### Install OpenAI CLI

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

Installs the OpenAI CLI tool within a Python virtual environment using pip.

```bash
pip install openai-cli
```

--------------------------------

### OpenAI CLI Interactive Mode

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

Shows how to start an interactive shell session with the OpenAI CLI for continuous prompt-response interactions. Press Ctrl+C to exit.

```bash
$ openai repl
Prompt: Can generative AI replace humans?

No, generative AI cannot replace humans.
While generative AI can be used to automate certain tasks,
it cannot replace the creativity, intuition, and problem-solving
skills that humans possess.
Generative AI can be used to supplement human efforts,
but it cannot replace them.

Prompt: ^C
```

--------------------------------

### Generate Fibonacci Python Module and Unit Tests

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

A multi-step example demonstrating how to use the OpenAI CLI to generate a Python Fibonacci function and then create unit tests for it. It involves piping output between commands and using 'black' for formatting and 'pytest' for testing.

```bash
$ mkdir examples
$ touch examples/__init__.py
$ echo "Write Python function to calculate Fibonacci numbers" | openai complete - | black - > examples/fib.py
$ (echo 'Write unit tests for this Python module named "fib":
'; cat examples/fib.py) | openai complete - | black - > examples/test_fib.py
$ pytest -v examples/test_fib.py
============================== test session starts ==============================

examples/test_fib.py::TestFibonacci::test_eighth_fibonacci_number PASSED                                 [ 10%]
examples/test_fib.py::TestFibonacci::test_fifth_fibonacci_number PASSED                                  [ 20%]
examples/test_fib.py::TestFibonacci::test_first_fibonacci_number PASSED                                  [ 30%]
examples/test_fib.py::TestFibonacci::test_fourth_fibonacci_number PASSED                                 [ 40%]
examples/test_fib.py::TestFibonacci::test_negative_input PASSED                                          [ 50%]
examples/test_fib.py::TestFibonacci::test_ninth_fibonacci_number PASSED                                  [ 60%]
examples/test_fib.py::TestFibonacci::test_second_fibonacci_number PASSED                                 [ 70%]
examples/test_fib.py::TestFibonacci::test_seventh_fibonacci_number PASSED                                [ 80%]
examples/test_fib.py::TestFibonacci::test_sixth_fibonacci_number PASSED                                  [ 90%]
examples/test_fib.py::TestFibonacci::test_third_fibonacci_number PASSED                                  [100%]

=============================== 10 passed in 0.02s ===============================
```

--------------------------------

### Build Standalone Binary

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

Builds a standalone binary for the OpenAI CLI using 'pex' and moves it to the system's PATH for global access.

```bash
$ make openai && mv openai ~/bin/
$ openai repl
Prompt:
```

--------------------------------

### OpenAI CLI Basic Usage

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

Demonstrates basic usage of the OpenAI CLI for text completion by piping a prompt to the 'complete' command.

```bash
$ echo "Are cats faster than dogs?" | openai complete -
It depends on the breed of the cat and dog. Generally,
cats are faster than dogs over short distances,
but dogs are better at sustained running.
```

--------------------------------

### OpenAI CLI Help Message

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

Displays the main help message for the OpenAI CLI when run without any arguments, showing available options and commands.

```bash
$ openai
Usage: openai [OPTIONS] COMMAND [ARGS]...

Options:
  --help  Show this message and exit.

Commands:
  complete  Return OpenAI completion for a prompt from SOURCE.
  repl      Start interactive shell session for OpenAI completion API.
```

--------------------------------

### Complete and Format Python Code

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

This snippet demonstrates using the OpenAI CLI to complete Python code based on a prompt, format it with Black, and save the changes.

```bash
$ (echo "Add type annotations for this Python code"; cat examples/fib.py) | openai complete - | black - | tee tmp && mv tmp examples/fib.py
```

