Do not use --ignore-missing-stubs in stubtest_stdlib - #6403

import re

platforms = ["linux", "win32", "darwin"]
versions = ["py36", "py37", "py38", "py39", "py310"]

entries_by_pv = {}
for p in platforms:
    for v in versions:
        p_name = {"linux": "ubuntu", "darwin": "macos", "win32": "windows"}[p]
        v_name = "3." + v.replace("py3", "")
        if v_name == "3.9":
            v_name = "3.9.7"

        entries = set()
        with open(f"la/Check stdlib with stubtest ({p_name}-latest, {v_name})/6_Run stubtest.txt") as file:
            for line in file:
                m = re.search(r"error: (.*) is not present in stub$", line.strip())
                if m:
                    entries.add(m.group(1))
        entries_by_pv[p, v] = entries

def remove_intersection(sets):
    sets = list(sets)
    result = set(sets[0])
    for s in sets[1:]:
        result &= s
    for s in sets:
        for r in result:
            s.remove(r)
    return result

common_to_all = remove_intersection(entries_by_pv.values())

common_to_version = {}
for v in versions:
    common_to_version[v] = remove_intersection([
        entries
        for (p, v2), entries in entries_by_pv.items()
        if v == v2
    ])

common_to_platform = {}
for p in platforms:
    common_to_platform[p] = remove_intersection([
        entries
        for (p2, v), entries in entries_by_pv.items()
        if p == p2
    ])

def write(fname, entries):
    with open(f"tests/stubtest_allowlists/{fname}.txt", "a") as file:
        file.write("\n# Missing from stubs, found by removing --ignore-missing-stub\n")
        for i in sorted(entries):
            file.write(i + "\n")

write("py3_common", common_to_all)
for v, entries in common_to_version.items():
    write(v, entries)
for p, entries in common_to_platform.items():
    write(p, entries)
for (p, v), entries in entries_by_pv.items():
    write(p + "-" + v, entries)