Add py38 compatibility

README.md

@@ -152,7 +152,7 @@ source venv/bin/activate  # On Windows: venv\Scripts\activate
 pip install -e ".[dev]"
 ```
 
-**Note**: This package has no external runtime dependencies (uses only Python standard library). Development dependencies (pytest, pytest-cov) are only needed for running tests.
+**Note**: This package has no external runtime dependencies (uses only Python standard library). Development dependencies (pytest, pytest-cov) are only needed for running tests. **Python >= 3.10 is required for installing the development dependencies.**
 
 ## Quick Start
 

dataprov/dataprov.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 """
 Data Provenance Tracking Library (PROV-JSON Format)
 
@@ -854,9 +856,7 @@ def add(
         }
 
         # Process input entities
-        for i, (file_path, file_format) in enumerate(
-            zip(inputs, input_formats, strict=True)
-        ):
+        for i, (file_path, file_format) in enumerate(zip(inputs, input_formats)):
             entity_id = f"entity:{file_path}"
 
             # Create entity if not exists
@@ -917,9 +917,7 @@ def add(
             self.data["used"][usage_id] = usage
 
         # Process output entities
-        for i, (file_path, file_format) in enumerate(
-            zip(outputs, output_formats, strict=True)
-        ):
+        for i, (file_path, file_format) in enumerate(zip(outputs, output_formats)):
             entity_id = f"entity:{file_path}"
 
             # Create entity

pyproject.toml

@@ -4,14 +4,14 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "dataprov"
-version = "3.0.2"
+version = "3.1.0"
 description = "W3C PROV-compliant data provenance tracking library for recording processing chains"
 readme = "README.md"
 license = {file = "LICENSE"}
 authors = [
     {name = "Fredrik Warg"}
 ]
-requires-python = ">=3.10"
+requires-python = ">=3.8"
 classifiers = [
     "Development Status :: 4 - Beta",
     "Intended Audience :: Developers",
@@ -30,16 +30,16 @@ keywords = ["provenance", "data-lineage", "data-tracking", "metadata", "prov", "
 dev = [
     "pytest>=7.0",
     "pytest-cov>=4.0",
-    "ruff>=0.8.0",
-    "pre-commit>=4.0",
+    "ruff>=0.8.0; python_version >= '3.10'",
+    "pre-commit>=4.0; python_version >= '3.10'",
 ]
 
 [dependency-groups]
 dev = [
     "pytest>=7.0",
     "pytest-cov>=4.0",
-    "ruff>=0.8.0",
-    "pre-commit>=4.0",
+    "ruff>=0.8.0; python_version >= '3.10'",
+    "pre-commit>=4.0; python_version >= '3.10'",
 ]
 
 [project.scripts]
@@ -80,6 +80,9 @@ select = [
 ignore = [
     "E501",   # line too long (handled by formatter)
     "SIM108", # use ternary operator (can reduce readability)
+    "B905",   # zip() without 'strict='
+    "E402",   # Module level import not at top of file
+    "UP037",  # Remove quotes from type annotation
 ]
 
 [tool.ruff.lint.isort]