🔨 Build scripts cleanup (#27157)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

buildroot/share/PlatformIO/scripts/SAMD21_minitronics20.py

@@ -6,8 +6,7 @@ import pioutil
 if pioutil.is_pio_build():
     from os.path import join, isfile
     import shutil
-
-    Import("env")
+    env = pioutil.env
 
     mf = env["MARLIN_FEATURES"]
     rxBuf = mf["RX_BUFFER_SIZE"] if "RX_BUFFER_SIZE" in mf else "0"

buildroot/share/PlatformIO/scripts/SAMD51_grandcentral_m4.py

@@ -6,8 +6,7 @@ import pioutil
 if pioutil.is_pio_build():
     from os.path import join, isfile
     import shutil
-
-    Import("env")
+    env = pioutil.env
 
     mf = env["MARLIN_FEATURES"]
     rxBuf = mf["RX_BUFFER_SIZE"] if "RX_BUFFER_SIZE" in mf else "0"

buildroot/share/PlatformIO/scripts/STM32F103RC_MEEB_3DP.py

@@ -3,8 +3,7 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-
-    Import("env", "projenv")
+    env = pioutil.env
 
     flash_size = 0
     vect_tab_addr = 0

buildroot/share/PlatformIO/scripts/STM32F103RC_fysetc.py

@@ -3,9 +3,8 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    from os.path import join
-    from os.path import expandvars
-    Import("env")
+    from os.path import join, expandvars
+    env = pioutil.env
 
     # Custom HEX from ELF
     env.AddPostAction(

buildroot/share/PlatformIO/scripts/STM32F1_build_flags.py

@@ -0,0 +1,63 @@
+#!/usr/bin/env python
+#
+# STM32F1_build_flags.py
+# Add build_flags for the base STM32F1_maple environment (stm32f1-maple.ini)
+#
+from __future__ import print_function
+import sys
+
+# Dynamic build flags for generic compile options
+if __name__ == "__main__":
+
+    # Print these plus the given args when running directly on the command-line
+    args = [
+        "-std=gnu++14",
+        "-Os",
+        "-mcpu=cortex-m3",
+        "-mthumb",
+
+        "-fsigned-char",
+        "-fno-move-loop-invariants",
+        "-fno-strict-aliasing",
+        "-fsingle-precision-constant",
+
+        "--specs=nano.specs",
+        "--specs=nosys.specs",
+
+        "-MMD", "-MP",
+
+        "-IMarlin/src/HAL/STM32F1",
+
+        "-DTARGET_STM32F1",
+        "-DARDUINO_ARCH_STM32",
+        "-DPLATFORM_M997_SUPPORT"
+    ] + sys.argv[1:]
+
+    print(" ".join(args))
+
+else:
+
+    # Extra script for stm32f1-maple.ini build_flags
+
+    import pioutil
+    if pioutil.is_pio_build():
+        pioutil.env.Append(
+            ARFLAGS=["rcs"],
+
+            ASFLAGS=["-x", "assembler-with-cpp"],
+
+            CXXFLAGS=[
+                "-fabi-version=0",
+                "-fno-use-cxa-atexit",
+                "-fno-threadsafe-statics"
+            ],
+            LINKFLAGS=[
+                "-Os",
+                "-mcpu=cortex-m3",
+                "-ffreestanding",
+                "-mthumb",
+                "--specs=nano.specs",
+                "--specs=nosys.specs",
+                "-u_printf_float",
+            ],
+        )

buildroot/share/PlatformIO/scripts/STM32F1_create_variant.py

@@ -3,10 +3,9 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    import shutil,marlin
+    import shutil, marlin
     from pathlib import Path
-
-    Import("env")
+    env = pioutil.env
     platform = env.PioPlatform()
     board = env.BoardConfig()
 

buildroot/share/PlatformIO/scripts/add_nanolib.py

@@ -1,6 +0,0 @@
-#
-# add_nanolib.py
-#
-Import("env")
-
-env.Append(LINKFLAGS=["--specs=nano.specs"])

buildroot/share/PlatformIO/scripts/chitu_crypt.py

@@ -4,9 +4,9 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    import struct,uuid,marlin
+    import struct, uuid, marlin
 
