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doctorondemand / djangorestframework python
Repository URL to install this package:
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Version:
3.6.4 ▾
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«¬YFÿ ã @ sº d d l m Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l m
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This class is used to represent no data being provided for a given input
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__module__Ú __qualname__Ú__doc__© r/ r/ úT/Users/carlton/Documents/Django-Stack/django-rest-framework/rest_framework/fields.pyr* + s r* c C sW t j | p t j | s" d St j | } | j j } t d d | D S)zK
True if the object is a callable that takes no arguments.
Fc s sE | ]; } | j | j k p< | j | j k p< | j | j k Vq d S)N)ÚkindÚVAR_POSITIONALÚ VAR_KEYWORDÚdefaultr* )Ú.0Úparamr/ r/ r0 ú <genexpr>@ s z%is_simple_callable.<locals>.<genexpr>)ÚinspectÚ
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Similar to Python's built in `getattr(instance, attr)`,
but takes a list of nested attributes, instead of a single attribute.
Also accepts either attribute lookup on objects or dictionary lookups.
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Similar to Python's built in `dictionary[key] = value`,
but takes a list of nested keys instead of a single key.
set_value({'a': 1}, [], {'b': 2}) -> {'a': 1, 'b': 2}
set_value({'a': 1}, ['x'], 2) -> {'a': 1, 'x': 2}
set_value({'a': 1}, ['x', 'y'], 2) -> {'a': 1, 'x': {'y': 2}}
NrC éÿÿÿÿrX )Úupdate)Ú
dictionaryÚkeysÚvalueÚkeyr/ r/ r0 Ú set_valuev s
r^ c C s~ t } xn | D]f } t | t t f s8 | | | <q | \ } } t | t t f rl t | | | <q | | | <q W| S)zì
Convert choices into key/value dicts.
to_choices_dict([1]) -> {1: 1}
to_choices_dict([(1, '1st'), (2, '2nd')]) -> {1: '1st', 2: '2nd'}
to_choices_dict([('Group', ((1, '1st'), 2))]) -> {'Group': {1: '1st', 2: '2'}}
)r rK ÚlistÚtupleÚto_choices_dict)ÚchoicesÚretÚchoicer] r\ r/ r/ r0 ra s
ra c C sm t } x] | j D]O \ } } t | t r[ x1 | j D] \ } } | | | <q> Wq | | | <q W| S)zÝ
Convert a group choices dict into a flat dict of choices.
flatten_choices_dict({1: '1st', 2: '2nd'}) -> {1: '1st', 2: '2nd'}
flatten_choices_dict({'Group': {1: '1st', 2: '2nd'}}) -> {1: '1st', 2: '2nd'}
)r ÚitemsrK Údict)rb rc r] r\ Úsub_keyÚ sub_valuer/ r/ r0 Úflatten_choices_dict§ s ri c c sT Gd d d t } Gd d d t } Gd d d t } d } xÁ | j D]³ \ } } | rt | | k rt Pt | t rê | d | VxK | j D]= \ } }
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Helper function for options and option groups in templates.
c @ s( e Z d Z d Z d Z d d Z d S)z&iter_options.<locals>.StartOptionGroupTFc S s
| | _ d S)N)Úlabel)Úselfrj r/ r/ r0 Ú__init__Â s z/iter_options.<locals>.StartOptionGroup.__init__N)r+ r, r- Ústart_option_groupÚend_option_grouprl r/ r/ r/ r0 ÚStartOptionGroup¾ s ro c @ s e Z d Z d Z d Z d S)z$iter_options.<locals>.EndOptionGroupFTN)r+ r, r- rm rn r/ r/ r/ r0 ÚEndOptionGroupÅ s rp c @ s+ e Z d Z d Z d Z d d d Z d S)z iter_options.<locals>.OptionFc S s | | _ | | _ | | _ d S)N)r\ Ú display_textÚdisabled)rk r\ rq rr r/ r/ r0 rl Í s z%iter_options.<locals>.Option.__init__N)r+ r, r- rm rn rl r/ r/ r/ r0 ÚOptionÉ s rs r rj r\ rq rC Úcountzn/arr TN)Úobjectre rK rf rR ) Úgrouped_choicesÚcutoffÚ cutoff_textro rp rs rt r] r\ rg rh r/ r/ r0 Ú iter_optionsº s( ry c s2 t | d d p d f d d | j D S)zf
Given a Django ValidationError, return a list of ErrorDetail,
with the `code` populated.
ÚcodeNÚinvalidc s" g | ] } t | d q S)rz )r% )r5 Úmsg)rz r/ r0 ú
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This class may be used to provide default values that are only used
for create operations, but that do not return any value for update
operations.
c C s
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r4 )rk r/ r/ r0 Ú__call__ s
zCreateOnlyDefault.__call__c C s# t d | j j t | j f S)Nz%s(%s))r# Ú __class__r+ r" r4 )rk r/ r/ r0 Ú__repr__
s zCreateOnlyDefault.__repr__N)r+ r, r- r. rl r r r r/ r/ r/ r0 r õ s
r c @ s4 e Z d Z d d Z d d Z d d Z d S)ÚCurrentUserDefaultc C s | j d j | _ d S)NÚrequest)ÚcontextÚuser)rk r r/ r/ r0 r s z CurrentUserDefault.set_contextc C s | j S)N)r )rk r/ r/ r0 r s zCurrentUserDefault.__call__c C s t d | j j S)Nz%s())r# r r+ )rk r/ r/ r0 r s zCurrentUserDefault.__repr__N)r+ r, r- r r r r/ r/ r/ r0 r s r c @ s e Z d Z d S)r N)r+ r, r- r/ r/ r/ r0 r s r Ú z-May not set both `read_only` and `write_only`z+May not set both `read_only` and `required`z)May not set both `required` and `default`z-Field(read_only=True) should be ReadOnlyFieldzrValidationError raised by `{class_name}`, but error key `{key}` does not exist in the `error_messages` dictionary.c s~ e Z d Z d Z d e d d e d i Z g Z e Z d Z d d d e e d d d d d d d d d Z
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| _ d S)NrC Údefault_error_messages) r Ú_creation_counterr* ÚAssertionErrorÚNOT_READ_ONLY_WRITE_ONLYÚNOT_READ_ONLY_REQUIREDÚNOT_REQUIRED_DEFAULTr ÚUSE_READONLYFIELDÚ read_onlyÚ
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field_namer ÚreversedÚ__mro__rY rN Úerror_messages)rk r r r r4 r r rj r r r§ r£ r¡ r~ Úclsr/ r/ r0 rl 6 s< " zField.__init__c C s¼ | j | k s4 t d | | j j | j j f | | _ | | _ | j d k rp | j d d j | _ | j d k r | | _ | j d k r£ g | _ n | j j
d | _ d S)z
Initializes the field name and parent for the field instance.
