def isconnected(ping_url):
"""Whether the client application is connected to the Internet."""
try:
head_request(ping_url)
return True
except NetworkError:
return False
def isready(ping_url):
"""Whether the server is ready to receive synchronization
requests."""
try:
code, reason = head_request(ping_url)
return code // 100 == 2
except:
return False
