Trying to upload my django app on my obunto slice. The problem I'm facing right now there are a couple of packages I'm using. Which I installed in site packages on my machine. Now when I put them online on the server their sadly not working. Any ideas how to make them work.
p.s I get a error on import
Python must have a way to find these packages. Did you use standard installation procedures for them (i.e. setup.py install) or copy them in an accessible directory? If you didn't use setup.py install, check your PYTHONPATH environment variable. It should contain the directory where your packages are stored. If it doesn't, you can create it.
This is a Python issue really, not a Django issue.
To get more help paste the import error you're getting, as well as the directory structure of where you installed this package.
Related
Problem
I am attempting to install Python 2.7.16, openpyxl, and pyinstaller onto a Windows 10 machine that is offline for security reasons. To clarify, I have a mapped network drive on there from which I can transfer the files I need to use.
Question
What is the best way to go about this? I currently have a .msi Python installation file directly from their website. The packages I need are packaged as .tar.gz files. I currently have those on my windows machine, but do not want to proceed until I know for sure what I need to do. Also, do I need to do anything for dependencies? If so, how do I find the dependencies for the packages I need?
Side Notes
The version of Python (2.7.16) comes with pip. Not sure if that makes a difference. Downloading and transferring things requires me to ask my admin, for him to download the files, and then transfer them to my drive so I can have them on my computer. If able, I would like to do this in as little attempts as possible.
Useful links
Python: https://www.python.org/downloads/release/python-2716/
openpyxl: https://pypi.org/project/openpyxl/#files
pyinstaller: https://pypi.org/project/PyInstaller/#files
My solution would be to seek out the offline versions of the python and pip installer and follow this guide
Also a great tip: try the complete procedure (the installing of the required software) on a seperate pc which you have disconnected and do the installation. Note everything you have to do to get it working and use those instruction on your originally intended machine. This will prevent you from having to go back and forth and scratch your head while installing on the target machine.
Please note that I have NO idea how python works and this is just a hunch from me as a programmer.
Installing Python and packages on an Offline Machine: A Comprehensive Guide
The Environment
Let us begin by defining the environment in which this guide may be of some great use. If your situation can be described by one or more of the following, you might have great results following this guide...
The machine you are developing on is offline. (No connection to the internet)
You need to develop and run Python on the machine that is completely offline.
If this sounds like you, read the following cases in which a few minor details may make a big difference in getting you started.
Case1:
You are not allowed to plug in any external media devices into the offline machine. This includes but is not limited to a USB, CD, floppy disk, or any other removable media that may be of some use in helping you transfer Python files to the offline machine.
You are allowed to map a network drive (somewhere else on the local network). This would fix the problem mentioned in number one with removable media.
Answer: In this case, just proceed with the guide, as this was my case and I will explain in detail how I solved my problem.
Case2:
There is no physical way to transfer files onto the development machine that is offline.
Answer: If this is your case, you need to get in touch with the admin team who handles the software on your development machine. Direct them to this guide to proceed.
Let's Get Started
Warning A:
The following must be performed on a computer with an internet connection. It is impossible to download things from any website without an internet connection.
Warning B:
There is a longer way, and there is a shorter way to do the following. To avoid the longer way, you must be able to install python on a different machine that is online. This can be the same machine that you are using to download the packages and python version, or it can even be a home machine. This can be any machine in the world that is on the internet. It's sole purpose will be to help you identify the dependencies of each package.
Installing Python
Visit the python website and identify the version you want. 2.7.9 and up is recommended for this guide. Download the file for your specific system.
Python 2.7.9 : https://www.python.org/downloads/release/python-279/
Python 3.7.3 : https://www.python.org/downloads/release/python-373/
The reason I provided Python 2.7.9 is because that is the earliest 2.7.x version that comes with pip (a package manager).
Visit the python package index to locate the packages you will be using in your python project. https://pypi.org/
Search the package you need, go to the downloads, and get the (.tar.gz) file. Not the .whl files unless you know what you are doing with those.
Tip: If you want to keep track of the packages you are installing, I suggest you put them all in one folder somewhere you can find, or just write them down on paper.
Unpack the .tar.gz package files. You can get rid of the .tar.gz once you unpack them as they will not needed any longer.
Install the version of python that you downloaded for your system in step 1 above.
(This may just be running the .msi file for windows or unpacking some files for linux) If you are not sure how, just look at this brilliant guide
https://realpython.com/installing-python/
Now you should be able to go to your terminal and type "python" and get the python interpreter to open up. If you get a "cannot find python command" you need to setup your path variable.
Windows guide: https://geek-university.com/python/add-python-to-the-windows-path/
Linux guide: https://www.tutorialspoint.com/python/python_environment.htm
Your python installation is done! And your packages should also be ready to install!
Installing Python Packages
What you need to know here is that MOST all python packages have dependencies, which are other packages which packages need installed before they can be installed. If you need more explanation on dependencies, read here: https://www.fullstackpython.com/application-dependencies.html
Before proceeding be sure to add the Python/Scripts folder to your path variable too or pip will not work. Follow this link for instructions. https://appuals.com/fix-pip-is-not-recognized-as-an-internal-or-external-command/
Install packages using pip install [package_name] for every package you need, on your machine that is on the internet, and then do a pip freeze to see all the packages installed.
