Implemente automatic installation of missing dependencies when utilizing a SOCKS proxy // Resolve #4822

platformio/http.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import json
-import os
 import socket
 from urllib.parse import urljoin
 
@@ -23,6 +22,7 @@ from urllib3.util.retry import Retry
 from platformio import __check_internet_hosts__, app, util
 from platformio.cache import ContentCache, cleanup_content_cache
 from platformio.exception import PlatformioException, UserSideException
+from platformio.pipdeps import is_proxy_set
 
 __default_requests_timeout__ = (10, None)  # (connect, read)
 
@@ -191,9 +191,7 @@ def _internet_on():
     socket.setdefaulttimeout(timeout)
     for host in __check_internet_hosts__:
         try:
-            for var in ("HTTP_PROXY", "HTTPS_PROXY"):
-                if not os.getenv(var) and not os.getenv(var.lower()):
-                    continue
+            if is_proxy_set():
                 requests.get("http://%s" % host, allow_redirects=False, timeout=timeout)
                 return True
             # try to resolve `host` for both AF_INET and AF_INET6, and then try to connect