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from __future__ import unicode_literals
import os
import re
import sys
import six
import tox
class PythonSpec(object):
def __init__(self, name, major, minor, architecture, path, args=None):
self.name = name
self.major = major
self.minor = minor
self.architecture = architecture
self.path = path
self.args = args
def __repr__(self):
return (
"{0.__class__.__name__}(name={0.name!r}, major={0.major!r}, minor={0.minor!r}, "
"architecture={0.architecture!r}, path={0.path!r}, args={0.args!r})"
).format(self)
def __str__(self):
msg = repr(self)
return msg.encode("utf-8") if six.PY2 else msg
def satisfies(self, req):
if req.is_abs and self.is_abs and self.path != req.path:
return False
if req.name is not None and req.name != self.name:
return False
if req.architecture is not None and req.architecture != self.architecture:
return False
if req.major is not None and req.major != self.major:
return False
if req.minor is not None and req.minor != self.minor:
return False
if req.major is None and req.minor is not None:
return False
return True
@property
def is_abs(self):
return self.path is not None and os.path.isabs(self.path)
@classmethod
def from_name(cls, base_python):
name, major, minor, architecture, path = None, None, None, None, None
if os.path.isabs(base_python):
path = base_python
else:
match = re.match(r"(python|pypy|jython)(\d)?(?:\.(\d+))?(-(32|64))?$", base_python)
if match:
groups = match.groups()
name = groups[0]
major = int(groups[1]) if len(groups) >= 2 and groups[1] is not None else None
minor = int(groups[2]) if len(groups) >= 3 and groups[2] is not None else None
architecture = (
int(groups[3]) if len(groups) >= 4 and groups[3] is not None else None
)
else:
path = base_python
return cls(name, major, minor, architecture, path)
CURRENT = PythonSpec(
"pypy" if tox.constants.INFO.IS_PYPY else "python",
sys.version_info[0],
sys.version_info[1],
64 if sys.maxsize > 2 ** 32 else 32,
sys.executable,
)
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