File with code #!/usr/bin/env python3

import shutil

def check_disk_usage(disk, min_absolute, min_percent):
    """Returns True if there is enough free disk space, false otherwise."""
    du = shutil.disk_usage(disk)
    # Calculate the percentage of free space
    percent_free = 100 * du.free / du.total
    # Calculate how many free gigabytes
    gigabytes_free = du.free / 2**30
    if percent_free < min_percent or gigabytes_free < min_absolute:
        return False
    return True

# Check for at least 2 GB and 10% free
if not check_disk_usage("/", 2*2**30, 10):
    print("ERROR: Not enough disk space")
    return 1

print("Everything ok")
return 0 Command: $ cp disk_usage.py disk_usage_original.py 
$ cp disk_usage.py disk_usage_fixed.py 
# this throws an error
$ ./disk_usage_fixed.py Code output: File "./disk_usage_fixed.py", line 19

    return 1

    ^

SyntaxError: 'return' outside function File with code Adds at the beginning, then change to and to . import sys return 1 sys.exit(1) return 0 sys.exit(0) #!/usr/bin/env python3

import shutil
import sys

def check_disk_usage(disk, min_absolute, min_percent):
    """Returns True if there is enough free disk space, false otherwise."""
    du = shutil.disk_usage(disk)
    # Calculate the percentage of free space
    percent_free = 100 * du.free / du.total
    # Calculate how many free gigabytes
    gigabytes_free = du.free / 2**30
    if percent_free < min_percent or gigabytes_free < min_absolute:
        return False
    return True

# Check for at least 2 GB and 10% free
if not check_disk_usage("/", 2*2**30, 10):
    print("ERROR: Not enough disk space")
    sys.exit(1)

print("Everything ok")
sys.exit(0) Command: $ ./disk_usage_fixed.py Code output: ERROR: Not enough disk space File with code Change in previous file to .Because the code changes the value to gigabytes, so don't need to multiply by . check_disk_usage("/", 2*2**30, 10) check_disk_usage("/", 2, 10) gigabytes_free = du.free / 2**30 2**30 #!/usr/bin/env python3

import shutil
import sys

def check_disk_usage(disk, min_absolute, min_percent):
    """Returns True if there is enough free disk space, false otherwise."""
    du = shutil.disk_usage(disk)
    # Calculate the percentage of free space
    percent_free = 100 * du.free / du.total
    # Calculate how many free gigabytes
    gigabytes_free = du.free / 2**30
    if percent_free < min_percent or gigabytes_free < min_absolute:
        return False
    return True

# Check for at least 2 GB and 10% free
if not check_disk_usage("/", 2, 10):
    print("ERROR: Not enough disk space")
    sys.exit(1)

print("Everything ok")
sys.exit(0) Command: $ ./disk_usage_fixed.py Code output: Everything ok Command: $ diff -u disk_usage_original.py disk_usage_fixed.py > disk_usage.diff
$ cat disk_usage.diff Code output: --- disk_usage_original.py	2023-06-22 15:13:38.591579963 -0700

+++ disk_usage_fixed.py	2023-06-22 15:41:35.013023839 -0700

@@ -1,6 +1,7 @@

 #!/usr/bin/env python3

 

 import shutil

+import sys

 

 def check_disk_usage(disk, min_absolute, min_percent):

     """Returns True if there is enough free disk space, false otherwise."""

@@ -14,9 +15,9 @@

     return True

 

 # Check for at least 2 GB and 10% free

-if not check_disk_usage("/", 2*2**30, 10):

+if not check_disk_usage("/", 2, 10):

     print("ERROR: Not enough disk space")

-    return 1

+    sys.exit(1)

 

 print("Everything ok")

-return 0

+sys.exit(0) Command: $ patch disk_usage.py < disk_usage.diff Code output: patching file disk_usage.py Command: $ ./disk_usage.py Code output: Everything ok

Walkthroughs, tutorials, guides, and tips. This story will teach you how to do something new or how to do something better.

Read My Stories

Portfolio

Hire Me

Buy Me a Coffee

Developer, Writer, Graduate Student, Microsoft Student Ambassador

Too Long; Didn't Read

In your car, at home, or at work — Bosch technology shapes many areas of life.

Git Guide 2: A Practical Application of Diff and Patch

Too Long; Didn't Read

Ethan Wang

STORY’S CREDIBILITY

Guide

About Author

TOPICS

THIS ARTICLE WAS FEATURED IN...

Git Guide 2: A Practical Application of Diff and Patch

Too Long; Didn't Read

Ethan Wang

STORY’S CREDIBILITY

Guide

About Author

TOPICS

THIS ARTICLE WAS FEATURED IN...

RELATED STORIES