Function to check if a package is installed.

src/biocutils/package_utils.py

@@ -0,0 +1,22 @@
+__author__ = "jkanche"
+__copyright__ = "jkanche"
+__license__ = "MIT"
+
+
+def is_package_installed(package_name: str) -> bool:
+    """Check if the package is installed.
+
+    Args:
+        package_name (str): Package name.
+
+    Returns:
+        bool: True if package is installed, otherwise False.
+    """
+    _installed = False
+    try:
+        exec(f"import {package_name}")
+        _installed = True
+    except Exception:
+        pass
+
+    return _installed

tests/test_package_utils.py

@@ -0,0 +1,22 @@
+from biocutils.package_utils import is_package_installed
+
+__author__ = "jkanche"
+__copyright__ = "jkanche"
+__license__ = "MIT"
+
+
+def test_for_pandas():
+    pkg = is_package_installed("pandas")
+
+    assert pkg is False
+
+
+def test_for_scipy():
+    pkg = is_package_installed("scipy")
+
+    assert pkg is False
+
+def test_for_numpy():
+    pkg = is_package_installed("numpy")
+
+    assert pkg is True