pyodide/pyodide_build/common.py

53 lines
1.3 KiB
Python

from pathlib import Path
from typing import Optional, Set
ROOTDIR = Path(__file__).parents[1].resolve() / "tools"
HOSTPYTHON = ROOTDIR / ".." / "cpython" / "build" / "3.8.2" / "host"
TARGETPYTHON = ROOTDIR / ".." / "cpython" / "installs" / "python-3.8.2"
DEFAULTCFLAGS = ""
DEFAULTLDFLAGS = " ".join(
[
"-O3",
"-s",
"BINARYEN_METHOD='native-wasm'",
"-Werror",
"-s",
"EMULATED_FUNCTION_POINTERS=1",
"-s",
"EMULATE_FUNCTION_POINTER_CASTS=1",
"-s",
"SIDE_MODULE=1",
"-s",
"WASM=1",
"--memory-init-file",
"0",
]
)
def parse_package(package):
# Import yaml here because pywasmcross needs to run in the built native
# Python, which won't have PyYAML
import yaml
# TODO: Validate against a schema
with open(package) as fd:
return yaml.load(fd)
def _parse_package_subset(query: Optional[str]) -> Optional[Set[str]]:
"""Parse the list of packages specified with PYODIDE_PACKAGES env var.
Also add the list of mandatory packages: ['micropip', 'distlib']
Returns:
a set of package names to build or None.
"""
if query is None:
return None
packages = query.split(",")
packages = [el.strip() for el in packages]
packages = ["micropip", "distlib"] + packages
return set(packages)