Use dict.get() to simplify GithubDependentsInfo.__init__()

A subset of the proposed changes in
* nvuillam#659

% [`ruff rule SIM401`](https://docs.astral.sh/ruff/rules/if-else-block-instead-of-dict-get/)
# if-else-block-instead-of-dict-get (SIM401)

Derived from the **flake8-simplify** linter.

Fix is sometimes available.

## What it does
Checks for `if` statements that can be replaced with `dict.get` calls.

## Why is this bad?
`dict.get()` calls can be used to replace `if` statements that assign a
value to a variable in both branches, falling back to a default value if
the key is not found. When possible, using `dict.get` is more concise and
more idiomatic.

Under [preview mode](https://docs.astral.sh/ruff/preview), this rule will
also suggest replacing `if`-`else` _expressions_ with `dict.get` calls.

## Example
```python
if "bar" in foo:
    value = foo["bar"]
else:
    value = 0
```

Use instead:
```python
value = foo.get("bar", 0)
```

If preview mode is enabled:
```python
value = foo["bar"] if "bar" in foo else 0
```

Use instead:
```python
value = foo.get("bar", 0)
```

## References
- [Python documentation: Mapping Types](https://docs.python.org/3/library/stdtypes.html#mapping-types-dict)

## Related Issue

<!-- If your PR refers to a related issue, link it here. -->

## Type of Change

<!-- Mark with an `x` all the checkboxes that apply (like `[x]`) -->

- [ ] 📚 Examples / docs / tutorials / dependencies update
- [x] 🔧 Bug fix (non-breaking change which fixes an issue)
- [ ] 🥂 Improvement (non-breaking change which improves an existing feature)
- [ ] 🚀 New feature (non-breaking change which adds functionality)
- [ ] 💥 Breaking change (fix or feature that would cause existing functionality to change)
- [ ] 🔐 Security fix

## Checklist

<!-- Mark with an `x` all the checkboxes that apply (like `[x]`) -->

- [x] I've read the [`CODE_OF_CONDUCT.md`](https://github.com/nvuillam/github-dependents-info/blob/master/CODE_OF_CONDUCT.md) document.
- [x] I've read the [`CONTRIBUTING.md`](https://github.com/nvuillam/github-dependents-info/blob/master/CONTRIBUTING.md) guide.
- [ ] I've updated the code style using `make codestyle`.
- [ ] I've written tests for all new methods and classes that I created.
- [ ] I've written the docstring in Google format for all the methods and classes that I used.

Author: cclauss

github_dependents_info/gh_dependents_info.py

@@ -15,27 +15,21 @@
 class GithubDependentsInfo:
     def __init__(self, repo, **options) -> None:
         self.repo = repo
-        self.outputrepo = self.repo if "outputrepo" not in options else options["outputrepo"]
-        if self.outputrepo is None or self.outputrepo == "" or len(self.outputrepo) < 4:
+        self.outputrepo = options.get("outputrepo", self.repo)
+        if len(self.outputrepo or "") < 4:
             self.outputrepo = self.repo
         self.url_init = f"https://github.com/{self.repo}/network/dependents"
-        self.url_starts_with = f"/{self.repo}/network/dependents" + "?package_id="
-        self.sort_key = "name" if "sort_key" not in options else options["sort_key"]
-        self.min_stars = None if "min_stars" not in options else options["min_stars"]
-        self.json_output = True if "json_output" in options and options["json_output"] is True else False
-        self.merge_packages = True if "merge_packages" in options and options["merge_packages"] is True else False
-        self.doc_url = options["doc_url"] if "doc_url" in options else None
-        self.markdown_file = options["markdown_file"] if "markdown_file" in options else None
-        self.badge_color = options["badge_color"] if "badge_color" in options else "informational"
-        self.debug = True if "debug" in options and options["debug"] is True else False
-        self.overwrite_progress = (
-            True if "overwrite_progress" in options and options["overwrite_progress"] is True else False
-        )
-        self.csv_directory = (
-            Path(options["csv_directory"])
-            if ("csv_directory" in options and options["csv_directory"] is not None)
-            else None
-        )
+        self.url_starts_with = f"/{self.repo}/network/dependents?package_id="
+        self.sort_key = options.get("sort_key", "name")
+        self.min_stars = options.get("min_stars")
+        self.json_output = bool(options.get("json_output"))
+        self.merge_packages = bool(options.get("merge_packages"))
+        self.doc_url = options.get("doc_url")
+        self.markdown_file = options.get("markdown_file")
+        self.badge_color = options.get("badge_color", "informational")
+        self.debug = bool(options.get("debug"))
+        self.overwrite_progress = (bool(options.get("overwrite_progress")))
+        self.csv_directory = Path(options.get("csv_directory"))
         self.total_sum = 0
         self.total_public_sum = 0
         self.total_private_sum = 0