Lessons about Python (page 22)

The links, tools and tips our engineers and designers share with each other, one “today I learned” at a time.

lessons shared: 353
people sharing: 27
database started in: 2016

Link offline
pybee.org · offline
A Javascript implementation of the Python virtual machine:
Flávio JuvenalMay 19, 2017
blog.gahooa.com
In Python, you can force your function arguments to be supplied with only with keywords:
Maybe I should have known this about Python by now, but… Little did I know (was wishing for it today), but there IS a way to specify that arguments MUST be keyword only. In this case, everyth…
Flávio JuvenalMay 11, 2017
Today I learned
Before using itertools.groupby(data, keyfunc) remember to sort the data with the same keyfunc.
Victor CarriçoMay 8, 2017
Today I learned
For tests use assertCountEqual, using two sequences it tests if the first contains the same elements as second, regardless of their order.
Rebeca SaraiApril 25, 2017
Link offline
pybit.es · offline
this article explains how to write a decorator that accepts and optional argument
Filipe XimenesApril 13, 2017
dbader.org
Don't know how to use decorators? Here is a quick guide:
Understanding decorators is a milestone for any serious Python programmer. Here’s your step-by-step guide to how decorators can help you become a more efficient and productive Python developer.
Rebeca SaraiApril 11, 2017
Today I learned
Need to use tox while using pyenv? Don't forget to use the packages tox-pyenv for pyenv support and pyenv-implicit to make it find the correct python executable.
Carlos CoelhoApril 8, 2017
Today I learned
To use querystring in urls when using response library for tests, remember to set match_querystring=True in your add method
Carlos CoelhoApril 5, 2017
docs.djangoproject.com
To add a “human touch” to data use: #module-django.contrib.humanize
Rebeca SaraiApril 4, 2017
docs.python.org
If you are testing sending emails in your project and are using mock, use call_args_list method to see a list of all the calls made to the mock object in sequence: #unittest.mock.Mock.call_args_list
Rebeca SaraiMarch 30, 2017
gist.github.com
pyenv for multiple Python installations on OS X.
$ brew update $ brew install pyenv $ pyenv install 3.5.0 $ pyenv install 3.4.3 $ pyenv install 3.3.6 $ pyenv install 3.2.6 $ pyenv install 2.7.10 $ pyenv install 2.6.9 $ pyenv versions * system (set by /Users/bouke/.pyenv/version) 2.6.9 2.7.10 3.2.6 3.3.6 3.4.3 3.5.0 Then, when you need a certain version: pyenv local 3.5.0 This will create a file .python-version, so pyenv will remember the Python version for this directory.
Felipe FariasMarch 30, 2017
github.com
Whenever you need to search deep into dictionaries, a good tool for that is
A python library for accessing and searching dictionaries via /slashed/paths ala xpath. - dpath-maintainers/dpath-python
Carlos CoelhoMarch 29, 2017
Today I learned
Use pip list --not-required to see your main packages without dependencies.
Anderson ResendeMarch 28, 2017
github.com
Pretty and useful exceptions in Python, automatically:
Pretty and useful exceptions in Python, automatically. - Qix-/better-exceptions
Flávio JuvenalMarch 23, 2017
github.com
Safely create links from user inputted text with Bleach library:
Bleach is an allowed-list-based HTML sanitizing library that escapes or strips markup and attributes - mozilla/bleach
Flávio JuvenalMarch 9, 2017

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Lessons about Python (page 22)

A Javascript implementation of the Python virtual machine:

A Javascript implementation of the Python virtual machine:

In Python, you can force your function arguments to be supplied with only with keywords:

In Python, you can force your function arguments to be supplied with only with keywords:

Before using `itertools.groupby(data, keyfunc)` remember to sort the `data` with the same keyfunc.

Before using `itertools.groupby(data, keyfunc)` remember to sort the `data` with the same keyfunc.

