feat: allow custom headers in urlopener + pass to it from urlopen #2049

	name: CI
	on:
	workflow_dispatch:
	pull_request:
	types: [opened, synchronize, reopened]
	push:
	branches:
	- main
	defaults:
	run:
	shell: bash

	env:
	OBJC_DISABLE_INITIALIZE_FORK_SAFETY: YES

	jobs:
	fastcore:
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu, macos] #,windows]
	py: ["3.10", "3.11", "3.12", "3.13"]
	include:
	#- os: windows
	# shell: "/usr/bin/bash"
	- os: ubuntu
	shell: "/bin/bash"
	- os: macos
	shell: "/bin/bash"
	runs-on: ${{ matrix.os }}-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.py }}
	- name: Install dependencies
	run: \|
	pip install -Uqq "nbdev>3"
	pip install -e ".[dev]"
	- name: Run tests
	run: nbdev-test
	env:
	SHELL: ${{ matrix.shell }}

	nbdev-integration-test:
	runs-on: ubuntu-latest
	steps:
	- name: Set up Python
	uses: actions/setup-python@v3
	with:
	python-version: '3.12'
	- name: clone this branch [fastcore]
	uses: actions/checkout@v3
	with:
	path: fastcore_lib
	- name: clone nbdev
	uses: actions/checkout@v3
	with:
	repository: 'fastai/nbdev'
	path: nbdev
	- name: Install libraries
	run: \|
	cd fastcore_lib && pip install -Ue .[dev]
	cd ../nbdev && pip install -Ue .[dev]
	- name: test nbdev notebooks
	run: \|
	cd nbdev && nbdev-test

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