QMK CLI and JSON keymap support (#6176)

* Script to generate keymap.c from JSON file.

* Support for keymap.json

* Add a warning about the keymap.c getting overwritten.

* Fix keymap generating

* Install the python deps

* Flesh out more of the python environment

* Remove defunct json2keymap

* Style everything with yapf

* Polish up python support

* Hide json keymap.c into the .build dir

* Polish up qmk-compile-json

* Make milc work with positional arguments

* Fix a couple small things

* Fix some errors and make the CLI more understandable

* Make the qmk wrapper more robust

* Add basic QMK Doctor

* Clean up docstrings and flesh them out as needed

* remove unused compile_firmware() function

1 files changed, 33 insertions, 27 deletions

diff --git a/build_keyboard.mk b/build_keyboard.mk
index 213cb4445..0e3c5ea23 100644
--- a/build_keyboard.mk
+++ b/build_keyboard.mk
@@ -98,31 +98,38 @@ MAIN_KEYMAP_PATH_3 := $(KEYBOARD_PATH_3)/keymaps/$(KEYMAP)
 MAIN_KEYMAP_PATH_4 := $(KEYBOARD_PATH_4)/keymaps/$(KEYMAP)
 MAIN_KEYMAP_PATH_5 := $(KEYBOARD_PATH_5)/keymaps/$(KEYMAP)
 
-ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_5)/keymap.c)","")
-    -include $(MAIN_KEYMAP_PATH_5)/rules.mk
-    KEYMAP_C := $(MAIN_KEYMAP_PATH_5)/keymap.c
-    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_5)
-else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_4)/keymap.c)","")
-    -include $(MAIN_KEYMAP_PATH_4)/rules.mk
-    KEYMAP_C := $(MAIN_KEYMAP_PATH_4)/keymap.c
-    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_4)
-else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_3)/keymap.c)","")
-    -include $(MAIN_KEYMAP_PATH_3)/rules.mk
-    KEYMAP_C := $(MAIN_KEYMAP_PATH_3)/keymap.c
-    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_3)
-else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_2)/keymap.c)","")
-    -include $(MAIN_KEYMAP_PATH_2)/rules.mk
-    KEYMAP_C := $(MAIN_KEYMAP_PATH_2)/keymap.c
-    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_2)
-else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_1)/keymap.c)","")
-    -include $(MAIN_KEYMAP_PATH_1)/rules.mk
-    KEYMAP_C := $(MAIN_KEYMAP_PATH_1)/keymap.c
-    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_1)
-else ifneq ($(LAYOUTS),)
-    include build_layout.mk
-else
-    $(error Could not find keymap)
-    # this state should never be reached
+# Check for keymap.json first, so we can regenerate keymap.c
+include build_json.mk
+
+ifeq ("$(wildcard $(KEYMAP_PATH))", "")
+    # Look through the possible keymap folders until we find a matching keymap.c
+    ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_5)/keymap.c)","")
+        -include $(MAIN_KEYMAP_PATH_5)/rules.mk
+        KEYMAP_C := $(MAIN_KEYMAP_PATH_5)/keymap.c
+        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_5)
+    else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_4)/keymap.c)","")
+        -include $(MAIN_KEYMAP_PATH_4)/rules.mk
+        KEYMAP_C := $(MAIN_KEYMAP_PATH_4)/keymap.c
+        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_4)
+    else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_3)/keymap.c)","")
+        -include $(MAIN_KEYMAP_PATH_3)/rules.mk
+        KEYMAP_C := $(MAIN_KEYMAP_PATH_3)/keymap.c
+        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_3)
+    else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_2)/keymap.c)","")
+        -include $(MAIN_KEYMAP_PATH_2)/rules.mk
+        KEYMAP_C := $(MAIN_KEYMAP_PATH_2)/keymap.c
+        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_2)
+    else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_1)/keymap.c)","")
+        -include $(MAIN_KEYMAP_PATH_1)/rules.mk
+        KEYMAP_C := $(MAIN_KEYMAP_PATH_1)/keymap.c
+        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_1)
+    else ifneq ($(LAYOUTS),)
+        # If we haven't found a keymap yet fall back to community layouts
+        include build_layout.mk
+    else
+        $(error Could not find keymap)
+        # this state should never be reached
+    endif
 endif
 
 ifeq ($(strip $(CTPC)), yes)
@@ -313,7 +320,6 @@ ifneq ("$(wildcard $(USER_PATH)/config.h)","")
     CONFIG_H += $(USER_PATH)/config.h
 endif
 
-
 # Object files directory
 #     To put object files in current directory, use a dot (.), do NOT make
 #     this an empty or blank macro!
@@ -323,7 +329,7 @@ ifneq ("$(wildcard $(KEYMAP_PATH)/config.h)","")
     CONFIG_H += $(KEYMAP_PATH)/config.h
 endif
 
-# # project specific files
+# project specific files
 SRC += $(KEYBOARD_SRC) \
     $(KEYMAP_C) \
     $(QUANTUM_SRC)