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2024-05-03 04:18:51 +03:00
Metadata-Version: 2.1
Name: wasabi
Version: 1.1.2
Summary: A lightweight console printing and formatting toolkit
Home-page: https://github.com/explosion/wasabi
Author: Explosion
Author-email: contact@explosion.ai
License: MIT
Requires-Python: >=3.6
Description-Content-Type: text/markdown
License-File: LICENSE
Requires-Dist: typing-extensions (<4.5.0,>=3.7.4.1) ; python_version < "3.8"
Requires-Dist: colorama (>=0.4.6) ; sys_platform == "win32" and python_version >= "3.7"
# wasabi: A lightweight console printing and formatting toolkit
Over the years, I've written countless implementations of coloring and
formatting utilities to output messages in our libraries like
[spaCy](https://spacy.io), [Thinc](https://github.com/explosion/thinc) and
[Prodigy](https://prodi.gy). While there are many other great open-source
options, I've always ended up wanting something slightly different or slightly
custom.
This package is still a work in progress and aims to bundle those utilities in a
standardised way so they can be shared across our other projects. It's super
lightweight, has zero dependencies and works with Python 3.6+.
[![tests](https://github.com/explosion/wasabi/actions/workflows/tests.yml/badge.svg)](https://github.com/explosion/wasabi/actions/workflows/tests.yml)
[![PyPi](https://img.shields.io/pypi/v/wasabi.svg?style=flat-square&logo=pypi&logoColor=white)](https://pypi.python.org/pypi/wasabi)
[![conda](https://img.shields.io/conda/vn/conda-forge/wasabi.svg?style=flat-square&logo=conda-forge/logoColor=white)](https://anaconda.org/conda-forge/wasabi)
[![GitHub](https://img.shields.io/github/release/ines/wasabi/all.svg?style=flat-square&logo=github)](https://github.com/ines/wasabi)
[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg?style=flat-square)](https://github.com/ambv/black)
<img width="609" src="https://user-images.githubusercontent.com/13643239/48663861-8c9ea000-ea96-11e8-8b04-d120c52276a8.png">
## 💬 FAQ
### Are you going to add more features?
Yes, there's still a few of helpers and features to port over. However, the new
features will be heavily biased by what we (think we) need. I always appreciate
pull requests to improve the existing functionality – but I want to keep this
library as simple, lightweight and specific as possible.
### Can I use this for my projects?
Sure, if you like it, feel free to adopt it! Just keep in mind that the package
is very specific and not intended to be a full-featured and fully customisable
formatting library. If that's what you're looking for, you might want to try
other packages – for example, [`colored`](https://pypi.org/project/colored/),
[`crayons`](https://github.com/kennethreitz/crayons),
[`colorful`](https://github.com/timofurrer/colorful),
[`tabulate`](https://bitbucket.org/astanin/python-tabulate),
[`console`](https://github.com/mixmastamyk/console) or
[`py-term`](https://github.com/gravmatt/py-term), to name a few.
### Why `wasabi`?
I was looking for a short and descriptive name, but everything was already
taken. So I ended up naming this package after one of my rats, Wasabi. 🐀
## ⌛️ Installation
```bash
pip install wasabi
```
## 🎛 API
### <kbd>function</kbd> `msg`
An instance of `Printer`, initialized with the default config. Useful as a quick
shortcut if you don't need to customize initialization.
```python
from wasabi import msg
msg.good("Success!")
```
### <kbd>class</kbd> `Printer`
#### <kbd>method</kbd> `Printer.__init__`
```python
from wasabi import Printer
msg = Printer()
```
| Argument | Type | Description | Default |
| ----------------- | --------- | ------------------------------------------------------------- | ------------- |
| `pretty` | bool | Pretty-print output with colors and icons. | `True` |
| `no_print` | bool | Don't actually print, just return. | `False` |
| `colors` | dict | Add or overwrite color values, names mapped to `0`-`256`. | `None` |
| `icons` | dict | Add or overwrite icon. Name mapped to unicode. | `None` |
| `line_max` | int | Maximum line length (for divider). | `80` |
| `animation` | str | Steps of loading animation for `Printer.loading`. | `"⠙⠹⠸⠼⠴⠦⠧⠇⠏"` |
| `animation_ascii` | str | Alternative animation for ASCII terminals. | `"\|/-\\"` |
| `hide_animation` | bool | Don't display animation, e.g. for logs. | `False` |
| `ignore_warnings` | bool | Don't output messages of type `MESSAGE.WARN`. | `False` |
| `env_prefix` | str | Prefix for environment variables, e.g. `WASABI_LOG_FRIENDLY`. | `"WASABI"` |
| `timestamp` | bool | Add timestamp before output. | `False` |
| **RETURNS** | `Printer` | The initialized printer. | - |
#### <kbd>method</kbd> `Printer.text`
```python
msg = Printer()
msg.text("Hello world!")