Called when a field is added to the parent serializer instance.
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Field.bindc C s% t | d s | j | _ | j S)NÚ _validators)r Úget_validatorsr± )rk r/ r/ r0 r£ s zField.validatorsc C s
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Return a value to use when the field is being returned as a primitive
value, without any object instance.
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zField.get_initialc C sÁ t j | r® | j | k r> t | j d d r7 t S| j S| | j } | d k rz | j rz t | d d rv d Sd S| d k rª | j rª t | d d r¦ d St S| S| j | j t S)z
Given the *incoming* primitive data, return the value for this field
that should be validated and transformed to a native value.
ÚpartialFr Ú allow_blankN)
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is_html_inputr¤ rN Úrootr* r¢ r¡ r Úget)rk rZ rc r/ r/ r0 Ú get_value s
zField.get_valuec C sÈ y t | | j SWn t t f k
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j j d | j j d | } t
| | WYd d } ~ Xn Xd S)z~
Given the *outgoing* object instance, return the primitive value
that should be used for this field.
zôGot {exc_type} when attempting to get a value for field `{field}` on serializer `{serializer}`.
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serializerrS rV N)rW r® rP rO r4 r* Ú get_defaultr r rR Útyper+ r¤ r r )rk rS rV r| r/ r/ r0 rW ¶ s
zField.get_attributec C so | j t k s$ t | j d d r- t t | j rh t | j d r^ | j j | | j S| j S)a2
Return the default value to use when validating data if no input
is provided for this field.
If a default has not been set for this field then this will simply
raise `SkipField`, indicating that no value should be set in the
validated data for this field.
rµ Fr )r4 r* rN r¸ r r
r r )rk r/ r/ r0 r¾ Ñ s $
zField.get_defaultc C s | j r d | j f S| t k ri t | j d d rC t | j rY | j d d | j f S| d k r | j s | j d d Sd | f S)a»
Validate empty values, and either:
* Raise `ValidationError`, indicating invalid data.
* Raise `SkipField`, indicating that the field should be ignored.
* Return (True, data), indicating an empty value that should be
returned without any further validation being applied.
* Return (False, data), indicating a non-empty value, that should
have validation applied as normal.
Trµ Fr Nr )TN) r r¾ r* rN r¸ r r Úfailr¡ )rk Údatar/ r/ r0 Úvalidate_empty_valuesã s
zField.validate_empty_valuesc C s? | j | \ } } | r | S| j | } | j | | S)a
Validate a simple representation and return the internal value.
The provided data may be `empty` if no representation was included
in the input.
May raise `SkipField` if the field should not be included in the
validated data.
)r Úto_internal_valueÚrun_validators)rk rÁ Úis_empty_valuer\ r/ r/ r0 Úrun_validationÿ s
zField.run_validationc C sÞ g } x¿ | j D]´ } t | d r2 | j | y | | Wq t k
r } z* t | j t rj | j | j WYd d } ~ Xq t k
rà } z | j t | WYd d } ~ Xq Xq W| rÚ t | d S)z
Test the given value against all the validators on the field,
and either raise a `ValidationError` or simply return.
r N)
r£ r r r rK Údetailrf ÚextendÚDjangoValidationErrorr )rk r\ ÚerrorsÚ validatorrV r/ r/ r0 rÄ s
"*zField.run_validatorsc C s" t d j d | j j d S)zN
Transform the *incoming* primitive data into a native value.
z.{cls}.to_internal_value() must be implemented.r¨ N)ÚNotImplementedErrorrR r r+ )rk rÁ r/ r/ r0 rà ( s zField.to_internal_valuec C s+ t d j d | j j d | j d S)zL
Transform the *outgoing* native value into primitive data.
z«{cls}.to_representation() must be implemented for field {field_name}. If you do not need to support write operations you probably want to subclass `ReadOnlyField` instead.r¨ r¤ N)rÌ rR r r+ r¤ )rk r\ r/ r/ r0 Úto_representation2 s zField.to_representationc K s{ y | j | } WnB t k
rU | j j } t j d | d | } t | Yn X| j | } t | d | d S)zH
A helper method that simply raises a validation error.
Ú
class_namer] rz N)r§ rP r r+ ÚMISSING_ERROR_MESSAGErR r r )rk r] Úkwargsr| rÎ Zmessage_stringr/ r/ r0 rÀ ? s
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Field.failc C s) | } x | j d k r$ | j } q W| S)zB
Returns the top-level serializer for this field.
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z
Field.rootc C s t | j d i S)zY
Returns the context as passed to the root serializer on initialization.
Ú_context)rN r¸ )rk r/ r/ r0 r V s z
Field.contextc s. t t | j | } | | _ | | _ | S)z
When a field is instantiated, we store the arguments that were used,
so that we can present a helpful representation of the object.
