Django restful Framework 之序列化与反序列化
1. 首先在已建好的工程目录下新建app命名为snippets,并将snippets app以及rest_framework app加到工程目录的 INSTALLED_APPS 中去,具体如下:
INSTALLED_APPS = ( ... 'rest_framework', 'snippets.apps.SnippetsConfig', )
1.1构建自己的数据库表结构,代码如下:
from django.db import models from pygments.lexers import get_all_lexers from pygments.styles import get_all_styles LEXERS = [item for item in get_all_lexers() if item[1]] LANGUAGE_CHOICES = sorted([(item[1][0], item[0]) for item in LEXERS]) STYLE_CHOICES = sorted((item, item) for item in get_all_styles()) class Snippet(models.Model): created = models.DateTimeField(auto_now_add=True) title = models.CharField(max_length=100, blank=True, default='') code = models.TextField() linenos = models.BooleanField(default=False) language = models.CharField(choices=LANGUAGE_CHOICES, default='python', max_length=100) style = models.CharField(choices=STYLE_CHOICES, default='friendly', max_length=100) class Meta: ordering = ('created',)
生成表结构命令如下:
python manage.py makemigrations snippets python manage.py migrate
1.2创建序列化类
为我们的web API提供一种针对建立models snippets 对象的序列化与反序列化的方式,并展示出来,比如json格式, 我们可以定义序列化类,和Django 中的forms比较相似的功能,接下来在
snippets目录下创建serializers.py, 具体如下:
from rest_framework import serializers from snippets.models import Snippet, LANGUAGE_CHOICES, STYLE_CHOICES class SnippetSerializer(serializers.Serializer): id = serializers.IntegerField(read_only=True) title = serializers.CharField(required=False, allow_blank=True, max_length=100) code = serializers.CharField(style={'base_template': 'textarea.html'}) linenos = serializers.BooleanField(required=False) language = serializers.ChoiceField(choices=LANGUAGE_CHOICES, default='python') style = serializers.ChoiceField(choices=STYLE_CHOICES, default='friendly') def create(self, validated_data): """ Create and return a new `Snippet` instance, given the validated data. """ return Snippet.objects.create(**validated_data) def update(self, instance, validated_data): """ Update and return an existing `Snippet` instance, given the validated data. """ instance.title = validated_data.get('title', instance.title) instance.code = validated_data.get('code', instance.code) instance.linenos = validated_data.get('linenos', instance.linenos) instance.language = validated_data.get('language', instance.language) instance.style = validated_data.get('style', instance.style) instance.save() return instance
A serializer class is very similar to a Django Form
class, and includes similar validation flags on the various fields, such as required
, max_length
and default
.
The field flags can also control how the serializer should be displayed in certain circumstances, such as when rendering to HTML. The {'base_template': 'textarea.html'}
flag above is equivalent to using widget=widgets.Textarea
on a Django Form
class. This is particularly useful for controlling how the browsable API should be displayed, as we'll see later in the tutorial.
We can actually also save ourselves some time by using the ModelSerializer
class, as we'll see later, but for now we'll keep our serializer definition explicit.
接下来进入django的shell 环境,创建models实例,步骤如下:
