10 examples of 'convert string to float python' in Python

6
def convert_string_to_float_int(string):
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    if isinstance(string, six.string_types):
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        try:
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            # evaluate the string to float, int or bool
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            value = literal_eval(string)
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        except Exception:
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            value = string
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    else:
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        value = string
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    # check if the the value is float or int
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    if isinstance(value, float):
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        if value.is_integer():
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            return int(value)
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        return value
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    return value

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def textToFloat( value ):
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	if ',' in value and '.' in value:
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		commaIndex = value.rfind(',')
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		periodIndex = value.rfind('.')
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		if commaIndex > periodIndex:
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			newValue = value.replace( '.', '' ).replace( ',', '.' )
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		else:
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			newValue = value.replace( ',', '' )
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	elif ',' in value:
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		newValue = value.replace( ',', '.' )
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	else:
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		newValue = value
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	# Remove spaces
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	newValue = newValue.replace( ' ', '' )
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	# Remove possible coin symbol in the end
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	if not newValue[-1] in '0123456789':
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		newValue = newValue[:-1]
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	return float( newValue )

28
def get_float_from_string(s):
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    s = s.replace(',', '.')         # due to different locales
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    pattern = r'\d{1,10}\.\d{1,10}'
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    match = re.search(pattern, s)
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    if match:
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        match = match.group(0)
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        result = float(match)
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        return result
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    return 0.0

176
def convert_to_float(val):
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    # percentages: (number%) -> float(number * 0.01)
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    m = re.search(r'([-\.\d]+)\%',
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                  val if isinstance(val, basestring) else str(val), re.U)
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    try:
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        if m:
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            return float(m.group(1)) / 100 if m else val
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        if m:
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            return int(m.group(1)) + int(m.group(2)) / 60
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    except ValueError:
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        return val
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    # salaries: $ABC,DEF,GHI -> float(ABCDEFGHI)
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    m = re.search(r'\$[\d,]+',
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                  val if isinstance(val, basestring) else str(val), re.U)
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    try:
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        if m:
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            return float(re.sub(r'\$|,', '', val))
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    except Exception:
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        return val
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    # generally try to coerce to float, unless it's an int or bool
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    try:
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        if isinstance(val, (int, bool)):
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            return val
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        else:
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            return float(val)
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    except Exception:
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        return val

103
def convert_string_to_float(string):
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    str_split = string.split('/')
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    return int(str_split[0]) / int(str_split[1])    # unit: mm

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def try_float(str):
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    try:
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        ret_val = float(str)
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    except ValueError:
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        ret_val = -1.
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    return ret_val

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def convert_to_float(value, input_encoding):
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    value = unicode(value).lower().strip()
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    if not value or value in NULL:
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        return None
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    return locale.atof(value)

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def strToFloat(val):
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    try:
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        return float(val)
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    except ValueError:
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        return None

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def is_float(input_string):
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    """True if string can be cast as a float"""
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    try:
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        float(input_string)
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        return True
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    except ValueError:
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        return False

71
def convertToFloat(tokens): return float(tokens[0])