File size: 1,859 Bytes
8d55ddb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | import re
def _flatten(x):
result = []
for el in x:
if hasattr(el, "__iter__") and not isinstance(el, basestring):
result.extend(_flatten(el))
else:
result.append(el)
return result
class Utils:
@staticmethod
def _deleteEmpty(str):
return str != ""
@staticmethod
def _getInt(val):
if val.replace('.','',1).isdigit():
val = str(int(float(val)))
return val
# from http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python
_flatten = staticmethod(_flatten)
@staticmethod
def _isInfinity(value):
return value == "Infinity" or value == "-Infinity"
@staticmethod
def _isFromZeroToN(values):
i = 0
for idx in values:
if idx != i:
return False
i += 1
return True
@staticmethod
def _hasEqualIndices(minVal, maxVal):
minValIndices = sorted(minVal.keys())
maxValIndices = sorted(maxVal.keys())
return minValIndices == maxValIndices
@staticmethod
def _hasAllIndices(minVal, maxVal):
minValIndices = sorted(minVal.keys())
maxValIndices = sorted(maxVal.keys())
if minValIndices != maxValIndices:
return False
if not Utils._isFromZeroToN(minValIndices):
return False
if not Utils._isFromZeroToN(maxValIndices):
return False
return True
@staticmethod
def _stripDomains(domains):
return map(lambda el: el.strip(), domains)
@staticmethod
def _splitDomain(domain, SEP):
return Utils._stripDomains(domain.split(SEP))
@staticmethod
def _getWords(expression):
if isinstance(expression, str):
return re.sub("[^\w]", " ", expression).split()
return []
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