localhost:cmdb JasonWang$ python3 manage.py shell Python 3.5.0 (v3.5.0:374f501f4567, Sep 12 2015, 11:00:19) [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin Type "help", "copyright", "credits" or "license" for more information. (InteractiveConsole) >>> from snippets.models import Snippet >>> from snippets.serializers import SnippetSerializer >>> from rest_framework.renderers import JSONRenderer >>> from rest_framework.parsers import JSONParser >>> snippet = Snippet(code='foo = "Jason" ') >>> snippet.save() >>> snippet = Snippet(code='print "Hello,Jason" ') >>> snippet.save() >>> print(snippet) Snippet object >>> print(snippet.__dict__) {'style': 'friendly', 'code': 'print "Hello,Jason" ', '_state': <django.db.models.base.ModelState object at 0x1047b5550>, 'language': 'python', 'created': datetime.datetime(2016, 11, 11, 7, 12, 58, 973475, tzinfo=<UTC>), 'title': '', 'id': 2, 'linenos': False} >>> serializer = SnippetSerializer(snippet) >>> print(serializer) SnippetSerializer(<Snippet: Snippet object>): id = IntegerField(read_only=True) title = CharField(allow_blank=True, max_length=100, required=False) code = CharField(style={'base_template': 'textarea.html'}) linenos = BooleanField(required=False) language = ChoiceField(choices=[('abap', 'ABAP'), ('abnf', 'ABNF'), ('ada', 'Ada'), ('adl', 'ADL'), ('agda', 'Agda'), ('ahk', 'autohotkey'), ('alloy', 'Alloy'), ('antlr', 'ANTLR'), ('antlr-as', 'ANTLR With ActionScript Target'), ('antlr-cpp', 'ANTLR With CPP Target'), ('antlr-csharp', 'ANTLR With C# Target'), ('antlr-java', 'ANTLR With Java Target'), ('antlr-objc', 'ANTLR With ObjectiveC Target'), ('antlr-perl', 'ANTLR With Perl Target'), ('antlr-python', 'ANTLR With Python Target'), ('antlr-ruby', 'ANTLR With Ruby Target'), ('apacheconf', 'ApacheConf'), ('apl', 'APL'), ('applescript', 'AppleScript'), ('arduino', 'Arduino'), ('as', 'ActionScript'), ('as3', 'ActionScript 3'), ('aspectj', 'AspectJ'), ('aspx-cs', 'aspx-cs'), ('aspx-vb', 'aspx-vb'), ('asy', 'Asymptote'), ('at', 'AmbientTalk'), ('autoit', 'AutoIt'), ('awk', 'Awk'), ('basemake', 'Base Makefile'), ('bash', 'Bash'), ('bat', 'Batchfile'), ('bbcode', 'BBCode'), ('bc', 'BC'), ('befunge', 'Befunge'), ('blitzbasic', 'BlitzBasic'), ('blitzmax', 'BlitzMax'), ('bnf', 'BNF'), ('boo', 'Boo'), ('boogie', 'Boogie'), ('brainfuck', 'Brainfuck'), ('bro', 'Bro'), ('bugs', 'BUGS'), ('c', 'C'), ('c-objdump', 'c-objdump'), ('ca65', 'ca65 assembler'), ('cadl', 'cADL'), ('camkes', 'CAmkES'), ('cbmbas', 'CBM BASIC V2'), ('ceylon', 'Ceylon'), ('cfc', 'Coldfusion CFC'), ('cfengine3', 'CFEngine3'), ('cfm', 'Coldfusion HTML'), ('cfs', 'cfstatement'), ('chai', 'ChaiScript'), ('chapel', 'Chapel'), ('cheetah', 'Cheetah'), ('cirru', 'Cirru'), ('clay', 'Clay'), ('clojure', 'Clojure'), ('clojurescript', 'ClojureScript'), ('cmake', 'CMake'), ('cobol', 'COBOL'), ('cobolfree', 'COBOLFree'), ('coffee-script', 'CoffeeScript'), ('common-lisp', 'Common Lisp'), ('componentpascal', 'Component Pascal'), ('console', 'Bash Session'), ('control', 'Debian Control file'), ('coq', 'Coq'), ('cpp', 'C++'), ('cpp-objdump', 'cpp-objdump'), ('cpsa', 'CPSA'), ('crmsh', 'Crmsh'), ('croc', 'Croc'), ('cryptol', 'Cryptol'), ('csharp', 'C#'), ('csound', 'Csound Orchestra'), ('csound-document', 'Csound Document'), ('csound-score', 'Csound Score'), ('css', 'CSS'), ('css+django', 'CSS+Django/Jinja'), ('css+erb', 'CSS+Ruby'), ('css+genshitext', 'CSS+Genshi Text'), ('css+lasso', 'CSS+Lasso'), ('css+mako', 'CSS+Mako'), ('css+mozpreproc', 'CSS+mozpreproc'), ('css+myghty', 