)Úsuperr Ú__new__Ú_argsÚ_kwargs)r¨ rH rÐ rS )r r/ r0 rÓ ] s z
Field.__new__c C sB d d | j D } d d | j j D } | j | | S)z
When cloning fields we instantiate using the arguments it was
originally created with, rather than copying the complete state.
c S s4 g | ]* } t | t s* t j | n | q Sr/ )rK Ú
REGEX_TYPEÚcopyÚdeepcopy)r5 Úitemr/ r/ r0 r} p s z&Field.__deepcopy__.<locals>.<listcomp>c S s: i | ]0 \ } } | d k r- t j | n | | q S)r£ Úregex)z
validatorszregex)r× rØ )r5 r] r\ r/ r/ r0 ú
<dictcomp>t s z&Field.__deepcopy__.<locals>.<dictcomp>)rÔ rÕ re r )rk ÚmemorH rÐ r/ r/ r0 Ú __deepcopy__g s
zField.__deepcopy__c C s t t j | S)zâ
Fields are represented using their initial calling arguments.
This allows us to create descriptive representations for serializer
instances that show all the declared fields on the serializer.
)r# r) Z
field_repr)rk r/ r/ r0 r y s zField.__repr__) r+ r, r- r rI r r³ r* r¢ r rl r° Úpropertyr£ Úsetterr² r´ rº rW r¾ r rÆ rÄ rà rÍ rÀ r¸ r rÓ rÝ r r/ r/ )r r0 r + s: + $
r c sÁ e Z d Z d e d i Z d Z d Z d d d d d d d
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d d d d d h Z d d d d d d d d d d d d d d d! d h Z f d" d# Z d$ d% Z
d& d' Z S)(Ú BooleanFieldr{ z!"{input}" is not a valid boolean.FÚtÚTÚyÚYÚyesÚYESÚtrueÚTrueÚTRUEÚonZOnÚONÚ1rC TÚfÚFÚnÚNÚnoÚNOÚfalseÚFalseÚFALSEÚoffZOffZOFFÚ0r g c s2 d | k s t d t t | j | d S)Nr¡ zC`allow_null` is not a valid option. Use `NullBooleanField` instead.)r rÒ rà rl )rk rÐ )r r/ r0 rl s zBooleanField.__init__c C sV y* | | j k r d S| | j k r) d SWn t k
r> Yn X| j d d | d S)NTFr{ Úinput)Ú TRUE_VALUESÚ FALSE_VALUESÚ TypeErrorrÀ )rk rÁ r/ r/ r0 rà s
z BooleanField.to_internal_valuec C s0 | | j k r d S| | j k r& d St | S)NTF)rù rú Úbool)rk r\ r/ r/ r0 rÍ © s
z BooleanField.to_representation) r+ r, r- rI r r¢ r rù rú rl rà rÍ r/ r/ )r r0 rà s$
rà c s¬ e Z d Z d e d i Z d Z d d d d d d d
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d d d d d d d h Z d d d d d d d h Z f d d Z d d Z
d d Z S)!ÚNullBooleanFieldr{ z!"{input}" is not a valid boolean.Nrá râ rç rè ré rì rC Trí rî ró rô rõ r÷ r g Frï rð r ÚNullÚNULLr c s< d | k s t d d | d <t t | j | d S)Nr¡ z#`allow_null` is not a valid option.T)r rÒ rý rl )rk rÐ )r r/ r0 rl º s
zNullBooleanField.__init__c C sP | | j k r d S| | j k r& d S| | j k r9 d S| j d d | d S)NTFr{ rø )rù rú Ú NULL_VALUESrÀ )rk rÁ r/ r/ r0 rà ¿ s z"NullBooleanField.to_internal_valuec C sC | | j k r d S| | j k r& d S| | j k r9 d St | S)NTF)r rù rú rü )rk r\ r/ r/ r0 rÍ È s z"NullBooleanField.to_representation) r+ r, r- rI r r rù rú r rl rà rÍ r/ r/ )r r0 rý ± s ! rý c s e Z d Z d e d d e d d e d d e d i Z d Z f d
d Z e f d d
Z d d Z d d Z
S)Ú CharFieldr{ zNot a valid string.Úblankz This field may not be blank.Ú
max_lengthz;Ensure this field has no more than {max_length} characters.Ú
min_lengthz7Ensure this field has at least {min_length} characters.r c s | j d d | _ | j d d | _ | j d d | _ | j d d | _ t t | j | | j d k r´ | j d j d | j } | j
j t | j d | | j d k rþ | j d j d | j } | j
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| j d | d S)Nr¶ FÚtrim_whitespaceTr r Úmessage)Úpopr¶ r r r rÒ r rl r§ rR r£ Úappendr r
)rk rÐ r )r r/ r0 rl Ý s zCharField.__init__c s` | d k s0 | j rJ t j | j d k rJ | j sF | j d d St t | j | S)Nr r ) r r Ú text_typeÚstripr¶ rÀ rÒ r rÆ )rk rÁ )r r/ r0 rÆ ê s
0
zCharField.run_validationc C sc t | t s0 t | t j t j t f r= | j d t j | } | j r_ | j S| S)Nr{ )
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integer_typesÚfloatrÀ r r r
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zCharField.to_internal_valuec C s
