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"""Custom build script for hatch backend"""
import os
import sys
from urllib.request import urlopen
from hatchling.builders.hooks.plugin.interface import BuildHookInterface
notebook_css_version = "5.4.0"
notebook_css_url = "https://cdn.jupyter.org/notebook/%s/style/style.min.css" % notebook_css_version
jupyterlab_css_version = "4.0.2"
jupyterlab_css_url = (
"https://unpkg.com/@jupyterlab/nbconvert-css@%s/style/index.css" % jupyterlab_css_version
)
jupyterlab_theme_light_version = "4.0.2"
jupyterlab_theme_light_url = (
"https://unpkg.com/@jupyterlab/theme-light-extension@%s/style/variables.css"
% jupyterlab_theme_light_version
)
jupyterlab_theme_dark_version = "4.0.2"
jupyterlab_theme_dark_url = (
"https://unpkg.com/@jupyterlab/theme-dark-extension@%s/style/variables.css"
% jupyterlab_theme_dark_version
)
template_css_urls = {
"lab": [
(jupyterlab_css_url, "index.css"),
(jupyterlab_theme_light_url, "theme-light.css"),
(jupyterlab_theme_dark_url, "theme-dark.css"),
],
"classic": [(notebook_css_url, "style.css")],
}
osp = os.path
here = osp.abspath(osp.dirname(__file__))
templates_dir = osp.join(here, "share", "templates")
def _get_css_file(template_name, url, filename):
"""Get a css file and download it to the templates dir"""
directory = osp.join(templates_dir, template_name, "static")
dest = osp.join(directory, filename)
if osp.exists(dest):
print("Already have CSS: %s, moving on." % dest)
return
if not osp.exists(directory):
os.makedirs(directory)
print("Downloading CSS: %s" % url)
try:
css = urlopen(url).read() # noqa: S310
except Exception as e:
msg = f"Failed to download css from {url}: {e}"
print(msg, file=sys.stderr)
msg = "Need CSS to proceed."
raise OSError(msg) from None
return
with open(dest, "wb") as f:
f.write(css)
print("Downloaded Notebook CSS to %s" % dest)
def _get_css_files():
"""Get all of the css files if necessary"""
# Disabled in Debian package; we copy them in debian/rules instead.
return
in_checkout = osp.exists(osp.abspath(osp.join(here, "..", ".git")))
if in_checkout:
print("Not running from git, nothing to do")
return
for template_name, resources in template_css_urls.items():
for url, filename in resources:
_get_css_file(template_name, url, filename)
class CustomHook(BuildHookInterface):
"""A custom build hook for nbconvert."""
def initialize(self, version, build_data):
"""Initialize the hook."""
if self.target_name not in ["wheel", "sdist"]:
return
_get_css_files()
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