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import os
import sys
import tempfile
import contextlib
import shutil
def set_search_paths(topdir):
"""Set search paths so that we can import Python modules"""
os.environ['PYTHONPATH'] = topdir + os.pathsep \
+ os.environ.get('PYTHONPATH', '')
sys.path.insert(0, topdir)
def get_input_file_name(topdir, fname):
"""Return full path to a test input file"""
return os.path.join(topdir, 'test', 'input', fname)
@contextlib.contextmanager
def temporary_directory(dir=None):
_tmpdir = tempfile.mkdtemp(dir=dir)
yield _tmpdir
shutil.rmtree(_tmpdir, ignore_errors=True)
if 'coverage' in sys.modules:
import atexit
# Collect coverage information from subprocesses
__site_tmpdir = tempfile.mkdtemp()
with open(os.path.join(__site_tmpdir, 'sitecustomize.py'), 'w') as fh:
fh.write("""
import coverage
import atexit
import os
_cov = coverage.coverage(branch=True, data_suffix=True, auto_data=True,
data_file=os.path.join('%s', '.coverage'))
_cov.start()
def _coverage_cleanup(c):
c.stop()
atexit.register(_coverage_cleanup, _cov)
""" % os.getcwd())
os.environ['PYTHONPATH'] = __site_tmpdir + os.pathsep \
+ os.environ.get('PYTHONPATH', '')
def __cleanup(d):
shutil.rmtree(d, ignore_errors=True)
atexit.register(__cleanup, __site_tmpdir)
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