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Wkhtmltopdf python wrapper to convert html to pdf

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JazzCore/python-pdfkit

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README.rst

Python-PDFKit: HTML to PDF wrapper

Python 2 and 3 wrapper for wkhtmltopdf utility to convert HTML to PDF using Webkit.

This is adapted version of ruby PDFKit library, so big thanks to them!

$ pip install pdfkit (or pip3 for python3)

$ sudo apt-get install wkhtmltopdf

$ brew install homebrew/cask/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 site or you can use this script (written for CI servers with Ubuntu 18.04 Bionic, but it could work on other Ubuntu/Debian versions).

import pdfkit pdfkit.from_url('http://google.com', 'out.pdf') pdfkit.from_file('test.html', 'out.pdf') pdfkit.from_string('Hello!', 'out.pdf')

You can pass a list with multiple URLs or files:

pdfkit.from_url(['google.com', 'yandex.ru', 'engadget.com'], 'out.pdf') pdfkit.from_file(['file1.html', 'file2.html'], 'out.pdf')

Also you can pass an opened file:

with open('file.html') as f: pdfkit.from_file(f, 'out.pdf')

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

# Without output_path, PDF is returned for assigning to a variable pdf = pdfkit.from_url('http://google.com')

You can specify all wkhtmltopdf options. 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).

options = < 'page-size': 'Letter', 'margin-top': '0.75in', 'margin-right': '0.75in', 'margin-bottom': '0.75in', 'margin-left': '0.75in', 'encoding': "UTF-8", 'custom-header': [ ('Accept-Encoding', 'gzip') ], 'cookie': [ ('cookie-empty-value', '""') ('cookie-name1', 'cookie-value1'), ('cookie-name2', 'cookie-value2'), ], 'no-outline': None > pdfkit.from_url('http://google.com', 'out.pdf', options=options)

By default, PDFKit will run wkhtmltopdf with quiet option turned on, since in most cases output is not needed and can cause excessive memory usage and corrupted results. If need to get wkhtmltopdf output you should pass verbose=True to API calls:

pdfkit.from_url('google.com', 'out.pdf', verbose=True)

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

toc = < 'xsl-style-sheet': 'toc.xsl' > cover = 'cover.html' pdfkit.from_file('file.html', options=options, toc=toc, cover=cover) pdfkit.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.

Warning This is a workaround for this bug in wkhtmltopdf. You should try —user-style-sheet option first.

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

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

body = """      Hello World!  """ pdfkit.from_string(body, 'out.pdf') #with --page-size=Legal and --orientation=Landscape

Each API call takes an optional configuration parameter. This should be an instance of pdfkit.configuration() API call. It takes the configuration options as initial parameters. The available options are:

• wkhtmltopdf — the location of the wkhtmltopdf binary. By default pdfkit will attempt to locate this using which (on UNIX type systems) or where (on Windows).
• meta_tag_prefix — the prefix for pdfkit specific meta tags — by default this is pdfkit-

Example — for when wkhtmltopdf is not on $PATH :

config = pdfkit.configuration(wkhtmltopdf='/opt/bin/wkhtmltopdf') pdfkit.from_string(html_string, output_file, configuration=config)

Also you can use configuration() call to check if wkhtmltopdf is present in $PATH :

try: config = pdfkit.configuration() pdfkit.from_string(html_string, output_file) except OSError: #not present in PATH

Debugging issues with PDF generation

If you struggling to generate correct PDF firstly you should check wkhtmltopdf output for some clues, you can get it by passing verbose=True to API calls:

pdfkit.from_url('http://google.com', 'out.pdf', verbose=True)

If you are getting strange results in PDF or some option looks like its ignored you should try to run wkhtmltopdf directly to see if it produces the same result. You can get CLI command by creating pdfkit.PDFKit class directly and then calling its command() method:

import pdfkit r = pdfkit.PDFKit('html', 'string', verbose=True) print(' '.join(r.command())) # try running wkhtmltopdf to create PDF output = r.to_pdf()

• IOError: ‘No wkhtmltopdf executable found’ : Make sure that you have wkhtmltopdf in your $PATH or set via custom configuration (see preceding section). where wkhtmltopdf in Windows or which wkhtmltopdf on Linux should return actual path to binary.
• IOError: ‘Command Failed’ This error means that PDFKit 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 wkhtmltopdf versions this can be cause by segmentation faults)

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Wkhtmltopdf python wrapper to convert html to pdf

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How to Convert Webpage into PDF using Python

Sometimes you may need to convert webpages into PDF for your application or work. In this article, we will look at how to convert webpage into PDF using Python. We will use wkhtmltopdf & pdfkit libraries for this purpose.

