| Name | django-restit JSON |
| Version |
4.2.162
JSON |
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| home_page | None |
| Summary | A Rest Framework for DJANGO |
| upload_time | 2024-11-19 15:56:32 |
| maintainer | None |
| docs_url | None |
| author | Ian Starnes |
| requires_python | <4.0,>=3.8 |
| license | MIT |
| keywords |
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| VCS |
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| bugtrack_url |
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| requirements |
No requirements were recorded.
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# RESTIT.. a REST framework for DJANGO
### Quick Steps
1. Install framework
2. Add "restit" to DJANGO apps.
3. Add "middleware"
'rest.middleware.SessionMiddleware',
'rest.middleware.GlobalRequestMiddleware',
'rest.middleware.CorsMiddleware',
4. add url(r'^rpc/', include('rest.urls')) to your urlpatterns in urls.py
## Quick Overview
This framework makes it easy to build a rest framework to use with any web or applicaiton development.
You can take any model and turn them into a REST Model by inheriting from RestModel.
```python
class ExampleTODO(models.Model, RestModel):
your standard django fields
...
```
Next in your DJANGO app create a "rpc.py" file.
```python
# decorator that defines your routes, note the app_name is assumed
@rd.url('todo')
@rd.url('todo/<int:pk>')
@login_required
def on_rest_todo(request, pk=None):
return ExampleTODO.on_rest_request(request, pk)
```
This will give you a full rest interface into your Django model.
### But wait there's more...
This framework is pretty powerful and allow you to define how you want to return your model objects, and how deep!
```python
class ExampleTODO(models.Model, RestModel):
class RestMeta:
GRAPHS = {
"default": {
"exclude":["priority"],
"graphs":{
"user":"default"
}
},
"list": {
"fields":["id", "name", "priority"]
}
}
user = models.ForeignKey(User, related_name="+")
name = models.CharField(max_length=80)
description = models.TextField(max_length=80)
priority = models.IntegerField(default=0)
```
Above you can we we can define "graphs" that let us control what is returned.
So if we go to http://localhost:8000/rpc/rest_example/todo it will default to the "list" graph and return something that looks like...
```json
{
"status": true,
"size": 25,
"count": 2,
"data": [
{
"id": 1,
"name": "test 1",
"priority": 1,
"user": 21
},
{
"id": 2,
"name": "test 2",
"priority": 1,
"user": 21
},
]
}
```
So if we go to http://localhost:8000/rpc/rest_example/todo?graph=default
```json
{
"status": true,
"size": 25,
"count": 2,
"data": [
{
"id": 1,
"name": "test 1",
"description": "this is test 1",
"user": {
"id": 21,
"username": "jsmith",
"display_name": "TEST USER 5",
"avatar": "http://localhost:8000/media/ax1fg.png"
}
},
{
"id": 2,
"name": "test 2",
"description": "this is test 2",
"user": {
"id": 21,
"username": "jsmith",
"display_name": "TEST USER 5",
"avatar": "http://localhost:8000/media/ax1fg.png"
}
},
]
}
```
## More details...
## RestModel
The RestModel Class is a helper class that helps existing models adapt to the REST framework. It is not required but highly recommended.
### API helpers
Key methods you can override
```
def on_rest_get(self, request):
# override the get method
return self.restGet(request, graph)
def on_rest_post(self, request):
# override the post method
return self.restGet(request, graph)
def on_rest_pre_save(self, request):
# called before instance saved via rest, no return
pass
def on_rest_created(self, request):
# called after new instance created via rest, no return
pass
def on_rest_saved(self, request):
# called after old instance saved via rest, no return
pass
def on_rest_delete(self, request):
can_delete = getattr(self.RestMeta, "CAN_DELETE", False)
if not can_delete:
return self.restStatus(request, False, error="deletion not allowed via rest for this model.")
