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avoid using platform.architecture() to detect 32-bit-ness in datetime tests 

Same reasoning as the previous commit.
This commit is contained in:
Jack O'Connor 2020-03-25 12:09:25 -04:00
parent f3876a90b3
commit 9e23476221
1 changed files with 16 additions and 4 deletions
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20
examples/rustapi_module/tests/test_datetime.py
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@ -1,6 +1,7 @@
import datetime as pdt import datetime as pdt
import sys
import platform import platform
import struct
import sys
import pytest import pytest
import rustapi_module.datetime as rdt import rustapi_module.datetime as rdt
@ -40,16 +41,27 @@ MIN_DAYS = pdt.timedelta.min // pdt.timedelta(days=1)
MAX_MICROSECONDS = int(pdt.timedelta.max.total_seconds() * 1e6) MAX_MICROSECONDS = int(pdt.timedelta.max.total_seconds() * 1e6)
MIN_MICROSECONDS = int(pdt.timedelta.min.total_seconds() * 1e6) MIN_MICROSECONDS = int(pdt.timedelta.min.total_seconds() * 1e6)
IS_X86 = platform.architecture()[0] == "32bit" # The reason we don't use platform.architecture() here is that it's not
# reliable on macOS. See https://stackoverflow.com/a/1405971/823869. Similarly,
# sys.maxsize is not reliable on Windows. See
# https://stackoverflow.com/questions/1405913/how-do-i-determine-if-my-python-shell-is-executing-in-32bit-or-64bit-mode-on-os/1405971#comment6209952_1405971
# and https://stackoverflow.com/a/3411134/823869.
_pointer_size = struct.calcsize("P")
if _pointer_size == 8:
IS_32_BIT = False
elif _pointer_size == 4:
IS_32_BIT = True
else:
raise RuntimeError("unexpected pointer size: " + repr(_pointer_size))
IS_WINDOWS = sys.platform == "win32" IS_WINDOWS = sys.platform == "win32"
if IS_WINDOWS: if IS_WINDOWS:
MIN_DATETIME = pdt.datetime(1970, 1, 2, 0, 0) MIN_DATETIME = pdt.datetime(1970, 1, 2, 0, 0)
if IS_X86: if IS_32_BIT:
MAX_DATETIME = pdt.datetime(3001, 1, 19, 4, 59, 59) MAX_DATETIME = pdt.datetime(3001, 1, 19, 4, 59, 59)
else: else:
MAX_DATETIME = pdt.datetime(3001, 1, 19, 7, 59, 59) MAX_DATETIME = pdt.datetime(3001, 1, 19, 7, 59, 59)
else: else:
if IS_X86: if IS_32_BIT:
# TS ±2147483648 (2**31) # TS ±2147483648 (2**31)
MIN_DATETIME = pdt.datetime(1901, 12, 13, 20, 45, 52) MIN_DATETIME = pdt.datetime(1901, 12, 13, 20, 45, 52)
MAX_DATETIME = pdt.datetime(2038, 1, 19, 3, 14, 8) MAX_DATETIME = pdt.datetime(2038, 1, 19, 3, 14, 8)