--------------------------------

### Jaraco-Packaging Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/ci.txt

Dependencies for jaraco-packaging, a packaging utility.

```python
build[virtualenv]==1.2.2.post1
domdf-python-tools==3.9.0
jaraco-packaging==10.2.3
pytest-checkdocs==2.13.0
sphinx==8.1.3
```

--------------------------------

### Sphinx Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/ci.txt

Dependencies for Sphinx, a documentation generator.

```python
alabaster==1.0.0
babel==2.17.0
docutils==0.21.2
imagesize==1.4.1
jinja2==3.1.5
markupsafe==3.0.2
pygments==2.19.1
snowballstemmer==2.2.0
sphinx==8.1.3
sphinxcontrib-applehelp==2.0.0
sphinxcontrib-devhelp==2.0.0
sphinxcontrib-htmlhelp==2.1.0
sphinxcontrib-jsmath==1.0.1
sphinxcontrib-qthelp==2.0.0
sphinxcontrib-serializinghtml==2.0.0
```

--------------------------------

### Base Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/ci.txt

Core dependencies for the OpenAI CLI project.

```python
alabaster==1.0.0
astroid==3.3.8
babel==2.17.0
build[virtualenv]==1.2.2.post1
coverage[toml]==7.6.12
dill==0.3.9
distlib==0.3.9
domdf-python-tools==3.9.0
filelock==3.17.0
imagesize==1.4.1
iniconfig==2.0.0
isort==6.0.0
jaraco-context==6.0.1
jaraco-packaging==10.2.3
jinja2==3.1.5
markupsafe==3.0.2
mccabe==0.7.0
mypy==1.15.0
mypy-extensions==1.0.0
natsort==8.4.0
packaging==24.2
platformdirs==4.3.6
pluggy==1.5.0
pycodestyle==2.12.1
pyflakes==3.2.0
pygments==2.19.1
pyproject-hooks==1.2.0
pytest==8.3.4
snowballstemmer==2.2.0
sphinx==8.1.3
sphinxcontrib-applehelp==2.0.0
sphinxcontrib-devhelp==2.0.0
sphinxcontrib-htmlhelp==2.1.0
sphinxcontrib-jsmath==1.0.1
sphinxcontrib-qthelp==2.0.0
sphinxcontrib-serializinghtml==2.0.0
tomlkit==0.13.2
typing-extensions==4.12.2
virtualenv==20.29.2
```

--------------------------------

### Mypy Static Analysis Output

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

The output from running mypy on the initial Python Fibonacci code, indicating a missing return statement.

```bash
$ mypy examples/fib.py
examples/fib.py:1: error: Missing return statement  [return]
Found 1 error in 1 file (checked 1 source file)
```

--------------------------------

### Pytest Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/ci.txt

Dependencies for Pytest, a testing framework.

```python
coverage[toml]==7.6.12
iniconfig==2.0.0
packaging==24.2
pluggy==1.5.0
pytest==8.3.4
```

--------------------------------

### CI Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/ci.txt

Dependencies specifically for Continuous Integration (CI) processes.

```python
flake8==7.1.1
flake8-pyproject==1.2.3
mypy==1.15.0
pytest==8.3.4
pytest-checkdocs==2.13.0
pytest-cov==6.0.0
types-requests==2.32.0.20241016
```

--------------------------------

### Python Fibonacci Function

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

The Python code for the Fibonacci sequence function, including type hints.

```python
def Fibonacci(n: int) -> int:
    if n < 0:
        print("Incorrect input")
    # First Fibonacci number is 0
    elif n == 1:
        return 0
    # Second Fibonacci number is 1
    elif n == 2:
        return 1
    else:
        return Fibonacci(n - 1) + Fibonacci(n - 2)
```

--------------------------------

### Pylint Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/ci.txt

Dependencies required for the Pylint static analysis tool.

```python
astroid==3.3.8
dill==0.3.9
isort==6.0.0
mccabe==0.7.0
platformdirs==4.3.6
pylint==3.3.4
tomlkit==0.13.2
```

