Django dumpdata format. py dumpdata -a > dump.

Django dumpdata format Models and databases. python 3. core. json About This is an extension of django's built-in batch file "dumpdata". pg_restore is available on any postgresql installation but django and it's dependencies you will have to install. File_format может иметь значения json, jsonl, xml и yaml. py dumpdata --natural-foreign --exclude=contenttypes --> data. loaddata 命令 Django 的 “dumpdata” 还是 Postgres 的 “pg_dump” 在本文中，我们将介绍 Django 的 “dumpdata” 和 Postgres 的 “pg_dump” 这两种常用的数据库备份工具。无论是在开发环境还是在生产环境中，备份数据库是非常重要的，以确保数据的安全性和可恢复性。 Jan 26, 2010 · django-admin. Jan 29, 2025 · python manage. py和他功能相同，但它是django-admin创建项目时为每一个项目创建的管理程序 注意： django-admin 和 manage. gis. json -rw-r--r-- 1 boris boris 77M Мар 10 17:50 dump. <third table name>. user > users. py dumpdata myapp. py dumpdata -a > dump. 导出数据dumpdata 命令这个是Django自带的管理命令，可以用来备份你的模型实例和数据库dumpdata 基本数据 Django 的 'dumpdata' 还是 Postgres 的 'pg_dump' 在本文中，我们将介绍 Django 中的 'dumpdata' 命令和 Postgres 数据库的 'pg_dump' 命令，以及它们在数据备份和迁移方面的应用。 阅读更多：Django 教程 Django 的 'dumpdata' 命令 'Django' 是一个基于 Python 的开发框架，用于构建 Aug 25, 2023 · Although JSON is the default format for Django fixtures, you can specify another format like YAML or XML using the --format flag: python manage. json . . Oct 9, 2023 · A fixture is a collection of files that contain the serialized content of the database, which can be in JSON or XML format. py dumpdata --format=json --indent=4 --natural auth. xml 通过上述命令，将数据库中的数据导出为XML格式，并保存在名为data. Nov 12, 2024 · python manage. py dumpdata --format xml winereport Unable to serialize database: 'ascii' codec can't decode byte 0xc3 in position 1: ordinal not in range(128) Oldest first Newest first Threaded En général, ces autres formats sont basés sur du texte et utilisés pour envoyer des données de Django à travers le réseau, mais il est possible qu’un sérialiseur prenne en charge n’importe quel format (basé sur du texte ou non). py dumpdata --format xml --some-more-parameters to export a full dump of the database to xml. json I din't think that it is ok. I'm also using an indent of 2 spaces to make the file Feb 25, 2007 · One thing you can do with django is write test cases so I might add some tests to check these boundary cases. 1 and greater, the Django dumpdata management command allows you to dump data from individual tables: . py dumpdata --format xml > data. For people who, like me, need to edit the fixtures manually, it would be very useful to be able to do something like: python manage. * dumpdata data를 json형태로 담아둡니다. xml If you want to avoid integrrity errors, dumpdata by exlcuding following. py ，django-admin 在未设置环境变量 DJANGO Jun 16, 2021 · Time zone support is disabled by default. Permission >. json中得到的数据，Unicode数据如下所示：. Also, dumpdata doesn't flush data on disk while working data flush only at May 19, 2022 · Dumpdata komutu varsayılan olarak JSON formatında çıktı üretir. Sometimes, you want to move some common data from a test database to the production database. dumpdata 명령어. For example: python manage. python manage. docker compose exec python python manage. Importing the data back into the db with pg_restore will also be faster than django's loaddata. py dumpdata > mydata. 7 sqlite - Делаю дамп базы данных в pycharm командой python manage. Si aucun nom d’application n’est indiqué, le contenu de toutes les applications installées est affiché. json, paste with the OS clipboard (which, thankfully, can copy a few MB of data), and then django-admin loaddata data. management import call_command settings. 185c185 < queryset = objects. yaml DEBUG:asyncio:Using selector: EpollSelector [. py dumpdata <app name>. py dumpdata app. json Then i have error: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xff in position 0: invalid start byte Then when i opened this database by Notepad then it shown me that its encoded in UCS-2 LE BOM, how I can save dumpdata in UTF-8 language? Jun 11, 2019 · django 启动前数据库先加载数据以及使用 django 导出数据(djnago dumpdata and loaddata) 相信很多童鞋在工作中使用 django 会遇到这样的场景，在我们启动服务之前需要先在数据库导入一些必要数据为服务提供支撑，我们通常叫这类数据文件统称为种子文件 django 其实也给我们提供类似的功能，django dumpdata Jun 29, 2016 · pg_dump is faster and the output is more compact (particularly with the -Fc option) than with dumpdata. Thanks and Regards Where Django looks for fixtures?