def include_files(self, extensions=None):
"""
Includes files (usually in the head).
Can minify and cache local files
By default, caches in ram for 5 minutes. To change,
response.cache_includes = (cache_method, time_expire).
Example: (cache.disk, 60) # caches to disk for 1 minute.
"""
app = current.request.application
# We start by building a files list in which adjacent files internal to
# the application are placed in a list inside the files list.
#
# We will only minify and concat adjacent internal files as there's
# no way to know if changing the order with which the files are apppended
# will break things since the order matters in both CSS and JS and
# internal files may be interleaved with external ones.
files = []
# For the adjacent list we're going to use storage List to both distinguish
# from the regular list and so we can add attributes
internal = List()
internal.has_js = False
internal.has_css = False
done = set() # to remove duplicates
for item in self.files:
if not isinstance(item, list):
if item in done:
continue
done.add(item)
if isinstance(item, (list, tuple)) or not item.startswith('/' + app): # also consider items in other web2py applications to be external
if internal:
files.append(internal)
internal = List()
internal.has_js = False
internal.has_css = False
files.append(item)
continue
if extensions and not item.rpartition('.')[2] in extensions:
continue
internal.append(item)
if item.endswith('.js'):
internal.has_js = True
if item.endswith('.css'):
internal.has_css = True
if internal:
files.append(internal)
# We're done we can now minify
if have_minify:
for i, f in enumerate(files):
if isinstance(f, List) and ((self.optimize_css and f.has_css) or (self.optimize_js and f.has_js)):
# cache for 5 minutes by default
key = hashlib_md5(repr(f)).hexdigest()
cache = self.cache_includes or (current.cache.ram, 60 * 5)
def call_minify(files=f):
return List(minify.minify(files,
URL('static', 'temp'),
current.request.folder,
self.optimize_css,
self.optimize_js))
if cache:
cache_model, time_expire = cache
files[i] = cache_model('response.files.minified/' + key,
call_minify,
time_expire)
else:
files[i] = call_minify()
def static_map(s, item):
if isinstance(item, str):
f = item.lower().split('?')[0]
ext = f.rpartition('.')[2]
# if static_version we need also to check for
# static_version_urls. In that case, the _.x.x.x
# bit would have already been added by the URL()
# function
if self.static_version and not self.static_version_urls:
item = item.replace(
'/static/', '/static/_%s/' % self.static_version, 1)
tmpl = template_mapping.get(ext)
if tmpl:
s.append(tmpl % item)
elif isinstance(item, (list, tuple)):
f = item[0]
tmpl = template_mapping.get(f)
if tmpl:
s.append(tmpl % item[1])
s = []
for item in files:
if isinstance(item, List):
for f in item:
static_map(s, f)
else:
static_map(s, item)
self.write(''.join(s), escape=False)
def include_files(self, extensions=None):
"""
Includes files (usually in the head).
Can minify and cache local files
By default, caches in ram for 5 minutes. To change,
response.cache_includes = (cache_method, time_expire).
Example: (cache.disk, 60) # caches to disk for 1 minute.
"""
files = []
ext_files = []
has_js = has_css = False
for item in self.files:
if isinstance(item, (list, tuple)):
ext_files.append(item)
continue
if extensions and not item.rpartition('.')[2] in extensions:
continue
if item in files:
continue
if item.endswith('.js'):
has_js = True
if item.endswith('.css'):
has_css = True
files.append(item)
if have_minify and ((self.optimize_css and has_css) or (self.optimize_js and has_js)):
# cache for 5 minutes by default
key = hashlib_md5(repr(files)).hexdigest()
cache = self.cache_includes or (current.cache.ram, 60 * 5)
def call_minify(files=files):
return minify.minify(files,
URL('static', 'temp'),
current.request.folder,
self.optimize_css,
self.optimize_js)
if cache:
cache_model, time_expire = cache
files = cache_model('response.files.minified/' + key,
call_minify,
time_expire)
else:
files = call_minify()
files.extend(ext_files)
s = []
for item in files:
if isinstance(item, str):
f = item.lower().split('?')[0]
ext = f.rpartition('.')[2]
# if static_version we need also to check for
# static_version_urls. In that case, the _.x.x.x
# bit would have already been added by the URL()
# function
if self.static_version and not self.static_version_urls:
item = item.replace(
'/static/', '/static/_%s/' % self.static_version, 1)
tmpl = template_mapping.get(ext)
if tmpl:
s.append(tmpl % item)
elif isinstance(item, (list, tuple)):
f = item[0]
tmpl = template_mapping.get(f)
if tmpl:
s.append(tmpl % item[1])
self.write(''.join(s), escape=False)
def wrapped_f():
if current.request.env.request_method != 'GET':
return func()
if quick:
session_ = True if 'S' in quick else False
vars_ = True if 'V' in quick else False
lang_ = True if 'L' in quick else False
user_agent_ = True if 'U' in quick else False
public_ = True if 'P' in quick else False
else:
(session_, vars_, lang_, user_agent_, public_) = \
(session, vars, lang, user_agent, public)
expires = 'Fri, 01 Jan 1990 00:00:00 GMT'
if time_expire:
