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Describe your change:

All CPU Scheduling Algorithm with user interface and user custom inputs with gantt chart, displays waiting, turn around time , avg waiting time and turn around time

  • Add an algorithm?
  • Fix a bug or typo in an existing algorithm?
  • Add or change doctests? -- Note: Please avoid changing both code and tests in a single pull request.
  • Documentation change?

Checklist:

  • I have read CONTRIBUTING.md.
  • This pull request is all my own work -- I have not plagiarized.
  • I know that pull requests will not be merged if they fail the automated tests.
  • This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
  • All new Python files are placed inside an existing directory.
  • All filenames are in all lowercase characters with no spaces or dashes.
  • All functions and variable names follow Python naming conventions.
  • All function parameters and return values are annotated with Python type hints.
  • All functions have doctests that pass the automated testing.
  • All new algorithms include at least one URL that points to Wikipedia or another similar explanation.
  • If this pull request resolves one or more open issues then the description above includes the issue number(s) with a closing keyword: "Fixes #ISSUE-NUMBER".

@algorithms-keeper algorithms-keeper bot added the awaiting reviews This PR is ready to be reviewed label Nov 7, 2025
@algorithms-keeper algorithms-keeper bot added require descriptive names This PR needs descriptive function and/or variable names require tests Tests [doctest/unittest/pytest] are required labels Nov 7, 2025
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algorithms-keeper actions can be triggered by commenting on this PR:

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t += 1
yield (t, None, [])
continue
process = min(ready, key=lambda x: x["burst"])

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Please provide descriptive name for the parameter: x

done += 1

# shortest job first preemptive
def _simulate_sjf_p(self) -> Generator[tuple[int, str | None, list[str]]]:

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As there is no test file in this pull request nor any test function or class in the file scheduling/cpuschedulingalgos.py, please provide doctest for the function _simulate_sjf_p

t += 1
yield (t, None, [])
continue
process = min(ready, key=lambda x: x["remaining"])

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Please provide descriptive name for the parameter: x

t += 1

# priority non preemptive
def _simulate_priority_np(self) -> Generator[tuple[int, str | None, list[str]]]:

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As there is no test file in this pull request nor any test function or class in the file scheduling/cpuschedulingalgos.py, please provide doctest for the function _simulate_priority_np

t += 1
yield (t, None, [])
continue
process = min(ready, key=lambda x: x["priority"])

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Please provide descriptive name for the parameter: x

self.avg_label = ttk.Label(self.root, text="", font=("Arial", 11, "bold"))
self.avg_label.pack()

def add_process(self) -> None:

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As there is no test file in this pull request nor any test function or class in the file scheduling/cpuschedulingalgos.py, please provide doctest for the function add_process

except ValueError:
messagebox.showerror("Error", "Invalid input")

def delete_process(self) -> None:

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As there is no test file in this pull request nor any test function or class in the file scheduling/cpuschedulingalgos.py, please provide doctest for the function delete_process

self.processes = [p for p in self.processes if p["pid"] != pid]
self.tree.delete(sel[0])

def run_scheduling(self) -> None:

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As there is no test file in this pull request nor any test function or class in the file scheduling/cpuschedulingalgos.py, please provide doctest for the function run_scheduling

self.engine = SchedulerEngine(self.processes, algo, quantum)
threading.Thread(target=self.animate, daemon=True).start()

def animate(self) -> None:

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As there is no test file in this pull request nor any test function or class in the file scheduling/cpuschedulingalgos.py, please provide doctest for the function animate

time.sleep(0.3)
self.show_results()

def show_results(self) -> None:

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As there is no test file in this pull request nor any test function or class in the file scheduling/cpuschedulingalgos.py, please provide doctest for the function show_results

@algorithms-keeper algorithms-keeper bot removed the require descriptive names This PR needs descriptive function and/or variable names label Nov 8, 2025
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Click here to look at the relevant links ⬇️

🔗 Relevant Links

Repository:

Python:

Automated review generated by algorithms-keeper. If there's any problem regarding this review, please open an issue about it.

algorithms-keeper commands and options

algorithms-keeper actions can be triggered by commenting on this PR:

  • @algorithms-keeper review to trigger the checks for only added pull request files
  • @algorithms-keeper review-all to trigger the checks for all the pull request files, including the modified files. As we cannot post review comments on lines not part of the diff, this command will post all the messages in one comment.

NOTE: Commands are in beta and so this feature is restricted only to a member or owner of the organization.

t += 1

# round robin
def _simulate_rr(self) -> Generator[tuple[int, str | None, list[str]]]:

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As there is no test file in this pull request nor any test function or class in the file scheduling/cpuschedulingalgos.py, please provide doctest for the function _simulate_rr

process["completion"] = t
done += 1

def _calculate_stats(self) -> None:

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As there is no test file in this pull request nor any test function or class in the file scheduling/cpuschedulingalgos.py, please provide doctest for the function _calculate_stats

self.processes: list[dict] = []
self.setup_ui()

def setup_ui(self) -> None:

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As there is no test file in this pull request nor any test function or class in the file scheduling/cpuschedulingalgos.py, please provide doctest for the function setup_ui

@algorithms-keeper algorithms-keeper bot added the tests are failing Do not merge until tests pass label Nov 8, 2025
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