'CSS+Myghty'), ('css+php', 'CSS+PHP'), ('css+smarty', 'CSS+Smarty'), ('cucumber', 'Gherkin'), ('cuda', 'CUDA'), ('cypher', 'Cypher'), ('cython', 'Cython'), ('d', 'D'), ('d-objdump', 'd-objdump'), ('dart', 'Dart'), ('delphi', 'Delphi'), ('dg', 'dg'), ('diff', 'Diff'), ('django', 'Django/Jinja'), ('docker', 'Docker'), ('doscon', 'MSDOS Session'), ('dpatch', 'Darcs Patch'), ('dtd', 'DTD'), ('duel', 'Duel'), ('dylan', 'Dylan'), ('dylan-console', 'Dylan session'), ('dylan-lid', 'DylanLID'), ('earl-grey', 'Earl Grey'), ('easytrieve', 'Easytrieve'), ('ebnf', 'EBNF'), ('ec', 'eC'), ('ecl', 'ECL'), ('eiffel', 'Eiffel'), ('elixir', 'Elixir'), ('elm', 'Elm'), ('emacs', 'EmacsLisp'), ('erb', 'ERB'), ('erl', 'Erlang erl session'), ('erlang', 'Erlang'), ('evoque', 'Evoque'), ('ezhil', 'Ezhil'), ('factor', 'Factor'), ('fan', 'Fantom'), ('fancy', 'Fancy'), ('felix', 'Felix'), ('fish', 'Fish'), ('fortran', 'Fortran'), ('fortranfixed', 'FortranFixed'), ('foxpro', 'FoxPro'), ('fsharp', 'FSharp'), ('gap', 'GAP'), ('gas', 'GAS'), ('genshi', 'Genshi'), ('genshitext', 'Genshi Text'), ('glsl', 'GLSL'), ('gnuplot', 'Gnuplot'), ('go', 'Go'), ('golo', 'Golo'), ('gooddata-cl', 'GoodData-CL'), ('gosu', 'Gosu'), ('groff', 'Groff'), ('groovy', 'Groovy'), ('gst', 'Gosu Template'), ('haml', 'Haml'), ('handlebars', 'Handlebars'), ('haskell', 'Haskell'), ('haxeml', 'Hxml'), ('hexdump', 'Hexdump'), ('html', 'HTML'), ('html+cheetah', 'HTML+Cheetah'), ('html+django', 'HTML+Django/Jinja'), ('html+evoque', 'HTML+Evoque'), ('html+genshi', 'HTML+Genshi'), ('html+handlebars', 'HTML+Handlebars'), ('html+lasso', 'HTML+Lasso'), ('html+mako', 'HTML+Mako'), ('html+myghty', 'HTML+Myghty'), ('html+php', 'HTML+PHP'), ('html+smarty', 'HTML+Smarty'), ('html+twig', 'HTML+Twig'), ('html+velocity', 'HTML+Velocity'), ('http', 'HTTP'), ('hx', 'Haxe'), ('hybris', 'Hybris'), ('hylang', 'Hy'), ('i6t', 'Inform 6 template'), ('idl', 'IDL'), ('idris', 'Idris'), ('iex', 'Elixir iex session'), ('igor', 'Igor'), ('inform6', 'Inform 6'), ('inform7', 'Inform 7'), ('ini', 'INI'), ('io', 'Io'), ('ioke', 'Ioke'), ('irc', 'IRC logs'), ('isabelle', 'Isabelle'), ('j', 'J'), ('jade', 'Jade'), ('jags', 'JAGS'), ('jasmin', 'Jasmin'), ('java', 'Java'), ('javascript+mozpreproc', 'Javascript+mozpreproc'), ('jcl', 'JCL'), ('jlcon', 'Julia console'), ('js', 'JavaScript'), ('js+cheetah', 'JavaScript+Cheetah'), ('js+django', 'JavaScript+Django/Jinja'), ('js+erb', 'JavaScript+Ruby'), ('js+genshitext', 'JavaScript+Genshi Text'), ('js+lasso', 'JavaScript+Lasso'), ('js+mako', 'JavaScript+Mako'), ('js+myghty', 'JavaScript+Myghty'), ('js+php', 'JavaScript+PHP'), ('js+smarty', 'JavaScript+Smarty'), ('json', 'JSON'), ('jsonld', 'JSON-LD'), ('jsp', 'Java Server Page'), ('julia', 'Julia'), ('kal', 'Kal'), ('kconfig', 'Kconfig'), ('koka', 'Koka'), ('kotlin', 'Kotlin'), ('lagda', 'Literate Agda'), ('lasso', 'Lasso'), ('lcry', 'Literate Cryptol'), ('lean', 'Lean'), ('less', 'LessCss'), ('lhs', 'Literate Haskell'), ('lidr', 'Literate Idris'), ('lighty', 'Lighttpd configuration file'), ('limbo', 'Limbo'), ('liquid', 'liquid'), ('live-script', 'LiveScript'), ('llvm', 'LLVM'), ('logos', 'Logos'), ('logtalk', 'Logtalk'), ('lsl', 'LSL'), ('lua', 'Lua'), ('make', 'Makefile'), ('mako', 'Mako'), ('maql', 'MAQL'), ('mask', 'Mask'), ('mason', 'Mason'), ('mathematica', 