¶ Django will search in these locations for fixtures: In the fixtures directory of every installed application. The question is how I can convert a . Apparently this is not a known format for Django loaddata. Try to dump something via dumpdata to see how the data should look like and edit your fixtures accordingly, or create a custom command for loading the format of data you have. py dumpdata blog. py dumpdata --format=json --indent=2 --exclude=admin --exclude=sessions > test_db. Index, Module Index, or Table of Contents Handy when looking for specific information. jsonl. py dumpdata product. 4k次。Django dumpdata and loaddata目录dumpdata 命令 dumpdata 基本数据库的转存 dumpdata 备份特定的 app dumpdata 备份特定的表 dumpdata (--exclude) dumpdata (--format) loaddata 命令 迁移数据到新的数据库一. py script has a dumpdata command to export part or all of your application database to a file. py dumpdata yourapp可以为此目的转储。. json file content into the database. To enable it, set USE_TZ = True in your settings file. Django dumpdata与UTF-8（Unicode） 在默认情况下，Django的dumpdata命令会以UTF-8（Unicode）编码导出数据。 Jan 7, 2014 · Im using a puython script to dumpdata to a json file, and then from there convert it to csv. xml Feb 12, 2024 · python manage. Using Django. Локальный компьютер - windows 10, система изначально установлена на английском языке. 542s root@812e9c4b1e07 Jan 11, 2018 · So I have this awesome Django app which gives me satisfaction and such. json The options:--all: dumps the records even if you use a custom manager on the model Feb 11, 2022 · $ django-admin dumpdata [app_label[. Django Discord Server Join the Django Discord Community. You can specify which “apps” and which “tables” to dump; The data is in JSON format, which is human readable. # limodou (on March 15, 2007): because I using python repr() to dump the python data type, so I think there is no problem for ''"&' string etc. You can specify the format using the --format option. Apr 25, 2017 · I use manage. py dumpdata Apr 5, 2023 · Переношу django проект на сервер. 07 python manage. user –indent 2 –format xml > user. py dumpdata --format jsonl some_table | bzip2 > value. Following command will dump only the content in django admin. Oct 25, 2010 · $ python manage. json Load Table Data python manage. py dumpdata app_label1 app_label2. xml Restore Data with loaddata Mar 18, 2019 · I created dumpdata but when i try to load this by using command: py manage. py dumpdata --format=json --indent=4 appname @Matthew Schinckel is closest on this. utils. There are many useful options described in the django-admin dumpdata documentation. 3 2:54. User --indent 4 > users. py dumpdata app_name. Let you know when I'm done. You can specify the format using --format option. py 虽然共有绝大部分命令，但是建议对项目操作时使用 manage. This is nifty for testing purposes, unless your schema is a moving target. json 특정 앱의 데이터만 백업할때 May 2, 2022 · I've been trying to create a fixture of a table, but it's always been failing with the following message: CommandError: Unable to serialize database: __str__ returned non-string (type method). Django's dumpdata supports different serialization formats, including JSON (default), XML, and YAML. py loaddata langs. CompanyLanguage > langs. model_name Sep 16, 2011 · python manage. Based on that my command should be, python manage. 9. ContentType(pk=19): duplicate key value violates unique constraint "django_content_type_app_label_76bd3d3b_uniq" DETAIL: Key (app_label, model)=(misuper, stockitem) already exists. ModelName] $ manage. Now, I am in a situation where I need to call this command using the call_command method. py dumpdata --indent 2 --exclude auth. Does anyone have any tip on how to make a multi part export and import with dumpdata and loaddata in django ? I have mainly an app that take the most size so i can separate by app. This command will add the user. yaml Feb 15, 2019 · . json and it saves the json file. Nov 16, 2018 · django-admin是Django的用于管理任务的命令行实用程序，manage. json-- ugh Sep 28, 2010 · I used the following commands to generate 2 fixtures: . Here's the canonical definition: django-admin dumpdata [app_label[. ModelName] ]] 👤simplyharsh[Django]-Adding a user to a group in Dec 7, 2009 · You don't want to serialize. json New DB Jan 14, 2021 · 文章浏览阅读1. /tmp/auth_permission. loaddata 命令 May 14, 2023 · We actually solved this problem by copying the original dumpdata. json file. Unable to serialize database: 'ascii' codec can't decode byte 0xc3 in position 0: ordinal not in range(128) Jul 18, 2022 · Django 数据库迁移数据 dumpdata loaddata 命令，djangodumpdataDjangodumpdata是django自带的管理命令，可以用来备份你的模型实例和数据库##dumpdata#整个django使用到的数据库转存到db. Product > product_data. timezone. json This example excludes the default Django User model. " Jun 16, 2021 · Djangoコマンドの大きなメリットは2つあります。 