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import re
import sys
import time
import cProfile
try:
from cStringIO import StringIO
except:
from StringIO import StringIO
from scss import config
def split_params(params):
params = params.split(',') or []
if params:
final_params = []
param = params.pop(0)
try:
while True:
while param.count('(') != param.count(')'):
try:
param = param + ',' + params.pop(0)
except IndexError:
break
final_params.append(param)
param = params.pop(0)
except IndexError:
pass
params = final_params
return params
def dequote(s):
if s and s[0] in ('"', "'") and s[-1] == s[0]:
s = s[1:-1]
s = unescape(s)
return s
def depar(s):
while s and s[0] == '(' and s[-1] == ')':
s = s[1:-1]
return s
def to_str(num):
if isinstance(num, dict):
s = sorted(num.items())
sp = num.get('_', '')
return (sp + ' ').join(to_str(v) for n, v in s if n != '_')
elif isinstance(num, float):
num = ('%0.05f' % round(num, 5)).rstrip('0').rstrip('.')
return num
elif isinstance(num, bool):
return 'true' if num else 'false'
elif num is None:
return ''
return str(num)
def to_float(num):
if isinstance(num, (float, int)):
return float(num)
num = to_str(num)
if num and num[-1] == '%':
return float(num[:-1]) / 100.0
else:
return float(num)
def escape(s):
return re.sub(r'''(["'])''', r'\\\1', s)
def unescape(s):
return re.sub(r'''\\(['"])''', r'\1', s)
def normalize_var(var):
"""Sass defines `foo_bar` and `foo-bar` as being identical, both in
variable names and functions/mixins. This normalizes everything to use
dashes.
"""
return var.replace('_', '-')
################################################################################
# Function timing decorator
profiling = {}
def print_timing(level=0):
def _print_timing(func):
if config.VERBOSITY:
def wrapper(*args, **kwargs):
if config.VERBOSITY >= level:
t1 = time.time()
res = func(*args, **kwargs)
t2 = time.time()
profiling.setdefault(func.func_name, 0)
profiling[func.func_name] += (t2 - t1)
return res
else:
return func(*args, **kwargs)
return wrapper
else:
return func
return _print_timing
################################################################################
# Profiler decorator
def profile(fn):
import pstats
def wrapper(*args, **kwargs):
profiler = cProfile.Profile()
stream = StringIO()
profiler.enable()
try:
res = fn(*args, **kwargs)
finally:
profiler.disable()
stats = pstats.Stats(profiler, stream=stream)
stats.sort_stats('time')
print >>stream, ""
print >>stream, "=" * 100
print >>stream, "Stats:"
stats.print_stats()
print >>stream, "=" * 100
print >>stream, "Callers:"
stats.print_callers()
print >>stream, "=" * 100
print >>stream, "Callees:"
stats.print_callees()
print >>sys.stderr, stream.getvalue()
stream.close()
return res
return wrapper
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