From b074e03d45ef75bde87cbf4bd9f53a432126ffbe Mon Sep 17 00:00:00 2001
From: Fabio Manganiello <blacklight86@gmail.com>
Date: Tue, 9 Jan 2018 01:26:51 +0100
Subject: [PATCH] - Support for workdir - Prepared draft for HttpPoll backend

---
 platypush/backend/http/poll/__init__.py | 50 +++++++++++++++++++++++++
 platypush/config/__init__.py            | 15 ++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 platypush/backend/http/poll/__init__.py

diff --git a/platypush/backend/http/poll/__init__.py b/platypush/backend/http/poll/__init__.py
new file mode 100644
index 0000000000..217b3e6c60
--- /dev/null
+++ b/platypush/backend/http/poll/__init__.py
@@ -0,0 +1,50 @@
+import json
+import requests
+
+from threading import Thread
+
+from platypush.message.response import Response
+
+from .. import Backend
+
+
+class HttpPollBackend(Backend):
+    """
+    This backend will poll multiple HTTP endpoints/services and return events
+    the bus whenever something new happened. Example configuration:
+
+    backend.http.poll:
+        services:
+            -
+                type: platypush.backend.http.service.ota.booking.GetReservations
+                args:
+                    token: YOUR_TOKEN
+                poll_seconds: 10  # Check for updates on this endpoint every 10 seconds
+                limit: 5  # Return the first 5 (new) results (default: all)
+    """
+
+    def __init__(self, services, *args, **kwargs):
+        """
+        Params:
+            services -- List/iterable of HttpService objects
+        """
+
+        super().__init__(*args, **kwargs)
+        self.services = services
+
+
+    def run(self):
+        super().run()
+
+    def send_message(self, msg):
+        pass
+
+    def on_stop(self):
+        pass
+
+    def stop(self):
+        super().stop()
+
+
+# vim:sw=4:ts=4:et:
+
diff --git a/platypush/config/__init__.py b/platypush/config/__init__.py
index dc7e3f68e8..9be7fa3e45 100644
--- a/platypush/config/__init__.py
+++ b/platypush/config/__init__.py
@@ -1,3 +1,4 @@
+import errno
 import logging
 import os
 import socket
@@ -30,6 +31,8 @@ class Config(object):
         os.path.join(os.sep, 'etc', 'platypush', 'config.yaml'),
     ]
 
+    _workdir_location = os.path.join(os.environ['HOME'], '.local', 'share', 'platypush')
+
     def __init__(self, cfgfile=None):
         """
         Constructor. Always use the class as a singleton (i.e. through
@@ -49,6 +52,10 @@ class Config(object):
         self._cfgfile = cfgfile
         self._config = self._read_config_file(self._cfgfile)
 
+        if 'workdir' not in self._config:
+            self._config['workdir'] = self._workdir_location
+        mkdir_p(self._config['workdir'])
+
         if 'logging' not in self._config:
             self._config['logging'] = logging.INFO
         else:
@@ -182,5 +189,13 @@ class Config(object):
         if _default_config_instance is None: _default_config_instance = Config()
         _default_config_instance._config[key] = key
 
+
+def mkdir_p(path):
+    try: os.makedirs(path)
+    except OSError as exc:  # Python >2.5
+        if exc.errno == errno.EEXIST and os.path.isdir(path): pass
+        else: raise
+
+
 # vim:sw=4:ts=4:et: