Current File : //proc/self/root/opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyo
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babel.numbers
~~~~~~~~~~~~~
Locale dependent formatting and parsing of numeric data.
The default locale for the functions in this module is determined by the
following environment variables, in that order:
* ``LC_NUMERIC``,
* ``LC_ALL``, and
* ``LANG``
:copyright: (c) 2013 by the Babel Team.
:license: BSD, see LICENSE for more details.
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LC_NUMERICc C se t j | � } | d k rR | j | � } | j d } | | k rR | | | Sn | j j | | � S( s� Return the name used by the locale for the specified currency.
>>> get_currency_name('USD', locale='en_US')
u'US Dollar'
.. versionadded:: 0.9.4
:param currency: the currency code
:param count: the optional count. If provided the currency name
will be pluralized to that number if possible.
:param locale: the `Locale` object or locale identifier
t currency_names_pluralN( R t parset Nonet plural_formt _datat
currenciest get( t currencyt countt localet locR t plural_names( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyt get_currency_name s
c C s t j | � j j | | � S( s� Return the symbol used by the locale for the specified currency.
>>> get_currency_symbol('USD', locale='en_US')
u'$'
:param currency: the currency code
:param locale: the `Locale` object or locale identifier
( R R t currency_symbolsR ( R
R ( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyt get_currency_symbol6 s c C s t j | � j j d d � S( s� Return the symbol used by the locale to separate decimal fractions.
>>> get_decimal_symbol('en_US')
u'.'
:param locale: the `Locale` object or locale identifier
t decimalu .( R R t number_symbolsR ( R ( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyt get_decimal_symbolB s c C s t j | � j j d d � S( s� Return the plus sign symbol used by the current locale.
>>> get_plus_sign_symbol('en_US')
u'+'
:param locale: the `Locale` object or locale identifier
t plusSignu +( R R R R ( R ( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyt get_plus_sign_symbolM s c C s t j | � j j d d � S( s� Return the plus sign symbol used by the current locale.
>>> get_minus_sign_symbol('en_US')
u'-'
:param locale: the `Locale` object or locale identifier
t minusSignu -( R R R R ( R ( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyt get_minus_sign_symbolX s c C s t j | � j j d d � S( s� Return the symbol used by the locale to separate mantissa and exponent.
>>> get_exponential_symbol('en_US')
u'E'
:param locale: the `Locale` object or locale identifier
t exponentialu E( R R R R ( R ( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyt get_exponential_symbolc s c C s t j | � j j d d � S( s� Return the symbol used by the locale to separate groups of thousands.
>>> get_group_symbol('en_US')
u','
:param locale: the `Locale` object or locale identifier
t groupu ,( R R R R ( R ( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyt get_group_symboln s c C s t | d | �S( u Return the given number formatted for a specific locale.
>>> format_number(1099, locale='en_US')
u'1,099'
>>> format_number(1099, locale='de_DE')
u'1.099'
:param number: the number to format
:param locale: the `Locale` object or locale identifier
R ( t format_decimal( t numberR ( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyt
format_numbery s
c C sF t j | � } | s* | j j | � } n t | � } | j | | � S( u� Return the given decimal number formatted for a specific locale.
>>> format_decimal(1.2345, locale='en_US')
u'1.234'
>>> format_decimal(1.2346, locale='en_US')
u'1.235'
>>> format_decimal(-1.2346, locale='en_US')
u'-1.235'
>>> format_decimal(1.2345, locale='sv_SE')
u'1,234'
>>> format_decimal(1.2345, locale='de')
u'1,234'
The appropriate thousands grouping and the decimal separator are used for
each locale:
>>> format_decimal(12345.5, locale='en_US')
u'12,345.5'
:param number: the number to format
:param format:
:param locale: the `Locale` object or locale identifier
( R R t decimal_formatsR t
parse_patternt apply( R! t formatR t pattern( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyR � s
c C sL t j | � } | s* | j j | � } n t | � } | j | | d | �S( u\ Return formatted currency value.
>>> format_currency(1099.98, 'USD', locale='en_US')
u'$1,099.98'
>>> format_currency(1099.98, 'USD', locale='es_CO')
u'1.099,98\xa0US$'
>>> format_currency(1099.98, 'EUR', locale='de_DE')
u'1.099,98\xa0\u20ac'
The pattern can also be specified explicitly. The currency is
placed with the '¤' sign. As the sign gets repeated the format
expands (¤ being the symbol, ¤¤ is the currency abbreviation and
¤¤¤ is the full name of the currency):
>>> format_currency(1099.98, 'EUR', u'¤¤ #,##0.00', locale='en_US')
u'EUR 1,099.98'
>>> format_currency(1099.98, 'EUR', u'#,##0.00 ¤¤¤', locale='en_US')
u'1,099.98 euros'
:param number: the number to format
:param currency: the currency code
:param locale: the `Locale` object or locale identifier
R
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R& R R' ( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyt format_currency� s
c C sF t j | � } | s* | j j | � } n t | � } | j | | � S( s Return formatted percent value for a specific locale.