How to Convert Webpage into PDF using Python

Here are the steps to convert webpage into PDF using python.

1. Install pdfkit

Open terminal and run the following command to install pdfkit

2. Install wkhtmltopdf

Run the following command to install wkhtmltopdf.

$ sudo apt-get install wkhtmltopdf

3. Convert Webpage into PDF

Let us look at different use cases to convert html to pdf. pdfkit provides various functions to convert your content into pdf files. We will look at them one by one.

Convert File into PDF in Python

Here is the command to convert a downloaded web page html document to pdf.

import pdfkit pdfkit.from_file('/home/ubuntu/test.html','output.pdf')

The from_file function in pdfkit library allows you to convert a file into PDF in python. You need to provide the full path to html file and filename of your pdf. If you only provide filename as first argument, it will look for the document in your present working directory.

Convert URL into PDF in Python

Here is the command to convert a URL into pdf using from_url function.

import pdfkit pdfkit.from_url('https://www.google.com','google.pdf')

The from_url function in pdfkit library allows you to convert URL to PDF in python. You need to provide URL as first argument and pdf file’s name as second argument.

Convert String into PDF in Python

Here is the command to convert string into PDF using from_string function.

import pdfkit pdfkit.from_string('Hello World','hello.pdf')

The from_string function allows you to convert string into PDF in Python. It takes the string as first argument, and PDF file’s name as second argument.

Convert multiple files & strings into PDF

You can also use the above commands to convert multiple files, URLs & strings into PDF file. Just use a list of filenames, URLs, and strings as the first argument. Here are the examples

pdfkit.from_file(['/home/ubuntu/test.html','/home/ubuntu/test2.html','/home/ubuntu/test2.html'],'output.pdf') pdfkit.from_url(['https://www.google.com','https://www.facebook.com'],'two-sites.pdf') pdfkit.from_string(['Hello',' ','World'],'hello.pdf')

In this article, we have learnt different ways to convert our URL, web page and strings into PDF in Python.

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Python – Convert HTML Page to PDF

PDF is one of the most used digital format to save or transfer documents. In this article, we will learn how to convert HTML page to PDF.

What additional libraries or software do we need?

We will use pdfkit library and wkhtmltopdf.

Install pdfkit

To install pdfkit, run the following pip command.

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Install wkhtmltopdf

Ubuntu or Debian users can install wkhtmltopdf using below apt-get command.

sudo apt-get install wkhtmltopdf

Provide the password if prompted.

Windows users can download wkhtmltopdf from this official github repository wkhtmltopdf. The file size would be around 25MB and takes a moment to download.

Once downloaded, double click on the binary file and continue with the installation. It would be mostly installed at the path C:\Program Files\wkhtmltopdf. We should add bin folder to the system PATH variable in Environment Variables. For example, C:\Program Files\wkhtmltopdf\bin.

Restart the command prompt, if you are running the python program using command prompt python command for the Path to take effect.

Example 1: HTML to PDF using URL

Now that the environment is setup, following is a simple example to convert HTML to PDF, where HTML is downloaded from a URL. We use the function from_url().

import pdfkit pdfkit.from_url('https://www.google.com/','sample.pdf') 

The converted PDF file is saved to the current path in the command prompt or terminal.

Output pdf file would look like

Example 2: Convert HTML to PDF from Local File

If your HTML file is stored locally, you can use from_file() function and convert the local HTML file to PDF.

import pdfkit pdfkit.from_file('local.html', 'sample.pdf') 

Example 2: Convert HTML String to PDF

If your HTML data is stored in a Python variable, you can use from_string() function and convert the HTML string to PDF.

import pdfkit var htmlstr = '
Heading 2
Sample paragraph.
' pdfkit.from_string(htmlstr, 'sample.pdf') 

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Summary

We have successfully converted a HTML data to PDF. We have considered HTML data to be from a URL, local file or a string.

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