/usr/lib/python3/dist-packages/babel/__pycache__
Edit: /usr/lib/python3/dist-packages/babel/__pycache__/numbers.cpython-310.pyc (30964B)
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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) 2013-2019 by the Babel Team.
:license: BSD, see LICENSE for more details.
N)datedatetime)default_localeLocale
get_global)decimal string_types
LC_NUMERICc @ s e Zd ZdZdd ZdS )UnknownCurrencyErrorzRException thrown when a currency is requested for which no data is available.
c C s t | d| || _dS )zkCreate the exception.
:param identifier: the identifier string of the unsupported currency
zUnknown currency %r.N) Exception__init__
identifier)selfr
r //usr/lib/python3/dist-packages/babel/numbers.pyr + s
z UnknownCurrencyError.__init__N)__name__
__module__ __qualname____doc__r r r r r r
' s r
c C s, | rt | j }t|S td}t|S )aM Return a `set` of normalized currency codes.
.. versionadded:: 2.5.0
:param locale: filters returned currency codes by the provided locale.
Expected to be a locale instance or code. If no locale is
provided, returns the list of all currencies from all
locales.
all_currencies)r parse
currencieskeysr set)localer r r r list_currencies5 s
r c C s | t |vr
t| dS )a Check the currency code is recognized by Babel.
Accepts a ``locale`` parameter for fined-grained validation, working as
the one defined above in ``list_currencies()`` method.
Raises a `UnknownCurrencyError` exception if the currency is unknown to Babel.
N)r r
currencyr r r r validate_currencyG s r c C s8 | rt | ts dS zt| | W dS ty Y dS w )zy Returns `True` only if a currency is recognized by Babel.
This method always return a Boolean and never raise.
FT)
isinstancer r r
r r r r is_currencyS s r c C s$ t | tr | } t| |sdS | S )zReturns the normalized sting of any currency code.
Accepts a ``locale`` parameter for fined-grained validation, working as
the one defined above in ``list_currencies()`` method.
Returns None if the currency is unknown to Babel.
N)r r upperr r r r r normalize_currencya s
r" c C sH t |}|dur ||}|jd }| |v r || | S |j| | S )a 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.
Ncurrency_names_plural)r r plural_form_datar get)r countr locr$ plural_namesr r r get_currency_namep s
r* c C s t |j| | S )zReturn the symbol used by the locale for the specified currency.
>>> get_currency_symbol('USD', locale='en_US')
u'$'
:param currency: the currency code.
:param locale: the `Locale` object or locale identifier.
)r r currency_symbolsr& r r r r get_currency_symbol s r, c C s t d}|| |d d S )zReturn currency's precision.
Precision is the number of decimals found after the decimal point in the
currency's format pattern.
.. versionadded:: 2.5.0
:param currency: the currency code.
currency_fractionsDEFAULTr )r r& )r
precisionsr r r get_currency_precision s
r0 c C sN t |}|dur ||}z|jd | W S ty Y nw |jd d S )aV
Return the unit pattern used for long display of a currency value
for a given locale.
This is a string containing ``{0}`` where the numeric part
should be substituted and ``{1}`` where the currency long display
name should be substituted.
>>> get_currency_unit_pattern('USD', locale='en_US', count=10)
u'{0} {1}'
.. versionadded:: 2.7.0
:param currency: the currency code.
:param count: the optional count. If provided the unit
pattern for that number will be returned.
:param locale: the `Locale` object or locale identifier.
Ncurrency_unit_patternsother)r r r$ r% LookupError)r r' r r( r$ r r r get_currency_unit_pattern s
r4 TFc s t d}du r
t n ttr du r n t tr& || d} fdd}g } |D ]1\}
} } }
| rEt| } | rKt| } |
rO|sS|
sj|rj|| | rj|re| |
| | |
d q9| |
q9| S )as Returns the list of currencies for the given territory that are valid for
the given date range. In addition to that the currency database
distinguishes between tender and non-tender currencies. By default only
tender currencies are returned.
The return value is a list of all currencies roughly ordered by the time
of when the currency became active. The longer the currency is being in
use the more to the left of the list it will be.
The start date defaults to today. If no end date is given it will be the
same as the start date. Otherwise a range can be defined. For instance
this can be used to find the currencies in use in Austria between 1995 and
2011:
>>> from datetime import date
>>> get_territory_currencies('AT', date(1995, 1, 1), date(2011, 1, 1))
['ATS', 'EUR']
Likewise it's also possible to find all the currencies in use on a
single date:
>>> get_territory_currencies('AT', date(1995, 1, 1))
['ATS']
>>> get_territory_currencies('AT', date(2011, 1, 1))
['EUR']
By default the return value only includes tender currencies. This
however can be changed:
>>> get_territory_currencies('US')
['USD']
>>> get_territory_currencies('US', tender=False, non_tender=True,
... start_date=date(2014, 1, 1))
['USN', 'USS']
.. versionadded:: 2.0
:param territory: the name of the territory to find the currency for.
