self.startTime.setText("开始时间:"+str(data[0][5]))
就是我想不显示“开始时间+str((str(data[0][5]))”,我把这个删掉后就会报最下面那个的错误，按照提示就是这下面的代码出错，我该怎么修改以下代码？（望得到代码）
def _strptime(data_string, format="%a %b %d %H:%M:%S %Y"):
"""Return a 2-tuple consisting of a time struct and an int containing
the number of microseconds based on the input string and the
format string."""
for index, arg in enumerate([data_string, format]):
if not isinstance(arg, str):
msg = "strptime() argument {} must be str, not {}"
raise TypeError(msg.format(index, type(arg)))
global _TimeRE_cache, _regex_cache
with _cache_lock:
locale_time = _TimeRE_cache.locale_time
if (_getlang() != locale_time.lang or
time.tzname != locale_time.tzname or
time.daylight != locale_time.daylight):
_TimeRE_cache = TimeRE()
_regex_cache.clear()
locale_time = _TimeRE_cache.locale_time
if len(_regex_cache) > _CACHE_MAX_SIZE:
_regex_cache.clear()
format_regex = _regex_cache.get(format)
if not format_regex:
try:
format_regex = _TimeRE_cache.compile(format)
# KeyError raised when a bad format is found; can be specified as
# \\, in which case it was a stray % but with a space after it
except KeyError as err:
bad_directive = err.args[0]
if bad_directive == "\\":
bad_directive = "%"
del err
raise ValueError("'%s' is a bad directive in format '%s'" %
(bad_directive, format)) from None
# IndexError only occurs when the format string is "%"
except IndexError:
raise ValueError("stray %% in format '%s'" % format) from None
_regex_cache[format] = format_regex
found = format_regex.match(data_string)
if not found:
raise ValueError("time data %r does not match format %r" %
(data_string, format))
if len(data_string) != found.end():
raise ValueError("unconverted data remains: %s" %
data_string[found.end():])
File "D:\新建文件夹\test1\app\widgets\widgets.py", line 76, in refresh_time
temp3 = datetime.datetime.strptime(temp2, "%Y-%m-%d %H:%M:%S")
File "C:\li\python\lib\_strptime.py", line 568, in _strptime_datetime
tt, fraction, gmtoff_fraction = _strptime(data_string, format)
File "C:\li\python\lib\_strptime.py", line 349, in _strptime
raise ValueError("time data %r does not match format %r" %
ValueError: time data '' does not match format '%Y-%m-%d %H:%M:%S'
time data '' does not match format '%Y-%m-%d %H:%M:%S'
data_string 是一个空字符串，导致转换异常了。
time data '' does not match format '%Y-%m-%d %H:%M:%S'
日期格式不匹配
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