.view.render(content, hdrs)
self.has_rendered = True
def redirect(self, url, perm = False):
self.has_rendered = True # dirty hack, make gaeo don't find the template
self.hnd.redirect(url, perm)
def respond_to(self, **blk):
""" according to self.params['format'] to respond appropriate stuff
"""
if self.params.has_key('format') and blk.has_key(self.params['format']):
logging.error(self.params['format'])
blk[self.params['format']]()
def __detect_mobile(self):
h = self.request.headers
ua = h.get('User-Agent', '').lower()
# iphone
if ua.find('iphone') > -1 or ua.find('ipod') > -1:
self._is_iphone = True
return True
# android
if ua.find('android') > -1:
self._is_android = True
return True
# wap.wml
ha = h.get('Accept')
if ha and (ha.find('text/vnd.wap.wml') > -1 or ha.find('application/vnd.wap.xhtml+xml') > -1):
return True
wap_profile = h.get('X-Wap-Profile')
profile = h.get("Profile")
opera_mini = h.get('X-OperaMini-Features')
ua_pixels = h.get('UA-pixels')
if wap_profile or profile or opera_mini or ua_pixels:
return True
# FIXME: add common user agents
common_uas = ['sony', 'noki', 'java', 'midp', 'benq', 'wap-', 'wapi', 'mobi', 'kddi']
if ua and ua[0:4] in common_uas:
return True
return False
# Helper methods for parameter nesting as in rails
def __appender(self,dict,arr,val):
if len(arr) > 1:
try:
dict[arr[0]]
except KeyError:
dict[arr[0]]={}
return {arr[0]: self.__appender(dict[arr[0]],arr[1:],val)}
else:
dict[arr[0]]=val
return
def __nested_params(self, prm):
prm2={}
for param in prm:
parray = param.replace(']', '').split('[')
if len(parray) == 1:
parray = parray[0].split('-')
self.__appender(prm2, parray, prm[param])
return prm2
def __init__(self, hnd, params={}):
self.hnd = hnd
self.response = hnd.response
self.request = hnd.request
self.params = params
for k in self.request.arguments():
self.params[k] = self.request.get_all(k)
if len(self.params[k]) == 1:
self.params[k] = self.params[k][0]
self._controller = params['controller']
self._action = params['action']
self.has_rendered = False
self.__config = gaeo.Config()
self.__tpldir = os.path.join(self.__config.template_dir,
self._controller)
self._template_values = {}
# implement parameter nesting as in rails
self.params = self.__nested_params(self.params)
# detect the mobile platform
self._is_mobile = self.__detect_mobile()
# alias the cookies
self.cookies = self.request.cookies
# create the session
try:
store = self.__config.session_store
exec 'from gaeo.session.%s import %sSession' % (store,
store.capitalize())
self.session = eval('%sSession' % store.capitalize())(
hnd, '%s_session' % self.__config.app_name)
self.flash = FlashObject(self.session)
except:
raise errors.ControllerInitError('Initialize Session Error!')
# add request method (get, post, head, put, ....)
env = self.request.environ
self._request_method = env.get('REQUEST_METHOD').lower()
# tell if an ajax call (X-Request)
self._is_xhr = env.has_key('HTTP_X_REQUESTED_WITH')\
and env.get('HTTP_X_REQUESTED_WITH') == 'XMLHttpRequest'
# add helpers
helpers = dir(helper)
for h in helpers:
if not re.match('^__', h):
self.__dict__[h] = new.instancemethod(eval('helper.%s' % h),
self, BaseController)
# view object
self.view = BaseView(self)
class BaseController(object):
"""The BaseController is the base class of action controllers.
Action controller handles the requests from clients.
"""
def __init__(self, hnd, params={}):
self.hnd = hnd
self.response = hnd.response
self.request = hnd.request
self.params = params
for k in self.request.arguments():
self.params[k] = self.request.get_all(k)
if len(self.params[k]) == 1:
self.params[k] = self.params[k][0]
self._controller = params['controller']
self._action = params['action']
self.has_rendered = False
self.__config = gaeo.Config()
self.__tpldir = os.path.join(self.__config.template_dir,
self._controller)
self._template_values = {}
# implement parameter nesting as in rails
self.params = self.__nested_params(self.params)
# detect the mobile platform
self._is_mobile = self.__detect_mobile()
# alias the cookies
self.cookies = self.request.cookies
# create the session
try:
store = self.__config.session_store
exec 'from gaeo.session.%s import %sSession' % (store,
store.capitalize())
self.session = eval('%sSession' % store.capitalize())(
hnd, '%s_session' % self.__config.app_name)
self.flash = FlashObject(self.session)
except:
raise errors.ControllerInitError('Initialize Session Error!')
