MERGE_CONFLICT_RESOLUTION.md

PR Merge Conflicts - Analysis and Resolution

Summary

Your PR has 3 merge conflicts in the following files:

1. src/arraybridge/decorators.py - 1 conflict (import statements)
2. src/arraybridge/stack_utils.py - 1 conflict (import statements)
3. src/arraybridge/utils.py - 3 conflicts (docstring and import placement)

All conflicts stem from the same root cause: package renaming from openhcs to arraybridge that happened in the main branch.

---

Conflict 1: decorators.py (Line 22-31)

The Conflict

<<<<<<< HEAD
from arraybridge.types import MemoryType, VALID_MEMORY_TYPES
from arraybridge.utils import optional_import
from arraybridge.oom_recovery import _execute_with_oom_recovery
from arraybridge.framework_ops import _FRAMEWORK_OPS
=======
import numpy as np
from openhcs.constants.constants import MemoryType

>>>>>>> origin/main

Analysis

• Your branch (HEAD): Uses arraybridge.types (correct - package was renamed)
• Main branch: Uses openhcs.constants.constants (old package name) and has extra numpy import

Resolution

Keep HEAD version but ensure numpy import exists elsewhere if needed:

from arraybridge.types import MemoryType, VALID_MEMORY_TYPES
from arraybridge.utils import optional_import
from arraybridge.oom_recovery import _execute_with_oom_recovery
from arraybridge.framework_ops import _FRAMEWORK_OPS

Note: Check if numpy as np is needed later in the file. If so, add it after these imports.

---

Conflict 2: stack_utils.py (Line 15-21)

The Conflict

<<<<<<< HEAD
from arraybridge.types import GPU_MEMORY_TYPES, MemoryType
=======
from openhcs.constants.constants import GPU_MEMORY_TYPES, MemoryType

>>>>>>> origin/main

Analysis

• Your branch: Uses arraybridge.types (correct)
• Main branch: Uses openhcs.constants.constants (old name)

Resolution

Keep HEAD version - simple and straightforward:

from arraybridge.types import GPU_MEMORY_TYPES, MemoryType

---

Conflict 3: utils.py (3 sub-conflicts)

This is the most complex conflict with multiple merge markers.

Sub-conflict 3a: Docstring (Lines 2-10)

<<<<<<< HEAD
Memory conversion utility functions for arraybridge.

This module provides utility functions for memory conversion operations.
=======
Memory conversion utility functions for OpenHCS.

This module provides utility functions for memory conversion operations,
supporting Clause 251 (Declarative Memory Conversion Interface) and
Clause 65 (Fail Loudly).
>>>>>>> origin/main

Resolution: Keep main's more detailed docstring but update package name:

"""
Memory conversion utility functions for arraybridge.

This module provides utility functions for memory conversion operations,
supporting Clause 251 (Declarative Memory Conversion Interface) and
Clause 65 (Fail Loudly).
"""

Sub-conflict 3b: Import Placement (Lines 19-27 and 94-100)

This is the critical conflict. The issue is about import order:

• Your branch (HEAD): Imports are at top (before optional_import function)
• Main branch: Imports are at bottom (after optional_import function)

# HEAD version (top placement):
from typing import Any, Optional

# Then later at line 94:
from arraybridge.types import MemoryType
from .exceptions import MemoryConversionError
from .framework_config import _FRAMEWORK_CONFIG
logger = logging.getLogger(__name__)

# Main version (better placement):
from typing import Any, Optional

from arraybridge.types import MemoryType
from .exceptions import MemoryConversionError
from .framework_config import _FRAMEWORK_CONFIG
logger = logging.getLogger(__name__)

# Then _ModulePlaceholder class and optional_import function

Resolution: Keep main branch's placement (imports at line 19, NOT line 94). This is better because:

1. Standard Python convention: imports at the top
2. optional_import doesn't depend on these imports
3. Avoids potential circular import issues

---

Step-by-Step Resolution Instructions

Option 1: Manual Resolution (Recommended for Learning)

1. Merge main into your branch:

   git fetch origin
   git merge origin/main

2. Resolve decorators.py:

   # Edit the file and keep:
   from arraybridge.types import MemoryType, VALID_MEMORY_TYPES
   from arraybridge.utils import optional_import
   from arraybridge.oom_recovery import _execute_with_oom_recovery
   from arraybridge.framework_ops import _FRAMEWORK_OPS
   
   # Remove conflict markers and the openhcs import

3. Resolve stack_utils.py:

   # Keep:
   from arraybridge.types import GPU_MEMORY_TYPES, MemoryType

4. Resolve utils.py:

   • Update docstring to mention "arraybridge" with full description
   • Place imports at line 19 (after from typing import Any, Optional)
   • Remove duplicate imports at line 94

5. Mark as resolved and commit:

   git add src/arraybridge/decorators.py
   git add src/arraybridge/stack_utils.py
   git add src/arraybridge/utils.py
   git commit -m "Merge main and resolve package rename conflicts"
   git push

Option 2: Accept Main's Changes Then Re-apply Docs

If the conflicts are too complex:

1. Accept main's version completely:

   git fetch origin
   git merge origin/main -X theirs

2. Verify the code still works:

   python -c "import arraybridge; print(arraybridge.__version__)"

3. Your documentation changes should still be intact (they don't conflict)

4. Commit and push:

   git push

---

Why These Conflicts Occurred

The main branch underwent a package rename from openhcs to arraybridge. Your documentation branch was based on an earlier commit (before the rename), so when you try to merge:

• Your branch has the OLD package structure
• Main branch has the NEW package structure
• Git can't auto-merge because import paths are different

---

Verification After Resolution

After resolving conflicts, verify everything works:

# 1. Check imports work
python -c "from arraybridge.types import MemoryType; print(MemoryType.NUMPY)"

# 2. Build docs to ensure no broken references
cd docs && make html

# 3. Run a basic test
python -c "from arraybridge import detect_memory_type; import numpy as np; print(detect_memory_type(np.array([1,2,3])))"

---

Recommendation

Use Option 1 (Manual Resolution) with this exact resolution:

1. decorators.py: Keep HEAD (your imports from arraybridge.*)
2. stack_utils.py: Keep HEAD (your imports from arraybridge.*)
3. utils.py:
   • Docstring: Use main's detailed version but say "arraybridge"
   • Imports: Use main's placement (line 19, not line 94)
   • Content: Both versions are essentially the same after imports

This preserves your work while properly integrating with the package rename.