import time
from robot.errors import DataError
from normalizing import normalize
from robottypes import is_number
from misc import plural_or_not
def _get_time():
if _CURRENT_TIME:
return _CURRENT_TIME
current = time.time()
timetuple = time.localtime(current)[:6] # from year to secs
millis = int((current - int(current)) * 1000)
timetuple += (millis,)
return timetuple
_CURRENT_TIME = None # Seam for mocking time-dependent tests
START_TIME = _get_time()
def timestr_to_secs(timestr):
"""Parses time in format like '1h 10s' and returns time in seconds (float).
Given time must be in format '1d 2h 3m 4s 5ms' with following rules.
- Time parts having zero value can be ignored (e.g. '3m 4s' is ok)
- Format is case and space insensitive
- Instead of 'd' it is also possible to use 'day' or 'days'
- Instead of 'h' also 'hour' and 'hours' are ok
- Instead of 'm' also 'minute', 'minutes', 'min' and 'mins' are ok
- Instead of 's' also 'second', 'seconds', 'sec' and 'secs' are ok
- Instead of 'ms' also 'millisecond', 'milliseconds' and 'millis' are ok
- It is possible to give time only as a float and then it is considered
to be seconds (e.g. '123', '123.0', '123s', '2min 3s' are all equivelant)
"""
try:
secs = _timestr_to_secs(timestr)
except (ValueError, TypeError):
raise DataError("Invalid time string '%s'" % timestr)
return round(secs, 3)
def _timestr_to_secs(timestr):
timestr = _normalize_timestr(timestr)
if timestr == '':
raise ValueError
try:
return float(timestr)
except ValueError:
pass
millis = secs = mins = hours = days = 0
if timestr[0] == '-':
sign = -1
timestr = timestr[1:]
else:
sign = 1
temp = []
for c in timestr:
if c == 'x': millis = ''.join(temp); temp = []
elif c == 's': secs = ''.join(temp); temp = []
elif c == 'm': mins = ''.join(temp); temp = []
elif c == 'h': hours = ''.join(temp); temp = []
elif c == 'p': days = ''.join(temp); temp = []
else: temp.append(c)
if temp:
raise ValueError
return sign * (float(millis)/1000 + float(secs) + float(mins)*60
+ float(hours)*60*60 + float(days)*60*60*24)
def _normalize_timestr(timestr):
if is_number(timestr):
return timestr
timestr = normalize(timestr)
for item in 'milliseconds', 'millisecond', 'millis':
timestr = timestr.replace(item, 'ms')
for item in 'seconds', 'second', 'secs', 'sec':
timestr = timestr.replace(item, 's')
for item in 'minutes', 'minute', 'mins', 'min':
timestr = timestr.replace(item, 'm')
for item in 'hours', 'hour':
timestr = timestr.replace(item, 'h')
for item in 'days', 'day':
timestr = timestr.replace(item, 'd')
# 1) 'ms' -> 'x' to ease processing later
# 2) 'd' -> 'p' because float('1d') returns 1.0 in Jython (bug submitted)
return timestr.replace('ms','x').replace('d','p')
def secs_to_timestr(secs, compact=False):
"""Converts time in seconds to a string representation.
Returned string is in format like
'1 day 2 hours 3 minutes 4 seconds 5 milliseconds' with following rules.
- Time parts having zero value are not included (e.g. '3 minutes 4 seconds'
instead of '0 days 0 hours 3 minutes 4 seconds')
- Hour part has a maximun of 23 and minutes and seconds both have 59
(e.g. '1 minute 40 seconds' instead of '100 seconds')
If compact has value 'True', short suffixes are used.
