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d d �f Zd/d d �Zd!d"� Zd#d$� Zd0d&d'�Zd1d+d,�ZdS )2z!Humanizing functions for numbers.� N)�Fraction� )�gettext)�ngettext)�
ngettext_noop)�pgettext)�thousands_separator�malec C s z t | �} W n ttfk
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}| d dkr�| � |d � �S | � || d � �S ) a] Converts an integer to its ordinal as a string.
For example, 1 is "1st", 2 is "2nd", 3 is "3rd", etc. Works for any integer or
anything `int()` will turn into an integer. Anything other value will have nothing
done to it.
Examples:
```pycon
>>> ordinal(1)
'1st'
>>> ordinal(1002)
'1002nd'
>>> ordinal(103)
'103rd'
>>> ordinal(4)
'4th'
>>> ordinal(12)
'12th'
>>> ordinal(101)
'101st'
>>> ordinal(111)
'111th'
>>> ordinal("something else")
'something else'
>>> ordinal(None) is None
True
```
Args:
value (int, str, float): Integer to convert.
gender (str): Gender for translations. Accepts either "male" or "female".
Returns:
str: Ordinal string.
r z0 (male)Zthz1 (male)�stz2 (male)Zndz3 (male)Zrdz4 (male)z5 (male)z6 (male)z7 (male)z8 (male)z9 (male)z
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|�S dS )ab Converts an integer to a string containing commas every three digits.
For example, 3000 becomes "3,000" and 45000 becomes "45,000". To maintain some
compatibility with Django's `intcomma`, this function also accepts floats.
Examples:
```pycon
>>> intcomma(100)
'100'
>>> intcomma("1000")
'1,000'
>>> intcomma(1_000_000)
'1,000,000'
>>> intcomma(1_234_567.25)
'1,234,567.25'
>>> intcomma(1234.5454545, 2)
'1,234.55'
>>> intcomma(14308.40, 1)
'14,308.4'
>>> intcomma(None) is None
True
```
Args:
value (int, float, str): Integer or float to convert.
ndigits (int, None): Digits of precision for rounding after the decimal point.
Returns:
str: string containing commas every three digits.
� z {0:.{1}f}z^(-?\d+)(\d{3})z\g<1>z\g<2>N) r �
isinstance�str�float�replacer r �format�re�sub�intcomma)r Zndigits�sepZorig�newr r r r! V s
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� |��g�| S qPt| �S )a Converts a large integer to a friendly text representation.
Works best for numbers over 1 million. For example, 1_000_000 becomes "1.0 million",
1200000 becomes "1.2 million" and "1_200_000_000" becomes "1.2 billion". Supports up
to decillion (33 digits) and googol (100 digits).
Examples:
```pycon
>>> intword("100")
'100'
>>> intword("12400")
'12.4 thousand'
>>> intword("1000000")
'1.0 million'
>>> intword(1_200_000_000)
'1.2 billion'
>>> intword(8100000000000000000000000000000000)
'8.1 decillion'
>>> intword(None) is None
True
>>> intword("1234000", "%0.3f")
'1.234 million'
```
Args:
value (int, float, str): Integer to convert.
format (str): To change the number of decimal or general format of the number
portion.
Returns:
str: Friendly text representation as a string, unless the value passed could not
be coaxed into an `int`.
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| S )
a: Converts an integer to Associated Press style.
Examples:
```pycon
>>> apnumber(0)
'zero'
>>> apnumber(5)
'five'
>>> apnumber(10)
'10'
>>> apnumber("7")
'seven'
>>> apnumber("foo")
'foo'
>>> apnumber(None) is None
True
```
Args:
value (int, float, str): Integer to convert.
Returns:
str: For numbers 0-9, the number spelled out. Otherwise, the number. This always
returns a string unless the value was not `int`-able, unlike the Django filter.
r r ZzeroZoneZtwoZthreeZfourZfiveZsixZsevenZeightZnine)r r r r �_)r r r r �apnumber� s&
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r( | Y S X t|�}t|| ��d�}|j}|j}|rh|sh|dkrh|d�S |s~|d�d|d��S |d�d|d�d|d��S dS )aZ Convert to fractional number.
There will be some cases where one might not want to show ugly decimal places for
floats and decimals.
This function returns a human-readable fractional number in form of fractions and
mixed fractions.
Pass in a string, or a number or a float, and this function returns:
* a string representation of a fraction
* or a whole number
* or a mixed fraction
Examples:
```pycon
>>> fractional(0.3)
'3/10'
>>> fractional(1.3)
'1 3/10'
>>> fractional(float(1/3))
'1/3'
>>> fractional(1)
'1'
>>> fractional("ten")
'ten'
>>> fractional(None) is None
True
```
Args:
value (int, float, str): Integer to convert.
Returns:
str: Fractional number as a string.
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_numeratorZ _denominator)r ZnumberZ whole_numberZfrac� numerator� denominatorr r r �
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|
S )u� Return number in string scientific notation z.wq x 10ⁿ.
Examples:
```pycon
>>> scientific(float(0.3))
'3.00 x 10⁻¹'
>>> scientific(int(500))
'5.00 x 10²'
>>> scientific(-1000)
'1.00 x 10⁻³'
>>> scientific(1000, 1)
'1.0 x 10³'
>>> scientific(1000, 3)
'1.000 x 10³'
>>> scientific("99")
'9.90 x 10¹'
>>> scientific("foo")
'foo'
>>> scientific(None) is None
True
```
Args:
value (int, float, str): Input number.
precision (int): Number of decimal for first part of the number.
Returns:
str: Number in scientific notation z.wq x 10ⁿ.
u ⁰� ¹� ²� ³u ⁴u ⁵u ⁶u ⁷u ⁸u ⁹u ⁺u ⁻) �0�1�2�3�4�5�6�7�8�9�+�-FrP r Tz{:.%se}�ez-0z+0z x 10) r r r r r r r r �split�appendr7 ) r Z precisionZ exponents�negativeZfmt�nZpart1Zpart2Z new_part2�charZ final_strr r r �
scientific: sH �
rW �{:}�<�>c C s| | dkr dS |dk r&| |k r&|} |}n |dk r@| |kr@|} |}nd}t |t�r\||�| � S t|�rp||| � S td��dS )a� Returns number with the specified format, clamped between floor and ceil.
If the number is larger than ceil or smaller than floor, then the respective limit
will be returned, formatted and prepended with a token specifying as such.
Examples:
```pycon
>>> clamp(123.456)
'123.456'
>>> clamp(0.0001, floor=0.01)
'<0.01'
>>> clamp(0.99, format="{:.0%}", ceil=0.99)
'99%'
>>> clamp(0.999, format="{:.0%}", ceil=0.99)
'>99%'
>>> clamp(1, format=intword, floor=1e6, floor_token="under ")
'under 1.0 million'
>>> clamp(None) is None
True
```
Args:
value (int, float): Input number.
format (str OR callable): Can either be a formatting string, or a callable
function than receives value and returns a string.
floor (int, float): Smallest value before clamping.
ceil (int, float): Largest value before clamping.
floor_token (str): If value is smaller than floor, token will be prepended
to output.
ceil_token (str): If value is larger than ceil, token will be prepended
to output.
Returns:
str: Formatted number. The output is clamped between the indicated floor and
ceil. If the number if larger than ceil or smaller than floor, the output will
be prepended with a token indicating as such.
Nr zpInvalid format. Must be either a valid formatting string, or a function that accepts value and returns a string.)r r r �callabler )r r Zfloorr9 Z floor_tokenZ
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