self.delete()
return GRAPH_HELPERS.restStatus(request, True)
@classmethod
def onRestCanSave(cls, request):
# override to validate permissions or anything if this can create or save this instance
return True
@classmethod
def on_rest_list_filter(cls, request, qset):
# override on do any pre filters, returns new qset
# qset = qset.filter(id__gt=50)
return qset
@classmethod
def on_rest_list(cls, request, qset=None):
# normally you would override on_rest_list_filter, but you could override this
return cls.restList(request, qset)
@classmethod
def on_rest_create(cls, request, pk=None):
obj = cls.createFromRequest(request)
return obj.restGet(request)
```
#### Creating and Saving
`createFromRequest(request, **kwargs)` - this allows you to pass a request object (normally a post) and create a new model from that request. You can also pass in any override fields after the request.
```
MyModel.createFromRequest(request, owner=request.user)
```
`saveFromRequest(request, **kwargs)` - this allows you to pass a request object (normally a post) and save data to the model from that request. You can also pass in any override fields after the request.
```
mode_instance.saveFromRequest(request, modified_by=request.user)
```
#### Other Helper Methods
`getFromRequest(cls, model_name)` - @classmethod - attempts to get the model instance from a request, check for the classname and classname+ "_id" in the REQUEST params.
`restGetModel(app_name, model_name)` - @staticmethod - grab Model class by app and model name.
`restGetGenericModel(self, fieldname)` - grab Model class by app and model name.
`restGetGenericRelation(self, fieldname)` - grab Model class by app and model name.
## Returning JSON Graph
Graphs can easily be built automatically from your models by setting the appropriate RestMeta properties.
`getGraph(name)` - @classmethod - Specify the name of the graph you want to return.
### RestMeta
This is a Property class you add to your models to define your graphs.
By default a graph will return just the fields with no recurse into of Foreign models.
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"description": "# RESTIT.. a REST framework for DJANGO\n\n### Quick Steps\n\n1. Install framework\n\n2. Add \"restit\" to DJANGO apps.\n\n3. Add \"middleware\"\n\n 'rest.middleware.SessionMiddleware',\n 'rest.middleware.GlobalRequestMiddleware',\n 'rest.middleware.CorsMiddleware', \n \n4. add url(r'^rpc/', include('rest.urls')) to your urlpatterns in urls.py\n\n## Quick Overview\n\nThis framework makes it easy to build a rest framework to use with any web or applicaiton development.\n\nYou can take any model and turn them into a REST Model by inheriting from RestModel.\n\n```python\nclass ExampleTODO(models.Model, RestModel):\n your standard django fields\n ...\n```\n\n\n\nNext in your DJANGO app create a \"rpc.py\" file.\n\n```python\n# decorator that defines your routes, note the app_name is assumed\n@rd.url('todo')\n@rd.url('todo/<int:pk>')\n@login_required\ndef on_rest_todo(request, pk=None):\n return ExampleTODO.on_rest_request(request, pk)\n```\n\nThis will give you a full rest interface into your Django model.\n\n\n\n### But wait there's more...\n\nThis framework is pretty powerful and allow you to define how you want to return your model objects, and how deep!\n\n```python\nclass ExampleTODO(models.Model, RestModel):\n class RestMeta:\n GRAPHS = {\n \"default\": {\n \"exclude\":[\"priority\"],\n \"graphs\":{\n \"user\":\"default\"\n }\n },\n \"list\": {\n \"fields\":[\"id\", \"name\", \"priority\"]\n }\n }\n user = models.ForeignKey(User, related_name=\"+\")\n name = models.CharField(max_length=80)\n description = models.TextField(max_length=80)\n priority = models.IntegerField(default=0)\n```\n\nAbove you can we we can define \"graphs\" that let us control what is returned.\n\nSo if we go to http://localhost:8000/rpc/rest_example/todo it will default to the \"list\" graph and return something that looks like...