(e.g. 1d 2h 3min 4s 5ms)
"""
return _SecsToTimestrHelper(secs, compact).get_value()
class _SecsToTimestrHelper:
def __init__(self, float_secs, compact):
self._compact = compact
self._ret = []
self._sign, millis, secs, mins, hours, days \
= self._secs_to_components(float_secs)
self._add_item(days, 'd', 'day')
self._add_item(hours, 'h', 'hour')
self._add_item(mins, 'min', 'minute')
self._add_item(secs, 's', 'second')
self._add_item(millis, 'ms', 'millisecond')
def get_value(self):
if len(self._ret) > 0:
return self._sign + ' '.join(self._ret)
return self._compact and '0s' or '0 seconds'
def _add_item(self, value, compact_suffix, long_suffix):
if value == 0:
return
if self._compact:
suffix = compact_suffix
else:
suffix = ' %s%s' % (long_suffix, plural_or_not(value))
self._ret.append('%d%s' % (value, suffix))
def _secs_to_components(self, float_secs):
if float_secs < 0:
sign = '- '
float_secs = abs(float_secs)
else:
sign = ''
int_secs = int(float_secs)
millis = (float_secs - int_secs) * 1000
millis = int(round(millis))
secs = int_secs % 60
mins = int(int_secs / 60) % 60
hours = int(int_secs / (60*60)) % 24
days = int(int_secs / (60*60*24))
return sign, millis, secs, mins, hours, days
def format_time(timetuple, daysep='', daytimesep=' ', timesep=':',
millissep=None, gmtsep=None):
"""Returns a timestamp formatted from timetuple using separators.
timetuple is (year, month, day, hour, min, sec[, millis]), where parts must
be integers and millis is required only when millissep is not None.
"""
daytimeparts = [ '%02d' % t for t in timetuple[:6] ]
day = daysep.join(daytimeparts[:3])
time_ = timesep.join(daytimeparts[3:6])
millis = millissep and '%s%03d' % (millissep, timetuple[6]) or ''
return day + daytimesep + time_ + millis + _diff_to_gmt(gmtsep)
def _diff_to_gmt(sep):
if not sep:
return ''
if time.altzone == 0:
sign = ''
elif time.altzone > 0:
sign = '-'
else:
sign = '+'
minutes = abs(time.altzone) / 60.0
hours, minutes = divmod(minutes, 60)
return '%sGMT%s%s%02d:%02d' % (sep, sep, sign, hours, minutes)
def get_time(format='timestamp', time_=None):
"""Return the given or current time in requested format.
If time is not given, current time is used. How time is returned is
is deternined based on the given 'format' string as follows. Note that all
checks are case insensitive.
- If 'format' contains word 'epoch' the time is returned in seconds after
the unix epoch.
- If 'format' contains any of the words 'year', 'month', 'day', 'hour',
'min' or 'sec' only selected parts are returned. The order of the returned
parts is always the one in previous sentence and order of words in
'format' is not significant. Parts are returned as zero padded strings
(e.g. May -> '05').
- Otherwise (and by default) the time is returned as a timestamp string in
format '2006-02-24 15:08:31'
"""
if time_ is None:
time_ = time.time()
format = format.lower()
# 1) Return time in seconds since epoc
if 'epoch' in format:
return long(time_)
timetuple = time.localtime(time_)
parts = []
for i, match in enumerate(['year','month','day','hour','min','sec']):
if match in format:
parts.append('%.2d' % timetuple[i])
# 2) Return time as timestamp
if not parts:
return format_time(timetuple, daysep='-')
# Return requested parts of the time
elif len(parts) == 1:
return parts[0]
else:
return parts
def parse_time(timestr):
"""Parses the time string and returns its value as seconds since epoch.
Time can be given in four different formats:
1) Numbers are interpreted as time since epoch directly. It is possible to
use also ints and floats, not only strings containing numbers.
2) Valid timestamp ('YYYY-MM-DD hh:mm:ss' and 'YYYYMMDD hhmmss').
3) 'NOW' (case-insensitive) is the current time rounded down to the
closest second.
4) Format 'NOW - 1 day' or 'NOW + 1 hour 30 min' is the current time
plus/minus the time specified with the time string.
