Python - Revision history

Pio2pio: /* Python3 - Virtual environments */

2020-07-29T18:35:29Z

Python3 - Virtual environments

← Older revision		Revision as of 20:35, 29 July 2020
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	sudo apt install build-essential libssl-dev libffi-dev python-dev		sudo apt install build-essential libssl-dev libffi-dev python-dev
	sudo apt install virtualenv python3-virtualenv python3-pip		sudo apt install virtualenv python3-virtualenv python3-pip
			sudo apt install python3-venv # Debian, Ubuntu systems, tested with U20.04

	# Python3.3+ use native command to create virtual environments		# Python3.3+ use native command to create virtual environments

Pio2pio: /* Python3 - Virtual environments */

2020-07-29T18:32:32Z

Python3 - Virtual environments

← Older revision		Revision as of 20:32, 29 July 2020
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	A virtual environment, or virtualenv as it's sometimes called, is a sandbox where you can install only the Python packages you need.		A virtual environment, or virtualenv as it's sometimes called, is a sandbox where you can install only the Python packages you need.
	<source lang="bash">		<source lang="bash">
	python3 -V # ~~check version~~		python3 -V # -> eg. Python 3.6.8
	Python 3.6.8

	# Install virtualenv python3 packages		# Install virtualenv python3 packages

Pio2pio: /* Python3 - Virtual environments */

2020-07-29T18:32:03Z

Python3 - Virtual environments

← Older revision		Revision as of 20:32, 29 July 2020
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	sudo apt install virtualenv python3-virtualenv python3-pip		sudo apt install virtualenv python3-virtualenv python3-pip

	# ~~Deactivate if already in context of the~~ virtual ~~environment~~		# Python3.3+ use native command to create virtual environments
	~~(ansible) vagrant@ubuntu~~-~~bionic ~ $ deactivate~~		python3 -m venv venv # 1st venv is the command, 2nd "venv" is a project name
	~~vagrant@ubuntu-bionic ~ $~~ # ~~deactivated~~ venv

	# (Depricated) legacy method to create virtualenv		# (Depricated) legacy method to create virtualenv
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	virtualenv -p /usr/bin/python3.6 venv # create venv pointing to use specific executable, could be eg. py2.7		virtualenv -p /usr/bin/python3.6 venv # create venv pointing to use specific executable, could be eg. py2.7

	~~# Since Python3.3+ use native command to create virtual environments~~		$ source ./venv/bin/activate # activate
	~~python3 -m venv venv # 1st venv is the command, 2nd "venv" is a project name~~		(venv) ubuntu@u18gui-1:~/py$ # <- prompt updated with env name
			$ deactivate # deactivate
	source ./venv/bin/activate # activate		vagrant@ubuntu-bionic ~ $ # <- prompt cleaned
	(venv) ubuntu@u18gui-1:~/py$ # prompt ~~changed~~
	deactivate # deactivate

	# Running venv without activating, work the same as if you had activated the virtual environment		# Running venv without activating, work the same as if you had activated the virtual environment

Pio2pio: /* Selenium Webdriver running in a docker */

2020-04-15T21:48:06Z

Selenium Webdriver running in a docker

← Older revision		Revision as of 23:48, 15 April 2020
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	[https://gist.github.com/pcgeek86/a1fd9d26f8ad46b51adf9513f67b95f2 Install Selenium and run from a terminal]		[https://gist.github.com/pcgeek86/a1fd9d26f8ad46b51adf9513f67b95f2 Install Selenium and run from a terminal]
	<source lang=bash>		<source lang=bash>
	~~sudo apt update~~
	sudo apt install firefox python3-pip xvfb x11-utils --yes		sudo apt install firefox python3-pip xvfb x11-utils --yes
	sudo -H pip3 install bpython selenium		sudo -H pip3 install bpython selenium # better option is to install in virtual environment

	export DISPLAY=:2 # fake X display		export DISPLAY=:2 # fake X display
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	wget https://github.com/mozilla/geckodriver/releases/download/$GECKO_DRIVER_VERSION/geckodriver-$GECKO_DRIVER_VERSION-linux64.tar.gz		wget https://github.com/mozilla/geckodriver/releases/download/$GECKO_DRIVER_VERSION/geckodriver-$GECKO_DRIVER_VERSION-linux64.tar.gz
	tar -xvzf geckodriver-$GECKO_DRIVER_VERSION-linux64.tar.gz		tar -xvzf geckodriver-$GECKO_DRIVER_VERSION-linux64.tar.gz
	rm geckodriver-$GECKO_DRIVER_VERSION-linux64.tar.gz		rm geckodriver-$GECKO_DRIVER_VERSION-linux64.tar.gz
	chmod +x geckodriver		chmod +x geckodriver
	sudo cp geckodriver /usr/local/bin/		sudo cp geckodriver /usr/local/bin/

	cat <<EOF > script.py		cat <<EOF > script.py
Line 194:		Line 193:
	EOF		EOF
	chmod +x script.py		chmod +x script.py
	</~~code~~>		</source>


	Official Selenium docker images can get a lot of parameters:		Official Selenium docker images can get a lot of parameters:

