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github.com_fedora-python_to.../src/tox_current_env/hooks.py

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import os
import shutil
import sys
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import tox
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@tox.hookimpl
def tox_addoption(parser):
parser.add_argument(
"--current-env",
action="store_true",
dest="current_env",
default=False,
help="Run tests in current environment, not creating any virtual environment",
)
parser.add_argument(
"--print-deps-only",
action="store_true",
dest="print_deps_only",
default=False,
help="Don't run tests, only print the dependencies",
)
@tox.hookimpl
def tox_configure(config):
"""Stores a global varibale with current_env option.
Makes all commands external"""
if config.option.print_deps_only:
config.skipsdist = True
elif config.option.current_env:
config.option.recreate = True
config.skipsdist = True
for testenv in config.envconfigs:
config.envconfigs[testenv].whitelist_externals = "*"
return config
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@tox.hookimpl
def tox_testenv_create(venv, action):
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"""We don't create anything"""
config = venv.envconfig.config
if config.option.current_env or config.option.print_deps_only:
link = venv.envconfig.get_envpython()
target = sys.executable
shutil.rmtree(os.path.dirname(link), ignore_errors=True)
os.makedirs(os.path.dirname(link))
os.symlink(target, link)
return True
@tox.hookimpl
def tox_testenv_install_deps(venv, action):
"""We don't install anything"""
config = venv.envconfig.config
if config.option.current_env or config.option.print_deps_only:
return True
@tox.hookimpl
def tox_runtest(venv, redirect):
if venv.envconfig.config.option.print_deps_only:
for depndency in venv.get_resolved_dependencies():
print(depndency)
return True