```
| Argument | Type | Description | Default |
| ---------- | -------------- | ---------------------------------------------------------------------------------------------------------------------- | ------- |
| `title` | str | The main text to print. | `""` |
| `text` | str | Optional additional text to print. | `""` |
| `color` |  unicode / int | Color name or value. | `None` |
| `icon` | str | Name of icon to add. | `None` |
| `show` | bool | Whether to print or not. Can be used to only output messages under certain condition, e.g. if `--verbose` flag is set. | `True` |
| `spaced` | bool | Whether to add newlines around the output. | `False` |
| `no_print` | bool | Don't actually print, just return. Overwrites global setting. | `False` |
| `exits` | int | If set, perform a system exit with the given code after printing. | `None` |
#### <kbd>method</kbd> `Printer.good`, `Printer.fail`, `Printer.warn`, `Printer.info`
Print special formatted messages.
```python
msg = Printer()
msg.good("Success")
msg.fail("Error")
msg.warn("Warning")
msg.info("Info")
```
| Argument | Type | Description | Default |
| -------- | ---- | ---------------------------------------------------------------------------------------------------------------------- | ------- |
| `title` | str | The main text to print. | `""` |
| `text` | str | Optional additional text to print. | `""` |
| `show` | bool | Whether to print or not. Can be used to only output messages under certain condition, e.g. if `--verbose` flag is set. | `True` |
| `exits` | int | If set, perform a system exit with the given code after printing. | `None` |
#### <kbd>method</kbd> `Printer.divider`
Print a formatted divider.
```python
msg = Printer()
msg.divider("Heading")
```
| Argument | Type | Description | Default |
| -------- | ---- | ---------------------------------------------------------------------------------------------------------------------- | ------- |
| `text` | str | Headline text. If empty, only the line is printed. | `""` |
| `char` | str | Single line character to repeat. | `"="` |
| `show` | bool | Whether to print or not. Can be used to only output messages under certain condition, e.g. if `--verbose` flag is set. | `True` |
| `icon` | str | Optional icon to use with title. | `None` |
#### <kbd>contextmanager</kbd> `Printer.loading`
```python
msg = Printer()
with msg.loading("Loading..."):
# Do something here that takes longer
time.sleep(10)
msg.good("Successfully loaded something!")
```
| Argument | Type | Description | Default |
| -------- | ---- | ---------------------------------- | -------------- |
| `text` | str | The text to display while loading. | `"Loading..."` |
#### <kbd>method</kbd> `Printer.table`, `Printer.row`
See [Tables](#tables).
#### <kbd>property</kbd> `Printer.counts`
Get the counts of how often the special printers were fired, e.g.
`MESSAGES.GOOD`. Can be used to print an overview like "X warnings"
```python
msg = Printer()
msg.good("Success")
msg.fail("Error")
msg.warn("Error")
print(msg.counts)
# Counter({'good': 1, 'fail': 2, 'warn': 0, 'info': 0})
```
| Argument | Type | Description |
| ----------- | --------- | ---------------------------------------------------- |
| **RETURNS** | `Counter` | The counts for the individual special message types. |
### Tables
#### <kbd>function</kbd> `table`
Lightweight helper to format tabular data.