# add request method (get, post, head, put, ....)
env = self.request.environ
self._request_method = env.get('REQUEST_METHOD').lower()
# tell if an ajax call (X-Request)
self._is_xhr = env.has_key('HTTP_X_REQUESTED_WITH')\
and env.get('HTTP_X_REQUESTED_WITH') == 'XMLHttpRequest'
# add helpers
helpers = dir(helper)
for h in helpers:
if not re.match('^__', h):
self.__dict__[h] = new.instancemethod(eval('helper.%s' % h),
self, BaseController)
# view object
self.view = BaseView(self)
def before_action(self):
pass
def after_action(self):
pass
def invalid_action(self):
""" If the router went to an invalid action """
self.hnd.error(404)
self.render(text='Invalid action')
def from_json(self, json):
""" Convert a JSON string to python object """
from django.utils import simplejson
return simplejson.loads(json)
def to_json(self, obj):
""" Convert a dict/list to JSON. Use simplejson """
from django.utils import simplejson
return simplejson.dumps(obj)
def render(self, *html, **opt):
hdrs = {}
content_type = 'text/html; charset=utf-8'
if html:
content = ''.join(html).decode('utf-8')
elif opt:
# if the expires header is set
if opt.has_key('expires'):
hdrs['Expires'] = opt.get('expires')
if opt.has_key('html'):
content = opt.get('html').decode('utf-8')
elif opt.has_key('text'):
content_type = 'text/plain; charset=utf-8'
content = str(opt.get('text')).decode('utf-8')
elif opt.has_key('json'):
content_type = 'application/json; charset=utf-8'
content = opt.get('json').decode('utf-8')
elif opt.has_key('xml'):
content_type = 'text/xml; charset=utf-8'
content = opt.get('xml').decode('utf-8')
elif opt.has_key('script'):
content_type = 'text/javascript; charset=utf-8'
content = opt.get('script').decode('utf-8')
elif opt.has_key('template'):
context = self.__dict__
if isinstance(opt.get('values'), dict):
context.update(opt.get('values'))
try:
import gettext
from gaeo import Config
conf = Config()
# FIXME: get browser locale or user-specified locale
cur_locale = ['en']
lang = gettext.translation(
'%s_%s' % (self._controller, self._action),
conf.messages_dir, cur_locale)
for item in context.keys():
# FIXME: does it make sense?
if isinstance(context.get(item), basestring):
context[item] = lang.gettext(context[item])
except:
# do nothing if fails in translation
pass
content = template.render(
os.path.join(self.__tpldir,
opt.get('template') + '.html'), context)
elif opt.has_key('template_string'):
context = self.__dict__
if isinstance(opt.get('values'), dict):
context.update(opt.get('values'))
from django.template import Context, Template
t = Template(opt.get('template_string').encode('utf-8'))
c = Context(context)
content = t.render(c)
elif opt.has_key('image'):
# for sending an image content
import imghdr
img_type = imghdr.what('ignored_filename', opt.get('image'))
content_type = 'image/' + img_type
content = opt.get('image')
elif opt.has_key('css'):
# for css rendering
content_type = 'text/css'
content = opt.get('css')
elif opt.has_key('file'):
content_type = opt.get('content_type',
'application/octet-stream')
if opt.has_key('filename'):
hdrs[
'Content-Disposition'] = 'attachment; filename=' + opt.get(
'filename')
content = opt.get('file')
else:
raise errors.ControllerRenderTypeError('Render type error')
hdrs['Content-Type'] = content_type
hdrs.update(opt.get('hdr', {}))
self.view.render(content, hdrs)
self.has_rendered = True
def redirect(self, url, perm=False):
self.has_rendered = True # dirty hack, make gaeo don't find the template
self.hnd.redirect(url, perm)
def respond_to(self, **blk):
""" according to self.params['format'] to respond appropriate stuff
"""
if self.params.has_key('format')\
and blk.has_key(self.params['format']):
logging.error(self.params['format'])
blk[self.params['format']]()
def __detect_mobile(self):
h = self.request.headers
ua = h.get('User-Agent', '').lower()
# iphone
if ua.find('iphone') > -1 or ua.find('ipod') > -1:
self._is_iphone = True
return True
# android
if ua.find('android') > -1:
self._is_android = True
return True
# wap.wml
ha = h.get('Accept')
if ha and (ha.find('text/vnd.wap.wml') > -1
or ha.find('application/vnd.wap.xhtml+xml') > -1):
return True
wap_profile = h.get('X-Wap-Profile')
profile = h.get('Profile')
opera_mini = h.get('X-OperaMini-Features')
ua_pixels = h.get('UA-pixels')
if wap_profile or profile or opera_mini or ua_pixels:
return True
# FIXME: add common user agents
common_uas = [
'sony',
'noki',
'java',
'midp',
'benq',
'wap-',
'wapi',
'mobi',
'kddi',
]
if ua and ua[0:4] in common_uas:
return True
return False
# Helper methods for parameter nesting as in rails
def __appender(
self,
dict,
arr,
val,
):
if len(arr) > 1:
try:
dict[arr[0]]
except KeyError:
dict[arr[0]] = {}
return {arr[0]: self.__appender(dict[arr[0]], arr[1:], val)}
else:
dict[arr[0]] = val
return
def __nested_params(self, prm):
prm2 = {}
for param in prm:
parray = param.replace(']', '').split('[')
if len(parray) == 1:
parray = parray[0].split('-')
self.__appender(prm2, parray, prm[param])
return prm2