t j | S)N)r r )rk r\ r/ r/ r0 rÍ ý s zCharField.to_representation) r+ r, r- rI r r rl r* rÆ rà rÍ r/ r/ )r r0 r Ô s
r c s4 e Z d Z d e d i Z f d d Z S)Ú
EmailFieldr{ z Enter a valid email address.c s@ t t | j | t d | j d } | j j | d S)Nr r{ )rÒ r rl r r§ r£ r )rk rÐ rË )r r/ r0 rl s zEmailField.__init__)r+ r, r- rI r rl r/ r/ )r r0 r s r c s4 e Z d Z d e d i Z f d d Z S)Ú
RegexFieldr{ z/This value does not match the required pattern.c sC t t | j | t | d | j d } | j j | d S)Nr r{ )rÒ r rl r r§ r£ r )rk rÚ rÐ rË )r r/ r0 rl s zRegexField.__init__)r+ r, r- rI r rl r/ r/ )r r0 r s r c sC e Z d Z d e d d e d i Z d f d d Z S)Ú SlugFieldr{ zLEnter a valid "slug" consisting of letters, numbers, underscores or hyphens.Úinvalid_unicodezUEnter a valid "slug" consisting of Unicode letters, numbers, underscores, or hyphens.Fc s t t | j | | | _ | j rS t t j d t j d | j d } n" t t j d d | j d } | j j
| d S)Nz ^[-\w]+\Zr r z^[-a-zA-Z0-9_]+$r{ ) rÒ r rl Ú
allow_unicoder ÚreÚcompileÚUNICODEr§ r£ r )rk r rÐ rË )r r/ r0 rl s +"zSlugField.__init__)r+ r, r- rI r rl r/ r/ )r r0 r s r c s4 e Z d Z d e d i Z f d d Z S)ÚURLFieldr{ zEnter a valid URL.c s@ t t | j | t d | j d } | j j | d S)Nr r{ )rÒ r rl r
r§ r£ r )rk rÐ rË )r r/ r0 rl , s zURLField.__init__)r+ r, r- rI r rl r/ r/ )r r0 r ' s r c sR e Z d Z d
Z d e d i Z f d d Z d d
Z d d Z S)Ú UUIDFieldÚ hex_verboseÚhexÚintÚurnr{ z "{value}" is not a valid UUID.c sb | j d d | _ | j | j k rH t d j d j | j t t | j | d S)NrR r z<Invalid format for uuid representation. Must be one of "{0}"z", ") r Ú uuid_formatÚ
valid_formatsrQ rR ÚjoinrÒ r rl )rk rÐ )r r/ r0 rl 9 s zUUIDField.__init__c C s t | t j s y[ t | t j r7 t j d | St | t j rY t j d | S| j d d | Wn% t k
r | j d d | Yn X| S)Nr r r{ r\ )rK ÚuuidÚUUIDr r r rÀ rQ )rk rÁ r/ r/ r0 rà B s
zUUIDField.to_internal_valuec C s- | j d k r t | St | | j Sd S)Nr )r ÚstrrN )rk r\ r/ r/ r0 rÍ O s
zUUIDField.to_representation)z hex_verbosezhexzintzurn) r+ r, r- r rI r rl rà rÍ r/ r/ )r r0 r 2 s
r c sO e Z d Z d Z d e d i Z d f d d Z f d d Z S) ÚIPAddressFieldz5Support both IPAddressField and GenericIPAddressFieldr{ z#Enter a valid IPv4 or IPv6 address.Úbothc sc | j | _ | j d k | _ t t | j | t | | j \ } } | j j | d S)Nr# ) ÚlowerÚprotocolÚ unpack_ipv4rÒ r" rl r r£ rÈ )rk r% rÐ r£ Ú
error_message)r r/ r0 rl ] s
zIPAddressField.__init__c s t | t j s% | j d d | d | k r| y# | j d k rS t | | j SWn% t k
r{ | j d d | Yn Xt t | j
| S)Nr{ r\ ú:r# Úipv6)zbothzipv6) rK r r rÀ r% r r& rÉ rÒ r" rà )rk rÁ )r r/ r0 rà d s
z IPAddressField.to_internal_value)r+ r, r- r. rI r rl rà r/ r/ )r r0 r" V s r" c s
e Z d Z d e d d e d d e d d e d i Z d Z e j d
Z f d d Z d
d Z
d d Z S)Ú IntegerFieldr{ z A valid integer is required.Ú max_valuez7Ensure this value is less than or equal to {max_value}.Ú min_valuez:Ensure this value is greater than or equal to {min_value}.Úmax_string_lengthzString value too large.iè z\.0*\s*$c sØ | j d d | _ | j d d | _ t t | j | | j d k r | j d j d | j } | j j t
| j d | | j d k rÔ | j d j d | j } | j j t | j d | d S)Nr+ r, r ) r r+ r, rÒ r* rl r§ rR r£ r r r )rk rÐ r )r r/ r0 rl ~ s zIntegerField.__init__c C s
t | t j r4 t | | j k r4 | j d y% t | j j d t | } Wn% t
t f k
r | j d Yn X| S)Nr- r r{ ) rK r r rE ÚMAX_STRING_LENGTHrÀ r Ú
re_decimalÚsubr! rQ rû )rk rÁ r/ r/ r0 rà s '
%z IntegerField.to_internal_valuec C s
t | S)N)r )rk r\ r/ r/ r0 rÍ s z IntegerField.to_representation) r+ r, r- rI r r. r r r/ rl rà rÍ r/ r/ )r r0 r* t s
r* c sv e Z d Z d e d d e d d e d d e d i Z d Z f d
d Z d d
Z d d Z S)Ú
FloatFieldr{ zA valid number is required.r+ z7Ensure this value is less than or equal to {max_value}.r, z:Ensure this value is greater than or equal to {min_value}.r- zString value too large.iè c sØ | j d d | _ | j d d | _ t t | j | | j d k r | j d j d | j } | j j t