```python
from wasabi import table
data = [("a1", "a2", "a3"), ("b1", "b2", "b3")]
header = ("Column 1", "Column 2", "Column 3")
widths = (8, 9, 10)
aligns = ("r", "c", "l")
formatted = table(data, header=header, divider=True, widths=widths, aligns=aligns)
```
```
Column 1 Column 2 Column 3
-------- --------- ----------
a1 a2 a3
b1 b2 b3
```
| Argument | Type | Description | Default |
| -------------- | ------------------- | ----------------------------------------------------------------------------------------------------------------------------------- | ---------- |
| `data` | iterable / dict | The data to render. Either a list of lists (one per row) or a dict for two-column tables. | |
| `header` | iterable | Optional header columns. | `None` |
| `footer` | iterable | Optional footer columns. | `None` |
| `divider` | bool | Show a divider line between header/footer and body. | `False` |
| `widths` | iterable / `"auto"` | Column widths in order. If `"auto"`, widths will be calculated automatically based on the largest value. | `"auto"` |
| `max_col` | int | Maximum column width. | `30` |
| `spacing` | int | Number of spaces between columns. | `3` |
| `aligns` | iterable / unicode | Columns alignments in order. `"l"` (left, default), `"r"` (right) or `"c"` (center). If If a string, value is used for all columns. | `None` |
| `multiline` | bool | If a cell value is a list of a tuple, render it on multiple lines, with one value per line. | `False` |
| `env_prefix` | unicode | Prefix for environment variables, e.g. WASABI_LOG_FRIENDLY. | `"WASABI"` |
| `color_values` | dict | Add or overwrite color values, name mapped to value. | `None` |
| `fg_colors` | iterable | Foreground colors, one per column. None can be specified for individual columns to retain the default background color. | `None` |
| `bg_colors` | iterable | Background colors, one per column. None can be specified for individual columns to retain the default background color. | `None` |
| **RETURNS** | str | The formatted table. | |
#### <kbd>function</kbd> `row`
```python
from wasabi import row
data = ("a1", "a2", "a3")
formatted = row(data)
```
```
a1 a2 a3
```
| Argument | Type | Description | Default |
| ------------ | --------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------- |
| `data` | iterable | The individual columns to format. | |
| `widths` | list / int / `"auto"` | Column widths, either one integer for all columns or an iterable of values. If "auto", widths will be calculated automatically based on the largest value. | `"auto"` |
| `spacing` | int | Number of spaces between columns. | `3` |
| `aligns` | list | Columns alignments in order. `"l"` (left), `"r"` (right) or `"c"` (center). | `None` |
| `env_prefix` | unicode | Prefix for environment variables, e.g. WASABI_LOG_FRIENDLY. | `"WASABI"` |
| `fg_colors` | list | Foreground colors for the columns, in order. None can be specified for individual columns to retain the default foreground color. | `None` |
| `bg_colors` | list | Background colors for the columns, in order. None can be specified for individual columns to retain the default background color. | `None` |
| **RETURNS** | str | The formatted row. | |
### <kbd>class</kbd> `TracebackPrinter`
Helper to output custom formatted tracebacks and error messages. Currently used
in [Thinc](https://github.com/explosion/thinc).
#### <kbd>method</kbd> `TracebackPrinter.__init__`
Initialize a traceback printer.
```python
from wasabi import TracebackPrinter
tb = TracebackPrinter(tb_base="thinc", tb_exclude=("check.py",))
```
| Argument | Type | Description | Default |
| ----------------- | ------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ---------- |
| `color_error` | str / int | Color name or code for errors (passed to `color` helper). | `"red"` |
| `color_tb` | str / int | Color name or code for traceback headline (passed to `color` helper). | `"blue"` |
| `color_highlight` | str / int | Color name or code for highlighted text (passed to `color` helper). | `"yellow"` |
| `indent` | int | Number of spaces to use for indentation. | `2` |
| `tb_base` | str | Name of directory to use to show relative paths. For example, `"thinc"` will look for the last occurence of `"/thinc/"` in a path and only show path to the right of it. | `None` |
| `tb_exclude` | tuple | List of filenames to exclude from traceback. | `tuple()` |
| **RETURNS** | `TracebackPrinter` | The traceback printer. | |
#### <kbd>method</kbd> `TracebackPrinter.__call__`
Output custom formatted tracebacks and errors.
