def create(
cls,
venv_dir, # type: str
interpreter=None, # type: Optional[PythonInterpreter]
force=False, # type: bool
):
# type: (...) -> Virtualenv
venv_dir = os.path.abspath(venv_dir)
safe_mkdir(venv_dir, clean=force)
interpreter = interpreter or PythonInterpreter.get()
if interpreter.is_venv:
base_interpreter = interpreter.resolve_base_interpreter()
TRACER.log(
"Ignoring enclosing venv {} and using its base interpreter {} to create venv at {}"
" instead.".format(interpreter.prefix, base_interpreter.binary, venv_dir),
V=3,
)
interpreter = base_interpreter
if interpreter.version[0] >= 3 and not interpreter.identity.interpreter == "PyPy":
# N.B.: PyPy3 comes equipped with a venv module but it does not seem to work.
interpreter.execute(args=["-m", "venv", "--without-pip", venv_dir])
else:
virtualenv_py = resource_string(__name__, "virtualenv_16.7.10_py")
with named_temporary_file(mode="wb") as fp:
fp.write(virtualenv_py)
fp.close()
interpreter.execute(
args=[fp.name, "--no-pip", "--no-setuptools", "--no-wheel", venv_dir],
)
return cls(venv_dir)
def walk_zipped_assets(static_module_name, static_path, asset_path, temp_dir):
for asset in resource_listdir(static_module_name, asset_path):
asset_target = os.path.normpath(
os.path.join(os.path.relpath(asset_path, static_path), asset))
if resource_isdir(static_module_name, os.path.join(asset_path, asset)):
safe_mkdir(os.path.join(temp_dir, asset_target))
walk_zipped_assets(static_module_name, static_path, os.path.join(asset_path, asset),
temp_dir)
else:
with open(os.path.join(temp_dir, asset_target), 'wb') as fp:
path = os.path.join(static_path, asset_target)
file_data = resource_string(static_module_name, path)
fp.write(file_data)
def walk_zipped_assets(static_module_name, static_path, asset_path,
temp_dir):
for asset in resource_listdir(static_module_name, asset_path):
asset_target = os.path.normpath(
os.path.join(os.path.relpath(asset_path, static_path),
asset))
if resource_isdir(static_module_name,
os.path.join(asset_path, asset)):
safe_mkdir(os.path.join(temp_dir, asset_target))
walk_zipped_assets(static_module_name, static_path,
os.path.join(asset_path, asset),
temp_dir)
else:
with open(os.path.join(temp_dir, asset_target),
'wb') as fp:
path = os.path.join(static_path, asset_target)
file_data = resource_string(static_module_name, path)
fp.write(file_data)
def walk_zipped_assets(static_module_name, static_path, asset_path, temp_dir):
for asset in resource_listdir(static_module_name, asset_path):
if not asset:
# The `resource_listdir` function returns a '' asset for the directory entry
# itself if it is either present on the filesystem or present as an explicit
# zip entry. Since we only care about files and subdirectories at this point,
# skip these assets.
continue
asset_target = os.path.normpath(
os.path.join(os.path.relpath(asset_path, static_path), asset)
)
if resource_isdir(static_module_name, os.path.join(asset_path, asset)):
safe_mkdir(os.path.join(temp_dir, asset_target))
walk_zipped_assets(
static_module_name, static_path, os.path.join(asset_path, asset), temp_dir
)
else:
with open(os.path.join(temp_dir, asset_target), "wb") as fp:
path = os.path.join(static_path, asset_target)
file_data = resource_string(static_module_name, path)
fp.write(file_data)