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import requests
import time
__all__ = ["init", "get_sounds", "Client", "InitError", "RequestError"]
BASE_URL = "https://api.pushover.net/1/"
MESSAGE_URL = BASE_URL + "messages.json"
USER_URL = BASE_URL + "users/validate.json"
SOUND_URL = BASE_URL + "sounds.json"
RECEIPT_URL = BASE_URL + "receipts/"
SOUNDS = None
TOKEN = None
def get_sounds():
global SOUNDS
if not SOUNDS:
request = Request("get", SOUND_URL, {})
SOUNDS = request.answer["sounds"]
return SOUNDS
def init(token, sound=False):
global TOKEN
TOKEN = token
if sound:
return get_sounds()
class InitError(Exception):
def __str__(self):
return "Init the pushover module by calling the init function"
class RequestError(Exception):
def __init__(self, errors):
Exception.__init__(self)
self.errors = errors
def __str__(self):
return "\n==> " + "\n==> ".join(self.errors)
class Request:
def __init__(self, request_type, url, payload):
if not TOKEN:
raise InitError
payload["token"] = TOKEN
request = getattr(requests, request_type)(url, params=payload)
self.answer = request.json()
if 400 <= request.status_code < 500:
raise RequestError(self.answer["errors"])
def __str__(self):
print self.answer
class MessageRequest(Request):
def __init__(self, payload):
Request.__init__(self, "post", MESSAGE_URL, payload)
self.receipt = None
if payload.get("priority", 0) == 2:
self.receipt = self.answer["receipt"]
self.parameters = ["expired", "called_back", "expired"]
for parameter in self.parameters:
setattr(self, parameter, False)
setattr(self, parameter + "_at", 0)
def poll(self):
if (self.receipt and not any(getattr(self, parameter)
for parameter in self.parameters)):
request = Request("get", RECEIPT_URL + self.receipt + ".json", {})
for parameter in self.parameters:
setattr(self, parameter, request.answer[parameter])
setattr(self, parameter + "_at",
request.answer[parameter + "_at"])
return request
class Client:
def __init__(self, user, device=None):
self.user = user
self.device = device
self.devices = []
def verify(self, device=None):
payload = {"user": self.user}
device = device or self.device
if device:
payload["device"] = device
try:
request = Request("post", USER_URL, payload)
except RequestError:
return False
self.devices = request.answer["devices"]
return True
def send_message(self, message, **kwords):
valid_keywords = ["title", "priority", "sound", "callback",
"timestamp", "url", "url_title", "device"]
payload = {"message": message, "user": self.user}
if self.device:
payload["device"] = self.device
for key, value in kwords.iteritems():
if key not in valid_keywords:
raise ValueError("{0}: invalid message parameter".format(key))
if key == "timestamp" and value:
payload[key] = time.time()
elif key == "sound":
if not SOUNDS:
get_sounds()
if value not in SOUNDS:
raise ValueError("{0}: invalid sound".format(value))
else:
payload[key] = value
elif value:
payload[key] = value
return MessageRequest(payload)
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