diff --git a/rest_framework/locale/fa_IR/LC_MESSAGES/django.po b/rest_framework/locale/fa_IR/LC_MESSAGES/django.po
index 75b6fd156..baaa4fb0f 100644
--- a/rest_framework/locale/fa_IR/LC_MESSAGES/django.po
+++ b/rest_framework/locale/fa_IR/LC_MESSAGES/django.po
@@ -1,56 +1,57 @@
 # SOME DESCRIPTIVE TITLE.
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
-# 
+#
 # Translators:
 msgid ""
 msgstr ""
 "Project-Id-Version: Django REST framework\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2016-07-12 16:13+0100\n"
+"POT-Creation-Date: 2020-08-02 17:20+0430\n"
 "PO-Revision-Date: 2016-07-12 15:14+0000\n"
 "Last-Translator: Thomas Christie <tom@tomchristie.com>\n"
-"Language-Team: Persian (Iran) (http://www.transifex.com/django-rest-framework-1/django-rest-framework/language/fa_IR/)\n"
+"Language-Team: Persian (Iran) (http://www.transifex.com/django-rest-"
+"framework-1/django-rest-framework/language/fa_IR/)\n"
+"Language: fa_IR\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: fa_IR\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
 
-#: authentication.py:73
+#: authentication.py:70
 msgid "Invalid basic header. No credentials provided."
 msgstr ""
 
-#: authentication.py:76
+#: authentication.py:73
 msgid "Invalid basic header. Credentials string should not contain spaces."
 msgstr ""
 
-#: authentication.py:82
+#: authentication.py:83
 msgid "Invalid basic header. Credentials not correctly base64 encoded."
 msgstr ""
 
-#: authentication.py:99
+#: authentication.py:101
 msgid "Invalid username/password."
 msgstr ""
 
-#: authentication.py:102 authentication.py:198
+#: authentication.py:104 authentication.py:203
 msgid "User inactive or deleted."
 msgstr ""
 
-#: authentication.py:176
+#: authentication.py:181
 msgid "Invalid token header. No credentials provided."
 msgstr ""
 
-#: authentication.py:179
+#: authentication.py:184
 msgid "Invalid token header. Token string should not contain spaces."
 msgstr ""
 
-#: authentication.py:185
+#: authentication.py:190
 msgid ""
 "Invalid token header. Token string should not contain invalid characters."
 msgstr ""
 
-#: authentication.py:195
+#: authentication.py:200
 msgid "Invalid token."
 msgstr ""
 
@@ -58,382 +59,513 @@ msgstr ""
 msgid "Auth Token"
 msgstr ""
 
-#: authtoken/models.py:15
+#: authtoken/models.py:13
 msgid "Key"
 msgstr ""
 
-#: authtoken/models.py:18
+#: authtoken/models.py:16
 msgid "User"
 msgstr ""
 
-#: authtoken/models.py:20
+#: authtoken/models.py:18
 msgid "Created"
 msgstr ""
 
-#: authtoken/models.py:29
+#: authtoken/models.py:27 authtoken/serializers.py:19
 msgid "Token"
 msgstr ""
 
-#: authtoken/models.py:30
+#: authtoken/models.py:28
 msgid "Tokens"
 msgstr ""
 
-#: authtoken/serializers.py:8
+#: authtoken/serializers.py:9
 msgid "Username"
 msgstr ""
 
-#: authtoken/serializers.py:9
+#: authtoken/serializers.py:13
 msgid "Password"
 msgstr ""
 
-#: authtoken/serializers.py:20
-msgid "User account is disabled."
-msgstr ""
-
-#: authtoken/serializers.py:23
+#: authtoken/serializers.py:35
 msgid "Unable to log in with provided credentials."
 msgstr ""
 
-#: authtoken/serializers.py:26
+#: authtoken/serializers.py:38
 msgid "Must include \"username\" and \"password\"."
 msgstr ""
 
-#: exceptions.py:49
+#: exceptions.py:100
 msgid "A server error occurred."
 msgstr ""
 
