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Project Description
tg2ext.express
==============

This is a CRUD controller which helps you to exposure your database tables via a HTTP RESTful interface quickly on TurboGears2,
helps you make your WEB pages access your database quickly via Ajax.

# For example

## With the following code in your TG app:

from tg2ext.express import ExpressController

class Writer(DeclarativeBase):
__tablename__ = 'db_writers'
#{ Columns
id = Column(Integer, primary_key=True)
firstname = Column(Unicode(64), nullable=False)
lastname = Column(Unicode(64), nullable=False)
gender = Column(Enum('Male', 'Female', name='wrtier_gender'), default='Male')
birthday = Column(Date, nullable=True)
description = Column(Text, nullable=True)
created = Column(DateTime, default=func.NOW())
#}
fullname = column_property(firstname + " " + lastname)


class Article(DeclarativeBase):
__tablename__ = 'db_articles'

#{ Columns
id = Column(Integer, primary_key=True)
title = Column(Unicode(256), nullable=False)
keys = Column(Unicode(256), nullable=True)
content = Column(Text, nullable=True)
writer_id = Column(Integer, ForeignKey('db_writers.id'), nullable=False)
created = Column(DateTime, default=func.NOW())
#}
writer = relation('Writer', backref='articles')


class Comment(DeclarativeBase):
__tablename__ = 'db_comments'
#{ Columns
id = Column(Integer, primary_key=True)
comment = Column(Unicode(256), nullable=False)
article_id = Column(Integer, ForeignKey('db_articles.id'), nullable=False)
created = Column(DateTime, default=func.NOW())
#}
db_articles = relation('Article', backref='comments')

class RootController(BaseController):
# ...
writer = ExpressController(model=model.Writer, dbsession=DBSession)
article = ExpressController(model=model.Article, dbsession=DBSession)
comment = ExpressController(model=model.Comment, dbsession=DBSession)

# ...

## You will get your HTTP APIs for access writers, articles, comments:

### Writers:
/writer/{$id|_schema|_aggregate}[?query&controles]
### Articles:
/article/{$id|_schema|_aggregate}[?query&controles]
### Comments:
/comment/{$id|_schema|_aggregate}[?query&controles]

### For get articles with writer_id==2:

GET /article/?writer_id=2&__include_fields=title,keys,created&__extend_fields=writer.firstname,writer.lastname

{
"__count": 2,
"__limit": 50,
"__model": "Article",
"__ref": "/article/",
"Article": [
{
"keys": "note,another",
"writer": {
"lastname": "SHEN",
"id": 2,
"firstname": "Fangze"
},
"title": "Test note2",
"id": 3,
"created": "2014-02-26 13:36:18"
},
{
"keys": "test",
"writer": {
"lastname": "SHEN",
"id": 2,
"firstname": "Fangze"
},
"title": "Test note4",
"id": 4,
"created": "2014-02-26 13:36:18"
}
],
"__begin": 0,
"__total": 2
}

### For getting writer table schema:

GET /writer/_schema

{
"relationships": {
"articles": {
"field": [
"db_articles.writer_id"
],
"direction": "ONETOMANY",
"target": "Article"
}
},
"table": "Writer",
"fields": {
"description": {
"primary_key": false,
"nullable": true,
"default": null,
"doc": null,
"unique": null,
"type": "TEXT"
},
"firstname": {
"primary_key": false,
"nullable": false,
"default": null,
"doc": null,
"unique": null,
"type": "VARCHAR(64)"
},
"created": {
"primary_key": false,
"nullable": true,
"default": "ColumnDefault(<sqlalchemy.sql.functions.Function at 0x528bb00; NOW>)",
"doc": null,
"unique": null,
"type": "DATETIME"
},
"lastname": {
"primary_key": false,
"nullable": false,
"default": null,
"doc": null,
"unique": null,
"type": "VARCHAR(64)"
},
"birthday": {
"primary_key": false,
"nullable": true,
"default": null,
"doc": null,
"unique": null,
"type": "DATE"
},
"gender": {
"primary_key": false,
"nullable": true,
"default": "ColumnDefault('Male')",
"doc": null,
"unique": null,
"type": "VARCHAR(6)"
},
"id": {
"primary_key": true,
"nullable": false,
"default": null,
"doc": null,
"unique": null,
"type": "INTEGER"
}
}
}

### For aggregations:

GET /article/_aggregate?__count=id&__group_by=writer_id

{
"__count": 2,
"__model": "Article",
"__ref": "/article/_aggregate",
"__type": "Aggregation",
"Article": [
{
"__count_id": 2,
"writer_id": 1
},
{
"__count_id": 2,
"writer_id": 2
}
],
"__total": 2
}

# HTTP API:

### Controle Params:

__begin:
__limit:
__include_fields:
__extend_fields:

### Query Lookups: ${field_name}__${lookup}=${value(s)}

not
contains
startswith
endswith
in
range
lt
lte
gt
gte
year
month
day
hour
minute
dow

### Aggregation functions:

__count:
__sum:
__avg:
__min:
__max:
Release History

Release History

0.3.2-dev

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0.2.10

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0.2.9

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0.2.8

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0.2.7

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0.2.6

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0.2.5

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0.2.4

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0.2.3

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
tg2ext.express-0.3.0.tar.gz (14.9 kB) Copy SHA256 Checksum SHA256 Source May 15, 2014

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