# 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 parse_port_config(contents, chip_keyword=None):
""" Compile a dictionary of port-wide module configs, which may
be categorized by chipset.
"""
chip_fam = "all"
ifeq_found = False
port_config_results = {"all": []}
chip_pattern = ""
if chip_keyword:
chip_pattern = (
re.compile("(?<=ifeq\s\(\$\({}\)\,)(\w+)".format(chip_keyword))
)
for line in contents:
if chip_keyword:
if not ifeq_found:
check_ifeq = chip_pattern.search(line)
if check_ifeq:
ifeq_found = True
chip_fam = check_ifeq.group(1)
#print("found chip:", chip_fam)
else:
ifeq_found = False
chip_fam = "all"
else:
if "endif" in line:
ifeq_found = False
chip_fam = "all"
if "CIRCUITPY_" in line:
if chip_fam in port_config_results:
port_config_results[chip_fam].append(line.rstrip("\n"))
else:
port_config_results[chip_fam] = [line.rstrip("\n")]
#print(port_config_results)
return port_config_results
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():
""" 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()
modules = get_shared_bindings()
configs = read_mpconfig()
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 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`)
Boards are further categorized by their respective chipset (SAMD21,
SAMD51, nRF52840, etc.)
"""
modules = list(base.keys())
re_board_chip = None
chip_keyword = None
for port in SUPPORTED_PORTS:
# each port appears to use its own define for the chipset
if port in ["atmel-samd"]:
re_board_chip = re.compile("CHIP_FAMILY\s=\s(\w+)")
chip_keyword = "CHIP_FAMILY"
elif port in ["nrf"]:
re_board_chip = re.compile("MCU_VARIANT\s=\s(\w+)")
port_dir = "ports/{}".format(port)
port_config_contents = ""
with open(os.path.join(port_dir, "mpconfigport.mk")) as port_config:
port_config_contents = port_config.readlines()
port_config = parse_port_config(port_config_contents, chip_keyword)
for entry in os.scandir(os.path.join(port_dir, "boards")):
if not entry.is_dir():
continue
contents = ""
board_dir = os.path.join(entry.path, "mpconfigboard.mk")
with open(board_dir) as board:
contents = board.read()
board_chip = re_board_chip.search(contents)
#print(entry.name, board_chip.group(1))
if not board_chip:
board_chip = "Unknown Chip"
else:
board_chip = board_chip.group(1)
# add port_config results to contents
contents += "\n" + "\n".join(port_config["all"])
if board_chip in port_config:
contents += "\n" + "\n".join(port_config[board_chip])
for module in modules:
board_is_excluded = False
# 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":
board_is_excluded = True
# 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":
board_is_excluded = True
else:
if (find_module.group(1) == "0" and
find_module.group(1) != base[module]["default_value"]):
board_is_excluded = True
if board_is_excluded:
if board_chip in base[module]["excluded"]:
base[module]["excluded"][board_chip].append(entry.name)
else:
base[module]["excluded"][board_chip] = [entry.name]
#print(json.dumps(base, indent=2))
return base
def support_matrix_excluded_boards():
""" Compiles a list of available modules, and which board definitions
do not include them.
"""
base = build_module_map()
return get_excluded_boards(base)
def support_matrix_by_board():
""" Compiles a list of the available core modules available for each
board.
"""
base = build_module_map()
base_with_exclusions = get_excluded_boards(base)
boards = dict()
for port in SUPPORTED_PORTS:
port_dir = "ports/{}/boards".format(port)
for entry in os.scandir(port_dir):
if not entry.is_dir():
continue
board_modules = []
board_name = entry.name
board_contents = ""
with open(os.path.join(entry.path, "mpconfigboard.h")) as get_name:
board_contents = get_name.read()
board_name_re = re.search("(?<=MICROPY_HW_BOARD_NAME)\s+(.+)",
board_contents)
if board_name_re:
board_name = board_name_re.group(1).strip('"')
for module in base_with_exclusions.keys():
#print(module)
board_has_module = True
if base_with_exclusions[module]["excluded"]:
for port in base_with_exclusions[module]["excluded"].values():
#print(port)
if entry.name in port:
board_has_module = False
if board_has_module:
board_modules.append(base_with_exclusions[module]["name"])
boards[board_name] = sorted(board_modules)
#print(json.dumps(boards, indent=2))
return boards