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1. #Linux python pdfkit configure path to wkhtmltopdf pdf#
2. #Linux python pdfkit configure path to wkhtmltopdf install#
3. #Linux python pdfkit configure path to wkhtmltopdf full#
4. #Linux python pdfkit configure path to wkhtmltopdf license#

#Linux python pdfkit configure path to wkhtmltopdf pdf#

Wkhtmltopdf is an open-source command line tool that enables you to easy convert an HTML file to a PDF file. For those who have used template languages before, you can probably imagine the usefulness of a function like this in combination with Jinja or template rendering engines commonly found in Web Frameworks (like Django).Īfter doing some research on third party libraries that could simplify our goal, I decided to use wkhtmltopdf. This article will use us-east-2 for the AWS region, changing this shouldn't effect functionality, just the links within the article.Ī better way to do this is through AWS Serverless Application Model (SAM), but this is more tailored for those looking for the basic setup through the AWS Management Console.Ī common task I've found myself undertaking recently is programmatically converting an HTML file/string to an embedded and stylized PDF file.Īn example use case for this might be exporting a self-managed customer invoice or generating a daily report from an existing HTML template. The event payload will contain all valid values (S3 bucket name, file key, wkhtmltopdf options etc.).It may be best to only accept S3 file keys instead of HTML strings, but this is simply to show our functions possibilities or be used as an internal tool. It is very important that you check validity of this HTML prior to calling this function if you ever use something similar in production. The HTML string or file will be valid and will include the necessary tags (, ,, ).Most of the ones we'd want anyways are the default (i.e.Accept a small set of options for the wkhtmltopdf command.Return a file key for the generated PDF.Allow passing either an S3 file key or an HTML string.This article assumes access to an AWS account (free-tier is acceptable) and basic knowledge of AWS Lambda/S3 and Python. For more in-depth Python focused usage, also check out pdfkit.We will use Python's subprocess module to call the wkhtmltopdf command.Creating the AWS Lambda layer(s) and configuring our function.To set up an easy to call HTML to PDF converter as an AWS Lambda function.

#Linux python pdfkit configure path to wkhtmltopdf license#

See LICENSE for details.Building an AWS lambda function that uses Python and wkhtmltopdf to convert an HTML file to a PDF file. Bonus points for topic branches.Ĭopyright (c) 2010 Jared Pace. (if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull)

This is important so I don't break it in a

#Linux python pdfkit configure path to wkhtmltopdf install#

Setup your development environment with: gem install bundler bundle install.

Headers specify "content-type: application/pdf" Mangled output in the browser: Be sure that your HTTP response Root_url configuration may be what you are looking for change your HTML source make sure you use complete paths (either file paths or If you are using PDFKit to generate PDFs from a raw Make sure you are using absolute paths (start with forward slash) to To the fact that wkhtmltopdf does not know where to find those files. Resources aren't included in the PDF: Images, CSS, or JavaScriptĭoes not seem to be downloading correctly in the PDF. Then to run the app unicorn_rails -c config/nf (from rails_root) Group in your Gemfile gem 'unicorn' then run bundle. Like Passenger or try to embed your resources within your HTML toĮxample solution (rails / bundler), add unicorn to the development To getĪround this issue you may want to run a server with multiple workers This is usually not an issue in a production environment. Request and the initial request will be waiting on the resource

This is because the resource requests will get blocked by the initial Requires wkhtmltopdf to hit your server again (for images, js, css). This can cause issues when rendering your pdf Single thread issue: In development environments it is common to run a The PDFKit-save-pdf header is never sent back to the client. If the path is not writable/non-existent the write will fail silently. pdf to be saved to path/to/saved.pdf in addition to being sent back to the client. ( ///site.css) that need to be resolved, you can pass :root_url If the source HTML has relative URLs ( /images/cat.png) or stylesheets 'Letter' ) kit.

#Linux python pdfkit configure path to wkhtmltopdf full#

# PDFKit.new takes the HTML and any options for wkhtmltopdf # run `wkhtmltopdf -extended-help` for a full list of options kit = PDFKit.