Easily define and check configuration file structures 📂🍒
Project description
configTemplate
Easily define configuration file structures, and check if a given configuration file matches the template.
Installation
configTemplate is tested on CPython 3.6, 3.7, 3.8, and 3.9. Simply install using pip:
pip install configTemplate
Support for additional file formats
By default, configTemplate only supports JSON
configuration files, or
already loaded data (not directly from a configuration file). However, using
additional dependencies, configTemplate supports the following file formats:
- JSON
- YAML
- TOML
To install configTemplate with the additional required dependencies to support your preferred file format, use:
pip install configTemplate[yaml] # install dependencies for yaml files
pip install configTemplate[toml] # toml files
pip install configTemplate[json,toml] # json and toml files
pip install configTemplate[all] # all available file formats
Usage
To create a template, you will need the basic Template
module, and usually the
other three basic modules TemplateList
, TemplateDict
, and Optional
.
from configTemplate import Template, TemplateList, TemplateDict, Optional
Now, let's create a basic template that represents a single user:
TemplateUser = TemplateDict( # a dictionary with 2 required values
username=Template(str), # username must be a string
passcode=Template(int, str), # can be a string or an integer.
nickname=Optional(Template(str)), # optional - if provided, must be a string.
)
Check if data matches your template using the check
method:
errors = TemplateUser.check({'username': 'RealA10N', 'passcode': 12345})
# the check method returns a `TemplateCheckErrorManager` instance
# read full documentation for more information.
if errors:
print(f'Found {errors.count} conflicts:')
print(errors) # prints a detailed and colored error list
else:
print('data follows the template!')
Using configTemplate as a dependency
configTemplate is still under active development, and some core features may change substantially in the near future.
If you are planning to use configTemplate as a dependency for your project,
we highly recommend specifying the exact version of the module you are using
in the requirements.txt
file or setup.py
scripts.
For example, to pinpoint version v0.3.2 use the following line in your
requirements.txt
file:
configTemplate==0.3.2
configTemplate[yaml]==0.3.2 # If using extra file formats
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