Initial commit of PIO Home

platformio/commands/home/helpers.py

@@ -0,0 +1,69 @@
+# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# pylint: disable=keyword-arg-before-vararg, arguments-differ
+
+import os
+import socket
+
+import requests
+from twisted.internet import threads
+from twisted.internet.defer import ensureDeferred
+
+from platformio import util
+
+
+class AsyncSession(requests.Session):
+
+    def __init__(self, n=None, *args, **kwargs):
+        if n:
+            from twisted.internet import reactor
+            pool = reactor.getThreadPool()
+            pool.adjustPoolsize(0, n)
+
+        super(AsyncSession, self).__init__(*args, **kwargs)
+
+    def request(self, *args, **kwargs):
+        func = super(AsyncSession, self).request
+        return threads.deferToThread(func, *args, **kwargs)
+
+    def wrap(self, *args, **kwargs):  # pylint: disable=no-self-use
+        return ensureDeferred(*args, **kwargs)
+
+
+@util.memoized(expire=5000)
+def requests_session():
+    return AsyncSession(n=5)
+
+
+@util.memoized()
+def get_core_fullpath():
+    return util.where_is_program(
+        "platformio" + (".exe" if "windows" in util.get_systype() else ""))
+
+
+@util.memoized(expire=10000)
+def is_twitter_blocked():
+    ip = "104.244.42.1"
+    timeout = 2
+    try:
+        if os.getenv("HTTP_PROXY", os.getenv("HTTPS_PROXY")):
+            requests.get(
+                "http://%s" % ip, allow_redirects=False, timeout=timeout)
+        else:
+            socket.socket(socket.AF_INET, socket.SOCK_STREAM).connect((ip, 80))
+        return False
+    except:  # pylint: disable=bare-except
+        pass
+    return True