-#: exceptions.py:84
+#: exceptions.py:140
+msgid "Invalid input."
+msgstr ""
+
+#: exceptions.py:159
 msgid "Malformed request."
 msgstr ""
 
-#: exceptions.py:89
+#: exceptions.py:165
 msgid "Incorrect authentication credentials."
 msgstr ""
 
-#: exceptions.py:94
+#: exceptions.py:171
 msgid "Authentication credentials were not provided."
 msgstr ""
 
-#: exceptions.py:99
+#: exceptions.py:177
 msgid "You do not have permission to perform this action."
 msgstr ""
 
-#: exceptions.py:104 views.py:81
+#: exceptions.py:183
 msgid "Not found."
 msgstr ""
 
-#: exceptions.py:109
+#: exceptions.py:189
+#, python-brace-format
 msgid "Method \"{method}\" not allowed."
 msgstr ""
 
-#: exceptions.py:120
+#: exceptions.py:200
 msgid "Could not satisfy the request Accept header."
 msgstr ""
 
-#: exceptions.py:132
+#: exceptions.py:210
+#, python-brace-format
 msgid "Unsupported media type \"{media_type}\" in request."
 msgstr ""
 
-#: exceptions.py:145
+#: exceptions.py:221
 msgid "Request was throttled."
 msgstr ""
 
-#: fields.py:269 relations.py:206 relations.py:239 validators.py:98
-#: validators.py:181
+#: exceptions.py:222
+#, python-brace-format
+msgid "Expected available in {wait} second."
+msgstr ""
+
+#: exceptions.py:223
+#, python-brace-format
+msgid "Expected available in {wait} seconds."
+msgstr ""
+
+#: fields.py:316 relations.py:240 relations.py:273 validators.py:90
+#: validators.py:183
 msgid "This field is required."
 msgstr ""
 
-#: fields.py:270
+#: fields.py:317
 msgid "This field may not be null."
 msgstr ""
 
-#: fields.py:608 fields.py:639
-msgid "\"{input}\" is not a valid boolean."
+#: fields.py:701
+msgid "Must be a valid boolean."
 msgstr ""
 
-#: fields.py:674
+#: fields.py:766
+msgid "Not a valid string."
+msgstr ""
+
+#: fields.py:767
 msgid "This field may not be blank."
 msgstr ""
 
-#: fields.py:675 fields.py:1675
+#: fields.py:768 fields.py:1880
+#, python-brace-format
 msgid "Ensure this field has no more than {max_length} characters."
 msgstr ""
 
-#: fields.py:676
+#: fields.py:769
+#, python-brace-format
 msgid "Ensure this field has at least {min_length} characters."
 msgstr ""
 
-#: fields.py:713
+#: fields.py:816
 msgid "Enter a valid email address."
 msgstr ""
 
-#: fields.py:724
+#: fields.py:827
 msgid "This value does not match the required pattern."
 msgstr ""
 
-#: fields.py:735
+#: fields.py:838
 msgid ""
 "Enter a valid \"slug\" consisting of letters, numbers, underscores or "
 "hyphens."
 msgstr ""
 
-#: fields.py:747
+#: fields.py:839
+msgid ""
+"Enter a valid \"slug\" consisting of Unicode letters, numbers, underscores, "
+"or hyphens."
+msgstr ""
+
+#: fields.py:854
 msgid "Enter a valid URL."
 msgstr ""
 
-#: fields.py:760
-msgid "\"{value}\" is not a valid UUID."
+#: fields.py:867
+msgid "Must be a valid UUID."
 msgstr ""
 
-#: fields.py:796
+#: fields.py:903
 msgid "Enter a valid IPv4 or IPv6 address."
 msgstr ""
 
-#: fields.py:821
+#: fields.py:931
 msgid "A valid integer is required."
 msgstr ""
 
-#: fields.py:822 fields.py:857 fields.py:891
+#: fields.py:932 fields.py:969 fields.py:1005 fields.py:1366
+#, python-brace-format
 msgid "Ensure this value is less than or equal to {max_value}."
 msgstr ""
 
