embassy/embassy-executor/gen_config.py

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import os
abspath = os.path.abspath(__file__)
dname = os.path.dirname(abspath)
os.chdir(dname)
features = []
def feature(name, default, min=None, max=None, pow2=None, vals=None, factors=[]):
if vals is None:
assert min is not None
assert max is not None
vals = set()
val = min
while val <= max:
vals.add(val)
for f in factors:
if val * f <= max:
vals.add(val * f)
if (pow2 == True or (isinstance(pow2, int) and val >= pow2)) and val > 0:
val *= 2
else:
val += 1
vals.add(default)
vals = sorted(list(vals))
features.append(
{
"name": name,
"default": default,
"vals": vals,
}
)
feature(
"task_arena_size", default=4096, min=64, max=1024 * 1024, pow2=True, factors=[3, 5]
)
# ========= Update Cargo.toml
things = ""
for f in features:
name = f["name"].replace("_", "-")
for val in f["vals"]:
things += f"{name}-{val} = []"
if val == f["default"]:
things += " # Default"
things += "\n"
things += "\n"
SEPARATOR_START = "# BEGIN AUTOGENERATED CONFIG FEATURES\n"
SEPARATOR_END = "# END AUTOGENERATED CONFIG FEATURES\n"
HELP = "# Generated by gen_config.py. DO NOT EDIT.\n"
with open("Cargo.toml", "r") as f:
data = f.read()
before, data = data.split(SEPARATOR_START, maxsplit=1)
_, after = data.split(SEPARATOR_END, maxsplit=1)
data = before + SEPARATOR_START + HELP + things + SEPARATOR_END + after
with open("Cargo.toml", "w") as f:
f.write(data)
# ========= Update build.rs
things = ""
for f in features:
name = f["name"].upper()
things += f' ("{name}", {f["default"]}),\n'
SEPARATOR_START = "// BEGIN AUTOGENERATED CONFIG FEATURES\n"
SEPARATOR_END = "// END AUTOGENERATED CONFIG FEATURES\n"
HELP = " // Generated by gen_config.py. DO NOT EDIT.\n"
with open("build.rs", "r") as f:
data = f.read()
before, data = data.split(SEPARATOR_START, maxsplit=1)
_, after = data.split(SEPARATOR_END, maxsplit=1)
data = before + SEPARATOR_START + HELP + things + " " + SEPARATOR_END + after
with open("build.rs", "w") as f:
f.write(data)