| j d | | j d k rÔ | j d j d | j } | j j t | j d | d S)Nr+ r, r ) r r+ r, rÒ r1 rl r§ rR r£ r r r )rk rÐ r )r r/ r0 rl s zFloatField.__init__c C sn t | t j r4 t | | j k r4 | j d y t | SWn% t t f k
ri | j d Yn Xd S)Nr- r{ ) rK r r rE r. rÀ r
rû rQ )rk rÁ r/ r/ r0 rà « s '
z FloatField.to_internal_valuec C s
t | S)N)r
)rk r\ r/ r/ r0 rÍ µ s z FloatField.to_representation) r+ r, r- rI r r. rl rà rÍ r/ r/ )r r0 r1 s
r1 c s¾ e Z d Z d e d d e d d e d d e d d e d
d e d d
e d i Z d Z d d d d f d d Z d d Z d d Z d d Z d d Z
S) Ú DecimalFieldr{ zA valid number is required.r+ z7Ensure this value is less than or equal to {max_value}.r, z:Ensure this value is greater than or equal to {min_value}.Ú
max_digitsz@Ensure that there are no more than {max_digits} digits in total.Úmax_decimal_placeszGEnsure that there are no more than {max_decimal_places} decimal places.Úmax_whole_digitszVEnsure that there are no more than {max_whole_digits} digits before the decimal point.r- zString value too large.iè NFc s? | | _ | | _ | | _ | d k r0 | | _ | j rB d | _ | | _ | | _ | j d k r | j d k r | j | j | _ n d | _ t t | j | | j d k rñ | j
d j d | j } | j j
t | j d | | j d k r;| j
d j d | j } | j j
t | j d | d S)NTr+ r r, )r3 Údecimal_placesÚlocalizeÚcoerce_to_stringr+ r, r5 rÒ r2 rl r§ rR r£ r r r ) rk r3 r6 r8 r+ r, r7 rÐ r )r r/ r0 rl Å s& zDecimalField.__init__c C sá t | j } | j r' t | } t | | j k rI | j d y t j | } Wn" t j k
r | j d Yn X| | k r | j d | t j d t j d f k rË | j d | j
| j | S)zd
Validate that the input is a decimal number and return a Decimal
instance.
r- r{ ÚInfz-Inf) r r
r7 r rE r. rÀ ÚdecimalÚDecimalÚDecimalExceptionÚquantizeÚvalidate_precision)rk rÁ r\ r/ r/ r0 rà à s
$
z DecimalField.to_internal_valuec C s; | j \ } } } | d k r@ t | | } | } d } n[ t | t | k r t | } | t | } t | } n t | } d } | } | j d k rÏ | | j k rÏ | j d d | j | j d k r| | j k r| j d d | j | j d k r7| | j k r7| j d d | j | S)a
Ensure that there are no more than max_digits in the number, and no
more than decimal_places digits after the decimal point.
Override this method to disable the precision validation for input
values or to enhance it in any way you need to.
r Nr3 r4 r5 )Úas_tuplerE Úabsr3 rÀ r6 r5 )rk r\ ÚsignZ
digittupleÚexponentZ total_digitsÚ whole_digitsr6 r/ r/ r0 r> þ s& z DecimalField.validate_precisionc C s~ t | d t j } t | t j sE t j t j | j } | j | } | s^ | S| j
rq t | Sd j | S)Nr8 z{0:f})
rN r& ZCOERCE_DECIMAL_TO_STRINGrK r: r; r r r
r= r7 r rR )rk r\ r8 Z quantizedr/ r/ r0 rÍ ! s
z DecimalField.to_representationc C sc | j d k r | St j j } | j d k r@ | j | _ | j t j d | j d | S)zI
Quantize the decimal value to the configured precision.
Nz.1r )r6 r: Ú
getcontextr× r3 Úprecr= r; )rk r\ r r/ r/ r0 r= 0 s zDecimalField.quantize) r+ r, r- rI r r. rl rà r> rÍ r= r/ r/ )r r0 r2 ¹ s # r2 c s e Z d Z d e d d e d d e d i Z e j j Z e d d f d d Z d
d Z
d d
Z d d Z d d Z
S)Ú
DateTimeFieldr{ zFDatetime has wrong format. Use one of these formats instead: {format}.Údatez#Expected a datetime but got a date.Ú
make_awarez/Invalid datetime for the timezone "{timezone}".Nc s\ | t k r | | _ | d k r* | | _ | d k r? | | _ t t | j | | d S)N)r* rR Ú
input_formatsr rÒ rF rl )rk rR rI Údefault_timezonerH rÐ )r r/ r0 rl J s zDateTimeField.__init__c C s¢ t | d | j } | d k rs t j | rs y t j | | SWq t k
ro | j d d | Yq Xn+ | d k r t j | r t j | t S| S)z«
When `self.default_timezone` is `None`, always return naive datetimes.
When `self.default_timezone` is not `None`, always return aware datetimes.