'Mathematica'), ('matlab', 'Matlab'), ('matlabsession', 'Matlab session'), ('minid', 'MiniD'), ('modelica', 'Modelica'), ('modula2', 'Modula-2'), ('monkey', 'Monkey'), ('moocode', 'MOOCode'), ('moon', 'MoonScript'), ('mozhashpreproc', 'mozhashpreproc'), ('mozpercentpreproc', 'mozpercentpreproc'), ('mql', 'MQL'), ('mscgen', 'Mscgen'), ('mupad', 'MuPAD'), ('mxml', 'MXML'), ('myghty', 'Myghty'), ('mysql', 'MySQL'), ('nasm', 'NASM'), ('nemerle', 'Nemerle'), ('nesc', 'nesC'), ('newlisp', 'NewLisp'), ('newspeak', 'Newspeak'), ('nginx', 'Nginx configuration file'), ('nimrod', 'Nimrod'), ('nit', 'Nit'), ('nixos', 'Nix'), ('nsis', 'NSIS'), ('numpy', 'NumPy'), ('objdump', 'objdump'), ('objdump-nasm', 'objdump-nasm'), ('objective-c', 'Objective-C'), ('objective-c++', 'Objective-C++'), ('objective-j', 'Objective-J'), ('ocaml', 'OCaml'), ('octave', 'Octave'), ('odin', 'ODIN'), ('ooc', 'Ooc'), ('opa', 'Opa'), ('openedge', 'OpenEdge ABL'), ('pacmanconf', 'PacmanConf'), ('pan', 'Pan'), ('parasail', 'ParaSail'), ('pawn', 'Pawn'), ('perl', 'Perl'), ('perl6', 'Perl6'), ('php', 'PHP'), ('pig', 'Pig'), ('pike', 'Pike'), ('pkgconfig', 'PkgConfig'), ('plpgsql', 'PL/pgSQL'), ('postgresql', 'PostgreSQL SQL dialect'), ('postscript', 'PostScript'), ('pot', 'Gettext Catalog'), ('pov', 'POVRay'), ('powershell', 'PowerShell'), ('praat', 'Praat'), ('prolog', 'Prolog'), ('properties', 'Properties'), ('protobuf', 'Protocol Buffer'), ('ps1con', 'PowerShell Session'), ('psql', 'PostgreSQL console (psql)'), ('puppet', 'Puppet'), ('py3tb', 'Python 3.0 Traceback'), ('pycon', 'Python console session'), ('pypylog', 'PyPy Log'), ('pytb', 'Python Traceback'), ('python', 'Python'), ('python3', 'Python 3'), ('qbasic', 'QBasic'), ('qml', 'QML'), ('qvto', 'QVTO'), ('racket', 'Racket'), ('ragel', 'Ragel'), ('ragel-c', 'Ragel in C Host'), ('ragel-cpp', 'Ragel in CPP Host'), ('ragel-d', 'Ragel in D Host'), ('ragel-em', 'Embedded Ragel'), ('ragel-java', 'Ragel in Java Host'), ('ragel-objc', 'Ragel in Objective C Host'), ('ragel-ruby', 'Ragel in Ruby Host'), ('raw', 'Raw token data'), ('rb', 'Ruby'), ('rbcon', 'Ruby irb session'), ('rconsole', 'RConsole'), ('rd', 'Rd'), ('rebol', 'REBOL'), ('red', 'Red'), ('redcode', 'Redcode'), ('registry', 'reg'), ('resource', 'ResourceBundle'), ('rexx', 'Rexx'), ('rhtml', 'RHTML'), ('roboconf-graph', 'Roboconf Graph'), ('roboconf-instances', 'Roboconf Instances'), ('robotframework', 'RobotFramework'), ('rql', 'RQL'), ('rsl', 'RSL'), ('rst', 'reStructuredText'), ('rts', 'TrafficScript'), ('rust', 'Rust'), ('sass', 'Sass'), ('sc', 'SuperCollider'), ('scala', 'Scala'), ('scaml', 'Scaml'), ('scheme', 'Scheme'), ('scilab', 'Scilab'), ('scss', 'SCSS'), ('shen', 'Shen'), ('slim', 'Slim'), ('smali', 'Smali'), ('smalltalk', 'Smalltalk'), ('smarty', 'Smarty'), ('sml', 'Standard ML'), ('snobol', 'Snobol'), ('sourceslist', 'Debian Sourcelist'), ('sp', 'SourcePawn'), ('sparql', 'SPARQL'), ('spec', 'RPMSpec'), ('splus', 'S'), ('sql', 'SQL'), ('sqlite3', 'sqlite3con'), ('squidconf', 'SquidConf'), ('ssp', 'Scalate Server Page'), ('stan', 'Stan'), ('swift', 'Swift'), ('swig', 'SWIG'), ('systemverilog', 'systemverilog'), ('tads3', 'TADS 3'), ('tap', 'TAP'), ('tcl', 'Tcl'), ('tcsh', 'Tcsh'), ('tcshcon', 'Tcsh Session'), ('tea', 'Tea'), ('termcap', 'Termcap'), ('terminfo', 'Terminfo'), ('terraform', 