:param start_date: the start date. If not given today is assumed.
:param end_date: the end date. If not given the start date is assumed.
:param tender: controls whether tender currencies should be included.
:param non_tender: controls whether non-tender currencies should be
included.
:param include_details: if set to `True`, instead of returning currency
codes the return value will be dictionaries
with detail information. In that case each
dictionary will have the keys ``'currency'``,
``'from'``, ``'to'``, and ``'tender'``.
territory_currenciesNr c s | d u s| ko|d u p|kS Nr )startendend_date
start_dater r
_is_active s z,get_territory_currencies.._is_active)r fromtotender) r date_todayr datetime_r r& r! append) territoryr; r: r?
non_tenderinclude_detailsr cursr< result
currency_coder7 r8 is_tenderr r9 r get_territory_currencies sD 4
rK c C t | jddS )zReturn the symbol used by the locale to separate decimal fractions.
>>> get_decimal_symbol('en_US')
u'.'
:param locale: the `Locale` object or locale identifier
r .r r number_symbolsr& r r r r get_decimal_symbol rQ c C rL )zReturn the plus sign symbol used by the current locale.
>>> get_plus_sign_symbol('en_US')
u'+'
:param locale: the `Locale` object or locale identifier
plusSign+rN rP r r r get_plus_sign_symbol# rR rU c C rL )zReturn the plus sign symbol used by the current locale.
>>> get_minus_sign_symbol('en_US')
u'-'
:param locale: the `Locale` object or locale identifier
minusSign-rN rP r r r get_minus_sign_symbol. rR rX c C rL )zReturn 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
exponentialErN rP r r r get_exponential_symbol9 rR r[ c C rL )zReturn 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
group,rN rP r r r get_group_symbolD rR r^ c C s t dt t| |dS )af 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'
.. deprecated:: 2.6.0
Use babel.numbers.format_decimal() instead.
:param number: the number to format
:param locale: the `Locale` object or locale identifier
z+Use babel.numbers.format_decimal() instead.rP )warningswarnDeprecationWarningformat_decimal)numberr r r r
format_numberO s rd c C s4 t | tjsJ | }|jdkrdS t|jS )zReturn maximum precision of a decimal instance's fractional part.
Precision is extracted from the fractional part only.
r )r r Decimal normalizeas_tupleexponentabs)rc
decimal_tupler r r get_decimal_precisiond s
rk c C s& t | tttjfs J td| S )z>> 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'
By default the locale is allowed to truncate and round a high-precision
number by forcing its format pattern onto the decimal part. You can bypass
this behavior with the `decimal_quantization` parameter:
>>> format_decimal(1.2346, locale='en_US')
u'1.235'
>>> format_decimal(1.2346, locale='en_US', decimal_quantization=False)
u'1.2346'
:param number: the number to format
:param format:
:param locale: the `Locale` object or locale identifier
:param decimal_quantization: Truncate and round high-precision numbers to
the format pattern. Defaults to `True`.
decimal_quantization)r r decimal_formatsr&
parse_patternapplyrc formatr rs patternr r r rb w s
$ rb c @ s e Zd ZdZdS )UnknownCurrencyFormatErrorz>Exception raised when an unknown currency format is requested.N)r r r r r r r r rz s rz standardc C sr |dkrt | |||||dS t|}|rt|}nz|j| }W n
ty. td| w |j| ||||dS )u Return formatted currency value.
>>> format_currency(1099.98, 'USD', locale='en_US')
u'$1,099.98'
>>> format_currency(1099.98, 'USD', locale='es_CO')
u'US$\xa01.099,98'
>>> format_currency(1099.98, 'EUR', locale='de_DE')
u'1.099,98\xa0\u20ac'
The format 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'
Currencies usually have a specific number of decimal digits. This function
favours that information over the given format:
>>> format_currency(1099.98, 'JPY', locale='en_US')
u'\xa51,100'
>>> format_currency(1099.98, 'COP', u'#,##0.00', locale='es_ES')
u'1.099,98'
However, the number of decimal digits can be overriden from the currency
information, by setting the last parameter to ``False``:
>>> format_currency(1099.98, 'JPY', locale='en_US', currency_digits=False)
u'\xa51,099.98'
>>> format_currency(1099.98, 'COP', u'#,##0.00', locale='es_ES', currency_digits=False)
u'1.099,98'
If a format is not specified the type of currency format to use
from the locale can be specified:
>>> format_currency(1099.98, 'EUR', locale='en_US', format_type='standard')
u'\u20ac1,099.98'
When the given currency format type is not available, an exception is
raised:
>>> format_currency('1099.98', 'EUR', locale='root', format_type='unknown')
Traceback (most recent call last):
...
