add targets

requirements.txt

@@ -2,3 +2,4 @@ requests==2.18.4
 schedule==0.4.3
 matplotlib==2.0.2
 numpy==1.13.1
+matrix_client==0.1.0

targets.py

@@ -0,0 +1,76 @@
+import logging
+
+import requests
+
+from matrix_client.client import MatrixClient as MatrixApiClient
+from matrix_client.errors import MatrixError
+
+class Client:
+	def send_image(self, target, path, name, content_type="image/png"):
+		raise NotImplementedError()
+	
+	def send_text(self, target, text):
+		raise NotImplementedError()
+	
+
+class MatrixClient(Client):
+
+	def __init__(self, host, username, password):
+		self.client = MatrixApiClient(host)
+		self.client.login_with_password_no_sync(username=username, password=password)
+		self.log = logging.getLogger(__name__)
+	
+	def _get_room(self, target):
+		if target not in self.client.rooms:
+			try:
+				self.client.join_room(target)
+			except MatrixError as e:
+				self.log.error("could not join room '" + target + "'")
+				self.log.exception(e)
+				return None
+		return self.client.rooms[target]
+	
+	def send_image(self, target, path, name, content_type="image/png"):
+		"""Send an image to a room
+	
+		Args:
+			target (str): The internal room id to post into
+			path (str/Path-like): The path to the image file
+			name (str): The name for the file in the room
+			content_type (str): Content-type of the image
+		"""
+		with open(path, "rb") as src:
+			data = src.read()
+		try:
+			mxc = self.client.api.media_upload(data, content_type)
+		except MatrixError as e:
+			self.log.exception(e)
+			return
+		room = self._get_room(target)
+		if room:
+			room.send_image(mxc['content_uri'], name)
+	
+	def send_text(self, target, text):
+		room = self._get_room(target)
+		if room:
+			room.send_text(text)
+
+class TelegramClient(Client):
+
+	MESSAGE_URL = "https://api.telegram.org/bot{token}/sendMessage"
+	IMAGE_URL = "https://api.telegram.org/bot{token}/sendPhoto"
+
+	def __init__(self, token):
+		self.text_url = self.MESSAGE_URL.format(token=token)
+		self.image_url = self.IMAGE_URL.format(token=token)
+		self.log = logging.getLogger(__name__)
+	
+	def send_image(self, target, path, name, content_type="image/png"):
+		files = {'photo': open(path, "rb")}
+		values = {"chat_id": target}
+		r = requests.post(self.image_url, files=files, data=values)
+		self.log.info("post photo: %s", r.status_code)
+	
+	def send_text(self, target, text):
+		response = requests.post(self.text_url, data={'chat_id': target, "text": text})
+		self.log.info("post message: %s", response.status_code)