'Terraform'), ('tex', 'TeX'), ('text', 'Text only'), ('thrift', 'Thrift'), ('todotxt', 'Todotxt'), ('trac-wiki', 'MoinMoin/Trac Wiki markup'), ('treetop', 'Treetop'), ('ts', 'TypeScript'), ('turtle', 'Turtle'), ('twig', 'Twig'), ('urbiscript', 'UrbiScript'), ('vala', 'Vala'), ('vb.net', 'VB.net'), ('vctreestatus', 'VCTreeStatus'), ('velocity', 'Velocity'), ('verilog', 'verilog'), ('vgl', 'VGL'), ('vhdl', 'vhdl'), ('vim', 'VimL'), ('x10', 'X10'), ('xml', 'XML'), ('xml+cheetah', 'XML+Cheetah'), ('xml+django', 'XML+Django/Jinja'), ('xml+erb', 'XML+Ruby'), ('xml+evoque', 'XML+Evoque'), ('xml+lasso', 'XML+Lasso'), ('xml+mako', 'XML+Mako'), ('xml+myghty', 'XML+Myghty'), ('xml+php', 'XML+PHP'), ('xml+smarty', 'XML+Smarty'), ('xml+velocity', 'XML+Velocity'), ('xquery', 'XQuery'), ('xslt', 'XSLT'), ('xtend', 'Xtend'), ('xul+mozpreproc', 'XUL+mozpreproc'), ('yaml', 'YAML'), ('yaml+jinja', 'YAML+Jinja'), ('zephir', 'Zephir')], default='python') style = ChoiceField(choices=[('algol', 'algol'), ('algol_nu', 'algol_nu'), ('autumn', 'autumn'), ('borland', 'borland'), ('bw', 'bw'), ('colorful', 'colorful'), ('default', 'default'), ('emacs', 'emacs'), ('friendly', 'friendly'), ('fruity', 'fruity'), ('igor', 'igor'), ('lovelace', 'lovelace'), ('manni', 'manni'), ('monokai', 'monokai'), ('murphy', 'murphy'), ('native', 'native'), ('paraiso-dark', 'paraiso-dark'), ('paraiso-light', 'paraiso-light'), ('pastie', 'pastie'), ('perldoc', 'perldoc'), ('rrt', 'rrt'), ('tango', 'tango'), ('trac', 'trac'), ('vim', 'vim'), ('vs', 'vs'), ('xcode', 'xcode')], default='friendly') >>> print(serializer.data) {'style': 'friendly', 'code': 'print "Hello,Jason" ', 'language': 'python', 'linenos': False, 'id': 2, 'title': ''} >>> content = JSONRenderer().render(serializer.data) >>> content b'{"id":2,"title":"","code":"print \"Hello,Jason\"\n","linenos":false,"language":"python","style":"friendly"}'
>>> from django.utils.six import BytesIO >>> stream = BytesIO(content) >>> data = JSONParser().parse(stream) >>> print(data) {'style': 'friendly', 'code': 'print "Hello,Jason" ', 'language': 'python', 'linenos': False, 'id': 2, 'title': ''} >>> serializer = SnippetSerializer(data=data) >>> serializer.is_valid() True >>> serializer.validated_data OrderedDict([('title', ''), ('code', 'print "Hello,Jason"'), ('linenos', False), ('language', 'python'), ('style', 'friendly')]) >>> print(serializer) SnippetSerializer(data={'style': 'friendly', 'code': 'print "Hello,Jason" ', 'language': 'python', 'linenos': False, 'id': 2, 'title': ''}): id = IntegerField(read_only=True) title = CharField(allow_blank=True, max_length=100, required=False) code = CharField(style={'base_template': 'textarea.html'}) linenos = BooleanField(required=False) language = ChoiceField(choices=[('abap', 'ABAP'), ('abnf', 'ABNF'), ('ada', 'Ada'), ('adl', 'ADL'), ('agda', 'Agda'), ('ahk', 'autohotkey'), ('alloy', 'Alloy'), ('antlr', 'ANTLR'), ('antlr-as', 'ANTLR With ActionScript Target'), ('antlr-cpp', 'ANTLR With CPP Target'), ('antlr-csharp', 'ANTLR With C# Target'), ('antlr-java', 'ANTLR With Java Target'), ('antlr-objc', 'ANTLR With ObjectiveC Target'), ('antlr-perl', 'ANTLR With Perl Target'), ('antlr-python', 'ANTLR With Python Target'), ('antlr-ruby', 'ANTLR With Ruby Target'), ('apacheconf', 'ApacheConf'), ('apl', 'APL'), ('applescript', 