What is the os.error in Python?
Overview
The os.error in Python is the error class for all I/O errors and is an alias of the OSError exception. All the methods present in the OS module will raise the os.error exception when an inaccessible or invalid file path is specified.
Example
Let's see an example of os.error in the code snippet below:
# import os moduleimport ostry:# file pathfilePath = 'demo.txt'# using os.open() to open the filefileDescriptor = os.open(filePath, os.O_RDWR)# using os.close() to close the file descriptoros.close(fileDescriptor)except os.error:print("Error in file:", filePath)
Explanation
- Line 2: We import the
osmodule. - Line 4: We use the
tryblock to execute OS methods. - Line 6: We declare a variable,
filePath, containing the file path. - Line 9: We use the
os.open()method to open the file and create its file descriptor. - Line 12: We use the
os.close()method to close the file descriptor. - Line 14: We use the
exceptblock to catch anyos.errorexception.
Output
When we try to open the file demo.txt in line 9, an os.error exception will be raised. This exception will be caught in the except block. We'll then print Error in file: demo.txt to the console.
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