87 lines
2.3 KiB
Python
87 lines
2.3 KiB
Python
import json
|
|
import logging
|
|
|
|
|
|
class Session:
|
|
"""Represents a virtual environment creation session"""
|
|
|
|
def __init__(self, verbosity, app_data, interpreter, creator, seeder, activators):
|
|
self._verbosity = verbosity
|
|
self._app_data = app_data
|
|
self._interpreter = interpreter
|
|
self._creator = creator
|
|
self._seeder = seeder
|
|
self._activators = activators
|
|
|
|
@property
|
|
def verbosity(self):
|
|
"""The verbosity of the run"""
|
|
return self._verbosity
|
|
|
|
@property
|
|
def interpreter(self):
|
|
"""Create a virtual environment based on this reference interpreter"""
|
|
return self._interpreter
|
|
|
|
@property
|
|
def creator(self):
|
|
"""The creator used to build the virtual environment (must be compatible with the interpreter)"""
|
|
return self._creator
|
|
|
|
@property
|
|
def seeder(self):
|
|
"""The mechanism used to provide the seed packages (pip, setuptools, wheel)"""
|
|
return self._seeder
|
|
|
|
@property
|
|
def activators(self):
|
|
"""Activators used to generate activations scripts"""
|
|
return self._activators
|
|
|
|
def run(self):
|
|
self._create()
|
|
self._seed()
|
|
self._activate()
|
|
self.creator.pyenv_cfg.write()
|
|
|
|
def _create(self):
|
|
logging.info("create virtual environment via %s", self.creator)
|
|
self.creator.run()
|
|
logging.debug(_DEBUG_MARKER)
|
|
logging.debug("%s", _Debug(self.creator))
|
|
|
|
def _seed(self):
|
|
if self.seeder is not None and self.seeder.enabled:
|
|
logging.info("add seed packages via %s", self.seeder)
|
|
self.seeder.run(self.creator)
|
|
|
|
def _activate(self):
|
|
if self.activators:
|
|
active = ", ".join(type(i).__name__.replace("Activator", "") for i in self.activators)
|
|
logging.info("add activators for %s", active)
|
|
for activator in self.activators:
|
|
activator.generate(self.creator)
|
|
|
|
def __enter__(self):
|
|
return self
|
|
|
|
def __exit__(self, exc_type, exc_val, exc_tb): # noqa: U100
|
|
self._app_data.close()
|
|
|
|
|
|
_DEBUG_MARKER = "=" * 30 + " target debug " + "=" * 30
|
|
|
|
|
|
class _Debug:
|
|
"""lazily populate debug"""
|
|
|
|
def __init__(self, creator):
|
|
self.creator = creator
|
|
|
|
def __repr__(self):
|
|
return json.dumps(self.creator.debug, indent=2)
|
|
|
|
|
|
__all__ = [
|
|
"Session",
|
|
]
|