-#: fields.py:823 fields.py:858 fields.py:892
+#: fields.py:933 fields.py:970 fields.py:1006 fields.py:1367
+#, python-brace-format
 msgid "Ensure this value is greater than or equal to {min_value}."
 msgstr ""
 
-#: fields.py:824 fields.py:859 fields.py:896
+#: fields.py:934 fields.py:971 fields.py:1010
 msgid "String value too large."
 msgstr ""
 
-#: fields.py:856 fields.py:890
+#: fields.py:968 fields.py:1004
 msgid "A valid number is required."
 msgstr ""
 
-#: fields.py:893
+#: fields.py:1007
+#, python-brace-format
 msgid "Ensure that there are no more than {max_digits} digits in total."
 msgstr ""
 
-#: fields.py:894
-msgid ""
-"Ensure that there are no more than {max_decimal_places} decimal places."
+#: fields.py:1008
+#, python-brace-format
+msgid "Ensure that there are no more than {max_decimal_places} decimal places."
 msgstr ""
 
-#: fields.py:895
+#: fields.py:1009
+#, python-brace-format
 msgid ""
 "Ensure that there are no more than {max_whole_digits} digits before the "
 "decimal point."
 msgstr ""
 
-#: fields.py:1025
+#: fields.py:1148
+#, python-brace-format
 msgid "Datetime has wrong format. Use one of these formats instead: {format}."
 msgstr ""
 
-#: fields.py:1026
+#: fields.py:1149
 msgid "Expected a datetime but got a date."
 msgstr ""
 
-#: fields.py:1103
+#: fields.py:1150
+#, python-brace-format
+msgid "Invalid datetime for the timezone \"{timezone}\"."
+msgstr ""
+
+#: fields.py:1151
+msgid "Datetime value out of range."
+msgstr ""
+
+#: fields.py:1236
+#, python-brace-format
 msgid "Date has wrong format. Use one of these formats instead: {format}."
 msgstr ""
 
-#: fields.py:1104
+#: fields.py:1237
 msgid "Expected a date but got a datetime."
 msgstr ""
 
-#: fields.py:1170
+#: fields.py:1303
+#, python-brace-format
 msgid "Time has wrong format. Use one of these formats instead: {format}."
 msgstr ""
 
-#: fields.py:1232
+#: fields.py:1365
+#, python-brace-format
 msgid "Duration has wrong format. Use one of these formats instead: {format}."
 msgstr ""
 
-#: fields.py:1251 fields.py:1300
+#: fields.py:1399 fields.py:1456
+#, python-brace-format
 msgid "\"{input}\" is not a valid choice."
 msgstr ""
 
-#: fields.py:1254 relations.py:71 relations.py:441
+#: fields.py:1402
+#, python-brace-format
 msgid "More than {count} items..."
 msgstr ""
 
-#: fields.py:1301 fields.py:1448 relations.py:437 serializers.py:524
+#: fields.py:1457 fields.py:1603 relations.py:478 serializers.py:573
+#, python-brace-format
 msgid "Expected a list of items but got type \"{input_type}\"."
 msgstr ""
 
-#: fields.py:1302
+#: fields.py:1458
 msgid "This selection may not be empty."
 msgstr ""
 
-#: fields.py:1339
+#: fields.py:1495
+#, python-brace-format
 msgid "\"{input}\" is not a valid path choice."
 msgstr ""
 
-#: fields.py:1358
+#: fields.py:1514
 msgid "No file was submitted."
 msgstr ""
 
-#: fields.py:1359
-msgid ""
-"The submitted data was not a file. Check the encoding type on the form."
+#: fields.py:1515
+msgid "The submitted data was not a file. Check the encoding type on the form."
 msgstr ""
 
-#: fields.py:1360
+#: fields.py:1516
 msgid "No filename could be determined."
 msgstr ""
 
-#: fields.py:1361
+#: fields.py:1517
 msgid "The submitted file is empty."
 msgstr ""
 
