Improve DNS lookup for PlatformIO API

HISTORY.rst

@@ -9,7 +9,8 @@ PlatformIO 2.0
 
 * Launched `PlatformIO Community Forums <http://community.platformio.org>`_
   (`issue #530 <https://github.com/platformio/platformio/issues/530>`_)
-* Disable progress bar for download operations when prompts are disabled
+* Improved DNS lookup for PlatformIO API
+* Disabled progress bar for download operations when prompts are disabled
 * Fixed multiple definition errors for ST STM32 development platform and mbed
   framework
   (`issue #571 <https://github.com/platformio/platformio/issues/571>`_)

platformio/__init__.py

@@ -33,6 +33,7 @@ __license__ = "Apache Software License"
 __copyright__ = "Copyright 2014-2016 Ivan Kravets"
 
 __apiurl__ = "http://api.platformio.org"
+__apiip__ = "178.62.159.183"
 
 
 if sys.version_info >= (3, 0, 0):

platformio/util.py

@@ -24,7 +24,7 @@ from os.path import abspath, basename, dirname, expanduser, isdir, isfile, join
 from platform import system, uname
 from threading import Thread
 
-from platformio import __apiurl__, __version__, exception
+from platformio import __apiip__, __apiurl__, __version__, exception
 
 # pylint: disable=wrong-import-order
 try:
@@ -322,18 +322,26 @@ def get_request_defheaders():
     )}
 
 
-def get_api_result(path, params=None, data=None):
+def get_api_result(path, params=None, data=None, skipdns=False):
     import requests
     result = None
     r = None
 
+    headers = get_request_defheaders()
+    url = __apiurl__
+    if skipdns:
+        url = "http://%s" % __apiip__
+        headers['host'] = __apiurl__[__apiurl__.index("://")+3:]
+
     try:
         if data:
-            r = requests.post(__apiurl__ + path, params=params, data=data,
-                              headers=get_request_defheaders())
+            r = requests.post(
+                url + path, params=params, data=data, headers=headers,
+                timeout=(3, 13)
+            )
         else:
-            r = requests.get(__apiurl__ + path, params=params,
-                             headers=get_request_defheaders())
+            r = requests.get(
+                url + path, params=params, headers=headers, timeout=(3, 13))
         result = r.json()
         r.raise_for_status()
     except requests.exceptions.HTTPError as e:
@@ -342,6 +350,8 @@ def get_api_result(path, params=None, data=None):
         else:
             raise exception.APIRequestError(e)
     except requests.exceptions.ConnectionError:
+        if not skipdns:
+            return get_api_result(path, params, data, skipdns=True)
         raise exception.APIRequestError(
             "Could not connect to PlatformIO Registry Service. "
             "Please try later.")