>>> format_percent(0.34, locale='en_US')
u'34%'
>>> format_percent(25.1234, locale='en_US')
u'2,512%'
>>> format_percent(25.1234, locale='sv_SE')
u'2\xa0512\xa0%'
The format pattern can also be specified explicitly:
>>> format_percent(25.1234, u'#,##0\u2030', locale='en_US')
u'25,123\u2030'
:param number: the percent number to format
:param format:
:param locale: the `Locale` object or locale identifier
( R R t percent_formatsR R$ R% ( R! R& R R' ( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyt format_percent� s
c C sF t j | � } | s* | j j | � } n t | � } | j | | � S( s� Return value formatted in scientific notation for a specific locale.
>>> format_scientific(10000, locale='en_US')
u'1E4'
The format pattern can also be specified explicitly:
>>> format_scientific(1234567, u'##0E00', locale='en_US')
u'1.23E06'
:param number: the number to format
:param format:
:param locale: the `Locale` object or locale identifier
( R R t scientific_formatsR R$ R% ( R! R& R R' ( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyt format_scientific� s
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rC t d | � � n Xd S( sS Parse localized number string into an integer.
>>> parse_number('1,099', locale='en_US')
1099
>>> parse_number('1.099', locale='de_DE')
1099
When the given string cannot be parsed, an exception is raised:
>>> parse_number('1.099,98', locale='de')
Traceback (most recent call last):
...
NumberFormatError: '1.099,98' is not a valid number
:param string: the string to parse
:param locale: the `Locale` object or locale identifier
:return: the parsed number
:raise `NumberFormatError`: if the string can not be converted to a number
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c C si t j | � } y2 t | j t | � d � j t | � d � � SWn! t k
rd t d | � � n Xd S( s� Parse localized decimal string into a decimal.
>>> parse_decimal('1,099.98', locale='en_US')
Decimal('1099.98')
>>> parse_decimal('1.099,98', locale='de')
Decimal('1099.98')
When the given string cannot be parsed, an exception is raised:
>>> parse_decimal('2,109,998', locale='de')
Traceback (most recent call last):
...
NumberFormatError: '2,109,998' is not a valid decimal number
:param string: the string to parse
:param locale: the `Locale` object or locale identifier
:raise NumberFormatError: if the string can not be converted to a
decimal number
R2 t .s %r is not a valid decimal numberN( R R R R4 R R R R. ( R6 R ( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyt
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C s� t | t � r#| j � \ } } } g } g } t t t | � � } x> t | � D]/ } | ru | j | j � � qS | j d � qS Wx! t | � D] } | j d � q� Wx | r� | j | j � � q� Wt | � d k r� d } n | r� | j d � n d j
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isinstanceR t as_tuplet listt mapt strt ranget appendt popt lent joint reversedt rstript split(
t valuet signt digitst expt int_partt frac_partt it textt at b( ( s> /opt/alt/python27/lib/python2.7/site-packages/babel/numbers.pyt split_number; s2 (
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C sq t | d k � r d p d } t | � } t | � \ } } | | } d } t | � | } | d k s| t | � k r} n� | | d k r� d } n~ | | d k r� | | d d k r� d } nQ | | d k rx> t | d t | � � D] } | | d k r� d } Pq� q� Wn d | } t | t � rMt t | | | � � | | St t | | | � � | | Sd S( sC Round a number to a given precision.
Works like round() except that the round-half-even (banker's rounding)
algorithm is used instead of round-half-up.
>>> bankersround(5.5, 0)
6.0
>>> bankersround(6.5, 0)
6.0
>>> bankersround(-6.5, 0)
-6.0
>>> bankersround(1234.0, -2)
1200.0
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c C s� t | � } | j d � } | d k r+ d S| | d } | | d j d � } | d k rg | | f S| | | d } | | f S( s� Parse primary and secondary digit grouping
>>> parse_grouping('##')
(1000, 1000)
>>> parse_grouping('#,###')
(3, 3)
>>> parse_grouping('#,####,###')
(3, 4)
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