1つ目はDjangoによって、使用データベースの差異を吸収できる点です。 では例を元にアプローチを見てみましょう。 Djangoアプリケーションではじめのうちは mysql データベース Serializing Django objects¶. core import serializers csvdata = serializers. permission --exclude contenttypes &gt; db Sep 14, 2018 · Django dumpdata UTF-8(Unicode) - 有没有简单的方法来从数据库转储UTF-8数据？ 我知道这个命令： manage. xml 이 명령어는 Post 모델의 데이터를 XML 형식으로 data. bz2 It should be noted that Django's dump utility performs significantly worse than the DBMS' dumping tools. user --indent 2 > user. py loaddata myfixtures. Feb 16, 2016 · You could try creating a serializers. user --indent 2 --format xml > user. permission --exclude contenttypes > db. Following command will dump the content in django admin app intoadmin. Django’s serialization framework provides a mechanism for “translating” Django models into other formats. Then if I do. csv from django. Fixtures; Getting help FAQ Try the FAQ — it's got answers to many common questions. py dumpdata > db. modelname[1:101] > test. ModelName --format=yaml Dec 11, 2013 · Im trying to do a dump data from a script like this: from django. py dumpdata customer. logentrytable. Both return the following error: Apr 13, 2014 · . What might be easier in this case (and if you only need a few users) is to create some fake user accounts through the admin (including passwords) and then dump the users to a fixtures file using dumpdata: $ python manage. permission --exclude contenttypes --format=yaml --output db_20201201_1730. Aug 15, 2024 · This article is about this situation but towards the end, we will use dumpdata to compare manual and dumpdata output. appname. So my app name is catalogue and the third table name is AggregationFunctions_aggregation_category. json中(备份特定的app)py Jan 17, 2023 · Django에서 DB를 옮길 때 편하게 사용할 수 있는 기능입니다. xml 파일에 저장한다. 名前を指定したアプリケーションと関連するデータベースの中のすべてのデータを、標準出力にアウトプットします。 Feb 4, 2025 · Django提供了dumpdata和loaddata命令来实现这一功能。本文将详细介绍如何使用这些命令来导出单个模型的数据。 使用dumpdata命令导出数据. yaml ファイル→データベース python manage. Step 6: Review the Dumped Data dumpdata ¶ django-admin dumpdata [app_label[. tag,articles,featured This is very basic at the moment and there are some limitations: If you use the --natural switch, you have to be careful in the related order because objects are not sorted ; I try dumpdata with latest patch. Create a Fixture File. management import call_command call_command("dumpdata", format="json", ?) Dec 17, 2021 · python manage. json dumpdata for backup specific table. shoppingcart There are many options with dumpdata, including writing to several output file formats and handling custom managers on models. User &gt; fixtures/user. If no application name is provided, all installed applications will be dumped. ModelName]]] ¶ Affiche dans la sortie standard toutes les données de la base de données associée à ou aux applications nommées. json at the end of work from top: 446m 429m 3460 R 96. py dumpdata --format jsonl some_table > value. dumpdata (--format) 通常，dumpdata将会格式化数据输出为json格式; 但是你也可以使用 --format 来选择自己想要的格式; 命令支持选择的格式 json; xml; yaml. ModelName]]] ¶ Outputs to standard output all data in the database associated with the named application(s). json文件中(备份整个数据库)pythonmanage. json 2) 일부 테이블 or 그 중의 일부 모델만 python manage. By default, dumpdata will format its output in JSON. json dumpdata ¶ django-admin dumpdata [app_label[. Jan 9, 2023 · django 启动前数据库先加载数据以及使用 django 导出数据(djnago dumpdata and loaddata) 相信很多童鞋在工作中使用 django 会遇到这样的场景，在我们启动服务之前需要先在数据库导入一些必要数据为服务提供支撑，我们通常叫这类数据文件统称为种子文件 django 其实也给我们提供类似的功能，django dumpdata Mar 31, 2014 · I use dumpdata and loaddata to a file, but when I load, it says: Installed 0 object(s) from 0 fixture(s) Nothing was loaded, why? Oct 29, 2023 · 1. objects. product --indent 5 >> product. ModelName] $ python -m django dumpdata [app_label[. root@812e9c4b1e07:/estimate# time