def validate_credentials(self, username, password):
"""
to use basic login with a different server
from gluon.contrib.login_methods.basic_auth import basic_auth
auth.settings.login_methods.append(basic_auth('http://server'))
"""
key = base64.b64encode(username + ':' + password)
headers = {'Authorization': 'Basic ' + key}
request = urllib2.Request(self.server, None, headers)
try:
urlopen(request)
return True
except (urllib2.URLError, urllib2.HTTPError):
return False
def check_new_version(myversion, version_url):
"""Compares current web2py's version with the latest stable web2py version.
Args:
myversion: the current version as stored in file `web2py/VERSION`
version_URL: the URL that contains the version
of the latest stable release
Returns:
tuple: state, version
- state : `True` if upgrade available, `False` if current
version is up-to-date, -1 on error
- version : the most up-to-version available
"""
try:
version = to_native(urlopen(version_url).read())
pversion = parse_version(version)
pmyversion = parse_version(myversion)
except IOError:
import traceback
print(traceback.format_exc())
return -1, myversion
if pversion[:3] + pversion[-6:] > pmyversion[:3] + pmyversion[-6:]:
return True, version
else:
return False, version
def upgrade(request, url='http://web2py.com'):
"""Upgrades web2py (src, osx, win) if a new version is posted.
It detects whether src, osx or win is running and downloads the right one
Args:
request: the current request object
(required to determine version and path)
url: the incomplete url where to locate the latest web2py
(actual url is url+'/examples/static/web2py_(src|osx|win).zip')
Returns
tuple: completed, traceback
- completed: True on success, False on failure
(network problem or old version)
- traceback: None on success, raised exception details on failure
"""
web2py_version = request.env.web2py_version
gluon_parent = request.env.gluon_parent
if not gluon_parent.endswith('/'):
gluon_parent += '/'
(check, version) = check_new_version(web2py_version,
url + '/examples/default/version')
if not check:
return False, 'Already latest version'
if os.path.exists(os.path.join(gluon_parent, 'web2py.exe')):
version_type = 'win'
destination = gluon_parent
subfolder = 'web2py/'
elif gluon_parent.endswith('/Contents/Resources/'):
version_type = 'osx'
destination = gluon_parent[:-len('/Contents/Resources/')]
subfolder = 'web2py/web2py.app/'
else:
version_type = 'src'
destination = gluon_parent
subfolder = 'web2py/'
full_url = url + '/examples/static/web2py_%s.zip' % version_type
filename = abspath('web2py_%s_downloaded.zip' % version_type)
try:
write_file(filename, urlopen(full_url).read(), 'wb')
except Exception as e:
return False, e
try:
unzip(filename, destination, subfolder)
return True, None
except Exception as e:
return False, e