chore: implement __repr__ method for FileId class (hiero-ledger#1628) (hiero-ledger#1770)

Signed-off-by: SubhraSameerDash <2303105_cseai@gita.edu.in>
Signed-off-by: Subhra Sameer Dash <170787407+Subhrasameerdash@users.noreply.github.com>

Author: Subhrasameerdash

CHANGELOG.md

@@ -33,6 +33,7 @@ This changelog is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.
 - Format `tests/unit/custom_fee_test.py` with black for code style consistency. (#1525)
 
 ### Added
+- Implement custom `__repr__` method for `FileId` class that returns constructor-style representation for improved debugging experience (#1628)
 - Added foundational guide for GitHub Workflows (#1741)
 - Contract-specific CodeRabbit review instructions in `.coderabbit.yaml` for improved automated PR feedback on ABI, gas, ContractId, and protobuf safety. (#1695)
 - Added new members to the mentor roster. (#1693)

src/hiero_sdk_python/file/file_id.py

@@ -106,6 +106,15 @@ def __str__(self) -> str:
         """
         return f"{self.shard}.{self.realm}.{self.file}"
 
+    def __repr__(self) -> str:
+        """
+        Returns a detailed representation of the FileId suitable for debugging.
+
+        Returns:
+            str: A string in constructor format 'FileId(shard=X, realm=Y, file=Z)'.
+        """
+        return f"FileId(shard={self.shard}, realm={self.realm}, file={self.file})"
+
     def validate_checksum(self, client: Client) -> None:
         """
         Validates the stored checksum against the calculated checksum using the provided client.

tests/unit/file_id_test.py

@@ -45,6 +45,18 @@ def test_str_representation_default():
     assert str(file_id) == "0.0.0"
 
 
+def test_repr_representation():
+    """Test repr representation of FileId."""
+    file_id = FileId(0, 0, 150)
+    assert repr(file_id) == "FileId(shard=0, realm=0, file=150)"
+
+
+def test_repr_representation_custom_values():
+    """Test repr representation of FileId with custom values."""
+    file_id = FileId(shard=1, realm=2, file=3)
+    assert repr(file_id) == "FileId(shard=1, realm=2, file=3)"
+
+
 def test_from_string_valid():
     """Test creating FileId from valid string format."""
     file_id = FileId.from_string("1.2.3")