Once you can see all the packages installed, which will include the dependencies for the ones you ran pip install on, you need to manually download these dependencies from the python package index https://pypi.org/ just like you did with the regular packages.
Moving Offline
Once you have identified all the packages you will need, and all of their dependencies, you will need to download them, unpack all of them, and move them into one folder, which I will call "OFFLINE_SETUP_FOLDER".
To be clear:
The packages we installed before was only to find out the dependencies we were going to need. You do not have to re-download the packages you have already downloaded before running pip install. You should only need to download the dependencies you have found during the pip freeze command.
Finally you need to copy into the "OFFLINE_SETUP_FOLDER" your python installation file, be it a .msi file for windows, or the .tar file for linux.
Your "OFFLINE_SETUP_FOLDER" should contain the following...
In the following, package can be the name of any package that you downloaded, and the a and b inpackage1a and package1b just represent dependencies for that package. These file names are just examples for packages
python.msi (installation file for python)
/package1 (normal package folder)
/package1a (package dependency folder)
/package1b (package dependency folder)
/package2 (normal package folder)
/package3 (normal package folder)
/package3a (package dependency folder)
Once this is complete, you need to move that folder onto the machine that is completely offline form the network.
Then run the installation for python as you did before and install it on the machine. Do no forget to setup the path variable. Refer back to the Installing Python section if needed.
Open your terminal or CMD and CD into the "OFFLINE_SETUP_FOLDER".
Now you need to CD into each individual package folder, and run this command: python setup.py install and let it run.
If the package install fails, it will be because one of the dependencies has not been installed. If this is the case, CD into the dependency that is says is missing, and run python setup.py install in there first.
Keep repeating these steps until all packages and dependencies have been installed.
This is the end of this python guide for installing python on an offline machine. I hope this helped :)
I just tried deploying my Django application on my windows machine using Bitnami's Django stack. However, when I try to access my project via localhost/myapp/, I get an error stating that I can't load my modules/python libraries. I checked via pip and I have these modules installed. It seems this error applies to all my modules/python libraries. How do I solve this? Thanks!
When you install the Bitnami Django Stack, it will ask you for changing Association Setting for Python with the following message:
"This option lets you change the Windows properties to associate the Python files to the new Python that are going to be installed. If you have your own Python you may want to disable this feature."
If you decided to use your Python instead of the one that is installed with the Stack, you have must ensure that you have installed Python in your system and all the modules and libraries are loaded, otherwise you won't be able to use any of them.
i need some help.
I searched in internet but i didn't find any response. I'n new in python nad django :) that causes that i'm here.
Maybe i start at the beginning, i have some project django on heroku hosting, and i have repository on git. I check and i don't have ftp connection to heroku :/ and i have only repository on git. In this repository is requirement.txt file but there no information about version of modules.
I want to prepare enviroment on my ubuntu, i downloaded my existing django project and i started server by command
python manage.py server
I was informed by python that i need to install some of module, and library of python etc. Everything went ok until apperad info
ImportError: No module named plugins
There is no name of plugins this showed just plugins. I installed some module like django-plugins ( i think that module have a folder i dist-package like djangoplugins ). It did not help :/, than i created new folder in dist-package ( in python library folder ) "plugins" and i copied content form djangoplugins . This did not help :/. again showed me "ImportError: No module named plugins". i don't have any idea , whats i need to install, i installed every plugins i found in internet and it didn't help.
Maybe you had this problem ? i know that django can be 1.6 version.]
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PROBLEM SOLVED
I have wrong version of django and django-cms.
I'm new at django and i was looking for a wysiwyg and i fuond tinymce.
I installed at pip command line and i expect that create a folder at my folder project like a new app. It dont created no one folder but i did the next steps and for my surprise the app works fine at my project.
I want to know how this app really works at my project, in case im gonne deploy this project and how to deploy the app installed at pip or something like that.
My englhish is not good but i hope that was clear.
The applications, or libraries rather are copied directly inside one of the folders inside your python directory called Lib/site-packages. This exact location depends on your operating system you can find usually find your newly installed packages under
For Windows
C:/PythonXX/Lib/site-packages/
For Linux
/usr/local/lib/pythonX.Y/site-packages
When you run a python script, Python will automatically include these folders as available resources, and when you add for example import X to your code, it will check to see if X is listed.
You have more information on the topic available here.
I am quite a django n00b, but I am reading the eyes out of my head to get it all going. I have a PHP background and struggle with the way and location of reusable apps.
I thought that installed apps should go in an App folder (example django-registration or django-profiles), but after I PIP the app in my virtualenv, I see that the app is installed in a Django folder names "site packages".
Is this the default behavior? Should I copy the 'registration' or 'profile' folder from site packages to my Project? or should I leave them there
Thanks for the help.
If you're intending to simply install packages and not amend their code, there's no problem with them living in Python's site-packages dir.
Because you're using virtualenv, the packages installed while that virtualenv is active will be stored in:
/path/to/virtualenvs/myvirtualenv/lib/python2.x/site-packages/
And it's completely fine for them to stay there. As Daniel R says, what matters is that they are your PYTHONPATH, and virtualenv takes care of making sure they are.
Custom apps you write go in your project. Installed apps you just want to import from into your custom apps can stay in the site-packages folder.
This has nothing to do with Django. This is where Python installs packages. Django doesn't care where they are, as long as they're on the Pythonpath (which they are if they're in site-packages).