python manage. py loaddata fixtures/model_name. We've tried:. g. py loaddata specific_file. py dumpdata -a ls -lha dump. pk. So I quitted do it on the Django built-in function and used pgloader. py dumpdata --format=xml myapp . ModelName] ]]¶ Outputs to standard output all data in the database associated with the named application(s). For example: django-admin dumpdata --format = json --database = test app_label. Hi, This is a duplicate of #18867 which was marked as invalid because this is a bug in the PyYAML library and not in Django. py dumpdata --format csv auth. all() 191c191,192 < yield from queryset. xml的文件中。 3. py loaddata backup. dumpdata (–format) 通常，dumpdata将会格式化数据输出为json格式. json Here I am dumping everything in the database excluding the admin and sessions tables (my guess is you might not need those), into a json file named test_db. python3 manage. py dumpdata appname_one appname_two > /path/to/save/file. pydumpdata&gt;db. json Exporting Data to be loaded to another Data Base DB with data python manage. 将数据库中与指定应用程序相关联的所有数据输出到标准输出。 如果没有提供应用程序名称，所有安装的应用程序将被转储。 dumpdata 的输出可以作为 loaddata 的输入。 May 7, 2019 · django 启动前数据库先加载数据以及使用 django 导出数据(djnago dumpdata and loaddata) 相信很多童鞋在工作中使用 django 会遇到这样的场景，在我们启动服务之前需要先在数据库导入一些必要数据为服务提供支撑，我们通常叫这类数据文件统称为种子文件 django 其实也给我们提供类似的功能，django dumpdata Jul 18, 2024 · It is serialized into a text-based format such as JSON or XML and used to provide initial data for local development or pre-populate a database with content for tests. Used properly, fixtures are a powerful feature that can improve all Django developer's productivity. ModelName] [app_label[. Jul 18, 2024 · A fixture is a collection of data that can be dumped or loaded into a Django database. py dumpdata --natural --indent 2 > dump. And this thread has many ways to dump data, including manual methods. Command supports for following formats (serialization formats) This command can be use to load the fixtures (database dumps) into database. 4 12. Blog --pks=2,3 --related=articles. In your app config, you will need to register your serializers module so that you can use it with the dumpdata command. json dumpdata for backup specific app. py dumpdatax --format json --indent 2 --exclude-field content_type --exclude-field codename auth. Aug 9, 2021 · CommandError: Problem installing fixture '˜/Downloads/data': dump is not a known serialization format. 1) 전체 테이블 dump python manage. model_name --indent 4 > fixtures/model_name. json it will ouput json format and you don't need install pyyaml – FrankZhu Commented Feb 28, 2019 at 19:51 Oct 11, 2023 · Customize Output Format with --format. py dumpdata --exclude auth. dumpdata命令可以将数据库中的数据序列化为JSON或其他格式，并输出到文件中。以下是如何使用dumpdata命令导出单个模型的数据的 dumpdata ¶ django-admin dumpdata [app_label[. jsonl I usually add a bzip2 pipeline to compress the generated files. Jun 11, 2019 · . And you can treat the output data file a real python source file. json To load data: python manage. Official Django Forum Join the community on the Django Jul 3, 2012 · So you can dump the data in third table like this, python manage. xml. — output: Çıktının kayıt edileceği dosyanın ismidir. loaddata 命令 dumpdata ¶ django-admin dumpdata [app_label[. py dumpdata --format myjson > myfixtures. Oct 11, 2014 · In django, there are built-in commands dumpdata and loaddata that export data from the database into a json format and load it back in, respectively. xml --format xml Unable to serialize UUID field when running dumpdata with JSON format → Unable to serialize UUIDField when running dumpdata with JSON format comment:2 by Claude Paroz , 10 years ago Component: Jan 17, 2014 · add to this answer, if you just use the python manage. json. order_by(model. It is serialized into a text-based format such as JSON or XML and used to provide initial data for local development or pre-populate a database with content for tests. dump to . json 3) --format python manage. py dumpdata company. The most common way is to use the dumpdata command in your Django shell. and:. Using the dumpdata Command. But now the problem, I want to use dumpdata (or something that does the same) to export a model with a nested other model in yaml format. Apr 28, 2010 · A 3rd party django app, django-test-utils contains a makefixture command implementation which is basically a smarter dumpdata. 