For tests use `assertCountEqual`, using two sequences it tests if the first contains the same elements as second, regardless of their order.

For tests use `assertCountEqual`, using two sequences it tests if the first contains the same elements as second, regardless of their order.

this article explains how to write a decorator that accepts and optional argument

this article explains how to write a decorator that accepts and optional argument

Don't know how to use decorators? Here is a quick guide:

Don't know how to use decorators? Here is a quick guide:

Need to use `tox` while using `pyenv`? Don't forget to use the packages `tox-pyenv` for `pyenv` support and `pyenv-implicit` to make it find the correct python executable.

Need to use `tox` while using `pyenv`? Don't forget to use the packages `tox-pyenv` for `pyenv` support and `pyenv-implicit` to make it find the correct python executable.

To use querystring in urls when using `response` library for tests, remember to set `match_querystring=True` in your `add` method

To use querystring in urls when using `response` library for tests, remember to set `match_querystring=True` in your `add` method

To add a “human touch” to data use: #module-django.contrib.humanize

To add a “human touch” to data use: #module-django.contrib.humanize

If you are testing sending emails in your project and are using mock, use `call_args_list` method to see a list of all the calls made to the mock object in sequence: #unittest.mock.Mock.call_args_list

If you are testing sending emails in your project and are using mock, use `call_args_list` method to see a list of all the calls made to the mock object in sequence: #unittest.mock.Mock.call_args_list

`pyenv` for multiple Python installations on OS X.

`pyenv` for multiple Python installations on OS X.

Whenever you need to search deep into dictionaries, a good tool for that is

Whenever you need to search deep into dictionaries, a good tool for that is

Use `pip list --not-required` to see your main packages without dependencies.

Use `pip list --not-required` to see your main packages without dependencies.

Pretty and useful exceptions in Python, automatically:

Pretty and useful exceptions in Python, automatically:

Safely create links from user inputted text with Bleach library:

Safely create links from user inputted text with Bleach library:

Found it useful?
Let’s put it to work.

Lessons about Python (page 22)

A Javascript implementation of the Python virtual machine:

In Python, you can force your function arguments to be supplied with only with keywords:

Before using itertools.groupby(data, keyfunc) remember to sort the data with the same keyfunc.

For tests use assertCountEqual, using two sequences it tests if the first contains the same elements as second, regardless of their order.

this article explains how to write a decorator that accepts and optional argument

Don't know how to use decorators? Here is a quick guide:

Need to use tox while using pyenv? Don't forget to use the packages tox-pyenv for pyenv support and pyenv-implicit to make it find the correct python executable.

To use querystring in urls when using response library for tests, remember to set match_querystring=True in your add method

To add a “human touch” to data use: #module-django.contrib.humanize

If you are testing sending emails in your project and are using mock, use call_args_list method to see a list of all the calls made to the mock object in sequence: #unittest.mock.Mock.call_args_list

pyenv for multiple Python installations on OS X.

Whenever you need to search deep into dictionaries, a good tool for that is

Use pip list --not-required to see your main packages without dependencies.

Pretty and useful exceptions in Python, automatically:

Safely create links from user inputted text with Bleach library:

Found it useful? Let’s put it to work.

Before using `itertools.groupby(data, keyfunc)` remember to sort the `data` with the same keyfunc.

For tests use `assertCountEqual`, using two sequences it tests if the first contains the same elements as second, regardless of their order.

Need to use `tox` while using `pyenv`? Don't forget to use the packages `tox-pyenv` for `pyenv` support and `pyenv-implicit` to make it find the correct python executable.

To use querystring in urls when using `response` library for tests, remember to set `match_querystring=True` in your `add` method

If you are testing sending emails in your project and are using mock, use `call_args_list` method to see a list of all the calls made to the mock object in sequence: #unittest.mock.Mock.call_args_list

`pyenv` for multiple Python installations on OS X.

Use `pip list --not-required` to see your main packages without dependencies.

Found it useful?
Let’s put it to work.