Python Trainer & Consultant. Author of unittest.mock. PSF Fellow. A hoopy frood. Python Core Dev. GenX. Also @mfoord He/him.
Northampton, UK
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"I opened a book and in I strode. Now nobody can find me. I've left my chair, my house, my road, My town and my world behind me."
The Gruffalo creator's 3.1 million units sold in 2024 means she beats JK to claim the record for bestselling author since records began.
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New Python Knowledge Share Video Online: List Comprehensions, Generator Expressions & Function Signatures
This one hour session is on working with data using enumerate, zip plus list comprehensions, generator expressions, and function signatures.
agileabstractions.com/new-vi…
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I worked for a large firm where most of the developers thought they did agile because they did Scrum. Despite the six month release cycle with three week planning phase at the start of each release cycle (and the death march at the end)...
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New Python knowledge share is up now. An hour on Modules, namespaces and imports.
piped.video/watch?v=VuKWsoDo…
Slides and code here: github.com/voidspace/talks/t…
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"Intro to Testing with Pytest" is now live on YouTube. There are six sessions available.
piped.video/watch?v=ZgfpAXAB…
An hour long Python Knowledge Share session on "Intro to testing with pytest" delivered to Gigaclear QA and devs on May 2nd 2024.
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Metaclasses in Five Minutes. A lightning talk at PyCon UK (which was fantastic): piped.video/O2ApDUsPDSc?si=JOpn…
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For new code a better solution is to return a dataclass, from the dataclasses module. dataclass is a class decorator and creates simple object abstractions over data.
It provides type information (uses type annotations) and makes it easy to add methods too.
#Python
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Functions that already return tuples can be upgraded to using namedtuple and remain backwards compatible.
The trouble with a function returning a tuple is that adding additional data, new return values, is then backwards incompatible with code that does tuple unpacking.
#Python
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You can add utility to your code by switching to named tuples (from the collections module) instead of returning a tuple. Named tuples are a subclass of tuple, so all existing code continues to work.
namedtuple is a class factory - it makes and returns classes.
#Python
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Returning tuples combined with tuple unpacking is a lovely Python language feature.
It looks and feels like returning multiple values.
Note that it is the comma that makes the tuple not the parentheses!
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Everything that has ever happened is in the past whilst we only ever live on the bleeding edge.
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A fun look at some obscure corners of Python from an Advanced Python course. Errors you can get with metaclasses & multiple inheritance, starting with a discussion of local variables.
Great fun.
The Four Most Confusing Error Messages in Python (11mins)
piped.video/4t6yzCCQ76I
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Here's a toothy grin from the Weston Super-Mare seafront just before the Exile Hard Dance Heaven day rave at Club Freelove.
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The most confusing error message in Python is multiple inheritance with metaclasses.
So we take a look here at metaclasses, and let this serve as a salutary reminder to steer clear of multiple inheritance and metaclasses.
piped.video/4t6yzCCQ76I
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A digression whilst teaching Advanced Python to look at the four most confusing error messages in Python.
The fourth most confusing error message is to do with local variables. The other three are to do with multiple inheritance.
piped.video/4t6yzCCQ76I
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The Four Most Confusing Error Messages in Python
A short video looking at metaclasses, multiple inheritance and local variables in Python and the four most confusing error messages.
piped.video/watch?v=4t6yzCCQ…
Minger, Shoetown Blue and Rollright are my three current favourite soft cheeses from St Giles Cheese in Northampton.
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In 2022 Python became the most widely used programming language in the world, with 17% of the world's code written in Python. Come and see what love built.
How Python Took Over the World
piped.video/watch?v=gv8VA1Ku…
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How Python Took Over the World
My talk at PyCon MEA in Dubai this year. I talk of revolution and freedom.
The four revolutions of software engineering during my career:
* Agile (testing)
* The cloud
* Devops
* AI
And the freedom Python brings.
piped.video/watch?v=gv8VA1Ku…
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Do something real with your life.
“ When my life was nothing more Than the tick tock of the wall clock I knew I must I must I must Love insanely.” ~ Forough Farrokhzad
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In 1943, in Lancashire, black American soldiers faced off with white American Military police during World War II in Lancashire.
The UK was not segregated so the American army tried to demand that UK pubs practise segregation.
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