Declare pip dependencies statically // Resolve platformio#4955

Author: ivankravets

platformio/dependencies.py

@@ -14,7 +14,7 @@
 
 import platform
 
-from platformio.compat import PY36, is_proxy_set
+from platformio.compat import is_proxy_set
 
 
 def get_core_dependencies():
@@ -30,7 +30,8 @@ def get_core_dependencies():
 
 def get_pip_dependencies():
     core = [
-        "bottle == %s" % ("0.12.*" if PY36 else "0.13.*"),
+        'bottle == 0.12.*; python_version < "3.7"',
+        'bottle == 0.13.*; python_version >= "3.7"',
         "click >=8.0.4, <9",
         "colorama",
         "marshmallow == 3.*",
@@ -45,15 +46,18 @@ def get_pip_dependencies():
         # PIO Home requirements
         "ajsonrpc == 1.2.*",
         "starlette >=0.19, <0.40",
-        "uvicorn %s" % ("== 0.16.0" if PY36 else ">=0.16, <0.31"),
+        'uvicorn == 0.16.0; python_version < "3.7"',
+        'uvicorn >=0.16, <0.31; python_version >= "3.7"',
         "wsproto == 1.*",
     ]
 
     extra = []
 
     # issue #4702; Broken "requests/charset_normalizer" on macOS ARM
     if platform.system() == "Darwin" and "arm" in platform.machine().lower():
-        extra.append("chardet>=3.0.2,<6")
+        extra.append(
+            'chardet >= 3.0.2,<6; platform_system == "Darwin" and "arm" in platform_machine'
+        )
 
     # issue 4614: urllib3 v2.0 only supports OpenSSL 1.1.1+
     try: