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"""Custom build script for hatch backend"""
import glob
import os
import subprocess
from hatchling.builders.hooks.plugin.interface import BuildHookInterface
class CustomHook(BuildHookInterface):
def initialize(self, version, build_data):
if self.target_name not in ["wheel", "sdist"]:
return
cmd = "build:prod" if version == "standard" else "build"
osp = os.path
here = osp.abspath(osp.dirname(__file__))
lab_path = osp.join(here, 'ipyparallel', 'labextension')
if os.environ.get("IPP_DISABLE_JS") == "1":
print("Skipping js installation")
return
# this tells us if labextension is built at all, not if it's up-to-date
labextension_built = glob.glob(osp.join(lab_path, "*"))
needs_js = True
if not osp.isdir(osp.join(here, ".git")):
print("Installing from a dist, not a repo")
# not in a repo, probably installing from sdist
# could be git-archive, though!
# skip rebuilding js if it's already present
if labextension_built:
print(f"Not regenerating labextension in {lab_path}")
needs_js = False
if needs_js:
subprocess.check_call(['jlpm'], cwd=here)
subprocess.check_call(['jlpm', 'run', cmd], cwd=here)
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