Fatal Python error: failed to get random numbers to initialize Python

Fatal Python error: failed to get random numbers to initialize Python

Environment windows 10, VSC 15

Using CreateProcessA winapi and passing lpenvironment variable to run python with scripts. when lpenvironment is passed null, it works fine. If I set environment variable PATH and PYTHONPATH = «paths», and pass that LPSTR(env.c_Str()), it throws above error on running. The python version is 3.5.6

Some more details.

1. I run child process python.exe «C:\Program Files\endpoint\Python_ML\mlprocessor_server.py» using CreateProcessA WINAPI.
2. I want to run child process with two environmental variables «PYTHONPATH» and «PATH». PYTHONPATH=»C:\Program Files\endpoint\Python»;»C:\Program Files\endpoint\Python\Scripts»;»C:\Program Files\endpoint\Python\include»;»C:\Program Files\endpoint\Python\Lib»;»C:\Program Files\endpoint\Python\libs»;»C:\Program Files\endpoint\Python\Lib\site-packages»;»C:\Program Files\endpoint\Python_ML» PATH=»C:\Program Files\endpoint\Python»;»C:\Program Files\endpoint\Python\Lib»;»C:\Program Files\endpoint\Python\Scripts»;»C:\Program Files\endpoint\Python\libs»

For some reason, the 7th parameter in CreateProcessA fails, the python.exe runs successfully if it is null, or else it prints «Fatal Python error: failed to get random numbers to initialize Python».

The way I set the parameter as follows.

std::string Base = Configuration::getBasePath();

Fatal Python error

Добрый день, столкнулась с такой ошибкой, что и в какой момент пошло не так, я не понимаю. Может кто-то сталкивался

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Fatal Python error
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может есть тут кто может вообще объяснить ,что произошло и из-за чего ошибка возникла?

Решение

Мой файл io.py (нетронутый, из Python 3.8, но не суть) ) : 72 строчка: class IOBase(_io._IOBase, metaclass=abc.ABCMeta):
Ваш файл io.py (испорченный шаловливыми ручонками?): 72 строчка: class IOBase(_io_.IOBase):

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Daemon not launched on Windows, throwing «Fatal Python error: Failed to initialize Windows random API (CryptoGen)» #25

Comments

PyrApple commented Feb 26, 2015

Run of blenderVR with powershell in a windows environment (by Vaclav Mares, beta tester) throws:

BlenderVR Log Window:
2015-02-20 22:44:22,317 blenderVR version: 1.0
2015-02-20 22:44:22,465 Creation of screen «console»
2015-02-20 22:44:22,479 Loading «Processor» class from
«D:/My/BlenderVRBuild/samples/basic\basic.processor.py» as main processor
2015-02-20 22:44:22,481 Get loader script name: C:\Python34\python.exe
D:\My\BlenderVRBuild\blender-vr\utils\update_loader.py —

D:/My/BlenderVRBuild/samples/basic/basic.blend

BlenderVR console:
2015-02-20 22:44:47,831 Command to run daemon: C:\Python34\python.exe
D:\My\BlenderVRBuild\blender-vr\utils\daemon.py Washek-PC:31415 console
debug
2015-02-20 22:44:47,831 Its environment variables: <>

2015-02-20 22:44:48,336 Cannot start daemon for screen ‘console

Fatal Python error: Failed to initialize Windows random API (CryptoGen)

It seems related to python issue:
«»»
On Windows, if Python is started with an empty environment (no
environment variable at all), Python fails with: «Fatal Python error:
Failed to initialize Windows random API (CryptoGen)»
«»»
http://bugs.python.org/issue20614

Next step: reproduce bug in windows env (may need to copy Valclav’s PowerShell / Python config)

The text was updated successfully, but these errors were encountered:

Fatal Python error when running 32bit Python via tox on Windows #260

Comments

pytoxbot commented Sep 17, 2016

Bitbucket: https://bitbucket.org/hpk42/tox/issue/260 Originally reported by: @The-Compiler Originally created at: 2015-06-23T20:47:48.100

With this tox.ini:

and a minimal setup.py:

I get this when running it on Windows:

Searching for the error it seems this happens when SYSTEMROOT is not set.

Even though SYSTEMROOT is printed in the environment above, I tried to add passenv = * and setenv = SYSTEMROOT=C:\Windows without any success.

When I run that Python install by hand, it works fine. When I use a 64bit install instead of the 32bit one on the same machine, it’s fine as well.

I also tried downgrading to 1.9.2 and it happens there as well, so it doesn’t seem to be a recent passenv change.

The text was updated successfully, but these errors were encountered:

pytoxbot commented Sep 17, 2016

Original comment by @The-Compiler

After some more investigating this seems to be some weird bug in Python or Windows.

I opened a Python issue and a virtualenv issue (for a possible workaround) now.

pytoxbot commented Sep 17, 2016

Original comment by @The-Compiler

Oh the joy of getting the important ideas only after opening an issue.

Fatal Python error: Py_Initialize: unable to load the file system codec. ImportError: No module named ‘encodings’

I am trying to make simple python program that is opening list of webpages for a user to manually download reports from the site. I don’t have any previous experience with preparing exe files.. And I’m just in learning process for python coding. All of this is done on Windows 7 x64

This is my python code:

My setup.py file looks like this:

First issue I had to resolved was a missing files (webdriver.xpi and webdriver_prefs.json) from selenium package, but I’ve successfully included them in to library.rar file after compilation by hand. Unfortunately right know after running my file I get message:

2 Answers 2

Setup: MAC OSX ANACONDA

It happens when there are multiple versions of python installed or partially deleted environments are present i.e just removing the packages/installations, not the path variables.

Things to check upfront:

If not, set the environment variables by updating your .bashrc or .bash_profile using

To set these varuiables in your current shell, run source .bashrc .

If this doesn’t solve your problem then, search for folders with the name «encodings» listed in your machine.

find / -type d -name «encodings» which prints a list of directories having a folder named «encodings».

Remove all directories not pointing to your python in use.