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"could not run curl-config:

python
package-management
dependency-installation
virtual-environments
Nikita BarsukovbyNikita Barsukov·Jan 27, 2025
TLDR

Solve the pycurl install error by adding libcurl dev tools:

Debian/Ubuntu:

sudo apt-get install libcurl4-openssl-dev # Debian, *buntu, and friends

Red Hat/CentOS/Fedora:

sudo yum install libcurl-devel # Red Hat's clan and Fedora fashionistas

Alpine:

sudo apk add curl-dev # Alpine climbers

macOS (Homebrew):

brew install curl # Apple pie, oh wait, Apple OS!

After you've performed these actions, run the retry:

pip install pycurl

Make sure to use commands that align with your OS's package manager.

Behind the Error Message

"Could not run curl-config: [Errno 2] No such file or directory,": this error signals your system is missing libcurl development package that's needed by pycurl to communicate with the underlying libcurl library.

Hunting down Development Packages

Installing libcurl4-openssl-dev is essential in solving the missing curl-config file. If you're in the Ubuntu 18.04 realm or other Debian-based lands, ensure to also install libssl-dev for that SSL/TLS compatibility, handling your secure data transfers like a pro!

Permission Game

Don't understimate the power of the sudo. Always juice up your permissions when installing packages, especially in a shared or system-protected environment. This helps ward off permission issues in your heroic installation journey.

A Step Beyond curl-config

Still seeing the error message? Go the extra mile by installing other related dependencies. On Ubuntu and similar distributions, python-dev could be the leeway you need for fitting the puzzle pieces together.

Juggling with Environments

Pycurl installation isn't a one-size-fits-all. It's a tricky puzzle that fits differently based on the system and the environment. Here's how:

The Virtual Trick

Working within virtual environments like virtualenv or conda? Activate your environment before running install commands. It's like knowing the local dialect before striking a conversation.

Python Version Tango

Juggling with multiple Python versions? Use the pythonX.X-dev package that matches your Python version.

Old-school pycurl from Source

When package managers look the other way, consider building pycurl from source. That's right, like a blacksmith forging his sword:

python setup.py install # # Forging pycurl...and it's hot!

Consider going this route only if you're ready to get your hands dirty managing dependencies and paths.

Tackling Common Issues

Still in troubled waters? Fret not! Here are some life jackets:

Decoding Compiler Riddles

Don't treat compiler output as gibberish. It may give hints about other missing dependencies or monsters in the build process.

It's Path-Check Time

Lost the curl-config script? It might be in /usr/bin/ or somewhere off the beaten path. So, double-check your PATH!

Embrace the Package Updates

Staying updated and upgraded is key to avoiding common compatibility issues:

sudo apt-get update && sudo apt-get upgrade # Like keeping your sword sharp and shiny!