cache_control = 'max-age=%(time_expire)s, s-maxage=%(time_expire)s' % dict(time_expire=time_expire)
expires = (current.request.utcnow + datetime.timedelta(seconds=time_expire)).strftime(
'%a, %d %b %Y %H:%M:%S GMT')
else:
cache_control = 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0'
cache_control += ', public' if not session_ and public_ else ', private'
if cache_model:
# figure out the correct cache key
cache_key = [current.request.env.path_info, current.response.view]
if session_:
cache_key.append(current.response.session_id)
elif user_agent_:
if user_agent_ is True:
cache_key.append("%(is_mobile)s_%(is_tablet)s" % current.request.user_agent())
else:
cache_key.append(str(list(user_agent_.items())))
if vars_:
cache_key.append(current.request.env.query_string)
if lang_:
cache_key.append(current.T.accepted_language)
cache_key = hashlib_md5('__'.join(cache_key)).hexdigest()
if prefix:
cache_key = prefix + cache_key
try:
# action returns something
rtn = cache_model(cache_key, lambda: func(), time_expire=time_expire)
http, status = None, current.response.status
except HTTP as e:
# action raises HTTP (can still be valid)
rtn = cache_model(cache_key, lambda: e.body, time_expire=time_expire)
http, status = HTTP(e.status, rtn, **e.headers), e.status
else:
# action raised a generic exception
http = None
else:
# no server-cache side involved
try:
# action returns something
rtn = func()
http, status = None, current.response.status
except HTTP as e:
# action raises HTTP (can still be valid)
status = e.status
http = HTTP(e.status, e.body, **e.headers)
else:
# action raised a generic exception
http = None
send_headers = False
if http and isinstance(valid_statuses, list):
if status in valid_statuses:
send_headers = True
elif valid_statuses is None:
if str(status)[0] in '123':
send_headers = True
if send_headers:
headers = {'Pragma': None,
'Expires': expires,
'Cache-Control': cache_control}
current.response.headers.update(headers)
if cache_model and not send_headers:
# we cached already the value, but the status is not valid
# so we need to delete the cached value
cache_model(cache_key, None)
if http:
if send_headers:
http.headers.update(current.response.headers)
raise http
return rtn
def include_files(self, extensions=None):
"""
Includes files (usually in the head).
Can minify and cache local files
By default, caches in ram for 5 minutes. To change,
response.cache_includes = (cache_method, time_expire).
Example: (cache.disk, 60) # caches to disk for 1 minute.
"""
app = current.request.application
# We start by building a files list in which adjacent files internal to
# the application are placed in a list inside the files list.
#
# We will only minify and concat adjacent internal files as there's
# no way to know if changing the order with which the files are apppended
# will break things since the order matters in both CSS and JS and
# internal files may be interleaved with external ones.
files = []
# For the adjacent list we're going to use storage List to both distinguish
# from the regular list and so we can add attributes
internal = List()
internal.has_js = False
internal.has_css = False
done = set() # to remove duplicates
for item in self.files:
if not isinstance(item, list):
if item in done:
continue
done.add(item)
if isinstance(item, (list, tuple)) or not item.startswith('/' + app): # also consider items in other web2py applications to be external
if internal:
files.append(internal)
internal = List()
internal.has_js = False
internal.has_css = False
files.append(item)
continue
if extensions and not item.rpartition('.')[2] in extensions:
continue
internal.append(item)
if item.endswith('.js'):
internal.has_js = True
if item.endswith('.css'):
internal.has_css = True
if internal:
files.append(internal)
# We're done we can now minify
if have_minify:
for i, f in enumerate(files):
if isinstance(f, List) and ((self.optimize_css and f.has_css) or (self.optimize_js and f.has_js)):
# cache for 5 minutes by default
key = hashlib_md5(repr(f)).hexdigest()
cache = self.cache_includes or (current.cache.ram, 60 * 5)
def call_minify(files=f):
return List(minify.minify(files,
URL('static', 'temp'),
current.request.folder,
self.optimize_css,
self.optimize_js))
if cache:
cache_model, time_expire = cache
files[i] = cache_model('response.files.minified/' + key,
call_minify,
time_expire)
else:
files[i] = call_minify()
def static_map(s, item):
if isinstance(item, str):
f = item.lower().split('?')[0]
ext = f.rpartition('.')[2]
# if static_version we need also to check for
# static_version_urls. In that case, the _.x.x.x
# bit would have already been added by the URL()
# function
if self.static_version and not self.static_version_urls:
item = item.replace(
'/static/', '/static/_%s/' % self.static_version, 1)
tmpl = template_mapping.get(ext)
if tmpl:
s.append(tmpl % item)
elif isinstance(item, (list, tuple)):
f = item[0]
tmpl = template_mapping.get(f)
if tmpl:
s.append(tmpl % item[1])
s = []
for item in files:
if isinstance(item, List):
for f in item:
static_map(s, f)
else:
static_map(s, item)
self.write(''.join(s), escape=False)
def include_files(self, extensions=None):
"""
Includes files (usually in the head).
