Add compatibility with PIO Core 6.0

Author: ivankravets

.github/workflows/examples.yml

@@ -8,7 +8,6 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: [3.7]
         example:
           - "examples/arduino-asyncudp"
           - "examples/arduino-blink"
@@ -18,18 +17,17 @@ jobs:
           - "examples/esp8266-rtos-sdk-blink"
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: "recursive"
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v1
+      - name: Set up Python
+        uses: actions/setup-python@v3
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: "3.9"
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
           pip install -U https://github.com/platformio/platformio/archive/develop.zip
           pio pkg install --global --platform symlink://.
       - name: Build examples
         run: |
-          platformio run -d ${{ matrix.example }}
+          pio run -d ${{ matrix.example }}

README.md

@@ -1,4 +1,4 @@
-# Espressif 8266: development platform for [PlatformIO](http://platformio.org)
+# Espressif 8266: development platform for [PlatformIO](https://platformio.org)
 
 [![Build Status](https://github.com/platformio/platform-espressif8266/workflows/Examples/badge.svg)](https://github.com/platformio/platform-espressif8266/actions)
 
@@ -9,7 +9,7 @@ Espressif Systems is a privately held fabless semiconductor company. They provid
 
 # Usage
 
-1. [Install PlatformIO](http://platformio.org)
+1. [Install PlatformIO](https://platformio.org)
 2. Create PlatformIO project and configure a platform option in [platformio.ini](https://docs.platformio.org/page/projectconf.html) file:
 
 ## Stable version

builder/main.py

@@ -14,14 +14,14 @@
 
 # pylint: disable=redefined-outer-name
 
+import functools
 import re
 import sys
 from os.path import join
 
 
 from SCons.Script import (COMMAND_LINE_TARGETS, AlwaysBuild,
                           Builder, Default, DefaultEnvironment)
-from platformio import util
 
 #
 # Helpers
@@ -47,7 +47,7 @@ def _parse_size(value):
     return value
 
 
-@util.memoized()
+@functools.lru_cache
 def _parse_ld_sizes(ldscript_path):
     assert ldscript_path
     result = {}

monitor/filter_exception_decoder.py

@@ -17,18 +17,21 @@
 import subprocess
 import sys
 
-from platformio.commands.device import DeviceMonitorFilter
-from platformio.compat import path_to_unicode, WINDOWS
 from platformio.project.exception import PlatformioException
-from platformio.project.helpers import load_project_ide_data
+from platformio.public import (
+    DeviceMonitorFilterBase,
+    load_build_metadata,
+)
 
 
 # By design, __init__ is called inside miniterm and we can't pass context to it.
 # pylint: disable=attribute-defined-outside-init
 
+IS_WINDOWS = sys.platform.startswith("win")
+
 
 class Esp8266ExceptionDecoder(
-    DeviceMonitorFilter
+    DeviceMonitorFilterBase
 ):  # pylint: disable=too-many-instance-attributes
     NAME = "esp8266_exception_decoder"
 
@@ -110,9 +113,9 @@ def __call__(self):
         return self
 
     def setup_paths(self):
-        self.project_dir = path_to_unicode(os.path.abspath(self.project_dir))
+        self.project_dir = os.path.abspath(self.project_dir)
         try:
-            data = load_project_ide_data(self.project_dir, self.environment)
+            data = load_build_metadata(self.project_dir, self.environment)
             self.firmware_path = data["prog_path"]
             if not os.path.isfile(self.firmware_path):
                 sys.stderr.write(
@@ -253,7 +256,7 @@ def take_stack_lines(self):
     def get_lines(self, addresses):
         result = []
 
-        enc = "mbcs" if WINDOWS else "utf-8"
+        enc = "mbcs" if IS_WINDOWS else "utf-8"
         args = [self.addr2line_path, u"-fipC", u"-e", self.firmware_path]
 
         for addr in addresses:

platform.json

@@ -11,7 +11,7 @@
     "106Micro"
   ],
   "engines": {
-    "platformio": "^5"
+    "platformio": "^6"
   },
   "repository": {
     "type": "git",

platform.py

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from platformio.managers.platform import PlatformBase
+from platformio.public import PlatformBase
 
 
 class Espressif8266Platform(PlatformBase):
@@ -24,11 +24,10 @@ def configure_default_packages(self, variables, targets):
         if "buildfs" in targets:
             self.packages['tool-mkspiffs']['optional'] = False
             self.packages['tool-mklittlefs']['optional'] = False
-        return PlatformBase.configure_default_packages(
-            self, variables, targets)
+        return super().configure_default_packages(variables, targets)
 
     def get_boards(self, id_=None):
-        result = PlatformBase.get_boards(self, id_)
+        result = super().get_boards(id_)
         if not result:
             return result
         if id_: