mirror of
https://github.com/PiBrewing/craftbeerpi4.git
synced 2024-11-27 17:28:02 +01:00
143 lines
3.1 KiB
Python
143 lines
3.1 KiB
Python
"""
|
|
compat
|
|
======
|
|
|
|
Cross-compatible functions for different versions of Python.
|
|
|
|
Other items:
|
|
* platform checker
|
|
"""
|
|
import platform
|
|
import struct
|
|
import sys
|
|
import warnings
|
|
|
|
from pandas._typing import F
|
|
|
|
PY37 = sys.version_info >= (3, 7)
|
|
PY38 = sys.version_info >= (3, 8)
|
|
PY39 = sys.version_info >= (3, 9)
|
|
PYPY = platform.python_implementation() == "PyPy"
|
|
IS64 = sys.maxsize > 2 ** 32
|
|
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# functions largely based / taken from the six module
|
|
|
|
# Much of the code in this module comes from Benjamin Peterson's six library.
|
|
# The license for this library can be found in LICENSES/SIX and the code can be
|
|
# found at https://bitbucket.org/gutworth/six
|
|
|
|
|
|
def set_function_name(f: F, name: str, cls) -> F:
|
|
"""
|
|
Bind the name/qualname attributes of the function.
|
|
"""
|
|
f.__name__ = name
|
|
f.__qualname__ = f"{cls.__name__}.{name}"
|
|
f.__module__ = cls.__module__
|
|
return f
|
|
|
|
|
|
# https://github.com/pandas-dev/pandas/pull/9123
|
|
def is_platform_little_endian() -> bool:
|
|
"""
|
|
Checking if the running platform is little endian.
|
|
|
|
Returns
|
|
-------
|
|
bool
|
|
True if the running platform is little endian.
|
|
"""
|
|
return sys.byteorder == "little"
|
|
|
|
|
|
def is_platform_windows() -> bool:
|
|
"""
|
|
Checking if the running platform is windows.
|
|
|
|
Returns
|
|
-------
|
|
bool
|
|
True if the running platform is windows.
|
|
"""
|
|
return sys.platform == "win32" or sys.platform == "cygwin"
|
|
|
|
|
|
def is_platform_linux() -> bool:
|
|
"""
|
|
Checking if the running platform is linux.
|
|
|
|
Returns
|
|
-------
|
|
bool
|
|
True if the running platform is linux.
|
|
"""
|
|
return sys.platform == "linux2"
|
|
|
|
|
|
def is_platform_mac() -> bool:
|
|
"""
|
|
Checking if the running platform is mac.
|
|
|
|
Returns
|
|
-------
|
|
bool
|
|
True if the running platform is mac.
|
|
"""
|
|
return sys.platform == "darwin"
|
|
|
|
|
|
def is_platform_32bit() -> bool:
|
|
"""
|
|
Checking if the running platform is 32-bit.
|
|
|
|
Returns
|
|
-------
|
|
bool
|
|
True if the running platform is 32-bit.
|
|
"""
|
|
return struct.calcsize("P") * 8 < 64
|
|
|
|
|
|
def _import_lzma():
|
|
"""
|
|
Importing the `lzma` module.
|
|
|
|
Warns
|
|
-----
|
|
When the `lzma` module is not available.
|
|
"""
|
|
try:
|
|
import lzma
|
|
|
|
return lzma
|
|
except ImportError:
|
|
msg = (
|
|
"Could not import the lzma module. Your installed Python is incomplete. "
|
|
"Attempting to use lzma compression will result in a RuntimeError."
|
|
)
|
|
warnings.warn(msg)
|
|
|
|
|
|
def _get_lzma_file(lzma):
|
|
"""
|
|
Importing the `LZMAFile` class from the `lzma` module.
|
|
|
|
Returns
|
|
-------
|
|
class
|
|
The `LZMAFile` class from the `lzma` module.
|
|
|
|
Raises
|
|
------
|
|
RuntimeError
|
|
If the `lzma` module was not imported correctly, or didn't exist.
|
|
"""
|
|
if lzma is None:
|
|
raise RuntimeError(
|
|
"lzma module not available. "
|
|
"A Python re-install with the proper dependencies, "
|
|
"might be required to solve this issue."
|
|
)
|
|
return lzma.LZMAFile
|