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import datetime
from gnunet import *
encTable = "0123456789ABCDEFGHIJKLMNOPQRSTUV"
def data_to_string(data):
data = bytearray(data)
size = len(data)
bits = 0
rpos = 0
vbit = 0
ret = ""
while rpos < size:
while rpos < size and vbit < 5:
bits = (bits << 8) | data[rpos]
rpos += 1
vbit += 8
while vbit >= 5:
vbit -= 5
ret += encTable[(bits >> vbit) & 31]
if vbit > 0:
ret += encTable[(bits << (5 - vbit)) & 31]
return ret
def string_to_data(s):
s = str(s)
size = len(s)
bits = 0
rpos = 0
vbit = 0
ret = bytearray([])
try:
while rpos < size:
while rpos < size and vbit < 8:
bits = (bits << 5) | int(s[rpos], 32)
rpos += 1
vbit += 5
while vbit >= 8:
vbit -= 8
ret.append((bits >> vbit) & 255)
if vbit > 0:
if bits & ((1 << vbit) - 1) != 0:
raise ValueError("")
except ValueError:
raise ValueError("'" + s + "' is not a valid data-encoding string")
return ret
def absolute_time_to_string(t):
return t.strftime("%a %b %d %H:%M:%S %Y")
def string_to_absolute_time(s):
if s == "end of time":
return None
try:
return datetime.datetime.strptime(s, "%a %b %d %H:%M:%S %Y")
except ValueError:
pass
try:
return datetime.datetime.strptime(s, "%c")
except ValueError:
pass
try:
return datetime.datetime.strptime(s, "%Ec")
except ValueError:
pass
try:
return datetime.datetime.strptime(s, "%Y-%m-%d %H:%M:%S")
except ValueError:
pass
try:
return datetime.datetime.strptime(s, "%Y-%m-%d %H:%M")
except ValueError:
pass
try:
return datetime.datetime.strptime(s, "%x")
except ValueError:
pass
try:
return datetime.datetime.strptime(s, "%Ex")
except ValueError:
pass
try:
return datetime.datetime.strptime(s, "%Y-%m-%d")
except ValueError:
pass
try:
return datetime.datetime.strptime(s, "%Y-%m")
except ValueError:
pass
try:
return datetime.datetime.strptime(s, "%Y")
except ValueError:
pass
raise ValueError("%s is not a properly formatted time string" % s)
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