Can minify and cache local files
By default, caches in ram for 5 minutes. To change,
response.cache_includes = (cache_method, time_expire).
Example: (cache.disk, 60) # caches to disk for 1 minute.
"""
files = []
ext_files = []
has_js = has_css = False
for item in self.files:
if isinstance(item, (list, tuple)):
ext_files.append(item)
continue
if extensions and not item.rpartition('.')[2] in extensions:
continue
if item in files:
continue
if item.endswith('.js'):
has_js = True
if item.endswith('.css'):
has_css = True
files.append(item)
if have_minify and ((self.optimize_css and has_css) or (self.optimize_js and has_js)):
# cache for 5 minutes by default
key = hashlib_md5(repr(files)).hexdigest()
cache = self.cache_includes or (current.cache.ram, 60 * 5)
def call_minify(files=files):
return minify.minify(files,
URL('static', 'temp'),
current.request.folder,
self.optimize_css,
self.optimize_js)
if cache:
cache_model, time_expire = cache
files = cache_model('response.files.minified/' + key,
call_minify,
time_expire)
else:
files = call_minify()
files.extend(ext_files)
s = []
for item in files:
if isinstance(item, str):
f = item.lower().split('?')[0]
ext = f.rpartition('.')[2]
# if static_version we need also to check for
# static_version_urls. In that case, the _.x.x.x
# bit would have already been added by the URL()
# function
if self.static_version and not self.static_version_urls:
item = item.replace(
'/static/', '/static/_%s/' % self.static_version, 1)
tmpl = template_mapping.get(ext)
if tmpl:
s.append(tmpl % item)
elif isinstance(item, (list, tuple)):
f = item[0]
tmpl = template_mapping.get(f)
if tmpl:
s.append(tmpl % item[1])
self.write(''.join(s), escape=False)
def wrapped_f():
if current.request.env.request_method != 'GET':
return func()
if quick:
session_ = True if 'S' in quick else False
vars_ = True if 'V' in quick else False
lang_ = True if 'L' in quick else False
user_agent_ = True if 'U' in quick else False
public_ = True if 'P' in quick else False
else:
(session_, vars_, lang_, user_agent_, public_) = \
(session, vars, lang, user_agent, public)
expires = 'Fri, 01 Jan 1990 00:00:00 GMT'
if time_expire:
cache_control = 'max-age=%(time_expire)s, s-maxage=%(time_expire)s' % dict(
time_expire=time_expire)
expires = (current.request.utcnow +
datetime.timedelta(seconds=time_expire)
).strftime('%a, %d %b %Y %H:%M:%S GMT')
else:
cache_control = 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0'
cache_control += ', public' if not session_ and public_ else ', private'
if cache_model:
# figure out the correct cache key
cache_key = [
current.request.env.path_info, current.response.view
]
if session_:
cache_key.append(current.response.session_id)
elif user_agent_:
if user_agent_ is True:
cache_key.append("%(is_mobile)s_%(is_tablet)s" %
current.request.user_agent())
else:
cache_key.append(str(list(user_agent_.items())))
if vars_:
cache_key.append(current.request.env.query_string)
if lang_:
cache_key.append(current.T.accepted_language)
cache_key = hashlib_md5('__'.join(cache_key)).hexdigest()
if prefix:
cache_key = prefix + cache_key
try:
# action returns something
rtn = cache_model(cache_key,
lambda: func(),
time_expire=time_expire)
http, status = None, current.response.status
except HTTP as e:
# action raises HTTP (can still be valid)
rtn = cache_model(cache_key,
lambda: e.body,
time_expire=time_expire)
http, status = HTTP(e.status, rtn,
**e.headers), e.status
else:
# action raised a generic exception
http = None
else:
# no server-cache side involved
try:
# action returns something
rtn = func()
http, status = None, current.response.status
except HTTP as e:
# action raises HTTP (can still be valid)
status = e.status
http = HTTP(e.status, e.body, **e.headers)
else:
# action raised a generic exception
http = None
send_headers = False
if http and isinstance(valid_statuses, list):
if status in valid_statuses:
send_headers = True
elif valid_statuses is None:
if str(status)[0] in '123':
send_headers = True
if send_headers:
headers = {
'Pragma': None,
'Expires': expires,
'Cache-Control': cache_control
}
current.response.headers.update(headers)
if cache_model and not send_headers:
# we cached already the value, but the status is not valid
# so we need to delete the cached value
cache_model(cache_key, None)
if http:
if send_headers:
http.headers.update(current.response.headers)
raise http
return rtn
