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"""
Test completions from *.pyc files:
- generate a dummy python module
- compile the dummy module to generate a *.pyc
- delete the pure python dummy module
- try jedi on the generated *.pyc
"""
import os
import shutil
import sys
import pytest
import jedi
from ..helpers import cwd_at
SRC = """class Foo:
pass
class Bar:
pass
"""
def generate_pyc():
os.mkdir("dummy_package")
with open("dummy_package/__init__.py", 'w'):
pass
with open("dummy_package/dummy.py", 'w') as f:
f.write(SRC)
import compileall
compileall.compile_file("dummy_package/dummy.py")
os.remove("dummy_package/dummy.py")
if sys.version_info[0] == 3:
# Python3 specific:
# To import pyc modules, we must move them out of the __pycache__
# directory and rename them to remove ".cpython-%s%d"
# see: http://stackoverflow.com/questions/11648440/python-does-not-detect-pyc-files
for f in os.listdir("dummy_package/__pycache__"):
dst = f.replace('.cpython-%s%s' % sys.version_info[:2], "")
dst = os.path.join("dummy_package", dst)
shutil.copy(os.path.join("dummy_package/__pycache__", f), dst)
# Python 2.6 does not necessarily come with `compileall.compile_file`.
@pytest.mark.skipif("sys.version_info > (2,6)")
@cwd_at('test/test_evaluate')
def test_pyc():
"""
The list of completion must be greater than 2.
"""
try:
generate_pyc()
s = jedi.Script("from dummy_package import dummy; dummy.", path='blub.py')
assert len(s.completions()) >= 2
finally:
shutil.rmtree("dummy_package")
if __name__ == "__main__":
test_pyc()
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