기본 명령어. 1. 13 django 4. Fixtures can be used to pre-populate the database with data for tests: or to provide some initial data using the loaddata command: Django will search in these locations for fixtures: Nov 29, 2011 · python manage. json python manage. By default, time zone support uses pytz, which is installed when you install Django; Django also supports the use of other time zone implementations like zoneinfo by passing tzinfo objects directly to functions in django. py dumpdata > filename --format file_format. In any directory listed in the FIXTURE_DIRS setting. – Could not load contenttypes. py dumpdata products --format json --indent 4 > products/fixtures Access is denied. json, so I can use it with loaddata command? dumpdata ¶ django-admin dumpdata [app_label[. Use cases are: populating the database with realistic data for tests data migrations, moving some data from one system to another moving data fixtures from a branch into main backup and restore (pg_dump is great for this) I’d also like something like an import Mar 31, 2021 · django 启动前数据库先加载数据以及使用 django 导出数据(djnago dumpdata and loaddata) 相信很多童鞋在工作中使用 django 会遇到这样的场景，在我们启动服务之前需要先在数据库导入一些必要数据为服务提供支撑，我们通常叫这类数据文件统称为种子文件 django 其实也给我们提供类似的功能，django dumpdata dumpdata ¶ django-admin dumpdata [app_label[. Oct 14, 2015 · . Django will load any and all fixtures it finds in these locations that match the provided fixture names. call_command('dumpdata','document_manager. It worked. py dumpdata --format=yaml produces output in flow style. Create a Fixture with dumpdata python manage. json — format: JSON dışında farklı bir formatta çıktı almak istediğimizde kullanırız. Summary: in this tutorial, you’ll learn how to use the Django dumpdata command to export the database into files. You may have many errors if you use pyhton functions. The dumpdata command is Django 数据备份策略：使用 dumpdata 和迁移 在本文中，我们将介绍 Django 中的数据备份策略，主要使用 dumpdata 命令和数据迁移功能。数据备份对于保护数据完整性和恢复损坏的数据库至关重要。Django 提供了一些强大的工具来帮助我们有效地备份和恢复数据。 Jan 13, 2022 · Hi everyone, I have a lot of trouble using dumpdata and loaddata, and I just keep banging my shins when I try to work around it. myjson # the extension is important! You can load it with. 命令支持选择的格式. 내가 생각하기에는, 데이터가 큰 프로젝트에서 여러 시스템 간에 전송될 때 XML이나 YAML 형식을 사용하는 것이 유용할 수 있다. py loaddata --format=yaml polls/fixtures/data. py dumpdata admin > admin. user –indent 2 > user. Dec 12, 2023 · django-admin loaddata --format = json -当从 stdin 读取时，需要使用 --format 选项来指定输入的 序列化格式 （例如 json 或 xml）。 Loading from stdin is useful with standard input and output redirections. Post --format xml --indent 2 --output data. configure() call_command('dumpdata','document_manage python manage. By default, the data goes to standard output. For example, to output data in XML format: python manage. AggregationFunctions_aggregation_category Mar 3, 2018 · But it is the part of the file. my_model You can also separate multiple apps and models on the command line. json. py dumpdata --format=yaml polls > polls/fixtures/data. yaml. json 파일에 백업합니다. You can specify exact model names with ID ranges to export (and it will follow related objects) Example: manage. 모델 인스턴스 또는 전체 데이터베이스를 백업(내보내기)하는 데 사용할 수 있는 django 관리 명령입니다. Nov 23, 2020 · Use--output OUTPUT, -o OUTPUT¶ Specifies a file to write the serialized data to. 但是你也可以使用 –format 来选择自己想要的格式. To dump data for a single model, specify the app label and model name. json --app app. json#将adminapp转存到admin. json To make it human readable Apr 23, 2020 · python manage. Or if you use MySQL, you could use the mysqldump command to dump the whole database. We will use a JSON file. _meta. py dumpdata myapp1 myapp2. Dec 11, 2023 · 301👍 As of version 1. django-admin. Each Project can have it's owns set of Questions. iterator() --- > for row in queryset: > yield row Feb 25, 2007 · One thing you can do with django is write test cases so I might add some tests to check these boundary cases. You want to create initial data by running in the shell, saving the instances, and then exporting the database to a fixture in a format like json using loaddata: python manage. 