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# Copyright (c) Thomas Kluyver and contributors
# Distributed under the terms of the MIT license; see LICENSE file.
import os.path as osp
import pytest
import warnings
from zipfile import ZipFile
import entrypoints
samples_dir = osp.join(osp.dirname(__file__), 'samples')
sample_path = [
osp.join(samples_dir, 'packages1'),
osp.join(samples_dir, 'packages1', 'baz-0.3.egg'),
osp.join(samples_dir, 'packages2'),
osp.join(samples_dir, 'packages2', 'qux-0.4.egg'),
]
def test_iter_files_distros():
result = entrypoints.iter_files_distros(path=sample_path)
# the sample_path has 4 unique items so iter_files_distros returns 4 tuples
assert len(list(result)) == 4
# testing a development, egg aka installed with pip install -e .
# these don't have version info in the .egg-info directory name
# (eg dev-0.0.1.egg-info)
path_with_dev = [osp.join(samples_dir, 'packages4')]
result = entrypoints.iter_files_distros(path=path_with_dev)
assert len(list(result)) == 1
# duplicate dev versions should still return one result
path_with_dev_duplicates = path_with_dev * 2
result = entrypoints.iter_files_distros(path=path_with_dev_duplicates)
assert len(list(result)) == 1
def test_get_group_all():
group = entrypoints.get_group_all('entrypoints.test1', sample_path)
print(group)
assert len(group) == 5
assert {ep.name for ep in group} == {'abc', 'rew', 'opo', 'njn'}
def test_get_group_named():
group = entrypoints.get_group_named('entrypoints.test1', sample_path)
print(group)
assert len(group) == 4
assert group['abc'].module_name == 'foo'
assert group['abc'].object_name == 'abc'
def test_get_single():
ep = entrypoints.get_single('entrypoints.test1', 'abc', sample_path)
assert ep.module_name == 'foo'
assert ep.object_name == 'abc'
ep2 = entrypoints.get_single('entrypoints.test1', 'njn', sample_path)
assert ep2.module_name == 'qux.extn'
assert ep2.object_name == 'Njn.load'
def test_dot_prefix():
ep = entrypoints.get_single('blogtool.parsers', '.rst', sample_path)
assert ep.object_name == 'SomeClass.some_classmethod'
assert ep.extras == ['reST']
group = entrypoints.get_group_named('blogtool.parsers', sample_path)
assert set(group.keys()) == {'.rst'}
def test_case_sensitive():
group = entrypoints.get_group_named('test.case_sensitive', sample_path)
assert set(group.keys()) == {'Ptangle', 'ptangle'}
def test_load_zip(tmpdir):
whl_file = str(tmpdir / 'parmesan-1.2.whl')
with ZipFile(whl_file, 'w') as whl:
whl.writestr('parmesan-1.2.dist-info/entry_points.txt',
b'[entrypoints.test.inzip]\na = edam:gouda')
whl.writestr('gruyere-2!1b4.dev0.egg-info/entry_points.txt',
b'[entrypoints.test.inzip]\nb = wensleydale:gouda')
ep = entrypoints.get_single('entrypoints.test.inzip', 'a', [str(whl_file)])
assert ep.module_name == 'edam'
assert ep.object_name == 'gouda'
assert ep.distro.name == 'parmesan'
assert ep.distro.version == '1.2'
ep2 = entrypoints.get_single('entrypoints.test.inzip', 'b', [str(whl_file)])
assert ep2.module_name == 'wensleydale'
assert ep2.object_name == 'gouda'
assert ep2.distro.name == 'gruyere'
assert ep2.distro.version == '2!1b4.dev0'
def test_load():
ep = entrypoints.EntryPoint('get_ep', 'entrypoints', 'get_single', None)
obj = ep.load()
assert obj is entrypoints.get_single
# The object part is optional (e.g. pytest plugins use just a module ref)
ep = entrypoints.EntryPoint('ep_mod', 'entrypoints', None)
obj = ep.load()
assert obj is entrypoints
def test_bad():
bad_path = [osp.join(samples_dir, 'packages3')]
with warnings.catch_warnings(record=True) as w:
group = entrypoints.get_group_named('entrypoints.test1', bad_path)
assert 'bad' not in group
assert len(w) == 1
with warnings.catch_warnings(record=True) as w2, \
pytest.raises(entrypoints.NoSuchEntryPoint):
ep = entrypoints.get_single('entrypoints.test1', 'bad')
assert len(w) == 1
def test_missing():
with pytest.raises(entrypoints.NoSuchEntryPoint) as ec:
entrypoints.get_single('no.such.group', 'no_such_name', sample_path)
assert ec.value.group == 'no.such.group'
assert ec.value.name == 'no_such_name'
def test_parse():
ep = entrypoints.EntryPoint.from_string(
'some.module:some.attr [extra1,extra2]', 'foo'
)
assert ep.module_name == 'some.module'
assert ep.object_name == 'some.attr'
assert ep.extras == ['extra1', 'extra2']
def test_parse_bad():
with pytest.raises(entrypoints.BadEntryPoint):
entrypoints.EntryPoint.from_string("this won't work", 'foo')
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