r NrH ) rN rJ r Úis_awarerH r rÀ Ú
make_naiver )rk r\ Zfield_timezoner/ r/ r0 Úenforce_timezoneS s
z DateTimeField.enforce_timezonec C s t j r t j Sd S)N)r ÚUSE_TZr Úget_default_timezone)rk r/ r/ r0 rJ c s z DateTimeField.default_timezonec
C s4 t | d t j } t | t j rG t | t j rG | j d t | t j rf | j | Sx¥ | D] } | j t k rÌ y) t
| } | d k r | j | SWq
t t f k
rÈ Yq
Xqm y# | j
| | } | j | SWqm t t f k
r Yqm Xqm Wt j | } | j d d | d S)NrI rG r{ rR )rN r& ÚDATETIME_INPUT_FORMATSrK ÚdatetimerG rÀ rM r$ r r rQ rû Údatetime_parserr( Zdatetime_formats)rk r\ rI Ú input_formatÚparsedÚhumanized_formatr/ r/ r0 rà f s( %
z DateTimeField.to_internal_valuec C s | s
d St | d t j } | d k s= t | t j rA | S| j t k r | j } | j d r | d d
d } | S| j
| S)NrR z+00:00é ÚZiúÿÿÿ) rN r& ÚDATETIME_FORMATrK r r r$ r Ú isoformatÚendswithÚstrftime)rk r\ Ú
output_formatr/ r/ r0 rÍ s z DateTimeField.to_representation)r+ r, r- rI r rQ ÚstrptimerR r* rl rM rJ rà rÍ r/ r/ )r r0 rF B s rF c sj e Z d Z d e d d e d i Z e j j Z e d f d d Z d d Z
d
d Z S) Ú DateFieldr{ zBDate has wrong format. Use one of these formats instead: {format}.rQ z#Expected a date but got a datetime.Nc sG | t k r | | _ | d k r* | | _ t t | j | | d S)N)r* rR rI rÒ r^ rl )rk rR rI rH rÐ )r r/ r0 rl s
zDateField.__init__c
C s t | d t j } t | t j r4 | j d t | t j rJ | Sx | D] } | j t k r§ y t | } Wn t
t f k
r Yqâ X| d k râ | SqQ y | j | | } Wn t
t f k
r× YqQ X| j SqQ Wt
j | } | j d d | d S)NrI rQ r{ rR )rN r& ÚDATE_INPUT_FORMATSrK rQ rÀ rG r$ r r rQ rû rR r( Z date_formats)rk r\ rI rS rT rU r/ r/ r0 rà s(
zDateField.to_internal_valuec C s | s
d St | d t j } | d k s= t | t j rA | St | t j s` t d | j t k r| | j
S| j | S)NrR z±Expected a `date`, but got a `datetime`. Refusing to coerce, as this may mean losing timezone information. Use a custom read-only field and deal with timezone issues explicitly.) rN r& Ú DATE_FORMATrK r r rQ r r$ r rY r[ )rk r\ r\ r/ r/ r0 rÍ ½ s
zDateField.to_representation) r+ r, r- rI r rQ r] rR r* rl rà rÍ r/ r/ )r r0 r^ s r^ c s^ e Z d Z d e d i Z e j j Z e d f d d Z d d Z
d d Z S)
Ú TimeFieldr{ zBTime has wrong format. Use one of these formats instead: {format}.Nc sG | t k r | | _ | d k r* | | _ t t | j | | d S)N)r* rR rI rÒ ra rl )rk rR rI rH rÐ )r r/ r0 rl Û s
zTimeField.__init__c
C sí t | d t j } t | t j r+ | Sx | D] } | j t k r y t | } Wn t t
f k
rt Yqà X| d k rà | Sq2 y | j | | } Wn t t
f k
r¸ Yq2 X| j Sq2 Wt j
| } | j d d | d S)NrI r{ rR )rN r& ÚTIME_INPUT_FORMATSrK rQ Útimer$ r r rQ rû rR r( Z time_formatsrÀ )rk r\ rI rS rT rU r/ r/ r0 rà â s$
zTimeField.to_internal_valuec C s | d k r d St | d t j } | d k sC t | t j rG | St | t j sf t d | j t k r | j
S| j | S)Nr rR z±Expected a `time`, but got a `datetime`. Refusing to coerce, as this may mean losing timezone information. Use a custom read-only field and deal with timezone issues explicitly.)Nr ) rN r& Ú TIME_FORMATrK r r rQ r r$ r rY r[ )rk r\ r\ r/ r/ r0 rÍ ü s
zTimeField.to_representation) r+ r, r- rI r rQ r] rR r* rl rà rÍ r/ r/ )r r0 ra Õ s
ra c @ s: e Z d Z d e d i Z d d Z d d Z d S)Ú
DurationFieldr{ zFDuration has wrong format. Use one of these formats instead: {format}.c C sR t | t j r | St t j | } | d k r; | S| j d d d d S)Nr{ rR z[DD] [HH:[MM:]]ss[.uuuuuu])rK rQ Ú timedeltar r r rÀ )rk r\ rT r/ r/ r0 rà s z DurationField.to_internal_valuec C s
t | S)N)r )rk r\ r/ r/ r0 rÍ s z DurationField.to_representationN)r+ r, r- rI r rà rÍ r/ r/ r/ r0 re s re c sj e Z d Z d e d i Z d Z e d Z f d d Z d d Z d d
Z d d Z
S)
Ú ChoiceFieldÚinvalid_choicez "{input}" is not a valid choice.NzMore than {count} items...c s t | | _ t | j | _ | j d | j | _ | j d | j | _ d d | j j D | _ | j d d | _ t
t | j | d S)NÚ html_cutoffÚhtml_cutoff_textc S s" i | ] } | t j | q Sr/ )r r )r5 r] r/ r/ r0 rÛ 7 s z(ChoiceField.__init__.<locals>.<dictcomp>r¶ F)
ra rv ri rb r ri rj r[ Úchoice_strings_to_valuesr¶ rÒ rg rl )rk rb rÐ )r r/ r0 rl - s zChoiceField.__init__c C s] | d k r | j r d Sy | j t j | SWn% t k
rX | j d d | Yn Xd S)Nr rh rø )r¶ rk r r rP rÀ )rk rÁ r/ r/ r0 rà > s
z ChoiceField.to_internal_valuec C s, | d k r | S| j j t j | | S)Nr )r N)rk r¹ r r )rk r\ r/ r/ r0 rÍ G s z ChoiceField.to_representationc C s t | j d | j d | j S)zP
Helper method for use with templates rendering select widgets.
