circuitpython/docs/shared_bindings_matrix.py

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# The MIT License (MIT)
#
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# SPDX-FileCopyrightText: 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 pathlib
import re
import subprocess
import sys
import functools
from concurrent.futures import ThreadPoolExecutor
SUPPORTED_PORTS = [
"atmel-samd",
"broadcom",
"cxd56",
"espressif",
"litex",
"mimxrt10xx",
"nrf",
"raspberrypi",
"silabs",
"stm",
]
ALIASES_BY_BOARD = {
"circuitplayground_express": [
"circuitplayground_express_4h",
"circuitplayground_express_digikey_pycon2019",
],
"pybadge": ["edgebadge"],
"pyportal": ["pyportal_pynt"],
"gemma_m0": ["gemma_m0_pycon2018"],
}
ALIASES_BRAND_NAMES = {
"circuitplayground_express_4h": "Adafruit Circuit Playground Express 4-H",
"circuitplayground_express_digikey_pycon2019": "Circuit Playground Express Digi-Key PyCon 2019",
"edgebadge": "Adafruit EdgeBadge",
"pyportal_pynt": "Adafruit PyPortal Pynt",
"gemma_m0_pycon2018": "Adafruit Gemma M0 PyCon 2018",
}
ADDITIONAL_MODULES = {
"_asyncio": "MICROPY_PY_ASYNCIO",
"adafruit_bus_device": "CIRCUITPY_BUSDEVICE",
"adafruit_pixelbuf": "CIRCUITPY_PIXELBUF",
"array": "CIRCUITPY_ARRAY",
# always available, so depend on something that's always 1.
"builtins": "CIRCUITPY",
"builtins.pow3": "CIRCUITPY_BUILTINS_POW3",
"busio.SPI": "CIRCUITPY_BUSIO_SPI",
"busio.UART": "CIRCUITPY_BUSIO_UART",
"collections": "CIRCUITPY_COLLECTIONS",
"fontio": "CIRCUITPY_DISPLAYIO",
"io": "CIRCUITPY_IO",
"keypad.KeyMatrix": "CIRCUITPY_KEYPAD_KEYMATRIX",
"keypad.Keys": "CIRCUITPY_KEYPAD_KEYS",
"keypad.ShiftRegisterKeys": "CIRCUITPY_KEYPAD_SHIFTREGISTERKEYS",
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"os.getenv": "CIRCUITPY_OS_GETENV",
"select": "MICROPY_PY_SELECT_SELECT",
"sys": "CIRCUITPY_SYS",
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"terminalio": "CIRCUITPY_DISPLAYIO",
"usb": "CIRCUITPY_USB_HOST",
}
MODULES_NOT_IN_BINDINGS = [ "binascii", "errno", "json", "re", "ulab" ]
FROZEN_EXCLUDES = ["examples", "docs", "tests", "utils", "conf.py", "setup.py"]
"""Files and dirs at the root of a frozen directory that should be ignored.
This is the same list as in the preprocess_frozen_modules script."""
repository_urls = {}
"""Cache of repository URLs for frozen modules."""
root_dir = pathlib.Path(__file__).resolve().parent.parent
def get_circuitpython_root_dir():
"""The path to the root './circuitpython' directory."""
return root_dir
def get_bindings():
"""Get a list of modules in shared-bindings and ports/*/bindings based on folder names."""
shared_bindings_modules = [
module.name
for module in (get_circuitpython_root_dir() / "shared-bindings").iterdir()
if module.is_dir()
]
bindings_modules = []
for d in get_circuitpython_root_dir().glob("ports/*/bindings"):
bindings_modules.extend(module.name for module in d.iterdir() if d.is_dir())
return shared_bindings_modules + bindings_modules + MODULES_NOT_IN_BINDINGS + list(ADDITIONAL_MODULES.keys())
def get_board_mapping():
"""
Compiles the list of boards from the directories, with aliases and mapping
to the port.
"""
boards = {}
for port in SUPPORTED_PORTS:
board_path = root_dir / "ports" / port / "boards"
for board_path in os.scandir(board_path):
if board_path.is_dir():
board_files = os.listdir(board_path.path)
board_id = board_path.name
aliases = ALIASES_BY_BOARD.get(board_path.name, [])
boards[board_id] = {
"port": port,
"download_count": 0,
"aliases": aliases,
}
for alias in aliases:
boards[alias] = {
"port": port,
"download_count": 0,
"alias": True,
"aliases": [],
}
return boards
def build_module_map():
"""Establish the base of the JSON file, based on the contents from
`configs`. Base contains the module name and the controlling C macro name.
"""
base = dict()
modules = get_bindings()
for module in modules:
full_name = module
if module in ADDITIONAL_MODULES:
search_identifier = ADDITIONAL_MODULES[module]
else:
search_identifier = "CIRCUITPY_" + module.lstrip("_").upper()
base[module] = {
"name": full_name,
"key": search_identifier,
}
return base
def get_settings_from_makefile(port_dir, board_name):
"""Invoke make to print the value of critical build settings
This means that the effect of all Makefile directives is taken
into account, without having to re-encode the logic that sets them
in this script, something that has proved error-prone
This list must explicitly include any setting queried by tools/ci_set_matrix.py.
