Tasmota/pio-tools/tasmotapiolib.py

88 lines
2.7 KiB
Python

"""Supporting library for pio-tools scripts"""
import pathlib
import os
# Constants for environment variables that can be set to control build output file
# locations and formats
# if set to 1, will not gzip esp8266 bin files
DISABLE_BIN_GZ = "TASMOTA_DISABLE_BIN_GZ"
# if set, an alternative ptah to put generated .bin files
BIN_DIR = "TASMOTA_BIN_DIR"
# if set to 1, will not gzip generated .map files
DISABLE_MAP_GZ = "TASMOTA_DISABLE_MAP_GZ"
# if set, an alternative path to put generated .map files
MAP_DIR = "TASMOTA_MAP_DIR"
OUTPUT_DIR = pathlib.Path("build_output")
def get_variant(env) -> str:
"""Get the current build variant."""
return env["PIOENV"]
def get_final_bin_path(env) -> pathlib.Path:
"""Path to the final destination for the .bin
If the parent directory does not exist, it will be created"""
firmware_dir = get_override_path(BIN_DIR)
firmware_dir.mkdir(parents=True, exist_ok=True)
return firmware_dir / "{}.bin".format(get_variant(env))
def get_final_map_path(env) -> pathlib.Path:
"""Path to the final destination for the .map file
If the parent directory does not exist, it will be created"""
map_dir = get_override_path(MAP_DIR)
map_dir.mkdir(parents=True, exist_ok=True)
return map_dir / "{}.map".format(get_variant(env))
def get_source_map_path(env) -> pathlib.Path:
"""Path to the built .map file.
Tests potential locations, returning the first match.
Raises FileNotFoundError if no match found"""
fwmap_path = pathlib.Path("firmware.map")
if fwmap_path.is_file():
return fwmap_path
# firmware maybe in project build directory
# PIO env variables see: https://github.com/platformio/platformio-core/blob/develop/platformio/builder/main.py#L108:L128
proj_build_dir = pathlib.Path(env["PROJECT_BUILD_DIR"])
proj_dir = pathlib.Path(env["PROJECT_DIR"])
map_name = proj_dir.parts[-1] + ".map"
fwmap_path = proj_build_dir / get_variant(env) / map_name
if fwmap_path.is_file():
return fwmap_path
raise FileNotFoundError
def get_override_path(pathtype) -> pathlib.Path:
"""
Returns a path to a givens override path if set, otherwise OUTPUT_DIR is used
pathtype must be either MAP_DIR or BIN_DIR.
"""
override = os.environ.get(pathtype)
if override:
return pathlib.Path(override)
if pathtype == BIN_DIR:
return OUTPUT_DIR / "firmware"
elif pathtype == MAP_DIR:
return OUTPUT_DIR / "map"
raise ValueError
def is_env_set(name: str):
"""True if the enviornment variable <name> is set to `1`"""
val = os.environ.get(name.upper())
if val:
val = val.strip()
return val == "1"
return False