```python
from wasabi import TracebackPrinter
import traceback
tb = TracebackPrinter(tb_base="thinc", tb_exclude=("check.py",))
error = tb("Some error", "Error description", highlight="kwargs", tb=traceback.extract_stack())
raise ValueError(error)
```
```
Some error
Some error description
Traceback:
├─ <lambda> [61] in .env/lib/python3.6/site-packages/pluggy/manager.py
├─── _multicall [187] in .env/lib/python3.6/site-packages/pluggy/callers.py
└───── pytest_fixture_setup [969] in .env/lib/python3.6/site-packages/_pytest/fixtures.py
>>> result = call_fixture_func(fixturefunc, request, kwargs)
```
| Argument | Type | Description | Default |
| ----------- | -------- | ------------------------------------------------------------------------------------------ | ------- |
| `title` | str | The message title. | |
| `*texts` | str | Optional texts to print (one per line). | |
| `highlight` | str | Optional sequence to highlight in the traceback, e.g. the bad value that caused the error. | `False` |
| `tb` | iterable | The traceback, e.g. generated by `traceback.extract_stack()`. | `None` |
| **RETURNS** | str | The formatted traceback. Can be printed or raised by custom exception. | |
### <kbd>class</kbd> `MarkdownRenderer`
Helper to create Markdown-formatted content. Will store the blocks added to the
Markdown document in order.
```python
from wasabi import MarkdownRenderer
md = MarkdownRenderer()
md.add(md.title(1, "Hello world"))
md.add("This is a paragraph")
print(md.text)
```
### <kbd>method</kbd> `MarkdownRenderer.__init__`
Initialize a Markdown renderer.
```python
from wasabi import MarkdownRenderer
md = MarkdownRenderer()
```
| Argument | Type | Description | Default |
| ----------- | ------------------ | ------------------------------ | ------- |
| `no_emoji` | bool | Don't include emoji in titles. | `False` |
| **RETURNS** | `MarkdownRenderer` | The renderer. |
### <kbd>method</kbd> `MarkdownRenderer.add`
Add a block to the Markdown document.
```python
from wasabi import MarkdownRenderer
md = MarkdownRenderer()
md.add("This is a paragraph")
```
| Argument | Type | Description | Default |
| -------- | ---- | ------------------- | ------- |
| `text` | str | The content to add. | |
### <kbd>property</kbd> `MarkdownRenderer.text`
The rendered Markdown document.
```python
md = MarkdownRenderer()
md.add("This is a paragraph")
print(md.text)
```
| Argument | Type | Description | Default |
| ----------- | ---- | -------------------------------- | ------- |
| **RETURNS** | str | The document as a single string. | |
### <kbd>method</kbd> `MarkdownRenderer.table`
Create a Markdown-formatted table.
```python
md = MarkdownRenderer()
table = md.table([("a", "b"), ("c", "d")], ["Column 1", "Column 2"])
md.add(table)
```
<!-- prettier-ignore -->
```markdown
| Column 1 | Column 2 |
| --- | --- |
| a | b |
| c | d |
```
| Argument | Type | Description | Default |
| ----------- | ----------------------- | ------------------------------------------------------------------------------------ | ------- |
| `data` | Iterable[Iterable[str]] | The body, one iterable per row, containig an interable of column contents. | |
| `header` | Iterable[str] | The column names. | |
| `aligns` | Iterable[str] | Columns alignments in order. `"l"` (left, default), `"r"` (right) or `"c"` (center). | `None` |
| **RETURNS** | str | The table. | |
### <kbd>method</kbd> `MarkdownRenderer.title`
Create a Markdown-formatted heading.
```python
md = MarkdownRenderer()
md.add(md.title(1, "Hello world"))
md.add(md.title(2, "Subheading", "💖"))
```
```markdown
# Hello world
## 💖 Subheading
```
| Argument | Type | Description | Default |
| ----------- | ---- | -------------------------------------- | ------- |
| `level` | int | The heading level, e.g. `3` for `###`. | |
| `text` | str | The heading text. | |
| `emoji` | str | Optional emoji to show before heading. | `None` |
| **RETURNS** | str | The rendered title. | |
### <kbd>method</kbd> `MarkdownRenderer.list`
Create a Markdown-formatted non-nested list.