rw rx )ry rv ri rj )rk r/ r/ r0 ry L s zChoiceField.iter_options) r+ r, r- rI r ri rj rl rà rÍ ry r/ r/ )r r0 rg & s rg c s| e Z d Z d e d d e d d e d i Z g Z f d d Z d d
Z f d d Z d
d Z S)ÚMultipleChoiceFieldrh z "{input}" is not a valid choice.Ú
not_a_listz5Expected a list of items but got type "{input_type}".r* z This selection may not be empty.c s2 | j d d | _ t t | j | | d S)NÚ allow_emptyT)r rn rÒ rl rl )rk rH rÐ )r r/ r0 rl _ s z MultipleChoiceField.__init__c C sZ | j | k r( t | j d d r( t St j | rG | j | j S| j | j t S)Nrµ F)r¤ rN r¸ r* r' r· Úgetlistr¹ )rk rZ r/ r/ r0 rº c s z MultipleChoiceField.get_valuec s t | t d s% t | d rA j d d t | j j rj t | d k rj j d f d d | D S) Nr Ú__iter__rm Ú
input_typer r* c s( h | ] } t t j | q Sr/ )rÒ rl rà )r5 rÙ )r rk r/ r0 ú <setcomp>t s z8MultipleChoiceField.to_internal_value.<locals>.<setcomp>)rK r¿ r rÀ r+ rn rE )rk rÁ )r )rk r0 rà m s %
z%MultipleChoiceField.to_internal_valuec s f d d | D S)Nc s. h | ]$ } j j t j | | q Sr/ )rk r¹ r r )r5 rÙ )rk r/ r0 rr z s z8MultipleChoiceField.to_representation.<locals>.<setcomp>r/ )rk r\ r/ )rk r0 rÍ x s z%MultipleChoiceField.to_representation)
r+ r, r- rI r r¢ rl rº rà rÍ r/ r/ )r r0 rl W s
rl c
sC e Z d Z d e d i Z d d d d d f d d Z S)r rh z%"{input}" is not a valid path choice.NFTc sQ t | d | d | d | d | d | } | j | d <t t | j | d S)NÚmatchÚ recursiveÚ allow_filesÚ
allow_foldersr rb )ÚDjangoFilePathFieldrb rÒ r rl ) rk Úpathrs rt ru rv r rÐ r¼ )r r/ r0 rl s
zFilePathField.__init__)r+ r, r- rI r rl r/ r/ )r r0 r ~ s r c
s| e Z d Z d e d d e d d e d d e d d e d
i Z f d d Z d
d Z d d Z S)Ú FileFieldr zNo file was submitted.r{ zGThe submitted data was not a file. Check the encoding type on the form.Úno_namez No filename could be determined.r* z The submitted file is empty.r zKEnsure this filename has at most {max_length} characters (it has {length}).c se | j d d | _ | j d d | _ d | k rH | j d | _ t t | j | | d S)Nr Úallow_empty_fileFÚuse_url)r r r{ r| rÒ ry rl )rk rH rÐ )r r/ r0 rl s
zFileField.__init__c C s y | j } | j } Wn t k
r7 | j d Yn X| sK | j d | j ri | ri | j d | j r© t | | j k r© | j d d | j d t | | S)Nr{ rz r* r Úlength)ÚnameÚsizerO rÀ r{ r rE )rk rÁ Ú file_nameÚ file_sizer/ r/ r0 rà ¡ s
"zFileField.to_internal_valuec C s} | s
d St | d t j } | rv t | d d s; d S| j } | j j d d } | d k rr | j | S| S| j S)Nr| Úurlr )rN r& ZUPLOADED_FILES_USE_URLr r r¹ Úbuild_absolute_urir~ )rk r\ r| r r r/ r/ r0 rÍ ² s
zFileField.to_representation)r+ r, r- rI r rl rà rÍ r/ r/ )r r0 ry s ry c sF e Z d Z d e d i Z f d d Z f d d Z S)r Ú
invalid_imagezYUpload a valid image. The file you uploaded was either not an image or a corrupted image.c s2 | j d t | _ t t | j | | d S)NÚ_DjangoImageField)r ÚDjangoImageFieldr
rÒ r rl )rk rH rÐ )r r/ r0 rl Ë s zImageField.__init__c sA t t | j | } | j } | j | _ | j | | S)N)rÒ r rà r
r§ Ú to_python)rk rÁ Z file_objectZ django_field)r r/ r0 rÃ Ï s
z ImageField.to_internal_value)r+ r, r- rI r rl rà r/ r/ )r r0 r Ä s r c s: e Z d Z f d d Z d d Z d d Z S)Ú_UnvalidatedFieldc s/ t t | j | | d | _ d | _ d S)NT)rÒ r rl r¶ r¡ )rk rH rÐ )r r/ r0 rl Ý s z_UnvalidatedField.__init__c C s | S)Nr/ )rk rÁ r/ r/ r0 rà â s z#_UnvalidatedField.to_internal_valuec C s | S)Nr/ )rk r\ r/ r/ r0 rÍ å s z#_UnvalidatedField.to_representation)r+ r, r- rl rà rÍ r/ r/ )r r0 r Ü s r c s e Z d Z e Z g Z d e d d e d d e d d e d i Z f d d
Z d d Z d
d Z
d d Z S)Ú ListFieldrm z5Expected a list of items but got type "{input_type}".r* zThis list may not be empty.r z5Ensure this field has at least {min_length} elements.r z9Ensure this field has no more than {max_length} elements.c sg | j d t j | j | _ | j d d | _ | j d d | _ | j d d | _ t j | j s t d | j j
d k s t d t t | j
| | | j j d d d
| | j d k r| j d j d | j } | j j t | j d | | j d k rc| j d j d | j } | j j t | j d | d S) NÚchildrn Tr r z"`child` has not been instantiated.zvThe `source` argument is not meaningful when applied to a `child=` field. Remove `source=` from the field declaration.r¤ r r r )r r× rØ r rn r r r8 Úisclassr r rÒ r rl r° r§ rR r£ r r r
)rk rH rÐ r )r r/ r0 rl ó s ! zListField.__init__c C s | j | k r( t | j d d r( t St j | rx | j | j g } t | d k rb | St j | d | j S| j | j t S)Nrµ Fr Úprefix)
r¤ rN r¸ r* r' r· ro rE Úparse_html_listr¹ )rk rZ Úvalr/ r/ r0 rº s zListField.get_valuec s± t j | r t j | } t | t d sU t | t j sU t | d rq j d d t | j j
r t | d k r j d f d d | D S) zY
List of dicts of native values <- List of dicts of primitive datatypes.
