def bruteStr(valu):
'''
Brute force the version out of a string.
Args:
valu (str): String to attempt to get version information for.
Notes:
This first attempts to parse strings using the it:semver normalization
before attempting to extract version parts out of the string.
Returns:
int, dict: The system normalized version integer and a subs dictionary.
'''
try:
valu, subs = s_datamodel.tlib.getTypeNorm('it:semver', valu)
return valu, subs
except s_common.BadTypeValu:
# Try doing version part extraction by noming through the string
subs = s_version.parseVersionParts(valu)
if subs is None:
raise s_common.BadTypeValu(
valu=valu,
mesg='Unable to brute force version parts out of the string')
if subs:
valu = s_version.packVersion(subs.get('major'),
subs.get('minor', 0),
subs.get('patch', 0))
return valu, subs
def bruteVersion(valu):
'''
Attempt to brute force a valu into a semantic version string and its components
Args:
valu: A string or integer to attempt to obtain a system normalized version
valu and subs for.
Returns:
int, dict: The system normalized version integer and a subs dictionary.
'''
if isinstance(valu, int):
return s_datamodel.tlib.getTypeNorm('it:semver', valu)
if isinstance(valu, str):
return bruteStr(valu)
else:
raise s_common.BadTypeValu(valu=valu,
mesg='Unable to brute force a valu',
type=type(valu))
def parse(text, base=None, chop=False):
'''
Parse a time string into an epoch millis value.
'''
#TODO: use base to facilitate relative time offsets
text = text.strip().lower()
text = (''.join([c for c in text if c.isdigit()]))
if chop:
text = text[:17]
# TODO: support relative time offsets here...
tlen = len(text)
if tlen == 4:
dt = datetime.datetime.strptime(text, '%Y')
elif tlen == 6:
dt = datetime.datetime.strptime(text, '%Y%m')
elif tlen == 8:
dt = datetime.datetime.strptime(text, '%Y%m%d')
elif tlen == 10:
dt = datetime.datetime.strptime(text, '%Y%m%d%H')
elif tlen == 12:
dt = datetime.datetime.strptime(text, '%Y%m%d%H%M')
elif tlen == 14:
dt = datetime.datetime.strptime(text, '%Y%m%d%H%M%S')
elif tlen in (15, 16, 17):
dt = datetime.datetime.strptime(text, '%Y%m%d%H%M%S%f')
else:
raise s_common.BadTypeValu(mesg='Unknown time format')
epoch = datetime.datetime(1970, 1, 1)
return int((dt - epoch).total_seconds() * 1000)
def _raiseBadValu(self, valu, **info):
raise s_common.BadTypeValu(name=self.name, valu=valu, **info)
