Viewing file:  cpython2.py (2.98 KB) -rw-r--r--
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from __future__ import absolute_import, unicode_literals
import abc
import logging
from six import add_metaclass
from virtualenv.create.via_global_ref.builtin.ref import PathRefToDest
from virtualenv.util.path import Path
from ..python2.python2 import Python2
from .common import CPython, CPythonPosix, CPythonWindows, is_mac_os_framework
@add_metaclass(abc.ABCMeta)
class CPython2(CPython, Python2):
"""Create a CPython version 2 virtual environment"""
@classmethod
def sources(cls, interpreter):
for src in super(CPython2, cls).sources(interpreter):
yield src
# include folder needed on Python 2 as we don't have pyenv.cfg
host_include_marker = cls.host_include_marker(interpreter)
if host_include_marker.exists():
yield PathRefToDest(host_include_marker.parent, dest=lambda self, _: self.include)
@classmethod
def needs_stdlib_py_module(cls):
return False
@classmethod
def host_include_marker(cls, interpreter):
return Path(interpreter.system_include) / "Python.h"
@property
def include(self):
# the pattern include the distribution name too at the end, remove that via the parent call
return (self.dest / self.interpreter.distutils_install["headers"]).parent
@classmethod
def modules(cls):
return [
"os", # landmark to set sys.prefix
]
def ensure_directories(self):
dirs = super(CPython2, self).ensure_directories()
host_include_marker = self.host_include_marker(self.interpreter)
if host_include_marker.exists():
dirs.add(self.include.parent)
else:
logging.debug("no include folders as can't find include marker %s", host_include_marker)
return dirs
class CPython2Posix(CPython2, CPythonPosix):
"""CPython 2 on POSIX (excluding macOs framework builds)"""
@classmethod
def can_describe(cls, interpreter):
return is_mac_os_framework(interpreter) is False and super(CPython2Posix, cls).can_describe(interpreter)
@classmethod
def sources(cls, interpreter):
for src in super(CPython2Posix, cls).sources(interpreter):
yield src
# landmark for exec_prefix
exec_marker_file, to_path, _ = cls.from_stdlib(cls.mappings(interpreter), "lib-dynload")
yield PathRefToDest(exec_marker_file, dest=to_path)
class CPython2Windows(CPython2, CPythonWindows):
"""CPython 2 on Windows"""
@classmethod
def sources(cls, interpreter):
for src in super(CPython2Windows, cls).sources(interpreter):
yield src
py27_dll = Path(interpreter.system_executable).parent / "python27.dll"
if py27_dll.exists(): # this might be global in the Windows folder in which case it's alright to be missing
yield PathRefToDest(py27_dll, dest=cls.to_bin)
libs = Path(interpreter.system_prefix) / "libs"
if libs.exists():
yield PathRefToDest(libs, dest=lambda self, s: self.dest / s.name)
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