-    board = marlin.env.BoardConfig()
+    board = pioutil.env.BoardConfig()
 
     def calculate_crc(contents, seed):
         accumulating_xor_value = seed

buildroot/share/PlatformIO/scripts/collect-code-tests.py

@@ -7,8 +7,7 @@ import pioutil
 if pioutil.is_pio_build():
 
     import os, re
-    Import("env")
-    Import("projenv")
+    env = pioutil.env
 
     os.environ['PATH'] = f"./buildroot/bin/:./buildroot/tests/:{os.environ['PATH']}"
 

buildroot/share/PlatformIO/scripts/common-cxxflags.py

@@ -5,7 +5,7 @@
 
 import pioutil
 if pioutil.is_pio_build():
-    Import("env")
+    env = pioutil.env
 
     cxxflags = [
         # "-Wno-incompatible-pointer-types",

buildroot/share/PlatformIO/scripts/common-dependencies-post.py

@@ -4,7 +4,9 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    Import("env", "projenv")
+    env = pioutil.env
+    projenv = env
+    Import("projenv") # src_dir environment. Only for post: scripts!
 
     def apply_board_build_flags():
         if not 'BOARD_CUSTOM_BUILD_FLAGS' in env['MARLIN_FEATURES']:

buildroot/share/PlatformIO/scripts/common-dependencies.py

@@ -5,10 +5,10 @@
 import pioutil
 if pioutil.is_pio_build():
 
-    import subprocess,os,re,fnmatch,glob
+    import os, re, fnmatch, glob
     srcfilepattern = re.compile(r".*[.](cpp|c)$")
     marlinbasedir = os.path.join(os.getcwd(), "Marlin/")
-    Import("env")
+    env = pioutil.env
 
     from platformio.package.meta import PackageSpec
     from platformio.project.config import ProjectConfig

buildroot/share/PlatformIO/scripts/configuration.py

@@ -11,7 +11,7 @@ def blab(str,level=1):
     if verbose >= level: print(f"[config] {str}")
 
 def config_path(cpath):
-    return Path("Marlin", cpath, encoding='utf-8')
+    return Path("Marlin", cpath)
 
 # Apply a single name = on/off ; name = value ; etc.
 # TODO: Limit to the given (optional) configuration
@@ -223,7 +223,7 @@ def apply_config_ini(cp):
             sect = 'base'
             if '@' in ckey: sect, ckey = map(str.strip, ckey.split('@'))
             cp2 = configparser.ConfigParser()
-            cp2.read(config_path(ckey))
+            cp2.read(config_path(ckey), encoding='utf-8')
             apply_sections(cp2, sect)
             ckey = 'base'
 
@@ -270,7 +270,7 @@ if __name__ == "__main__":
 
     if ini_file:
         user_ini = configparser.ConfigParser()
-        user_ini.read(ini_file)
+        user_ini.read(ini_file, encoding='utf-8')
         apply_config_ini(user_ini)
 
 else:
@@ -279,11 +279,8 @@ else:
     #
     import pioutil
     if pioutil.is_pio_build():
-
-        Import("env")
-
         try:
-            verbose = int(env.GetProjectOption('custom_verbose'))
+            verbose = int(pioutil.env.GetProjectOption('custom_verbose'))
         except:
             pass
 

buildroot/share/PlatformIO/scripts/custom_board.py

@@ -7,7 +7,7 @@
 import pioutil
 if pioutil.is_pio_build():
     import marlin
-    board = marlin.env.BoardConfig()
+    board = pioutil.env.BoardConfig()
 
     address = board.get("build.address", "")
     if address:

buildroot/share/PlatformIO/scripts/download_mks_assets.py

@@ -4,10 +4,10 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    Import("env")
-    import requests,zipfile,tempfile,shutil
+    import requests, zipfile, tempfile, shutil
     from pathlib import Path
 