r rp rm rq r r* c s" g | ] } j j | q Sr/ )r rÆ )r5 rÙ )rk r/ r0 r} s z/ListField.to_internal_value.<locals>.<listcomp>) r' r· r rK r¿ rL rM r rÀ r+ rn rE )rk rÁ r/ )rk r0 rà s 7
zListField.to_internal_valuec s f d d | D S)zS
List of object instances -> List of dicts of primitive datatypes.
c s4 g | ]* } | d k r* j j | n d q S)N)r rÍ )r5 rÙ )rk r/ r0 r} & s z/ListField.to_representation.<locals>.<listcomp>r/ )rk rÁ r/ )rk r0 rÍ " s zListField.to_representation) r+ r, r- r r r rI r rl rº rà rÍ r/ r/ )r r0 r é s r c sg e Z d Z e Z i Z d e d i Z f d d Z d d Z d d Z
d d
Z S) Ú DictFieldÚ
not_a_dictz;Expected a dictionary of items but got type "{input_type}".c s | j d t j | j | _ t j | j s@ t d | j j d k s^ t d t t | j
| | | j j d d d | d S)Nr z"`child` has not been instantiated.zvThe `source` argument is not meaningful when applied to a `child=` field. Remove `source=` from the field declaration.r¤ r r ) r r× rØ r r8 r r r rÒ r rl r° )rk rH rÐ )r r/ r0 rl 0 s ! zDictField.__init__c C s8 t j | r% t j | d | j S| j | j t S)Nr )r' r· Úparse_html_dictr¤ r¹ r* )rk rZ r/ r/ r0 rº < s zDictField.get_valuec sf t j | r t j | } t | t sI j d d t | j f d d | j D S)zI
Dicts of native values <- Dicts of primitive datatypes.
r rq c s4 i | ]* \ } } j j | t j | q Sr/ )r rÆ r r )r5 r] r\ )rk r/ r0 rÛ L s z/DictField.to_internal_value.<locals>.<dictcomp>) r' r· r rK rf rÀ r¿ r+ re )rk rÁ r/ )rk r0 rà C s zDictField.to_internal_valuec s f d d | j D S)zS
List of object instances -> List of dicts of primitive datatypes.
c sF i | ]< \ } } | d k r0 j j | n d t j | q S)N)r rÍ r r )r5 r] r )rk r/ r0 rÛ U s z/DictField.to_representation.<locals>.<dictcomp>)re )rk r\ r/ )rk r0 rÍ P s zDictField.to_representation) r+ r, r- r r r rI r rl rº rà rÍ r/ r/ )r r0 r ) s
r c sX e Z d Z d e d i Z f d d Z d d Z d d Z d d
Z S) Ú JSONFieldr{ zValue must be valid JSON.c s2 | j d d | _ t t | j | | d S)NÚbinaryF)r r rÒ r rl )rk rH rÐ )r r/ r0 rl _ s zJSONField.__init__c C s[ t j | rH | j | k rH Gd d d t j } | | | j S| j | j t S)Nc @ s e Z d Z d d Z d S)z'JSONField.get_value.<locals>.JSONStringc S s" t j j | | } d | _ | S)NT)r r rÓ Úis_json_string)rk r\ rc r/ r/ r0 rÓ h s z/JSONField.get_value.<locals>.JSONString.__new__N)r+ r, r- rÓ r/ r/ r/ r0 Ú
JSONStringg s r )r' r· r¤ r r r¹ r* )rk rZ r r/ r/ r0 rº c s zJSONField.get_valuec C s yZ | j s t | d d rL t | t j r? | j d } t j | St j | Wn% t t
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ReadOnlyFieldaw
A read-only field that simply returns the field value.
If the field is a method with no parameters, the method will be called
and its return value used as the representation.
For example, the following would call `get_expiry_date()` on the object:
class ExampleSerializer(Serializer):
expiry_date = ReadOnlyField(source='get_expiry_date')
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A hidden field does not take input from the user, or present any output,
but it does populate a field in `validated_data`, based on its default
value. This is particularly useful when we have a `unique_for_date`
constraint on a pair of fields, as we need some way to include the date in
the validated data.
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zHiddenField.__init__c C s t S)N)r* )rk rZ r/ r/ r0 rº © s zHiddenField.get_valuec C s | S)Nr/ )rk rÁ r/ r/ r0 rà ® s z HiddenField.to_internal_value)r+ r, r- r. rl rº rà r/ r/ )r r0 r s r c sI e Z d Z d Z d f d d Z f d d Z d d Z S) ÚSerializerMethodFieldaÀ
A read-only field that get its representation from calling a method on the
parent serializer class. The method called will be of the form
"get_{field_name}", and should take a single argument, which is the
object being serialized.
For example:
class ExampleSerializer(self):
extra_info = SerializerMethodField()
def get_extra_info(self, obj):
return ... # Calculate some data to return.
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ModelFieldzÓ
A generic field that can be used against an arbitrary model field.
This is used by `ModelSerializer` when dealing with custom model fields,
that do not have a serializer field to be mapped to.
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