UnknownCurrencyFormatError: "'unknown' is not a known currency format type"
You can also pass format_type='name' to use long display names. The order of
the number and currency name, along with the correct localized plural form
of the currency name, is chosen according to locale:
>>> format_currency(1, 'USD', locale='en_US', format_type='name')
u'1.00 US dollar'
>>> format_currency(1099.98, 'USD', locale='en_US', format_type='name')
u'1,099.98 US dollars'
>>> format_currency(1099.98, 'USD', locale='ee', format_type='name')
u'us ga dollar 1,099.98'
By default the locale is allowed to truncate and round a high-precision
number by forcing its format pattern onto the decimal part. You can bypass
this behavior with the `decimal_quantization` parameter:
>>> format_currency(1099.9876, 'USD', locale='en_US')
u'$1,099.99'
>>> format_currency(1099.9876, 'USD', locale='en_US', decimal_quantization=False)
u'$1,099.9876'
:param number: the number to format
:param currency: the currency code
:param format: the format string to use
:param locale: the `Locale` object or locale identifier
:param currency_digits: use the currency's natural number of decimal digits
:param format_type: the currency format type to use
:param decimal_quantization: Truncate and round high-precision numbers to
the format pattern. Defaults to `True`.
name)rx r currency_digitsrs z&%r is not a known currency format typer r} rs )_format_currency_long_namer r ru currency_formatsKeyErrorrz rv )rc r rx r r} format_typers ry r r r format_currency s& R
r c C sv t |}t| trt| }n| }t|||d}t|||d} |s'|j|}t |}
|
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| ||||d} | | | S )N)r' r r~ ) r r r r floatr4 r* rt r& ru rv rx ) rc r rx r r} r rs number_n unit_pattern display_namery number_partr r r r s
r c C rq )u 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‰', locale='en_US')
u'25,123‰'
By default the locale is allowed to truncate and round a high-precision
number by forcing its format pattern onto the decimal part. You can bypass
this behavior with the `decimal_quantization` parameter:
>>> format_percent(23.9876, locale='en_US')
u'2,399%'
>>> format_percent(23.9876, locale='en_US', decimal_quantization=False)
u'2,398.76%'
:param number: the percent number to format
:param format:
:param locale: the `Locale` object or locale identifier
:param decimal_quantization: Truncate and round high-precision numbers to
the format pattern. Defaults to `True`.
rr )r r percent_formatsr& ru rv rw r r r format_percent0 s
r c C rq )a 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'##0.##E00', locale='en_US')
u'1.23E06'
By default the locale is allowed to truncate and round a high-precision
number by forcing its format pattern onto the decimal part. You can bypass
this behavior with the `decimal_quantization` parameter:
>>> format_scientific(1234.9876, u'#.##E0', locale='en_US')
u'1.23E3'
>>> format_scientific(1234.9876, u'#.##E0', locale='en_US', decimal_quantization=False)
u'1.2349876E3'
:param number: the number to format
:param format:
:param locale: the `Locale` object or locale identifier
:param decimal_quantization: Truncate and round high-precision numbers to
the format pattern. Defaults to `True`.
rr )r r scientific_formatsr& ru rv rw r r r format_scientificW s
r c s" e Zd ZdZd fdd Z ZS )NumberFormatErrorz>Exception raised when a string cannot be parsed into a number.Nc s t t| | || _d S r6 )superr r suggestions)r messager __class__r r r } s
zNumberFormatError.__init__r6 )r r r r r
__classcell__r r r r r z s r c C s2 z t | t|dW S ty td| w )aS 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
z%r is not a valid number)rm replacer^
ValueErrorr )stringr r r r parse_number s
r c C sB t |}t|}t|}|s!|dkr!|| vr!d| v r!| d|} zt| |d|d}W n tjy> td| w |r|| v rt ||dd}| |kr|
d|| krzt| |d|d}W n tjy{ td | |f |gd
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|S ) ak 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')
>>> parse_decimal('12 345,123', locale='ru')
Decimal('12345.123')
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
If `strict` is set to `True` and the given string contains a number
formatted in an irregular way, an exception is raised:
>>> parse_decimal('30.00', locale='de', strict=True)
Traceback (most recent call last):
...
NumberFormatError: '30.00' is not a properly formatted decimal number. Did you mean '3.000'? Or maybe '30,00'?
>>> parse_decimal('0.00', locale='de', strict=True)
Traceback (most recent call last):
...
NumberFormatError: '0.00' is not a properly formatted decimal number. Did you mean '0'?