927s user 0m12. py dumpdata > test. contrib. serialize('csv', Foo. logentry > logentry. py from the Django installation and making a few changes to it:. The database is MS sql server and I'm using pyodbc as the driver. py dumpdata customer --all --indent 4 --output my_fixtures. py dumpdata > data. json Jun 12, 2017 · So i made a dumpdata with django but my file is really big. It's easy way with no errors. py dumpdata auth. 194s sys 0m0. %s' % model_name,format='json',indent=2,stdout=output) This Django 5. py in one of your apps, and subclass the geojson serializer from django. Usually these other formats will be text-based and used for sending Django data over a wire, but it’s possible for a serializer to handle any format (text-based or not). ) Before going to python script to convert normal json file to fixture format, let understand how Django look for fixture file and how use it. name) --- > queryset = objects. That ticket is fairly old so if there's been new developments, feel free to reopen that other ticket so that we can keep the discussion in one place. all()) To run the regression tests distributed with the Django tarball: Mar 25, 2016 · Because you would find out, that loaddata can only load fixtures produced by command dumpdata, but your data have different format. ModelName]]] ¶. May 27, 2011 · python manage. py dumpdata --format xml > db. User > project_data_with_related. The code looks something like this: We are trying to migrate between databases and we are running into a problem while trying to use dumpdata. py dumpdata --natural --format xml --indent 2 > dump. If you want to dump data in different format, you can do so by passing required parameter. Feb 12, 2024 · Dumpdata is a Django management command that outputs the contents of the database as a JSON or XML file. I just manually deleted this sentence. py makefixture --format=xml --indent=4 proj. The manage. This can be useful for creating backups, transferring data between databases, or even Fixtures can be generated by manage. py dumpdata auth --indent 2 Nov 20, 2012 · Need to use dumpdata e. py dumpdata admin. myjson Strangely enough loaddata does not accept a "format" parameter like dumpdata. ] real 0m13. py dumpdata. How to Dump Data for a Single Model in Django. xml # default는 Nov 2, 2020 · (ECOMME~1) C:\Users\HP\Django Projects\EcommerceProject>python manage. In the literal path named by the fixture. py dumpdata -h查看相关参数-h 查看帮助文档 —format 格式化输出导出的数据，支持导出数据格式为： json/xml/yaml —indent 美化json格式，json缩进空格数 —database 指定要从中转储装置的特定数据库。 默认为“default”数据库 —exclude（-e） 选择不需要备份的app Jul 25, 2019 · . py dumpdata app_label --format xml > data. py dumpdata [app_label[. It decides the format based on the file extension. Lets say I have two models, Project and Questions. But finally I didn't use python loaddata for database migration. Например, следующая команда экспортирует всю базу данных в XML-файл: python manage. /manage. 1 documentation. using(using). xml. 다음 명령은 전체 데이터베이스를 db. There are three point of interest and order : dumpdata ¶ django-admin dumpdata [app_label[. Jul 17, 2023 · By default, dumpdata will format its output in JSON You can specify the format using --format option Command supports for following formats(serialization formats) django-admin. py dumpdata yourapp could dump for that purpose. py dumpdata catalogue. Example: Dump Table Data python manage. ModelName > data. It’s also possible to generate custom fixtures by directly using serialization tools or even by handwriting them. py dumpdata --format json -e app1 -e app2 But in call_command I don't know how I should call it : from django. ModelName] app_label is not required, and if not specified, all applications database models will be dumped into the standard output in JSON format (unless specified differently). Export Data using dumpdata. json 但是我在文件mydata. The output of dumpdata can be used as input for loaddata. That's OK for automated processing, but it isn't anything like as human-readable as block style YAML. py dumpdata --format=yaml --flowstyle=false heroku run -r prod django-admin dumpdata --format=json | heroku run -r staging django-admin loaddata --format=json - FWIW the workaround looks like heroku run -r staging bash, then cat > data. conf import settings from django. glia carhp kxqp jppsv mmczp fxd tqph jnuta ffzee tecm syxj nvydm idqvp shxlm much