How to fix OSError: [Errno 24] Too many open files in Python

Published: 22 May 2023
on channel: How To Fix
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Hello, Dedicated Coders! 🖥️💡

We're excited to share with you our newest video, "How to solve OSError: [Errno 24] Too many open files in Python". 🎥 This series is meticulously designed to arm you with knowledge 🧠 and skills 🛠️ to overcome frequent coding challenges.

Today, we will decipher 🔎 and resolve a common error faced by Python coders: the bit hard to solve OSError: [Errno 24] Too many open files. Here is a snapshot of the code of the video:

Troubling Scenario: ❗️
open_files = []
for i in range(10000):
open_files.append(open('file'+str(i)+'.txt', 'w'))

Unwanted Result: 🚫
OSError: [Errno 24] Too many open files

Effective Resolution: ✔️
for i in range(10000):
with open('file'+str(i)+'.txt', 'w') as f:
pass

Desired Output: 🏁


In this detailed walkthrough, we will illuminate 💡 the underlying cause of this error, and offer a comprehensive explanation: The error is caused by opening too many files without closing them. The fix uses a context manager ('with' statement) to ensure files are closed after use. 🎯

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