+    env = pioutil.env
     url = "https://github.com/makerbase-mks/Mks-Robin-Nano-Marlin2.0-Firmware/archive/0263cdaccf.zip"
     deps_path = Path(env.Dictionary("PROJECT_LIBDEPS_DIR"))
     zip_path = deps_path / "mks-assets.zip"

buildroot/share/PlatformIO/scripts/fix_framework_weakness.py

@@ -8,8 +8,7 @@ if pioutil.is_pio_build():
     from os.path import join, isfile
     from pprint import pprint
 
-    Import("env")
-
+    env = pioutil.env
     if env.MarlinHas("POSTMORTEM_DEBUGGING"):
         FRAMEWORK_DIR = env.PioPlatform().get_package_dir("framework-arduinoststm32-maple")
         patchflag_path = join(FRAMEWORK_DIR, ".exc-patching-done")

buildroot/share/PlatformIO/scripts/generic_create_variant.py

@@ -8,14 +8,14 @@
 import pioutil, re
 marlin_variant_pattern = re.compile("marlin_.*")
 if pioutil.is_pio_build():
-    import shutil,marlin
+    import shutil, marlin
     from pathlib import Path
 
     #
     # Get the platform name from the 'platform_packages' option,
     # or look it up by the platform.class.name.
     #
-    env = marlin.env
+    env = pioutil.env
     platform = env.PioPlatform()
 
     from platformio.package.meta import PackageSpec

buildroot/share/PlatformIO/scripts/lerdge.py

@@ -7,7 +7,7 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    import os,marlin
+    import os, marlin
 
     board = marlin.env.BoardConfig()
 

buildroot/share/PlatformIO/scripts/mc-apply.py

@@ -2,9 +2,7 @@
 #
 # Create a Configuration from marlin_config.json
 #
-import json
-import sys
-import shutil
+import json, sys, shutil
 
 opt_output = '--opt' in sys.argv
 output_suffix = '.sh' if opt_output else '' if '--bare-output' in sys.argv else '.gen'

buildroot/share/PlatformIO/scripts/openblt.py

@@ -4,8 +4,7 @@
 import pioutil
 if pioutil.is_pio_build():
     from os.path import join
-
-    Import("env")
+    env = pioutil.env
 
     board = env.BoardConfig()
     board_keys = board.get("build").keys()

buildroot/share/PlatformIO/scripts/pioutil.py

@@ -2,10 +2,11 @@
 # pioutil.py
 #
 
+from SCons.Script import DefaultEnvironment
+env = DefaultEnvironment()
+
 # Make sure 'vscode init' is not the current command
 def is_pio_build():
-    from SCons.Script import DefaultEnvironment
-    env = DefaultEnvironment()
     if "IsCleanTarget" in dir(env) and env.IsCleanTarget(): return False
     return not env.IsIntegrationDump()
 

buildroot/share/PlatformIO/scripts/preflight-checks.py

@@ -5,9 +5,9 @@
 import pioutil
 if pioutil.is_pio_build():
 
-    import re,sys
+    import re, sys
     from pathlib import Path
-    Import("env")
+    env = pioutil.env
 
     def get_envs_for_board(board):
         ppath = Path("Marlin/src/pins/pins.h")

buildroot/share/PlatformIO/scripts/simulator.py

@@ -6,7 +6,7 @@
 import pioutil
 if pioutil.is_pio_build():
     # Get the environment thus far for the build
-    Import("env")
+    env = pioutil.env
 
     #print(env.Dump())
 

buildroot/share/PlatformIO/scripts/stm32_serialbuffer.py

@@ -3,7 +3,7 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    Import("env")
+    env = pioutil.env
 
     # Get a build flag's value or None
     def getBuildFlagValue(name):

buildroot/share/PlatformIO/scripts/tronxy_cxy_446_v10.py

@@ -7,9 +7,7 @@ if pioutil.is_pio_build():
 
     import marlin, os
 
-    from SCons.Script import DefaultEnvironment
-
-    env = DefaultEnvironment()
+    env = pioutil.env
 
     # Check whether the "update" folder exists
     outpath = "update"