def do_test(dirname):
envdir = os.path.join(dirname, "myenv")
# don't specify a python version so we use the one we already have
# in the root env, otherwise this might take forever.
conda_api.create(prefix=envdir, pkgs=['python'])
assert os.path.isdir(envdir)
assert os.path.isdir(os.path.join(envdir, "conda-meta"))
# test that we can install a package via pip
assert not os.path.exists(os.path.join(envdir, FLAKE8_BINARY))
pip_api.install(prefix=envdir, pkgs=['flake8'])
assert os.path.exists(os.path.join(envdir, FLAKE8_BINARY))
# list what was installed
installed = pip_api.installed(prefix=envdir)
assert 'flake8' in installed
assert installed['flake8'][0] == 'flake8'
assert installed['flake8'][1] is not None
# test that we can remove it again
pip_api.remove(prefix=envdir, pkgs=['flake8'])
assert not os.path.exists(os.path.join(envdir, FLAKE8_BINARY))
# no longer in the installed list
installed = pip_api.installed(prefix=envdir)
assert 'flake8' not in installed
def remove_packages(self, prefix, packages, pip=False):
if pip:
try:
pip_api.remove(prefix,
packages,
stdout_callback=self._on_stdout,
stderr_callback=self._on_stderr)
except pip_api.PipError as e:
raise CondaManagerError(
'Failed to remove pip packages from {}: {}'.format(
prefix, str(e)))
else:
try:
conda_api.remove(prefix,
packages,
stdout_callback=self._on_stdout,
stderr_callback=self._on_stderr)
except conda_api.CondaError as e:
raise CondaManagerError(
"Failed to remove packages from %s: %s" % (prefix, str(e)))
def do_test(dirname):
envdir = os.path.join(dirname, "myenv")
conda_api.create(prefix=envdir, pkgs=['python'])
# no packages to install
with pytest.raises(TypeError) as excinfo:
pip_api.install(prefix=envdir, pkgs=[])
assert 'must specify a list' in repr(excinfo.value)
# no packages to remove
with pytest.raises(TypeError) as excinfo:
pip_api.remove(prefix=envdir, pkgs=[])
assert 'must specify a list' in repr(excinfo.value)
# pip command not installed
from os.path import exists as real_exists
def mock_exists(path):
if path.endswith("pip") or path.endswith("pip.exe"):
return False
else:
return real_exists(path)
monkeypatch.setattr('os.path.exists', mock_exists)
with pytest.raises(pip_api.PipNotInstalledError) as excinfo:
pip_api.install(prefix=envdir, pkgs=['foo'])
assert 'command is not installed in the environment' in repr(
excinfo.value)
installed = pip_api.installed(prefix=envdir)
assert dict(
) == installed # with pip not installed, no packages are listed.
# pip command exits nonzero
error_script = """from __future__ import print_function
import sys
print("TEST_ERROR", file=sys.stderr)
sys.exit(1)
"""
def get_failed_command(prefix, extra_args):
return tmp_script_commandline(error_script)
monkeypatch.setattr(
'anaconda_project.internal.pip_api._get_pip_command',
get_failed_command)
with pytest.raises(pip_api.PipError) as excinfo:
pip_api.install(prefix=envdir, pkgs=['flake8'])
assert 'TEST_ERROR' in repr(excinfo.value)
# pip command exits zero printing stuff on stderr
error_message_but_success_script = """from __future__ import print_function
import sys
print("TEST_ERROR", file=sys.stderr)
sys.exit(0)
"""
def get_failed_command(prefix, extra_args):
return tmp_script_commandline(error_message_but_success_script)
monkeypatch.setattr(
'anaconda_project.internal.pip_api._get_pip_command',
get_failed_command)
pip_api.install(prefix=envdir, pkgs=['flake8'])
# cannot exec pip
def mock_popen(args, stdout=None, stderr=None):
raise OSError("failed to exec")
monkeypatch.setattr('subprocess.Popen', mock_popen)
with pytest.raises(pip_api.PipError) as excinfo:
pip_api.install(prefix=envdir, pkgs=['flake8'])
assert 'failed to exec' in repr(excinfo.value)