"""
try:
ret = long(timestr)
if ret < 0:
raise DataError("Epoch time must be positive (got %s)" % timestr)
return ret
except ValueError:
pass
try:
return timestamp_to_secs(timestr, (' ', ':', '-', '.'))
except DataError:
pass
normtime = timestr.lower().replace(' ', '')
now = int(time.time())
if normtime == 'now':
return now
if normtime.startswith('now'):
if normtime[3] == '+':
return now + timestr_to_secs(normtime[4:])
if normtime[3] == '-':
return now - timestr_to_secs(normtime[4:])
raise DataError("Invalid time format '%s'" % timestr)
def get_timestamp(daysep='', daytimesep=' ', timesep=':', millissep='.'):
timetuple = _get_time()
return format_time(timetuple, daysep, daytimesep, timesep, millissep)
def timestamp_to_secs(timestamp, seps=('', ' ', ':', '.'), millis=False):
try:
secs = _timestamp_to_millis(timestamp, seps)/1000.0
except:
raise DataError("Invalid timestamp '%s'" % timestamp)
if millis:
return round(secs, 3)
return long(round(secs))
def secs_to_timestamp(secs, seps=None, millis=False):
if seps is None:
seps = ('', ' ', ':', millis and '.' or None)
ttuple = time.localtime(secs)[:6]
if millis:
millis = (secs - int(secs)) * 1000
ttuple = ttuple + (int(millis),)
return format_time(ttuple, *seps)
def get_start_timestamp(daysep='', daytimesep=' ', timesep=':', millissep=None):
return format_time(START_TIME, daysep, daytimesep, timesep, millissep)
def get_elapsed_time(start_time, end_time=None, seps=('', ' ', ':', '.')):
"""Returns the time between given timestamps in milliseconds.
If 'end_time' is not given current timestamp is got with
get_timestamp using given 'seps'.
'seps' is a tuple containing 'daysep', 'daytimesep', 'timesep' and
'millissep' used in given timestamps.
"""
if start_time == 'N/A' or end_time == 'N/A':
return 0
if not end_time:
end_time = get_timestamp(*seps)
start_millis = _timestamp_to_millis(start_time, seps)
end_millis = _timestamp_to_millis(end_time, seps)
return end_millis - start_millis
def elapsed_time_to_string(elapsed_millis):
"""Converts elapsed time in millisecods to format 'hh:mm:ss.mil'"""
elapsed_millis = round(elapsed_millis, 0)
if elapsed_millis < 0:
pre = '-'
elapsed_millis = abs(elapsed_millis)
else:
pre = ''
millis = elapsed_millis % 1000
secs = int(elapsed_millis / 1000) % 60
mins = int(elapsed_millis / 60000) % 60
hours = int(elapsed_millis / 3600000)
return '%s%02d:%02d:%02d.%03d' % (pre, hours, mins, secs, millis)
def _timestamp_to_millis(timestamp, seps):
years, mons, days, hours, mins, secs, millis = _split_timestamp(timestamp, seps)
timetuple = (years, mons, days, hours, mins, secs, 0, 0, time.daylight)
secs = time.mktime(timetuple)
return long(1000 * secs) + millis
def _split_timestamp(timestamp, seps):
for sep in seps:
if sep is not None and sep != '':
timestamp = timestamp.replace(sep, '')
timestamp = timestamp.ljust(17).replace(' ', '0')
years = int(timestamp[:4])
mons = int(timestamp[4:6])
days = int(timestamp[6:8])
hours = int(timestamp[8:10])
mins = int(timestamp[10:12])
secs = int(timestamp[12:14])
millis = int(timestamp[14:17])
return years, mons, days, hours, mins, secs, millis
文件路径：robotframework-2.1.2\src\robot\utils\robottime.py
功能：时间处理的汇集，今后可以重用在其他项目
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