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# The MIT License (MIT)
#
# Copyright (c) 2019 Michael Schroeder
#
# 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.
#
import json
import os
import re
SUPPORTED_PORTS = ["atmel-samd", "nrf"]
def get_shared_bindings():
""" Get a list of modules in shared-bindings based on folder names
"""
return [item for item in os.listdir("./shared-bindings")]
def read_mpconfig():
""" Open 'circuitpy_mpconfig.mk' and return the contents.
"""
configs = []
with open("py/circuitpy_mpconfig.mk") as mpconfig:
configs = mpconfig.read()
return configs
def build_module_map(modules, configs):
""" Establish the base of the JSON file, based on the contents from
`configs`. Base will contain module names, if they're part of
the `FULL_BUILD`, or their default value (0 | 1).
"""
base = dict()
full_build = False
for module in modules:
full_name = module
search_name = module.lstrip("_")
re_pattern = "CIRCUITPY_{}\s=\s(.+)".format(search_name.upper())
find_config = re.search(re_pattern, configs)
#print(module, "|", find_config)
if not find_config:
continue
full_build = int("FULL_BUILD" in find_config.group(0))
#print(find_config[1])
if not full_build:
default_val = find_config.group(1)
else:
default_val = "None"
base[search_name] = {
"name": full_name,
"full_build": str(full_build),
"default_value": default_val,
"excluded": []
}
return get_excluded_boards(base)
def get_excluded_boards(base):
""" Cycles through each board's `mpconfigboard.mk` file to determine
if each module is included or not. Boards are selected by existence
in a port listed in `SUPPORTED_PORTS` (e.g. `/port/nrf/feather_52840`)
"""
modules = list(base.keys())
for port in SUPPORTED_PORTS:
port_dir = "ports/{}/boards".format(port)
for entry in os.scandir(port_dir):
if not entry.is_dir():
continue
contents = ""
board_dir = os.path.join(entry.path, "mpconfigboard.mk")
#print(board_dir)
with open(board_dir) as board:
contents = board.read()
for module in modules:
# check if board uses `SMALL_BUILD`. if yes, and current
# module is marked as `FULL_BUILD`, board is excluded
small_build = re.search("CIRCUITPY_SMALL_BUILD = 1", contents)
if small_build and base[module]["full_build"] == "1":
base[module]["excluded"].append(entry.name)
continue
# check if module is specifically disabled for this board
re_pattern = "CIRCUITPY_{}\s=\s(\w)".format(module.upper())
find_module = re.search(re_pattern, contents)
if not find_module:
# check if default inclusion is off ('0'). if the board doesn't
# have it explicitly enabled, its excluded.
if base[module]["default_value"] == "0":
base[module]["excluded"].append(entry.name)
continue
if (find_module.group(1) == "0" and
find_module.group(1) != base[module]["default_value"]):
base[module]["excluded"].append(entry.name)
return base
def support_matrix():
modules = get_shared_bindings()
configs = read_mpconfig()
base = build_module_map(sorted(modules), configs)
return base
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