:param string: the string to parse
:param locale: the `Locale` object or locale identifier
:param strict: controls whether numbers formatted in a weird way are
accepted or rejected
:raise NumberFormatError: if the string can not be converted to a
decimal number
r rM z %r is not a valid decimal numberF)r rs 0z?%r is not a properly formatted decimal number. Did you mean %r?)r zL%r is not a properly formatted decimal number. Did you mean %r? Or maybe %r?) r r r^ rQ r r re InvalidOperationr rb rstrip) r r strict group_symboldecimal_symbolparsedproper
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[^0-9@#.,]z [0-9@#.,E+]z(?P(?:'[^']*'|%s)*)z(?P%s*)z(?P.*)z%s%s%sc C sj t | }| d}|dkrdS || d }| d| d d}|dkr)||fS || | d }||fS )zParse primary and secondary digit grouping
>>> parse_grouping('##')
(1000, 1000)
>>> parse_grouping('#,###')
(3, 3)
>>> parse_grouping('#,####,###')
(3, 4)
r] ) r N )lenrfind)pwidthg1g2r r r parse_grouping s
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}nd}d}t| }t| ||f|| f|||||S )z Parse number format patternsc S s& t | }|d u rtd| | S )NzInvalid number pattern %r) number_researchr groups)ry rvr r r
_match_number s
z$parse_pattern.._match_number;r rW rZ N@rM r z5Significant digit patterns can not contain "@" or "0"r c S sX d }}| D ]!}|dv r|d7 }|d7 }q|dkr |d7 }q|dkr#q ||fS ||fS )z(Calculate the min and max allowed digitsr z@0r #r] r )r minmaxcr r r parse_precision2 s
z&parse_pattern..parse_precisionrT )r
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startswithlstripr )ry r pos_pattern neg_pattern
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neg_suffixexpintegerfractionr int_prec frac_precexp_plusexp_precgroupingr r r ru sH
ru c @ s` e Zd Zdd Zdd Zdd Zdd Z
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dddZ d S )r c C s> || _ || _|| _|| _|| _|| _|| _|| _| | _ d S r6 )
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compute_scalescale) r ry r r r r r r r r r r r S s zNumberPattern.__init__c C s dt | j| jf S )Nz<%s %r>)typer ry )r r r r __repr__` s zNumberPattern.__repr__c C s@ d}dd | j| j v rd}|S dd | j| j v r d}|S )u Return the scaling factor to apply to the number before rendering.
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detected in the prefix or suffix of the pattern. Default is to not mess
with the scale at all and keep it to 0.
r %r r u ‰ )joinr r )r r r r r r c s zNumberPattern.compute_scalec C s | }|t| }| dksJ tdt| jgd }|| }|t| }d}|dk r3t|}n| jr:t|}t|}|||fS )zG Returns normalized scientific notation components of a value.
r r r ) adjustedrp r r r rX r rU ri )r valuer r
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z*NumberPattern.scientific_notation_elementsNTc C s t |tjs
tt|}|| j}t| }t| }| j
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t!||}|S )
a Renders into a string a number following the defined pattern.
Forced decimal quantization is active by default so we'll produce a
number string that is strictly following CLDR pattern definitions.
:param value: The value to format. If this is not a Decimal object,
it will be cast to one.
:type value: decimal.Decimal|float|int
:param locale: The locale to use for formatting.
:type locale: str|babel.core.Locale
:param currency: Which currency, if any, to format as.
:type currency: str|None
:param currency_digits: Whether or not to use the currency's precision.
If false, the pattern's precision is used.
:type currency_digits: bool
:param decimal_quantization: Whether decimal numbers should be forcibly
quantized to produce a formatted output
strictly matching the CLDR definition for
the locale.
:type decimal_quantization: bool
:param force_frac: DEPRECATED - a forced override for `self.frac_prec`
for a single formatting invocation.
:return: Formatted decimal string.
:rtype: str
z@The force_frac parameter to NumberPattern.apply() is deprecated.r )r r r r r r rM r ¤u ¤¤¤u ¤¤)"r r re strscalebr rm is_signedri rf r r r_ r` ra r0 r r rk r _quantize_valuer[ _format_intry _format_significantr partitionrQ r r r r* r! r, )r r r r r} rs
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z!NumberPattern._format_significantc C s t |}||k rd|| | }| jd }d}t|}t ||kr>||| d | }|d | }| jd }t ||ks!|| S )Nr r r r )r r r^ ) r r r r r r gsizeretsymbolr r r r s
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C s^ t |d }||}d|d\}}}| || jd | jd || |p(d|| } | S )Nr z{:f}rM r r )rp r rx r r r _format_frac)
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z NumberPattern._quantize_valuec C s |p| j \}}t||k r|d|t| 7 }|dks%|dkr't|dkr'dS t||krE|d dkrE|d d }t||krE|d dks3t|| S )Nr r r r )r r rm rQ )r r r r r r r r r r 0 s zNumberPattern._format_frac)NTTNr6 ) r r r r r r r rv r r r r r r r r r Q s
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