\n\n```json\n{\n \"status\": true,\n \"size\": 25,\n \"count\": 2,\n \"data\": [\n {\n \"id\": 1,\n \"name\": \"test 1\",\n \"priority\": 1,\n \"user\": 21\n },\n {\n \"id\": 2,\n \"name\": \"test 2\",\n \"priority\": 1,\n \"user\": 21\n },\n ]\n}\n```\n\n\n\nSo if we go to http://localhost:8000/rpc/rest_example/todo?graph=default\n\n```json\n{\n \"status\": true,\n \"size\": 25,\n \"count\": 2,\n \"data\": [\n {\n \"id\": 1,\n \"name\": \"test 1\",\n \"description\": \"this is test 1\",\n \"user\": {\n \"id\": 21,\n \"username\": \"jsmith\",\n \"display_name\": \"TEST USER 5\",\n \"avatar\": \"http://localhost:8000/media/ax1fg.png\"\n }\n },\n {\n \"id\": 2,\n \"name\": \"test 2\",\n \"description\": \"this is test 2\",\n \"user\": {\n \"id\": 21,\n \"username\": \"jsmith\",\n \"display_name\": \"TEST USER 5\",\n \"avatar\": \"http://localhost:8000/media/ax1fg.png\"\n }\n },\n ]\n}\n```\n\n\n\n\n\n## More details...\n\n## RestModel\n\nThe RestModel Class is a helper class that helps existing models adapt to the REST framework. It is not required but highly recommended.\n\n### API helpers\n\nKey methods you can override\n\n```\n def on_rest_get(self, request):\n # override the get method\n return self.restGet(request, graph)\n\n def on_rest_post(self, request):\n # override the post method\n return self.restGet(request, graph) \n \n def on_rest_pre_save(self, request):\n # called before instance saved via rest, no return\n pass\n \n def on_rest_created(self, request):\n # called after new instance created via rest, no return\n pass\n\n def on_rest_saved(self, request):\n # called after old instance saved via rest, no return\n pass\n\n def on_rest_delete(self, request):\n can_delete = getattr(self.RestMeta, \"CAN_DELETE\", False)\n if not can_delete:\n return self.restStatus(request, False, error=\"deletion not allowed via rest for this model.\")\n self.delete()\n return GRAPH_HELPERS.restStatus(request, True)\n\n @classmethod\n def onRestCanSave(cls, request):\n # override to validate permissions or anything if this can create or save this instance\n return True\n \n @classmethod\n def on_rest_list_filter(cls, request, qset):\n # override on do any pre filters, returns new qset\n # qset = qset.filter(id__gt=50)\n return qset\n \n @classmethod\n def on_rest_list(cls, request, qset=None):\n # normally you would override on_rest_list_filter, but you could override this\n return cls.restList(request, qset)\n \n @classmethod\n def on_rest_create(cls, request, pk=None):\n obj = cls.createFromRequest(request)\n return obj.restGet(request)\n```\n\n\n\n#### Creating and Saving\n\n`createFromRequest(request, **kwargs)` - this allows you to pass a request object (normally a post) and create a new model from that request. You can also pass in any override fields after the request.\n\n```\n MyModel.createFromRequest(request, owner=request.user)\n```\n\n`saveFromRequest(request, **kwargs)` - this allows you to pass a request object (normally a post) and save data to the model from that request. You can also pass in any override fields after the request.\n\n```\n mode_instance.saveFromRequest(request, modified_by=request.user)\n```\n\n#### Other Helper Methods\n\n`getFromRequest(cls, model_name)` - @classmethod - attempts to get the model instance from a request, check for the classname and classname+ \"_id\" in the REQUEST params.\n\n\n`restGetModel(app_name, model_name)` - @staticmethod - grab Model class by app and model name.\n\n`restGetGenericModel(self, fieldname)` - grab Model class by app and model name.\n\n`restGetGenericRelation(self, fieldname)` - grab Model class by app and model name.\n\n## Returning JSON Graph\n\nGraphs can easily be built automatically from your models by setting the appropriate RestMeta properties.\n\n`getGraph(name)` - @classmethod - Specify the name of the graph you want to return.\n\n### RestMeta\n\nThis is a Property class you add to your models to define your graphs.\n\nBy default a graph will return just the fields with no recurse into of Foreign models.\n",
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