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Back Tempfile module in Python 23 Jul, 2025
Programming Programming
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The tempfile module in Python is used to create temporary files and directories.

These are useful when you need a file for intermediate steps in your program that doesn’t need to be stored permanently.

✅ Common Uses of tempfile

Task Function Description
Create temporary file tempfile.TemporaryFile() Returns a file-like object that is automatically deleted when closed.
Named temp file tempfile.NamedTemporaryFile() Like TemporaryFile, but with a visible name in the file system.
Create temp directory tempfile.TemporaryDirectory() Creates a temporary directory that is cleaned up when done.
Get system temp dir tempfile.gettempdir() Returns the default temp directory path (e.g., /tmp on Unix, %TEMP% on Windows).

💡 Example

import tempfile

# Create a temporary file and write to it
with tempfile.TemporaryFile(mode='w+t') as temp:
    temp.write("Temporary data")
    temp.seek(0)
    print(temp.read())
# File is automatically deleted here

⚠️ Why Use tempfile?

  • Keeps your filesystem clean

  • Ensures temp files are secure (default permissions restrict access)

  • Avoids naming conflicts (generates unique names)

  • Automatically deletes files/directories after use (in context managers)