--------------------------------

### Rewrite Tests with Pytest Parametrized

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

This snippet shows how to use the OpenAI CLI to rewrite Python tests to utilize pytest's `parametrize` decorator for more efficient testing.

```bash
$ (echo "Rewrite these tests to use pytest.parametrized"; cat examples/test_fib.py) | openai complete - | black - | tee tmp && mv tmp examples/test_fib.py
```

--------------------------------

### Mypy Static Analysis Output (Incompatible Return)

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

The output from running mypy after adding `return None`, which results in an incompatible return value type error.

```bash
$ mypy examples/fib.py
examples/fib.py:12: error: Incompatible return value type (got "None", expected "int")  [return-value]
Found 1 error in 1 file (checked 1 source file)
```

--------------------------------

### Pytest Parametrized Fibonacci Tests

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

The refactored Python test code using pytest's `parametrize` to test the Fibonacci function with multiple inputs and expected outputs.

```python
import pytest
from .fib import Fibonacci


@pytest.mark.parametrize(
    "n, expected",
    [(1, 0), (2, 1), (3, 1), (4, 2), (5, 3), (6, 5), (7, 8), (8, 13), (9, 21), (10, 34)],
)
def test_fibonacci(n, expected):
    assert Fibonacci(n) == expected
```

--------------------------------

### Mypy Static Analysis Success

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

The output from running mypy after the final correction, indicating that no issues were found.

```bash
$ mypy examples/fib.py
Success: no issues found in 1 source file
```

--------------------------------

### Base Python Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/base.txt

Lists the core Python packages required for the OpenAI CLI project. These include libraries for handling SSL certificates, character encoding, internationalized domain names, making HTTP requests, and managing network connections.

```python
certifi==2025.1.31
    # via requests
charset-normalizer==3.4.1
    # via requests
idna==3.10
    # via requests
requests==2.32.3
    # via -r requirements/base.in
urllib3==2.3.0
    # via requests
```

--------------------------------

### Fix Mypy Warnings (Return Statement)

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

This snippet shows how to use the OpenAI CLI to fix mypy warnings by adding a return statement to the Python code.

```bash
$ (echo "Fix mypy warnings in this Python code"; cat examples/fib.py; mypy examples/fib.py) | openai complete - | black - | tee tmp && mv tmp examples/fib.py
```

--------------------------------

### Fix Mypy Warnings (Correct Return Value)

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

This snippet demonstrates using the OpenAI CLI to fix the incompatible return value type error by changing the return statement to `return 0`.

```bash
$ (echo "Fix mypy warnings in this Python code"; cat examples/fib.py; mypy examples/fib.py) | openai complete - | black - | tee tmp && mv tmp examples/fib.py
```

--------------------------------

### Flake8 Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/ci.txt

Dependencies for Flake8, a Python code linter.

```python
flake8==7.1.1
mccabe==0.7.0
pycodestyle==2.12.1
pyflakes==3.2.0
```

--------------------------------

### Domdf-python-tools Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/ci.txt

Dependencies for domdf-python-tools, a utility library.

```python
domdf-python-tools==3.9.0
natsort==8.4.0
typing-extensions==4.12.2
```

--------------------------------

### Python Fibonacci Function with Added Return

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

The Python code for the Fibonacci function after adding a `return None` statement to address the mypy warning.

```python
def Fibonacci(n: int) -> int:
    if n < 0:
        print("Incorrect input")
    # First Fibonacci number is 0
    elif n == 1:
        return 0
    # Second Fibonacci number is 1
    elif n == 2:
        return 1
    else:
        return Fibonacci(n - 1) + Fibonacci(n - 2)
    return None  # Added return statement
```

--------------------------------

### MyPy Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/ci.txt

Dependencies for MyPy, a static type checker for Python.

```python
mypy==1.15.0
mypy-extensions==1.0.0
```

