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dexml-python3-0.1.8
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A dead-simple xml object mapper for Python
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | dexml-python3-0.1.8 |
| نام | dexml-python3 |
| نسخه کتابخانه | 0.1.8 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Patrick Withams |
| ایمیل نویسنده | pwithams@gmail.com |
| آدرس صفحه اصلی | https://github.com/pwithams/dexml-python3 |
| آدرس اینترنتی | https://pypi.org/project/dexml-python3/ |
| مجوز | - |
# dexml: An Object-XML Mapper for Python
This is a maintained version of the original `dexml` Python package, intended for Python 3 use only.
Other than providing a maintained version that supports modern Python 3, other future goals include:
- support with Python dataclasses and `pydantic` models
- support for auto-generating models based on example XML payloads
- keep backwards compatibility with original `dexml` package where possible
Before refactoring, the original code was sourced from both:
- https://github.com/realrunner/dexml
- https://github.com/rfk/dexml
## Installation
```
pip install dexml-python
```
## Documentation
Let's face it: xml is a fact of modern life. I'd even go so far as to say
that it's *good* at what it does. But that doesn't mean it's easy to work
with and it doesn't mean that we have to like it. Most of the time, XML
just needs to get out of the way and let you do some actual work instead
of writing code to traverse and manipulate yet another DOM.
The dexml module takes the obvious mapping between XML tags and Python objects
and lets you capture that as cleanly as possible. Loosely inspired by Django's
ORM, you write simple class definitions to define the expected structure of
your XML document. Like so::
```
>>> import dexml
>>> from dexml import fields
>>> class Person(dexml.Model):
... name = fields.String()
... age = fields.Integer(tagname='age')
```
Then you can parse an XML document into an object like this::
```
>>> p = Person.parse("<Person name='Foo McBar'><age>42</age></Person>")
>>> p.name
u'Foo McBar'
>>> p.age
42
```
And you can render an object into an XML document like this::
```
>>> p = Person(name="Handsome B. Wonderful",age=36)
>>> p.render()
'<?xml version="1.0" ?><Person name="Handsome B. Wonderful"><age>36</age></Person>'
```
Malformed documents will raise a ParseError::
```
>>> p = Person.parse("<Person><age>92</age></Person>")
Traceback (most recent call last):
...
ParseError: required field not found: 'name'
```
Of course, it gets more interesting when you nest Model definitions, like this::
```
>>> class Group(dexml.Model):
... name = fields.String(attrname="name")
... members = fields.List(Person)
...
>>> g = Group(name="Monty Python")
>>> g.members.append(Person(name="John Cleese",age=69))
>>> g.members.append(Person(name="Terry Jones",age=67))
>>> g.render(fragment=True)
'<Group name="Monty Python"><Person name="John Cleese"><age>69</age></Person><Person name="Terry Jones"><age>67</age></Person></Group>'
```
There's support for XML namespaces, default field values, case-insensitive
parsing, and more fun stuff. Check out the documentation on the following
classes for more details:
```
:Model: the base class for objects that map into XML
:Field: the base class for individual model fields
:Meta: meta-information about how to parse/render a model
```
## Auto-Generating Models
You can generate Python code with `dexml` models from XML using the following command:
```
cat file.xml | python -m dexml > model.py
```
To view the current config options:
```
python -m dexml --help
```
Only the `Model`, `String`, `Integer`, `Float`, and `Boolean` fields are currently supported.
Generation is not intended to be 100% perfect but as a starting point for manually creating large models.
## Development
The project uses [poetry](https://python-poetry.org/) to manage dependencies, virtual environments, and publishing.
It also uses `pre-commit` to provide some standard git hook checks.
The `Makefile` has some shortcuts for common operations. After cloning, the following steps can be taken:
1. Run `make restore`
2. Optionally enter virtual environment with `poetry shell`
3. Run `make test`
4. Run `make build` to create a distribution
## Contributing
This is an early stage project but pull requests are welcome.
نیازمندی
| مقدار | نام |
|---|---|
| >=0.7.0,<0.8.0 | typer[all] |
| >=0.13.0,<0.14.0 | xmltodict |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.7.2,<4.0.0 | Python |
نحوه نصب
نصب پکیج whl dexml-python3-0.1.8:
pip install dexml-python3-0.1.8.whl
نصب پکیج tar.gz dexml-python3-0.1.8:
pip install dexml-python3-0.1.8.tar.gz