Pio2pio: /* Selenium Webdriver running in a docker */

2020-04-15T21:46:10Z

Selenium Webdriver running in a docker

@@ Line 165: / Line 165: @@
 *[https://github.com/SeleniumHQ/docker-selenium Selenium docker-hub image]
 *[https://www.blazemeter.com/blog/how-to-run-selenium-tests-in-docker/ how-to-run-selenium-tests-in-docker]
 Official Selenium docker images can get a lot of parameters:

Pio2pio: /* Install geckodriver on Ubuntu */

2020-04-15T21:44:01Z

Install geckodriver on Ubuntu

← Older revision		Revision as of 23:44, 15 April 2020
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	</source>		</source>

	~~Install~~		;[https://github.com/mozilla/geckodriver/ Firefox geckodriver] (verified on Ubuntu 16.04, 18.04 running on Vagrant)
	<source lang="bash">		<source lang="bash">
	~~## Geckodriver (verified on Ubuntu 16.04 running on Vagrant)~~		wget https://github.com/mozilla/geckodriver/releases/download/v0.26.0/geckodriver-v0.26.0-linux64.tar.gz
	wget https://github.com/mozilla/geckodriver/releases/download/v0.21.0/geckodriver-v0.21.0-linux64.tar.gz		sudo sh -c 'tar -x geckodriver -zf geckodriver-v0.26.0-linux64.tar.gz -O > /usr/bin/geckodriver'
	sudo sh -c 'tar -x geckodriver -zf geckodriver-v0.21.0-linux64.tar.gz -O > /usr/bin/geckodriver'
	sudo chmod +x /usr/bin/geckodriver		sudo chmod +x /usr/bin/geckodriver
	rm geckodriver-v0.21.0-linux64.tar.gz		rm geckodriver-v0.26.0-linux64.tar.gz
			</source>

	## Chromedriver
			;Chromedriver
			<source lang="bash">
	wget https://chromedriver.storage.googleapis.com/2.29/chromedriver_linux64.zip		wget https://chromedriver.storage.googleapis.com/2.29/chromedriver_linux64.zip
	unzip chromedriver_linux64.zip		unzip chromedriver_linux64.zip

Pio2pio: /* Selenium Webdriver running in a docker */

2020-04-15T21:40:59Z

Selenium Webdriver running in a docker

← Older revision		Revision as of 23:40, 15 April 2020
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	* basic run uses [https://en.wikipedia.org/wiki/Xvfb Xvfb] <tt>X virtual framebuffer</tt> and shared memory volume <code>-v /dev/shm:/dev/shm</code>		* basic run uses [https://en.wikipedia.org/wiki/Xvfb Xvfb] <tt>X virtual framebuffer</tt> and shared memory volume <code>-v /dev/shm:/dev/shm</code>
	* it's possible to run in complete headless mode without <code>Xvfb</code>		* it's possible to run in complete headless mode without <code>Xvfb</code>
	* can be run as a server ~~and~~ Python code pointing to a remote server where webdriver runs on		* can be run as a server then Python code pointing to the remote server where webdriver runs on

	= Serverless - AWS Lambda =		= Serverless - AWS Lambda =
	== [https://read.iopipe.com/the-right-way-to-do-serverless-in-python-e99535574454 The Right Way™ to do Serverless in Python] ==		== [https://read.iopipe.com/the-right-way-to-do-serverless-in-python-e99535574454 The Right Way™ to do Serverless in Python] ==

Pio2pio: /* Serverless - AWS Lambda */

2020-04-15T21:40:01Z

Serverless - AWS Lambda

@@ Line 160: / Line 160: @@
 Now you can [[Linux_terminal_image_preview|preview the screenshot]] from the terminal window.
 = Serverless - AWS Lambda =
 == [https://read.iopipe.com/the-right-way-to-do-serverless-in-python-e99535574454 The Right Way™ to do Serverless in Python] ==

Pio2pio: /* Selenium - Website automation test to mimic human interaction - page login */

2020-04-15T21:23:54Z

Selenium - Website automation test to mimic human interaction - page login

← Older revision		Revision as of 23:23, 15 April 2020
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	driver.close		driver.close
	</source>		</source>


			Now you can [[Linux_terminal_image_preview\|preview the screenshot]] from the terminal window.

	= Serverless - AWS Lambda =		= Serverless - AWS Lambda =

Pio2pio: /* Python3 - Virtual environments */

2020-04-15T11:04:50Z

Python3 - Virtual environments

← Older revision		Revision as of 13:04, 15 April 2020
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	sudo apt install virtualenv python3-virtualenv python3-pip		sudo apt install virtualenv python3-virtualenv python3-pip

	# ~~Legacy~~ method to create virtualenv		# Deactivate if already in context of the virtual environment
			(ansible) vagrant@ubuntu-bionic ~ $ deactivate
			vagrant@ubuntu-bionic ~ $ # deactivated venv

			# (Depricated) legacy method to create virtualenv
	virtualenv -p python3 venv # create		virtualenv -p python3 venv # create
	virtualenv -p /usr/bin/python3.6 venv # create venv pointing to use specific executable, could be eg. py2.7		virtualenv -p /usr/bin/python3.6 venv # create venv pointing to use specific executable, could be eg. py2.7