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Set of utilities to assist on simple Python projects

Project description

The Xavi's Python package

Set of utilities to assist on simple Python projects.

Disclaimer

This is a constant work in progress package, adding and improving the libraries within with the goal of abstracting and reusing code, and easing the coding experience of real life projects.

Suggestions are welcome :)

Modules included in the package

This package contains a set of modules, divided by functionality.

The Dictionary module

A class to bring some extras to work with dict object files, like getter and setter, checks, and a way to trasverse the object with keys like family.category.parameter1.subparameter2

For example, consider the following snippet:

from pyxavi.dictionary import Dictionary

d = {
  "a": 1,
  "b": "B",
  "c": [1, 2],
  "d": {"d1": "D1", "d2": "D2"},
  "e": [
    {"e1": "E1"},
    {"e2": {"e21": "E21"}}
  ]
}

instance = Dictionary(d)

assert instance.get("a") == 1
assert instance.get("c.0") == 1
assert instance.get("d.d1") == "D1"
assert instance.get("e.1.e2.e21") == "E21"
assert instance.get("d.d3", "default") == "default"

assert instance.key_exists("f.f1.foo") is False
instance.initialise_recursive("f.f1.foo")
assert instance.key_exists("f.f1.foo") is True
instance.set("f.f1.foo", "bar")
assert instance.get_parent("f.f1.foo") == {"foo": "bar"}

assert instance.get_keys_in("d") == ["d1", "d2"]
assert instance.delete("d.d9") is False
assert instance.delete("c.1") is True
assert instance.get("c") == [1]

The Storage module

A class to bring a basic load/write, get/set behaviour for key/value file based storage. Under the hood it uses YAML files so they're human readable and inherits from the Dictionary module to apply the easy data manipulation into the loaded yaml files.

The Config module

A class for read-only config values inheriting from the Storage module.

The Logger module

A class that helps setting up a built-in logger based on the configuration in a file, handled by the Config module.

For example, a config.yaml with parameters to configure the logger would look like this:

# Logging config
logger:
  # [Integer] Log level: NOTSET=0 | DEBUG=10 | INFO=20 | WARN=30 | ERROR=40 | CRITICAL=50
  loglevel: 10
  # [String] Name of the logger
  name: "my_app"
  # [Bool] Dump the log into a file
  to_file: True
  # [String] Path and filename of the log file
  filename: "log/my_app.log"
  # [Bool] Dump the log into a stdout
  to_stdout: True
  # [String] Format of the log
  format: "[%(asctime)s] %(levelname)-8s %(name)-12s %(message)s"

The Debugger module

A function library with a PHP's var_dump()-like function and other debugging tools

The TerminalColor module

A class with a basic set of terminal color codes, ready to assist on printing colorful terminal messages.

The Media module

A class for operations with media files, at this point extracting media URLs from texts and download files discovering the mime types.

The Janitor module

A class that wraps the API to report to Janitor, a separated GitHub repository project.

The Firefish module

A class that wraps the API for Firefish. It is meant to be interchangeable with the Mastodon.py wrapper library, so one could inject any of both.

At this point of time it only covers posting a new status (creating a note in Firefish).

The Network module

A class to perform some networking actions. At this point:

  • Get the external IP addres for IPv4 and IPv6
  • Validate an IPv4 and IPv6 IP address

The Url module

A class to perform some actions over URLs. At this point:

  • Clean the URL based on given parameters

How to use it

  1. Assuming you have pip installed:
pip install pyxavi

You can also add the pyxavi package as a dependency of your project in its requirements.txt or pyproject.toml file.

  1. Import the desired module in your code. For example, in your my_python_script.py:
from pyxavi.debugger import dd

foo = [1, 2, 3]
dd(foo)

Give me an example

  1. First of all you have installed the package, right?
pip install pyxavi
  1. Create a yaml file with some params, for example the app's name and the logger. Let's call it config.yaml:
app:
    name: My app

logger:
    name: "my_app"
    to_file: True
  1. Create a python file called test.py and open it in your editor.

  2. Import the modules by adding these lines in the top of the script file:

from pyxavi.config import Config
from pyxavi.logger import Logger
  1. Now just add the following lines to instantiate the config and the logger using the config.
config = Config()
logger = Logger(config).get_logger()

This will give you a config object with the parameters in the config file, and a logger object ready to log events using the built-in interface.

  1. Simply use the objects!
app_name = config.get("app.name", "Default app's name")
logger.info(f"The config file says the app's name is {app_name}")

Let's see it all together, and extend it a bit more:

from pyxavi.config import Config
from pyxavi.logger import Logger
from pyxavi.debugger import dd

config = Config()
logger = Logger(config).get_logger()

app_name = config.get("app.name", "Default app's name")
logger.info(f"The config file says the app's name is {app_name}")

logger.debug("Inspecting the config object")
dd(config)

Now, when it runs it should give the following output:

$ python3 test.py 
(Config){
  "_filename": (str[11])"config.yaml",
  "_content": (dict[2]){
    "app": (dict[1]){"name": (str[6])"My app"},
    "logger": (dict[2]){"name": (str[6])"my_app", "to_file": (bool)True}
  },
  class methods: _load_file_contents, get, get_all, get_hashed, read_file, set, set_hashed, write_file
}

... and also create a debug.log file that contains the following content:

[2023-08-06 22:24:34,491] INFO     my_app       The config file says the app's name is My app

Note that the default LOG_LEVEL is 20, therefor the call logger.debug was not registered as it's level is 10.

ToDo

  • Documentation per module
  • Iterate inline documentation
  • Empty the NEXT MAJOR list

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