77 lines
1.7 KiB
Python
77 lines
1.7 KiB
Python
from utime import *
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from ucollections import namedtuple
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import ustruct
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import uctypes
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import ffi
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import ffilib
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import array
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libc = ffilib.libc()
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# struct tm *gmtime(const time_t *timep);
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# struct tm *localtime(const time_t *timep);
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# size_t strftime(char *s, size_t max, const char *format,
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# const struct tm *tm);
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gmtime_ = libc.func("P", "gmtime", "P")
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localtime_ = libc.func("P", "localtime", "P")
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strftime_ = libc.func("i", "strftime", "sisP")
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mktime_ = libc.func("i", "mktime", "P")
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_struct_time = namedtuple("struct_time",
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["tm_year", "tm_mon", "tm_mday", "tm_hour", "tm_min", "tm_sec", "tm_wday", "tm_yday", "tm_isdst"])
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def _tuple_to_c_tm(t):
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return ustruct.pack("@iiiiiiiii", t[5], t[4], t[3], t[2], t[1] - 1, t[0] - 1900, (t[6] + 1) % 7, t[7] - 1, t[8])
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def _c_tm_to_tuple(tm):
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t = ustruct.unpack("@iiiiiiiii", tm)
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return _struct_time(t[5] + 1900, t[4] + 1, t[3], t[2], t[1], t[0], (t[6] - 1) % 7, t[7] + 1, t[8])
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def struct_time(tm):
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return _struct_time(*tm)
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def strftime(format, t=None):
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if t is None:
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t = localtime()
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buf = bytearray(32)
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l = strftime_(buf, 32, format, _tuple_to_c_tm(t))
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return str(buf[:l], "utf-8")
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def localtime(t=None):
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if t is None:
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t = time()
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t = int(t)
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a = ustruct.pack('l', t)
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tm_p = localtime_(a)
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return _c_tm_to_tuple(uctypes.bytearray_at(tm_p, 36))
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def gmtime(t=None):
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if t is None:
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t = time()
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t = int(t)
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a = ustruct.pack('l', t)
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tm_p = gmtime_(a)
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return _c_tm_to_tuple(uctypes.bytearray_at(tm_p, 36))
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def mktime(tt):
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return mktime_(_tuple_to_c_tm(tt))
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def perf_counter():
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return time()
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def process_time():
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return clock()
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daylight = 0
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timezone = 0
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