-#: fields.py:1362
+#: fields.py:1518
+#, python-brace-format
 msgid ""
 "Ensure this filename has at most {max_length} characters (it has {length})."
 msgstr ""
 
-#: fields.py:1410
+#: fields.py:1566
 msgid ""
 "Upload a valid image. The file you uploaded was either not an image or a "
 "corrupted image."
 msgstr ""
 
-#: fields.py:1449 relations.py:438 serializers.py:525
+#: fields.py:1604 relations.py:479 serializers.py:574
 msgid "This list may not be empty."
 msgstr ""
 
-#: fields.py:1502
+#: fields.py:1605
+#, python-brace-format
+msgid "Ensure this field has at least {min_length} elements."
+msgstr ""
+
+#: fields.py:1606
+#, python-brace-format
+msgid "Ensure this field has no more than {max_length} elements."
+msgstr ""
+
+#: fields.py:1682
+#, python-brace-format
 msgid "Expected a dictionary of items but got type \"{input_type}\"."
 msgstr ""
 
-#: fields.py:1549
+#: fields.py:1683
+msgid "This dictionary may not be empty."
+msgstr ""
+
+#: fields.py:1755
 msgid "Value must be valid JSON."
 msgstr ""
 
-#: filters.py:36 templates/rest_framework/filters/django_filter.html:5
-msgid "Submit"
+#: filters.py:49 templates/rest_framework/filters/search.html:2
+msgid "Search"
 msgstr ""
 
-#: filters.py:336
+#: filters.py:50
+msgid "A search term."
+msgstr ""
+
+#: filters.py:180 templates/rest_framework/filters/ordering.html:3
+msgid "Ordering"
+msgstr ""
+
+#: filters.py:181
+msgid "Which field to use when ordering the results."
+msgstr ""
+
+#: filters.py:287
 msgid "ascending"
 msgstr ""
 
-#: filters.py:337
+#: filters.py:288
 msgid "descending"
 msgstr ""
 
-#: pagination.py:193
+#: pagination.py:174
+msgid "A page number within the paginated result set."
+msgstr ""
+
+#: pagination.py:179 pagination.py:372 pagination.py:590
+msgid "Number of results to return per page."
+msgstr ""
+
+#: pagination.py:189
 msgid "Invalid page."
 msgstr ""
 
-#: pagination.py:427
+#: pagination.py:374
+msgid "The initial index from which to return the results."
+msgstr ""
+
+#: pagination.py:581
+msgid "The pagination cursor value."
+msgstr ""
+
+#: pagination.py:583
 msgid "Invalid cursor"
 msgstr ""
 
-#: relations.py:207
+#: relations.py:241
+#, python-brace-format
 msgid "Invalid pk \"{pk_value}\" - object does not exist."
 msgstr ""
 
-#: relations.py:208
+#: relations.py:242
+#, python-brace-format
 msgid "Incorrect type. Expected pk value, received {data_type}."
 msgstr ""
 
-#: relations.py:240
+#: relations.py:274
 msgid "Invalid hyperlink - No URL match."
 msgstr ""
 
-#: relations.py:241
+#: relations.py:275
 msgid "Invalid hyperlink - Incorrect URL match."
 msgstr ""
 
-#: relations.py:242
+#: relations.py:276
 msgid "Invalid hyperlink - Object does not exist."
 msgstr ""
 
-#: relations.py:243
+#: relations.py:277
+#, python-brace-format
 msgid "Incorrect type. Expected URL string, received {data_type}."
 msgstr ""
 
-#: relations.py:401
+#: relations.py:442
+#, python-brace-format
 msgid "Object with {slug_name}={value} does not exist."
 msgstr ""
 
-#: relations.py:402
+#: relations.py:443
 msgid "Invalid value."
 msgstr ""
 