"""
contents = subprocess.run(
["make", "-C", port_dir, "-f", "Makefile", f"BOARD={board_name}", "print-CFLAGS", "print-CIRCUITPY_BUILD_EXTENSIONS", "print-FROZEN_MPY_DIRS", "print-SRC_PATTERNS", "print-SRC_SUPERVISOR"],
encoding="utf-8",
errors="replace",
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
# Make signals errors with exit status 2; 0 and 1 are "non-error" statuses
if contents.returncode not in (0, 1):
error_msg = (
f"Invoking '{' '.join(contents.args)}' exited with "
f"{contents.returncode}: {contents.stderr}"
)
raise RuntimeError(error_msg)
settings = {}
for line in contents.stdout.split("\n"):
if line.startswith('CFLAGS ='):
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for m in re.findall(r'-D([A-Z][A-Z0-9_]*)=(\d+)', line):
settings[m[0]] = m[1]
elif m := re.match(r"^([A-Z][A-Z0-9_]*) = (.*)$", line):
settings[m.group(1)] = m.group(2)
return settings
def get_repository_url(directory):
if directory in repository_urls:
return repository_urls[directory]
readme = None
for readme_path in (
os.path.join(directory, "README.rst"),
os.path.join(os.path.dirname(directory), "README.rst"),
):
if os.path.exists(readme_path):
readme = readme_path
break
path = None
if readme:
with open(readme, "r") as fp:
for line in fp.readlines():
if m := re.match(
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r"\s+:target:\s+(http\S+(docs.circuitpython|readthedocs)\S+)\s*",
line,
):
path = m.group(1)
break
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if m := re.search(r"<(http[^>]+)>", line):
path = m.group(1)
break
if path is None:
contents = subprocess.run(
["git", "remote", "get-url", "origin"],
encoding="utf-8",
errors="replace",
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
cwd=directory,
)
path = contents.stdout.strip()
repository_urls[directory] = path
return path
def remove_prefix(s, prefix):
if not s.startswith(prefix):
raise ValueError(f"{s=} does not start with {prefix=}")
return s.removeprefix(prefix)
def frozen_modules_from_dirs(frozen_mpy_dirs, withurl):
"""
Go through the list of frozen directories and extract the python modules.
Paths are of the type:
$(TOP)/frozen/Adafruit_CircuitPython_CircuitPlayground
$(TOP)/frozen/circuitpython-stage/meowbit
Python modules are at the root of the path, and are python files or directories
containing python files. Except the ones in the FROZEN_EXCLUDES list.
"""
frozen_modules = []
for frozen_path in filter(lambda x: x, frozen_mpy_dirs.split(" ")):
frozen_path = remove_prefix(frozen_path, '../../')
source_dir = get_circuitpython_root_dir() / frozen_path
url_repository = get_repository_url(source_dir)
for sub in source_dir.glob("*"):
if sub.name in FROZEN_EXCLUDES:
continue
if sub.name.endswith(".py"):
if withurl:
frozen_modules.append((sub.name[:-3], url_repository))
else:
frozen_modules.append(sub.name[:-3])
continue
if next(sub.glob("**/*.py"), None): # tests if not empty
if withurl:
frozen_modules.append((sub.name, url_repository))
else:
frozen_modules.append(sub.name)
return frozen_modules
def lookup_setting(settings, key, default=""):
while True:
value = settings.get(key, default)
if not value.startswith("$"):
break
key = value[2:-1]
return value
@functools.cache
def all_ports_all_boards(ports=SUPPORTED_PORTS):
for port in ports:
port_dir = get_circuitpython_root_dir() / "ports" / port
for entry in (port_dir / "boards").iterdir():
if not entry.is_dir():
continue
yield (port, entry)
def support_matrix_by_board(use_branded_name=True, withurl=True):
"""Compiles a list of the available core modules available for each
board.
"""
base = build_module_map()
def support_matrix(arg):
port, entry = arg
port_dir = get_circuitpython_root_dir() / "ports" / port
settings = get_settings_from_makefile(str(port_dir), entry.name)
if use_branded_name:
with open(entry / "mpconfigboard.h") as get_name:
board_contents = get_name.read()
board_name_re = re.search(
r"(?<=MICROPY_HW_BOARD_NAME)\s+(.+)", board_contents
)
if board_name_re:
board_name = board_name_re.group(1).strip('"')
else:
board_name = entry.name
board_modules = []
for module in base:
key = base[module]["key"]
if int(lookup_setting(settings, key, "0")):
board_modules.append(base[module]["name"])
board_modules.sort()
if "CIRCUITPY_BUILD_EXTENSIONS" in settings:
board_extensions = [
extension.strip()
for extension in settings["CIRCUITPY_BUILD_EXTENSIONS"].split(",")
]
else:
raise OSError(f"Board extensions undefined: {board_name}.")
frozen_modules = []
if "FROZEN_MPY_DIRS" in settings:
frozen_modules = frozen_modules_from_dirs(
settings["FROZEN_MPY_DIRS"], withurl
)
if frozen_modules:
frozen_modules.sort()
# generate alias boards too
board_matrix = [
(
board_name,
{
"modules": board_modules,
"frozen_libraries": frozen_modules,
"extensions": board_extensions,
},
)
]
if entry.name in ALIASES_BY_BOARD:
for alias in ALIASES_BY_BOARD[entry.name]:
if use_branded_name:
if alias in ALIASES_BRAND_NAMES:
alias = ALIASES_BRAND_NAMES[alias]
else:
alias = alias.replace("_", " ").title()
board_matrix.append(
(
alias,
{
"modules": board_modules,
"frozen_libraries": frozen_modules,
"extensions": board_extensions,
},
)
)
return board_matrix # this is now a list of (board,modules)
executor = ThreadPoolExecutor(max_workers=os.cpu_count())
mapped_exec = executor.map(support_matrix, all_ports_all_boards())
# flatmap with comprehensions
boards = dict(
sorted(
[board for matrix in mapped_exec for board in matrix], key=lambda x: x[0]
)
)
return boards
if __name__ == "__main__":
print(json.dumps(support_matrix_by_board(), indent=2))