imgkit 1.2.3
Wkhtmltopdf python wrapper to convert html to image using the webkit rendering engine and qt

# IMGKit: Python library of HTML to IMG wrapper

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```text
  _____   __  __    _____   _  __  _   _
 |_   _| |  \/  |  / ____| | |/ / (_) | |
   | |   | \  / | | |  __  | ' /   _  | |_
   | |   | |\/| | | | |_ | |  <   | | | __|
  _| |_  | |  | | | |__| | | . \  | | | |_
 |_____| |_|  |_|  \_____| |_|\_\ |_|  \__|

```

Python 2 and 3 wrapper for wkhtmltoimage utility to convert HTML to IMG using Webkit.

## Installation

1.  Install imgkit:

    ```python
    pip install imgkit
    ```

1.  Install wkhtmltopdf:

    - Debian/Ubuntu:

      ```bash
      sudo apt-get install wkhtmltopdf
      ```

      **Warning!** Version in debian/ubuntu repos have reduced functionality (because it compiled without the wkhtmltopdf QT patches), such as adding outlines, headers, footers, TOC etc. To use this options you should install static binary from [wkhtmltopdf](http://wkhtmltopdf.org/) site or you can use this [script](https://github.com/jarrekk/imgkit/blob/master/travis/init.sh).

    - MacOSX:

      ```bash
      brew install --cask wkhtmltopdf
      ```

    - Windows and other options:

      Check [wkhtmltopdf homepage](http://wkhtmltopdf.org/) for binary installers or [wiki page](https://github.com/pdfkit/pdfkit/wiki/Installing-WKHTMLTOPDF).

## Usage

Simple example:

```python
import imgkit

imgkit.from_url('http://google.com', 'out.jpg')
imgkit.from_file('test.html', 'out.jpg')
imgkit.from_string('Hello!', 'out.jpg')
```

Also you can pass an opened file:

```python
with open('file.html') as f:
    imgkit.from_file(f, 'out.jpg')
```

If you wish to further process generated IMG, you can read it to a variable:

```python
# Use False instead of output path to save pdf to a variable
img = imgkit.from_url('http://google.com', False)
```

You can find all wkhtmltoimage options by type `wkhtmltoimage` command or visit this [Manual](https://wkhtmltopdf.org/usage/wkhtmltopdf.txt). You can drop '--' in option name. If option without value, use _None, False_ or _''_ for dict value:. For repeatable options (incl. allow, cookie, custom-header, post, postfile, run-script, replace) you may use a list or a tuple. With option that need multiple values (e.g. --custom-header Authorization secret) we may use a 2-tuple (see example below).

```python
options = {
    'format': 'png',
    'crop-h': '3',
    'crop-w': '3',
    'crop-x': '3',
    'crop-y': '3',
    'encoding': "UTF-8",
    'custom-header' : [
        ('Accept-Encoding', 'gzip')
    ],
    'cookie': [
        ('cookie-name1', 'cookie-value1'),
        ('cookie-name2', 'cookie-value2'),
    ],
    'no-outline': None
}

imgkit.from_url('http://google.com', 'out.png', options=options)
```

At some headless servers, perhaps you need to install **xvfb**:

```bash
# at ubuntu server, etc.
sudo apt-get install xvfb
# at centos server, etc.
yum install xorg-x11-server-Xvfb
```

Then use **IMGKit** with option **xvfb**: `{"xvfb": ""}`.

By default, IMGKit will show all `wkhtmltoimage` output. If you don't want it, you need to pass `quiet` option:

```python
options = {
    'quiet': ''
    }

imgkit.from_url('google.com', 'out.jpg', options=options)
```

Due to wkhtmltoimage command syntax, **TOC** and **Cover** options must be specified separately. If you need cover before TOC, use `cover_first` option:

```python
toc = {
    'xsl-style-sheet': 'toc.xsl'
}

cover = 'cover.html'

imgkit.from_file('file.html', options=options, toc=toc, cover=cover)
imgkit.from_file('file.html', options=options, toc=toc, cover=cover, cover_first=True)
```

You can specify external CSS files when converting files or strings using _css_ option.

```python
# Single CSS file
css = 'example.css'
imgkit.from_file('file.html', options=options, css=css)

# Multiple CSS files
css = ['example.css', 'example2.css']
imgkit.from_file('file.html', options=options, css=css)
```

You can also pass any options through meta tags in your HTML:

```python
body = """
<html>
  <head>
    <meta name="imgkit-format" content="png"/>
    <meta name="imgkit-orientation" content="Landscape"/>
  </head>
  Hello World!
</html>
"""

imgkit.from_string(body, 'out.png')
```

## Configuration

Each API call takes an optional config paramater. This should be an instance of `imgkit.config()` API call. It takes the config options as initial paramaters. The available options are:

- `wkhtmltoimage` - the location of the `wkhtmltoimage` binary. By default `imgkit` will attempt to locate this using which` (on UNIX type systems) or where` (on Windows).
- `xvfb` - the location of the `xvfb-run` binary. By default `imgkit` will attempt to locate this using which` (on UNIX type systems) or where` (on Windows).
- `meta_tag_prefix` - the prefix for `imgkit` specific meta tags - by default this is `imgkit-`

Example - for when `wkhtmltopdf` or `xvfb` is not in `$PATH`:

```python
config = imgkit.config(wkhtmltoimage='/opt/bin/wkhtmltoimage', xvfb='/opt/bin/xvfb-run')
imgkit.from_string(html_string, output_file, config=config)
```

## Troubleshooting

- `IOError: 'No wkhtmltopdf executable found'`:

  Make sure that you have wkhtmltoimage in your `$PATH` or set via custom configuration (see preceding section). _where wkhtmltoimage_ in Windows or _which wkhtmltoimage_ on Linux should return actual path to binary.

- `IOError: 'No xvfb executable found'`:

  Make sure that you have xvfb-run in your `$PATH` or set via custom configuration (see preceding section). _where xvfb_ in Windows or _which xvfb-run_ or _which Xvfb_ on Linux should return actual path to binary.

- `IOError: 'Command Failed'`:

  This error means that IMGKit was unable to process an input. You can try to directly run a command from error message and see what error caused failure (on some wkhtmltoimage versions this can be cause by segmentation faults)

## Credit

[python PDFKit](https://github.com/JazzCore/python-pdfkit)

## IMGKit author

- **jarrekk** <https://github.com/jarrekk>

### Contributors

- **v-hunt** <https://github.com/v-hunt>
- **archydeberker** <https://github.com/archydeberker>
- **arayate** <https://github.com/arayate>
- **xtrntr** <https://github.com/xtrntr>
- **mike1703** <https://github.com/mike1703>
- **themeewa** <https://github.com/themeewa>

## Change log

Go to https://github.com/jarrekk/imgkit/wiki/CHANGE-LOG.