-#: serializers.py:326
+#: schemas/utils.py:32
+msgid "unique integer value"
+msgstr ""
+
+#: schemas/utils.py:34
+msgid "UUID string"
+msgstr ""
+
+#: schemas/utils.py:36
+msgid "unique value"
+msgstr ""
+
+#: schemas/utils.py:38
+#, python-brace-format
+msgid "A {value_type} identifying this {name}."
+msgstr ""
+
+#: serializers.py:340
+#, python-brace-format
 msgid "Invalid data. Expected a dictionary, but got {datatype}."
 msgstr ""
 
 #: templates/rest_framework/admin.html:116
-#: templates/rest_framework/base.html:128
+#: templates/rest_framework/base.html:136
+msgid "Extra Actions"
+msgstr ""
+
+#: templates/rest_framework/admin.html:130
+#: templates/rest_framework/base.html:150
 msgid "Filters"
 msgstr ""
 
-#: templates/rest_framework/filters/django_filter.html:2
-#: templates/rest_framework/filters/django_filter_crispyforms.html:4
-msgid "Field filters"
+#: templates/rest_framework/base.html:37
+msgid "navbar"
 msgstr ""
 
-#: templates/rest_framework/filters/ordering.html:3
-msgid "Ordering"
+#: templates/rest_framework/base.html:75
+msgid "content"
 msgstr ""
 
-#: templates/rest_framework/filters/search.html:2
-msgid "Search"
+#: templates/rest_framework/base.html:78
+msgid "request form"
 msgstr ""
 
-#: templates/rest_framework/horizontal/radio.html:2
-#: templates/rest_framework/inline/radio.html:2
-#: templates/rest_framework/vertical/radio.html:2
+#: templates/rest_framework/base.html:157
+msgid "main content"
+msgstr ""
+
+#: templates/rest_framework/base.html:173
+msgid "request info"
+msgstr ""
+
+#: templates/rest_framework/base.html:177
+msgid "response info"
+msgstr ""
+
+#: templates/rest_framework/horizontal/radio.html:4
+#: templates/rest_framework/inline/radio.html:3
+#: templates/rest_framework/vertical/radio.html:3
 msgid "None"
 msgstr ""
 
-#: templates/rest_framework/horizontal/select_multiple.html:2
-#: templates/rest_framework/inline/select_multiple.html:2
-#: templates/rest_framework/vertical/select_multiple.html:2
+#: templates/rest_framework/horizontal/select_multiple.html:4
+#: templates/rest_framework/inline/select_multiple.html:3
+#: templates/rest_framework/vertical/select_multiple.html:3
 msgid "No items to select."
 msgstr ""
 
-#: validators.py:43
+#: validators.py:39
 msgid "This field must be unique."
 msgstr ""
 
-#: validators.py:97
+#: validators.py:89
+#, python-brace-format
 msgid "The fields {field_names} must make a unique set."
 msgstr ""
 
-#: validators.py:245
+#: validators.py:171
+#, python-brace-format
+msgid "Surrogate characters are not allowed: U+{code_point:X}."
+msgstr ""
+
+#: validators.py:243
+#, python-brace-format
 msgid "This field must be unique for the \"{date_field}\" date."
 msgstr ""
 
-#: validators.py:260
+#: validators.py:258
+#, python-brace-format
 msgid "This field must be unique for the \"{date_field}\" month."
 msgstr ""
 
-#: validators.py:273
+#: validators.py:271
+#, python-brace-format
 msgid "This field must be unique for the \"{date_field}\" year."
 msgstr ""
 
-#: versioning.py:42
+#: versioning.py:40
 msgid "Invalid version in \"Accept\" header."
 msgstr ""
 
-#: versioning.py:73
+#: versioning.py:71
 msgid "Invalid version in URL path."
 msgstr ""
 
-#: versioning.py:115
+#: versioning.py:116
 msgid "Invalid version in URL path. Does not match any version namespace."
 msgstr ""
 
-#: versioning.py:147
+#: versioning.py:148
 msgid "Invalid version in hostname."
 msgstr ""
 
-#: versioning.py:169
+#: versioning.py:170
 msgid "Invalid version in query parameter."
 msgstr ""
-
-#: views.py:88
-msgid "Permission denied."
-msgstr ""