def uncompact_int(str_val):
""" Makes an int from a compact string
Args:
str_val (str): The string representing a compact integer value
Returns:
int. The integer value
"""
# int(x, base) not used because it's limited to base 36
unit = 1
result = 0
for char in reversed(str_val):
result += chars.index(char) * unit
unit *= base
log.info('uncompact(%s) = %s', str_val, result)
return result
def compact_int(ival):
""" Makes an int compact
Args:
ival (int): the integer value you want to shorten
Returns:
str. A string equivalent to the integer but with a more compact representation
"""
result = []
rest = ival
b = base
while True:
int_part, rest = divmod(rest, b)
result.append(chars[rest])
if not int_part:
break
rest = int_part
result = "".join(reversed(result))
log.info('compact(%s) = %s', ival, result)
return result
try:
from json import dumps as jdump, loads as jload
json_engine = "python's built-in"
except ImportError:
try:
from cjson import encode as jdump, decode as jload
json_engine = 'cjson'
except ImportError:
try:
from simplejson import dumps as jdump, loads as jload
json_engine = 'simplejson'
except ImportError:
from demjson import encode as jdump, decode as jload
json_engine = 'demjson'
log.info("using %s engine."%json_engine)
################################################################################
def dump_data_as_text(d, format):
""" Dumps simple types (dict, iterable, float, int, unicode)
as: json or plain text (compromise between human readable and parsable form)
Returns an iterator returning text
"""
if format == "json":
if isinstance(d, GeneratorType):
d = list(d)
yield jdump(d)
elif format == "html":
yield "<html><body>"
if isinstance(d, dict):
for k, v in d.iteritems():
