(MANUALLY ADDING PR FROM reedhaffner ) Add Plex as a platform

Author: rmountjoy92

dashmachine/platform/plex.py

@@ -0,0 +1,95 @@
+"""
+##### Plex Media Server
+Connect to Plex Media Server and see current sessions details
+```ini
+[variable_name]
+platform = plex
+url = http://plex_host:plex_port
+token = plex_token
+value_template = {{ value_template }}
+```
+> **Returns:** `value_template` as rendered string
+| Variable        | Required | Description                                                     | Options           |
+|-----------------|----------|-----------------------------------------------------------------|-------------------|
+| [variable_name] | Yes      | Name for the data source.                                       | [variable_name]   |
+| platform        | Yes      | Name of the platform.                                           | plex              |
+| host            | Yes      | URL of Plex Media Server (include port, normally 32400)         | url               |
+| token           | Yes      | X-Plex-Token (See [here](https://support.plex.tv/articles/204059436-finding-an-authentication-token-x-plex-token/) for how to find it.)                 | string            |
+| value_template  | Yes      | Jinja template for how the returned data from API is displayed. | jinja template    |
+<br />
+###### **Available fields for value_template**
+* sessions
+* transcodes
+* libraries
+> **Example:**
+>```ini
+>[plex]
+>platform = plex
+>host = http://plex.example.com:32400
+>token = abcde_fghi_jklmnopqr
+>value_template = Sessions: {{sessions}}<br />Transcodes: {{transcodes}}
+>
+>[Plex]
+>prefix = http://
+>url = plex.example.com:32400
+>icon = static/images/apps/plex.png
+>description = Plex data sources example
+>open_in = this_tab
+>data_sources = plex
+>```
+"""
+import requests
+from flask import render_template_string
+
+json_header = {"Accept": "application/json"}
+
+
+class Plex(object):
+    def __init__(self, url, token):
+        self.url = url
+        self.token = token
+
+    def refresh(self):
+        if self.token != None:
+            sessions = requests.get(
+                self.url + "/status/sessions?X-Plex-Token=" + self.token,
+                headers=json_header,
+            ).json()
+
+            self.sessions = sessions["MediaContainer"]["size"]
+
+            transcodes = requests.get(
+                self.url + "/transcode/sessions?X-Plex-Token=" + self.token,
+                headers=json_header,
+            ).json()
+
+            self.transcodes = transcodes["MediaContainer"]["size"]
+
+            libraries = requests.get(
+                self.url + "/library/sections?X-Plex-Token=" + self.token,
+                headers=json_header,
+            ).json()
+
+            self.libraries = libraries["MediaContainer"]["size"]
+
+
+class Platform:
+    def __init__(self, *args, **kwargs):
+        # parse the user's options from the config entries
+        for key, value in kwargs.items():
+            self.__dict__[key] = value
+
+        if not hasattr(self, "token"):
+            print(
+                "Please add a token\nSee https://support.plex.tv/articles/204059436-finding-an-authentication-token-x-plex-token/ to find it."
+            )
+            exit(1)
+        else:
+            self.plex = Plex(self.host, self.token)
+
+    def process(self):
+        self.plex.refresh()
+        value_template = render_template_string(
+            self.value_template, **self.plex.__dict__
+        )
+        return value_template