List of videos

Francesco Nazzaro - Image recognition and camera positioning with OpenCV. A tourist guide application. [EuroPython 2015] [21 July 2015] [Bilbao, Euskadi, Spain] OpenCV Python bindings provide several ready to use tools for camera calibration, image recognition and camera position estimation. This talk will show how to recognize a picture, from a library of known paintings, and compute the camera position with respect to the recognized picture using OpenCV and numpy. This is applied to a tourist guide application for Google Glass through the recognition of the paintings exposed in the museum.

Thomas Ballinger - Terminal Whispering [EuroPython 2015] [23 July 2015] [Bilbao, Euskadi, Spain] The terminal emulators we run so many of our programming tools in are more powerful than we remember to give them credit for, and the key to that power is understanding the interface. This talk will cover terminal colors and styles, writing to arbitrary portions of the screen, handling signals from the terminal, determining the terminal's dimensions and scrollback buffer behavior. Terminal programming can get hairy; along the way we'll deal with encoding issues, consider cross platform concerns, acknowledge 4 decades' worth of standards for terminal communication, and consider that humans at interactive terminals may not be the only users of our interfaces. By gaining an understanding of these issues, we'll be able choose from the abstractions over them offered by Python libraries Urwid, Blessings, and Python Prompt Toolkit. This talk requires minimal Python knowledge, but does assume familiarity with command line tools in a unix environment. An abbreviated version of this talk was presented at PyCon 2015 in Montréal: https://www.youtube.com/watch?v=WAitSilLDUA With the additional time I'd hope to present more code examples, a more in- depth tour of existing libraries and more practical advice about writing programs that use the terminal, and an additional example of a difficult terminal details: dealing with reflowing of text in modern terminal emulators like GNOME Terminal and iTerm.

Yamila Moreno - Learnt lessons in a big Django Project [EuroPython 2015] [24 July 2015] [Bilbao, Euskadi, Spain] A Django project, developed for 2 years is a valuable source of anecdotes and wisdom. This talk is a review on the decissions, about human and tech, that my team took during the project. I'll point out the good decissions as well as the bad ones, those which made us learn "the hard way". Both good and bad decissions taught us a lot, and here I compile them, together with a handful of tips which can amuse and, hopefully, inspire the audience, specially those who are facing for the first time a big project.

Brianna Laugher - The realities of open source testing: lessons learned from “Adopt pytest month” [EuroPython 2015] [22 July 2015] [Bilbao, Euskadi, Spain] Ever feel like your open source project could be better tested? Lack of tests holding you back from contributors but you don’t know where to start? You’re not alone. [“Adopt pytest month”][1] was held in April 2015. [Pytest][2] volunteers were paired with open source software projects, to find a path to better testing with pytest. Projects varied from libraries/command line utilities, to a browser, to a complex Django app. In some cases converting existing tests was necessary, in others writing the first tests in existence for non-trivial amounts of code. Two projects were open sourced specifically to take part in “adopt pytest month”. What began as an experiment in increasing software audience proved to be an interesting exercise in strengthening community and most valuable of all, provided a newcomer’s perspective to veteran contributors. This talk will discuss what worked well with “adopt pytest month”, what didn’t, what we learned about pytest and what you could take away for your open source project, be it an improved testing environment or an improved contributor community. A basic knowledge of testing and pytest will be useful. [1]: http://pytest.org/latest/adopt.html [2]: http://pytest.org/latest/

Andreas Kaiser - Standing on the Shoulders of Giants: The Kotti Web Application Framework [EuroPython 2015] [20 July 2015] [Bilbao, Euskadi, Spain] Kotti is a high-level, Pythonic web application framework based on Pyramid, SQLAlchemy and Bootstrap 3. It includes an extensible Content Management System called the Kotti CMS. Kotti is particularly well suited for building custom applications with object level security. It comes with complete user and group management and supports the concepts of global and local roles providing management views for each of those. The talk will give an overview on Kotti, its philosophy, history and future. Target audience are people who want to learn what it is and can be used for. Because Kotti is just a rather small layer on top of its foundations, the talk might also give some interesting insights on how to build a solid (web) framework that suits your personal preferences. References: - http://kotti.pylonsproject.org/ - http://kotti.readthedocs.org/en/latest/

Michael Kuehne - TDD for APIs [EuroPython 2015] [22 July 2015] [Bilbao, Euskadi, Spain] It is always tough to test a complex API comprehensively. The additional level of complexity brings us to the question "How can we validate that our API is working as intended?" In this talk I will explain how to use test driven development for APIs to solve this problem and even further how TDD can drive an API Design towards a more usable design. I will outline my practical approach with an implementation example based on django. And finally I will give you a brief summary of my lessons learned using this approach in customer projects.

Jose Ortega - Python Security & Cryptography [EuroPython 2015] [22 July 2015] [Bilbao, Euskadi, Spain] The talk would aim to introduce cryptography and security from the developer point of view, showing ways to encrypt information with Python scripts and more sensitive information in web applications using django. I will introduce to security in python ,showing some libraries that allow encryption and decryption like PyCrypto or M2Crypto,comparing theses libraries with the cryptography module.At the same time,I will show the main ciphers and hashing algorithms used in these libraries like AES,DES,RSA and some examples illustrating each case.I wil show other techniques like steganography for hiding information in files(images,documents,programs) with some libraries like Stepic or ezPyCrypto. Finally,I will comment OWASP Python Security Project where we can find some useful practices and secure coding guidelines for detecting potential security vulnerabilities in our applications like SQL injection or Cross-site scripting. **Slides** [https://speakerdeck.com/jmortega/python-cryptography-and-security][1] [1]: https://speakerdeck.com/jmortega/python-cryptography-and-security

Haikel Guemar - The Lightweight Cloud Servers War Begins [EuroPython 2015] [20 July 2015] [Bilbao, Euskadi, Spain] Docker has introduced a new model of deployment solving the infamous "Deployment Matrix from Hell" by using containers. But this also brought the spotlight back on the Operating System side, and following the trails of CoreOS and Atomic Host, a new generation of Cloud Servers are born by using containers instead of traditional RPM/DPKG/tarball/whaterver packages model to deploy services. CoreOS/Atomic Host/Snappy Ubuntu and now VMWare Photon also provides transactional image-based OS focusing on security and built-in cluster management. During this talk, we'll present these next-gen OS, and their components and how they fit in.

Petr Viktorin - Import Deep Dive [EuroPython 2015] [24 July 2015] [Bilbao, Euskadi, Spain] Whatever you need to do with Python, you can probably import a library for it. But what exactly happens when you use that import statement? How does a source file that you've installed or written become a Python module object, providing functions or classes for you to play with? While the import mechanism is relatively well-documented in the reference and dozens of PEPs, sometimes even Python veterans are caught by surprise. And some details are little-known: did you know you can import from zip archives? Write CPython modules in C, or even a dialect of Lisp? Or import from URLs (which might not be a good idea)? This talk explains exactly what can happen when you use the import statement – from the mundane machinery of searching PYTHONPATH through subtle details of packages and import loops, to deep internals of custom importers and C extension loading.