'AppleScript'), ('arduino', 'Arduino'), ('as', 'ActionScript'), ('as3', 'ActionScript 3'), ('aspectj', 'AspectJ'), ('aspx-cs', 'aspx-cs'), ('aspx-vb', 'aspx-vb'), ('asy', 'Asymptote'), ('at', 'AmbientTalk'), ('autoit', 'AutoIt'), ('awk', 'Awk'), ('basemake', 'Base Makefile'), ('bash', 'Bash'), ('bat', 'Batchfile'), ('bbcode', 'BBCode'), ('bc', 'BC'), ('befunge', 'Befunge'), ('blitzbasic', 'BlitzBasic'), ('blitzmax', 'BlitzMax'), ('bnf', 'BNF'), ('boo', 'Boo'), ('boogie', 'Boogie'), ('brainfuck', 'Brainfuck'), ('bro', 'Bro'), ('bugs', 'BUGS'), ('c', 'C'), ('c-objdump', 'c-objdump'), ('ca65', 'ca65 assembler'), ('cadl', 'cADL'), ('camkes', 'CAmkES'), ('cbmbas', 'CBM BASIC V2'), ('ceylon', 'Ceylon'), ('cfc', 'Coldfusion CFC'), ('cfengine3', 'CFEngine3'), ('cfm', 'Coldfusion HTML'), ('cfs', 'cfstatement'), ('chai', 'ChaiScript'), ('chapel', 'Chapel'), ('cheetah', 'Cheetah'), ('cirru', 'Cirru'), ('clay', 'Clay'), ('clojure', 'Clojure'), ('clojurescript', 'ClojureScript'), ('cmake', 'CMake'), ('cobol', 'COBOL'), ('cobolfree', 'COBOLFree'), ('coffee-script', 'CoffeeScript'), ('common-lisp', 'Common Lisp'), ('componentpascal', 'Component Pascal'), ('console', 'Bash Session'), ('control', 'Debian Control file'), ('coq', 'Coq'), ('cpp', 'C++'), ('cpp-objdump', 'cpp-objdump'), ('cpsa', 'CPSA'), ('crmsh', 'Crmsh'), ('croc', 'Croc'), ('cryptol', 'Cryptol'), ('csharp', 'C#'), ('csound', 'Csound Orchestra'), ('csound-document', 'Csound Document'), ('csound-score', 'Csound Score'), ('css', 'CSS'), ('css+django', 'CSS+Django/Jinja'), ('css+erb', 'CSS+Ruby'), ('css+genshitext', 'CSS+Genshi Text'), ('css+lasso', 'CSS+Lasso'), ('css+mako', 'CSS+Mako'), ('css+mozpreproc', 'CSS+mozpreproc'), ('css+myghty', 'CSS+Myghty'), ('css+php', 'CSS+PHP'), ('css+smarty', 'CSS+Smarty'), ('cucumber', 'Gherkin'), ('cuda', 'CUDA'), ('cypher', 'Cypher'), ('cython', 'Cython'), ('d', 'D'), ('d-objdump', 'd-objdump'), ('dart', 'Dart'), ('delphi', 'Delphi'), ('dg', 'dg'), ('diff', 'Diff'), ('django', 'Django/Jinja'), ('docker', 'Docker'), ('doscon', 'MSDOS Session'), ('dpatch', 'Darcs Patch'), ('dtd', 'DTD'), ('duel', 'Duel'), ('dylan', 'Dylan'), ('dylan-console', 'Dylan session'), ('dylan-lid', 'DylanLID'), ('earl-grey', 'Earl Grey'), ('easytrieve', 'Easytrieve'), ('ebnf', 'EBNF'), ('ec', 'eC'), ('ecl', 'ECL'), ('eiffel', 'Eiffel'), ('elixir', 'Elixir'), ('elm', 'Elm'), ('emacs', 'EmacsLisp'), ('erb', 'ERB'), ('erl', 'Erlang erl session'), ('erlang', 'Erlang'), ('evoque', 'Evoque'), ('ezhil', 'Ezhil'), ('factor', 'Factor'), ('fan', 'Fantom'), ('fancy', 'Fancy'), ('felix', 'Felix'), ('fish', 'Fish'), ('fortran', 'Fortran'), ('fortranfixed', 'FortranFixed'), ('foxpro', 'FoxPro'), ('fsharp', 'FSharp'), ('gap', 'GAP'), ('gas', 'GAS'), ('genshi', 'Genshi'), ('genshitext', 'Genshi Text'), ('glsl', 'GLSL'), ('gnuplot', 'Gnuplot'), ('go', 'Go'), ('golo', 'Golo'), ('gooddata-cl', 'GoodData-CL'), ('gosu', 'Gosu'), ('groff', 'Groff'), ('groovy', 'Groovy'), ('gst', 'Gosu Template'), ('haml', 'Haml'), ('handlebars', 'Handlebars'), ('haskell', 'Haskell'), ('haxeml', 'Hxml'), ('hexdump', 'Hexdump'), ('html', 'HTML'), ('html+cheetah', 'HTML+Cheetah'), ('html+django', 'HTML+Django/Jinja'), ('html+evoque', 'HTML+Evoque'), ('html+genshi', 'HTML+Genshi'), ('html+handlebars', 'HTML+Handlebars'), ('html+lasso', 'HTML+Lasso'), ('html+mako', 