#183 Need a beautiful database editor? Look to the Bees!
Published May 29, 2020
31 min
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    Sponsored by DigitalOcean: pythonbytes.fm/digitalocean

    Special guest: Calvin Hendryx-Parker @calvinhp

    Brian #1: fastpages: An easy to use blogging platform, with enhanced support for Jupyter Notebooks.

    • Uses GH actions to Jekyll blog posts on GitHub Pages.
    • Create posts with code, output of code, formatted text, directory from Jupyter Notebooks.
    • Altair interactive visualizations
    • Collapsible code cells that can be open or closed by default.
    • Metadata like title, summary, in special markdown cells.
    • twitter cards and YouTube videos
    • tags support
    • Support for pure markdown posts
    • and even MS Word docs for posts. (but really, don’t).
    • Documentation and introduction written in fastpages itself, https://fastpages.fast.ai/

    Michael #2: BeeKeeper Studio Open Source SQL Editor and Database Manager

    • Use Beekeeper Studio to query and manage your relational databases, like MySQL, Postgres, SQLite, and SQL Server.
    • Runs on all the things (Windows, Linux, macOS)
    • Features
      • Autocomplete SQL query editor with syntax highlighting
      • Tabbed interface, so you can multitask
      • Sort and filter table data to find just what you need
      • Sensible keyboard-shortcuts
      • Save queries for later
      • Query run-history, so you can find that one query you got working 3 days ago
      • Default dark theme
    • Connect: Alongside normal connections you can encrypt your connection with SSL, or tunnel through SSH. Save a connection password and Beekeeper Studio will make sure to encrypt it to keep it safe.
    • SQL Auto Completion: Built-in editor provides syntax highlighting and auto-complete suggestions for your tables so you can work quickly and easily.
    • Open Lots of Tabs: Open dozens of tabs so you can write multiple queries and tables in tandem without having to switch windows.
    • Save queries
    • View Table Data: Tables get their own tabs too! Use our table view to sort and filter results by column.

    Calvin #3: 2nd Annual Python Web Conference

    • The most in-depth Python conference for web developers
      • Targeted at production users of Python
      • Talks on Django, Flask, Twisted, Testing, SQLAlchemy, Containers, Deployment and more
    • June 17th-19th — One day of tutorials and two days of talks in 3 tracks
    • Keynote talks by
      • Lorena Mesa
      • Hynek Schlawack
      • Russell Keith-Magee
      • Steve Flanders
    • Fireside Chat with Carl Meyer about Instragram’s infrastructure, best practices
    • Participate in 40+ presentations and 6 tutorials
    • Fun will be had and connections made
      • Virtual cocktails
      • Online gaming
      • Board game night
    • Tickets are $199 and $99 for Students
      • As a bonus, for every Professional ticket purchased, we'll donate a ticket to an attendee in a developing country.
      • As a Python Bytes listener you can get a 20% discount with the code PB20

    Brian #4: Mimesis - Fake Data Generator

    • “…helps generate big volumes of fake data for a variety of purposes in a variety of languages.”
    • Custom and generic data providers
    • >33 locales
    • Lots of locale dependent providers, like address, Food, Person, …
    • Locale independent providers.
    • Super fast. Benchmarking with 10k full names was like 60x faster than Faker.
    • Data generation by schema. Very cool
        >>> from mimesis.schema import Field, Schema
        >>> _ = Field('en')
        >>> description = (
        ...     lambda: {
        ...         'id': _('uuid'),
        ...         'name': _('text.word'),
        ...         'version': _('version', pre_release=True),
        ...         'timestamp': _('timestamp', posix=False),
        ...         'owner': {
        ...             'email': _('person.email', domains=['test.com'], key=str.lower),
        ...             'token': _('token_hex'),
        ...             'creator': _('full_name'),
        ...         },
        ...     }
        ... )
        >>> schema = Schema(schema=description)
        >>> schema.create(iterations=1)
    - Output:
            "owner": {
              "email": "aisling2032@test.com",
              "token": "cc8450298958f8b95891d90200f189ef591cf2c27e66e5c8f362f839fcc01370",
              "creator": "Veronika Dyer"
            "name": "widget",
            "version": "4.3.1-rc.5",
            "id": "33abf08a-77fd-1d78-86ae-04d88443d0e0",
            "timestamp": "2018-07-29T15:25:02Z"

    Michael #5: Schemathesis

    • A tool for testing your web applications built with Open API / Swagger specifications.
    • Supported specification versions:
      • Swagger 2.0
      • Open API 3.0.x
    • Built with:
    • It reads the application schema and generates test cases which will ensure that your application is compliant with its schema.
    • Use: There are two basic ways to use Schemathesis:
    • CLI supports passing options to hypothesis.settings.
    • To speed up the testing process Schemathesis provides -w/--workers option for concurrent test execution
    • If you'd like to test your web app (Flask or AioHTTP for example) then there is --app option for you
    • Schemathesis CLI also available as a docker image
    • Code example:
        import requests
        import schemathesis
        schema = schemathesis.from_uri("")
        def test_no_server_errors(case):
            # `requests` will make an appropriate call under the hood
            response = case.call()  # use `call_wsgi` if you used `schemathesis.from_wsgi`
            # You could use built-in checks
            # Or assert the response manually
            assert response.status_code < 500

    Calvin #6: Finding secrets by decompiling Python bytecode in public repositories

    • Jesse’s initial research revealed that thousands of GitHub repositories contain secrets hidden inside their bytecode.
    • It has been common practice to store secrets in Python files that are typically ignored such as settings.py, config.py or secrets.py, but this is potentially insecure
    • Includes a nice crash course on Python byte code and cached source
    • This post comes with a small capture-the-flag style lab for you to try out this style of attack yourself.
    • Look through your repositories for loose .pyc files, and delete them
    • If you have .pyc files and they contain secrets, then revoke and rotate your secrets
    • Use a standard gitignore to prevent checking in .pyc files
    • Use JSON files or environment variables for configuration



    • Python 3.9.0b1 Is Now Available for Testing
    • Python 3.8.3 Is Now Available
    • Ventilators and Python: Some particle physicists put some of their free time to design and build a low-cost ventilator for covid-19 patients for use in hospitals. https://arxiv.org/pdf/2003.10405.pdf Search of the PDF for Python:
      • "Target computing platform: Raspberry Pi 4 (any memory size), chosen as a trade-off between its computing power over power consumption ratio and its wide availability on the market; • Target operating: Raspbian version 2020-02-13; • Target programming language: Python 3.5; • Target PyQt5: version 5.11.3."
      • "The MVM GUI is a Python3 software, written using the PyQt5 toolkit, that allows steering and monitoring the MVM equipment."



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