--------------------------------

### Generated Fibonacci Unit Tests

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

Python unit tests for the Fibonacci function, generated using the OpenAI CLI. These tests cover various cases including negative input, base cases, and sequential Fibonacci numbers.

```python
import unittest
from .fib import Fibonacci


class TestFibonacci(unittest.TestCase):
    def test_negative_input(self):
        self.assertEqual(Fibonacci(-1), None)

    def test_first_fibonacci_number(self):
        self.assertEqual(Fibonacci(1), 0)

    def test_second_fibonacci_number(self):
        self.assertEqual(Fibonacci(2), 1)

    def test_third_fibonacci_number(self):
        self.assertEqual(Fibonacci(3), 1)

    def test_fourth_fibonacci_number(self):
        self.assertEqual(Fibonacci(4), 2)

    def test_fifth_fibonacci_number(self):
        self.assertEqual(Fibonacci(5), 3)

    def test_sixth_fibonacci_number(self):
        self.assertEqual(Fibonacci(6), 5)

    def test_seventh_fibonacci_number(self):
        self.assertEqual(Fibonacci(7), 8)
```

--------------------------------

### Project Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/local.txt

Lists the core Python dependencies for the OpenAI CLI project, including version specifications. These are the packages directly required for the project's functionality and development.

```python
asttokens==3.0.0
black==25.1.0
cfgv==3.4.0
click==8.1.8
decorator==5.1.1
executing==2.2.0
identify==2.6.7
ipdb==0.13.13
ipython==8.32.0
jedi==0.19.2
matplotlib-inline==0.1.7
nodeenv==1.9.1
parso==0.8.4
pathspec==0.12.1
pex==2.33.0
pexpect==4.9.0
pip-compile-multi==2.7.1
pip-tools==7.4.1
pre-commit==4.1.0
prompt-toolkit==3.0.50
ptyprocess==0.7.0
pure-eval==0.2.3
pyyaml==6.0.2
stack-data==0.6.3
toposort==1.10
traitlets==5.14.3
wcwidth==0.2.13
wheel==0.45.1
```

--------------------------------

### Generated Fibonacci Python Function

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

The Python code for the Fibonacci function, generated using the OpenAI CLI based on a natural language prompt.

```python
def Fibonacci(n):
    if n < 0:
        print("Incorrect input")
    # First Fibonacci number is 0
    elif n == 1:
        return 0
    # Second Fibonacci number is 1
    elif n == 2:
        return 1
    else:
        return Fibonacci(n - 1) + Fibonacci(n - 2)
```

--------------------------------

### Virtualenv Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/ci.txt

Dependencies for virtualenv, a tool for creating isolated Python environments.

```python
distlib==0.3.9
filelock==3.17.0
build[virtualenv]==1.2.2.post1
virtualenv==20.29.2
```

--------------------------------

### CI Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/local.txt

Specifies the dependencies required for the Continuous Integration (CI) environment of the OpenAI CLI project. These packages are typically used for building, testing, and deploying the project.

```python
-r ci.txt
```

--------------------------------

### Unsafe Dependencies

Source: https://github.com/peterdemin/openai-cli/blob/main/requirements/local.txt

Highlights packages identified as potentially unsafe for inclusion in a requirements file. These might include build tools or packages that could have unintended side effects if not managed carefully.

```python
pip==25.0.1
setuptools==75.8.0
```

--------------------------------

### Python Fibonacci Function with Corrected Return

Source: https://github.com/peterdemin/openai-cli/blob/main/README.rst

The Python code for the Fibonacci function after correcting the return statement to `return 0` to satisfy mypy.

```python
def Fibonacci(n: int) -> int:
    if n < 0:
        print("Incorrect input")
    # First Fibonacci number is 0
    elif n == 1:
        return 0
    # Second Fibonacci number is 1
    elif n == 2:
        return 1
    else:
        return Fibonacci(n - 1) + Fibonacci(n - 2)
    return 0  # Changed return statement to return 0
```

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