'HTML+Mako'), ('html+myghty', 'HTML+Myghty'), ('html+php', 'HTML+PHP'), ('html+smarty', 'HTML+Smarty'), ('html+twig', 'HTML+Twig'), ('html+velocity', 'HTML+Velocity'), ('http', 'HTTP'), ('hx', 'Haxe'), ('hybris', 'Hybris'), ('hylang', 'Hy'), ('i6t', 'Inform 6 template'), ('idl', 'IDL'), ('idris', 'Idris'), ('iex', 'Elixir iex session'), ('igor', 'Igor'), ('inform6', 'Inform 6'), ('inform7', 'Inform 7'), ('ini', 'INI'), ('io', 'Io'), ('ioke', 'Ioke'), ('irc', 'IRC logs'), ('isabelle', 'Isabelle'), ('j', 'J'), ('jade', 'Jade'), ('jags', 'JAGS'), ('jasmin', 'Jasmin'), ('java', 'Java'), ('javascript+mozpreproc', 'Javascript+mozpreproc'), ('jcl', 'JCL'), ('jlcon', 'Julia console'), ('js', 'JavaScript'), ('js+cheetah', 'JavaScript+Cheetah'), ('js+django', 'JavaScript+Django/Jinja'), ('js+erb', 'JavaScript+Ruby'), ('js+genshitext', 'JavaScript+Genshi Text'), ('js+lasso', 'JavaScript+Lasso'), ('js+mako', 'JavaScript+Mako'), ('js+myghty', 'JavaScript+Myghty'), ('js+php', 'JavaScript+PHP'), ('js+smarty', 'JavaScript+Smarty'), ('json', 'JSON'), ('jsonld', 'JSON-LD'), ('jsp', 'Java Server Page'), ('julia', 'Julia'), ('kal', 'Kal'), ('kconfig', 'Kconfig'), ('koka', 'Koka'), ('kotlin', 'Kotlin'), ('lagda', 'Literate Agda'), ('lasso', 'Lasso'), ('lcry', 'Literate Cryptol'), ('lean', 'Lean'), ('less', 'LessCss'), ('lhs', 'Literate Haskell'), ('lidr', 'Literate Idris'), ('lighty', 'Lighttpd configuration file'), ('limbo', 'Limbo'), ('liquid', 'liquid'), ('live-script', 'LiveScript'), ('llvm', 'LLVM'), ('logos', 'Logos'), ('logtalk', 'Logtalk'), ('lsl', 'LSL'), ('lua', 'Lua'), ('make', 'Makefile'), ('mako', 'Mako'), ('maql', 'MAQL'), ('mask', 'Mask'), ('mason', 'Mason'), ('mathematica', 'Mathematica'), ('matlab', 'Matlab'), ('matlabsession', 'Matlab session'), ('minid', 'MiniD'), ('modelica', 'Modelica'), ('modula2', 'Modula-2'), ('monkey', 'Monkey'), ('moocode', 'MOOCode'), ('moon', 'MoonScript'), ('mozhashpreproc', 'mozhashpreproc'), ('mozpercentpreproc', 'mozpercentpreproc'), ('mql', 'MQL'), ('mscgen', 'Mscgen'), ('mupad', 'MuPAD'), ('mxml', 'MXML'), ('myghty', 'Myghty'), ('mysql', 'MySQL'), ('nasm', 'NASM'), ('nemerle', 'Nemerle'), ('nesc', 'nesC'), ('newlisp', 'NewLisp'), ('newspeak', 'Newspeak'), ('nginx', 'Nginx configuration file'), ('nimrod', 'Nimrod'), ('nit', 'Nit'), ('nixos', 'Nix'), ('nsis', 'NSIS'), ('numpy', 'NumPy'), ('objdump', 'objdump'), ('objdump-nasm', 'objdump-nasm'), ('objective-c', 'Objective-C'), ('objective-c++', 'Objective-C++'), ('objective-j', 'Objective-J'), ('ocaml', 'OCaml'), ('octave', 'Octave'), ('odin', 'ODIN'), ('ooc', 'Ooc'), ('opa', 'Opa'), ('openedge', 'OpenEdge ABL'), ('pacmanconf', 'PacmanConf'), ('pan', 'Pan'), ('parasail', 'ParaSail'), ('pawn', 'Pawn'), ('perl', 'Perl'), ('perl6', 'Perl6'), ('php', 'PHP'), ('pig', 'Pig'), ('pike', 'Pike'), ('pkgconfig', 'PkgConfig'), ('plpgsql', 'PL/pgSQL'), ('postgresql', 'PostgreSQL SQL dialect'), ('postscript', 'PostScript'), ('pot', 'Gettext Catalog'), ('pov', 'POVRay'), ('powershell', 'PowerShell'), ('praat', 'Praat'), ('prolog', 'Prolog'), ('properties', 'Properties'), ('protobuf', 'Protocol Buffer'), ('ps1con', 'PowerShell Session'), ('psql', 'PostgreSQL console (psql)'), ('puppet', 'Puppet'), ('py3tb', 'Python 3.0 Traceback'), ('pycon', 'Python console session'), ('pypylog', 'PyPy Log'), ('pytb', 