Resolves #85 by bundling string polyfill directly, simplifying deploys

.gitmodules

@@ -1,4 +0,0 @@
-[submodule "upy-lib"]
-	path = vendor/upy-lib
-	url = https://github.com/kmkfw/micropython-lib.git
-	ignore = dirty

LICENSE.md

@@ -1,3 +1,14 @@
+Almost all of KMK is licensed under the GPLv3. There are a couple of
+exceptions:
+
+- `kmk/string.py` is copied directly from
+  [micropython-lib](https://github.com/micropython/micropython-lib) and is
+  under the MIT license, copyrighted by the micropython-lib contributors
+- Hardware schematics are licensed under individual terms per schematic
+
+Files/components not listed above or containing its own copyright header in the
+file itself are licensed under GPLv3 as follows:
+
 ### GNU GENERAL PUBLIC LICENSE
 
 Version 3, 29 June 2007

Makefile

@@ -43,7 +43,7 @@ fix-isort: devdeps
 
 clean: clean-build-log
 	@echo "===> Cleaning build artifacts"
-	@rm -rf .submodules .circuitpy-deps .devdeps build
+	@rm -rf .devdeps build
 
 clean-build-log:
 	@echo "===> Clearing previous .build.log"
@@ -57,16 +57,6 @@ powerwash: clean
 
 test: lint
 
-.submodules: .gitmodules submodules.toml
-	@echo "===> Pulling dependencies, this may take several minutes"
-	@echo "===> Pulling dependencies, this may take several minutes" >> .build.log
-	@git submodule sync 2>&1 >> .build.log
-	@git submodule update --init --recursive 2>&1 >> .build.log
-	@rsync -ah vendor/ build/
-	@touch .submodules
-
-submodules: .submodules
-
 reset-bootloader:
 	@echo "===> Rebooting your board to bootloader (safe to ignore file not found errors)"
 	@-timeout -k 5s 10s $(PIPENV) run ampy -p /dev/ttyACM0 -d ${AMPY_DELAY} -b ${AMPY_BAUD} run util/bootloader.py
@@ -79,8 +69,6 @@ ifdef MOUNTPOINT
 $(MOUNTPOINT)/kmk/.copied: $(shell find kmk/ -name "*.py" | xargs -0)
 	@echo "===> Copying KMK source folder"
 	@rsync -rh kmk $(MOUNTPOINT)/
-	@cat upy-freeze.txt | egrep -v '(^#|^\s*$|^\s*\t*#)' | grep CIRCUITPY | cut -d'|' -f2- | \
-		xargs -I '{}' rsync -h {} $(MOUNTPOINT)/
 	@touch $(MOUNTPOINT)/kmk/.copied
 	@sync
 

kmk/macros/simple.py

@@ -1,6 +1,5 @@
-import string
-
 from kmk.keycodes import Keycodes, Macro, char_lookup, lookup_kc_with_cache
+from kmk.string import ascii_letters, digits
 
 
 def simple_key_sequence(seq):
@@ -18,7 +17,7 @@ def send_string(message):
 
         if char in char_lookup:
             kc = char_lookup[char]
-        elif char in string.ascii_letters + string.digits:
+        elif char in ascii_letters + digits:
             kc = lookup_kc_with_cache(char)
 
             if char.isupper():

kmk/string.py

@@ -0,0 +1,51 @@
+# This file copied from micropython-lib
+# https://github.com/micropython/micropython-lib
+#
+# The MIT License (MIT)
+#
+# Copyright (c) 2013, 2014 micropython-lib contributors
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+# Some strings for ctype-style character classification
+whitespace = ' \t\n\r\v\f'
+ascii_lowercase = 'abcdefghijklmnopqrstuvwxyz'
+ascii_uppercase = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+ascii_letters = ascii_lowercase + ascii_uppercase
+digits = '0123456789'
+hexdigits = digits + 'abcdef' + 'ABCDEF'
+octdigits = '01234567'
+punctuation = """!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~"""
+printable = digits + ascii_letters + punctuation + whitespace
+
+
+def translate(s, map):
+    import io
+    sb = io.StringIO()
+    for c in s:
+        v = ord(c)
+        if v in map:
+            v = map[v]
+            if isinstance(v, int):
+                sb.write(chr(v))
+            elif v is not None:
+                sb.write(v)
+        else:
+            sb.write(c)
+    return sb.getvalue()

submodules.toml

@@ -1,2 +0,0 @@
-[submodules]
-"vendor/upy-lib" = "451b1c0"

upy-freeze.txt

@@ -1,4 +0,0 @@
-# CircuitPython provides collections, don't overwrite it
-MICROPY|vendor/upy-lib/collections/collections
-
-MICROPYCIRCUITPY|vendor/upy-lib/string/string.py