Old usage is still accepted but causes a deprecation warning, saying
we will remove it in v0.21. Similar to #2300. I am planning to add
an option to do wasm compilation in a subsequent PR.

I also did some cleanup from #2300 and added tests for the deprecation 
warnings.
Change extract_dir argument of unpackArchive to be a keyword argument. Old usage is still accepted but causes a deprecation warning, saying
we will remove it in v0.21. Similar to #2300. I am planning to add
an option to do wasm compilation in a subsequent PR.

I also did some cleanup from #2300 and added tests for the deprecation 
warnings.
from pyodide_build.testing import run_in_pyodide


@run_in_pyodide(standalone=True, packages=["networkx"])
def test_networkx_basicgraph():
    import networkx as nx

    G = nx.Graph()
    G.add_nodes_from([1, 2, 3])
    G.add_edges_from([(1, 2), (1, 3)])

    assert G.number_of_nodes() == 3
    assert G.number_of_edges() == 2

from pyodide_build.testing import run_in_pyodide


@run_in_pyodide(standalone=True, packages=["networkx"])
def test_networkx_basicgraph():
    import networkx as nx

    G = nx.Graph()
    G.add_nodes_from([1, 2, 3])
    G.add_edges_from([(1, 2), (1, 3)])

    assert G.number_of_nodes() == 3
    assert G.number_of_edges() == 2