```python
md = MarkdownRenderer()
md.add(md.list(["item", "other item"]))
md.add(md.list(["first item", "second item"], numbered=True))
```
```markdown
- item
- other item
1. first item
2. second item
```
| Argument | Type | Description | Default |
| ----------- | ------------- | ------------------------------- | ------- |
| `items` | Iterable[str] | The list items. | |
| `numbered` | bool | Whether to use a numbered list. | `False` |
| **RETURNS** | str | The rendered list. | |
### <kbd>method</kbd> `MarkdownRenderer.link`
Create a Markdown-formatted link.
```python
md = MarkdownRenderer()
md.add(md.link("Google", "https://google.com"))
```
```markdown
[Google](https://google.com)
```
| Argument | Type | Description | Default |
| ----------- | ---- | ------------------ | ------- |
| `text` | str | The link text. | |
| `url` | str | The link URL. | |
| **RETURNS** | str | The rendered link. | |
### <kbd>method</kbd> `MarkdownRenderer.code_block`
Create a Markdown-formatted code block.
```python
md = MarkdownRenderer()
md.add(md.code_block("import spacy", "python"))
```
````markdown
```python
import spacy
```
````
| Argument | Type | Description | Default |
| ----------- | ---- | ------------------------ | ------- |
| `text` | str | The code text. | |
| `lang` | str | Optional code language. | `""` |
| **RETURNS** | str | The rendered code block. | |
### <kbd>method</kbd> `MarkdownRenderer.code`, `MarkdownRenderer.bold`, `MarkdownRenderer.italic`
Create a Markdown-formatted text.
```python
md = MarkdownRenderer()
md.add(md.code("import spacy"))
md.add(md.bold("Hello!"))
md.add(md.italic("Emphasis"))
```
```markdown
`import spacy`
**Hello!**
_Emphasis_
```
### Utilities
#### <kbd>function</kbd> `color`
```python
from wasabi import color
formatted = color("This is a text", fg="white", bg="green", bold=True)
```
| Argument | Type | Description | Default |
| ----------- | --------- | --------------------------------------------- | ------- |
| `text` | str | The text to be formatted. | - |
| `fg` | str / int | Foreground color. String name or `0` - `256`. | `None` |
| `bg` | str / int | Background color. String name or `0` - `256`. | `None` |
| `bold` | bool | Format the text in bold. | `False` |
| `underline` | bool | Format the text by underlining. | `False` |
| **RETURNS** | str | The formatted string. | |
#### <kbd>function</kbd> `wrap`
```python
from wasabi import wrap
wrapped = wrap("Hello world, this is a text.", indent=2)
```
| Argument | Type | Description | Default |
| ----------- | ---- | ------------------------------------------ | ------- |
| `text` | str | The text to wrap. | - |
| `wrap_max` | int | Maximum line width, including indentation. | `80` |
| `indent` | int | Number of spaces used for indentation. | `4` |
| **RETURNS** | str | The wrapped text with line breaks. | |
#### <kbd>function</kbd> `diff_strings`
```python
from wasabi import diff_strings
diff = diff_strings("hello world!", "helloo world")
```
| Argument | Type | Description | Default |
| ----------- | --------- | ---------------------------------------------------------------------------- | ------------------ |
| `a` | str | The first string to diff. |
| `b` | str | The second string to diff. |
| `fg` | str / int | Foreground color. String name or `0` - `256`. | `"black"` |
| `bg` | tuple | Background colors as `(insert, delete)` tuple of string name or `0` - `256`. | `("green", "red")` |
| **RETURNS** | str | The formatted diff. | |
### Environment variables
Wasabi also respects the following environment variables. The prefix can be
customised on the `Printer` via the `env_prefix` argument. For example, setting
`env_prefix="SPACY"` will expect the environment variable `SPACY_LOG_FRIENDLY`.
| Name | Description |
| ---------------------- | ------------------------------------------------------ |
| `ANSI_COLORS_DISABLED` | Disable colors. |
| `WASABI_LOG_FRIENDLY` | Make output nicer for logs (no colors, no animations). |
| `WASABI_NO_PRETTY` | Disable pretty printing, e.g. colors and icons. |
## 🔔 Run tests
Fork or clone the repo, make sure you have `pytest` installed and then run it on
the package directory. The tests are located in
[`/wasabi/tests`](/wasabi/tests).
```bash
pip install pytest
cd wasabi
python -m pytest wasabi
```