'Python Traceback'), ('python', 'Python'), ('python3', 'Python 3'), ('qbasic', 'QBasic'), ('qml', 'QML'), ('qvto', 'QVTO'), ('racket', 'Racket'), ('ragel', 'Ragel'), ('ragel-c', 'Ragel in C Host'), ('ragel-cpp', 'Ragel in CPP Host'), ('ragel-d', 'Ragel in D Host'), ('ragel-em', 'Embedded Ragel'), ('ragel-java', 'Ragel in Java Host'), ('ragel-objc', 'Ragel in Objective C Host'), ('ragel-ruby', 'Ragel in Ruby Host'), ('raw', 'Raw token data'), ('rb', 'Ruby'), ('rbcon', 'Ruby irb session'), ('rconsole', 'RConsole'), ('rd', 'Rd'), ('rebol', 'REBOL'), ('red', 'Red'), ('redcode', 'Redcode'), ('registry', 'reg'), ('resource', 'ResourceBundle'), ('rexx', 'Rexx'), ('rhtml', 'RHTML'), ('roboconf-graph', 'Roboconf Graph'), ('roboconf-instances', 'Roboconf Instances'), ('robotframework', 'RobotFramework'), ('rql', 'RQL'), ('rsl', 'RSL'), ('rst', 'reStructuredText'), ('rts', 'TrafficScript'), ('rust', 'Rust'), ('sass', 'Sass'), ('sc', 'SuperCollider'), ('scala', 'Scala'), ('scaml', 'Scaml'), ('scheme', 'Scheme'), ('scilab', 'Scilab'), ('scss', 'SCSS'), ('shen', 'Shen'), ('slim', 'Slim'), ('smali', 'Smali'), ('smalltalk', 'Smalltalk'), ('smarty', 'Smarty'), ('sml', 'Standard ML'), ('snobol', 'Snobol'), ('sourceslist', 'Debian Sourcelist'), ('sp', 'SourcePawn'), ('sparql', 'SPARQL'), ('spec', 'RPMSpec'), ('splus', 'S'), ('sql', 'SQL'), ('sqlite3', 'sqlite3con'), ('squidconf', 'SquidConf'), ('ssp', 'Scalate Server Page'), ('stan', 'Stan'), ('swift', 'Swift'), ('swig', 'SWIG'), ('systemverilog', 'systemverilog'), ('tads3', 'TADS 3'), ('tap', 'TAP'), ('tcl', 'Tcl'), ('tcsh', 'Tcsh'), ('tcshcon', 'Tcsh Session'), ('tea', 'Tea'), ('termcap', 'Termcap'), ('terminfo', 'Terminfo'), ('terraform', 'Terraform'), ('tex', 'TeX'), ('text', 'Text only'), ('thrift', 'Thrift'), ('todotxt', 'Todotxt'), ('trac-wiki', 'MoinMoin/Trac Wiki markup'), ('treetop', 'Treetop'), ('ts', 'TypeScript'), ('turtle', 'Turtle'), ('twig', 'Twig'), ('urbiscript', 'UrbiScript'), ('vala', 'Vala'), ('vb.net', 'VB.net'), ('vctreestatus', 'VCTreeStatus'), ('velocity', 'Velocity'), ('verilog', 'verilog'), ('vgl', 'VGL'), ('vhdl', 'vhdl'), ('vim', 'VimL'), ('x10', 'X10'), ('xml', 'XML'), ('xml+cheetah', 'XML+Cheetah'), ('xml+django', 'XML+Django/Jinja'), ('xml+erb', 'XML+Ruby'), ('xml+evoque', 'XML+Evoque'), ('xml+lasso', 'XML+Lasso'), ('xml+mako', 'XML+Mako'), ('xml+myghty', 'XML+Myghty'), ('xml+php', 'XML+PHP'), ('xml+smarty', 'XML+Smarty'), ('xml+velocity', 'XML+Velocity'), ('xquery', 'XQuery'), ('xslt', 'XSLT'), ('xtend', 'Xtend'), ('xul+mozpreproc', 'XUL+mozpreproc'), ('yaml', 'YAML'), ('yaml+jinja', 'YAML+Jinja'), ('zephir', 'Zephir')], default='python') style = ChoiceField(choices=[('algol', 'algol'), ('algol_nu', 'algol_nu'), ('autumn', 'autumn'), ('borland', 'borland'), ('bw', 'bw'), ('colorful', 'colorful'), ('default', 'default'), ('emacs', 'emacs'), ('friendly', 'friendly'), ('fruity', 'fruity'), ('igor', 'igor'), ('lovelace', 'lovelace'), ('manni', 'manni'), ('monokai', 'monokai'), ('murphy', 'murphy'), ('native', 'native'), ('paraiso-dark', 'paraiso-dark'), ('paraiso-light', 'paraiso-light'), ('pastie', 'pastie'), ('perldoc', 'perldoc'), ('rrt', 'rrt'), ('tango', 'tango'), ('trac', 'trac'), ('vim', 'vim'), ('vs', 'vs'), ('xcode', 'xcode')], default='friendly') >>> serializer.save() <Snippet: Snippet object>