From a86d8b68a19bf8bec52b6ab8125932013ce93732 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 15 Jan 2026 02:09:31 +0000
Subject: [PATCH 1/8] Initial plan


From d1c98ce3f742254aee7625d7227ead7de27e61db Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 15 Jan 2026 02:14:13 +0000
Subject: [PATCH 2/8] Add tools/load_json.py tool

Co-authored-by: gvanrossum-ms <184014243+gvanrossum-ms@users.noreply.github.com>
---
 tools/load_json.py | 156 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 156 insertions(+)
 create mode 100644 tools/load_json.py

diff --git a/tools/load_json.py b/tools/load_json.py
new file mode 100644
index 00000000..a0ac3749
--- /dev/null
+++ b/tools/load_json.py
@@ -0,0 +1,156 @@
+#!/usr/bin/env python3
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+"""
+JSON to SQLite Database Loader
+
+This tool loads a JSON-serialized podcast database into a SQLite database
+that can be queried using tools/query.py.
+
+Usage:
+    python tools/load_json.py <index_path> --database <db_file>
+    python tools/load_json.py tests/testdata/Episode_53_AdrianTchaikovsky_index -d transcript.db
+
+The index_path should exclude the "_data.json" suffix.
+"""
+
+import argparse
+import asyncio
+import os
+
+from typeagent.aitools import utils
+from typeagent.knowpro.convsettings import ConversationSettings
+from typeagent.podcasts import podcast
+from typeagent.storage.sqlite.provider import SqliteStorageProvider
+from typeagent.storage.utils import create_storage_provider
+
+
+async def load_json_to_database(
+    podcast_file_prefix: str,
+    dbname: str,
+    verbose: bool = False,
+) -> None:
+    """Load JSON-serialized podcast data into a SQLite database.
+
+    Args:
+        podcast_file_prefix: Path to podcast index files (without "_data.json" suffix)
+        dbname: Path to SQLite database file to create
+        verbose: Whether to show verbose output
+    """
+    if verbose:
+        print(f"Loading podcast from JSON: {podcast_file_prefix}")
+        print(f"Target database: {dbname}")
+
+    # Create settings and storage provider
+    settings = ConversationSettings()
+    settings.storage_provider = await create_storage_provider(
+        settings.message_text_index_settings,
+        settings.related_term_index_settings,
+        dbname,
+        podcast.PodcastMessage,
+    )
+
+    # Get the storage provider to check if database is empty
+    provider = await settings.get_storage_provider()
+    msgs = await provider.get_message_collection()
+
+    # Check if database already has data
+    if await msgs.size() > 0:
+        raise RuntimeError(
+            f"Database {dbname!r} already has messages. "
+            "Please use an empty database or specify a new filename."
+        )
+
+    # Load podcast from JSON files
+    with utils.timelog(f"Loading podcast from {podcast_file_prefix!r}"):
+        conversation = await podcast.Podcast.read_from_file(
+            podcast_file_prefix, settings, dbname
+        )
+        if isinstance(provider, SqliteStorageProvider):
+            provider.db.commit()
+
+    # Print statistics
+    if verbose:
+        print(f"\nSuccessfully loaded podcast data:")
+        print(f"  {await conversation.messages.size()} messages")
+        print(f"  {await conversation.semantic_refs.size()} semantic refs")
+        if conversation.semantic_ref_index:
+            print(
+                f"  {await conversation.semantic_ref_index.size()} semantic ref index entries"
+            )
+
+    print(f"\nDatabase created: {dbname}")
+    print(f"\nTo query the database, use:")
+    print(f"  python tools/query.py --database '{dbname}' --query 'Your question here'")
+
+
+def main():
+    """Main entry point."""
+    parser = argparse.ArgumentParser(
+        description="Load JSON-serialized podcast data into a SQLite database",
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+        epilog="""
+Examples:
+  python tools/load_json.py tests/testdata/Episode_53_AdrianTchaikovsky_index -d podcast.db
+  python tools/load_json.py path/to/index -d output.db -v
+
+Note: The index path should exclude the "_data.json" suffix.
+        """,
+    )
+
+    parser.add_argument(
+        "index_path",
+        help="Path to the podcast index files (excluding the '_data.json' suffix)",
+    )
+
+    parser.add_argument(
+        "-d",
+        "--database",
+        required=True,
+        help="Path to the SQLite database file to create",
+    )
+
+    parser.add_argument(
+        "-v",
+        "--verbose",
+        action="store_true",
+        help="Show verbose output including statistics",
+    )
+
+    args = parser.parse_args()
+
+    # Validate index file exists
+    index_file = args.index_path + "_data.json"
+    if not os.path.exists(index_file):
+        raise SystemExit(
+            f"Error: Podcast index file not found: {index_file}\n"
+            f"Please verify the path exists and is accessible.\n"
+            f"Note: The path should exclude the '_data.json' suffix."
+        )
+
+    # Check if database already exists
+    if os.path.exists(args.database):
+        raise SystemExit(
+            f"Error: Database file already exists: {args.database}\n"
+            f"Please remove it first or choose a different filename."
+        )
+
+    # Load environment variables for API access
+    utils.load_dotenv()
+
+    # Run the loading process
+    try:
+        asyncio.run(
+            load_json_to_database(
+                args.index_path,
+                args.database,
+                args.verbose,
+            )
+        )
+    except (RuntimeError, ValueError) as err:
+        raise SystemExit(f"Error: {err}")
+
+
+if __name__ == "__main__":
+    main()

From d80014fd4dbf8f325f9700e18e085a8c85f71112 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 15 Jan 2026 02:15:50 +0000
Subject: [PATCH 3/8] Remove --podcast flag from query.py, require --database

Co-authored-by: gvanrossum-ms <184014243+gvanrossum-ms@users.noreply.github.com>
---
 tools/query.py | 74 ++++++++++++++------------------------------------
 1 file changed, 20 insertions(+), 54 deletions(-)

diff --git a/tools/query.py b/tools/query.py
index 3e93ecde..0a109881 100644
--- a/tools/query.py
+++ b/tools/query.py
@@ -55,7 +55,6 @@
     Topic,
 )
 from typeagent.podcasts import podcast
-from typeagent.storage.sqlite.provider import SqliteStorageProvider
 from typeagent.storage.utils import create_storage_provider
 
 ### Classes ###
@@ -536,24 +535,6 @@ async def main():
     args = parser.parse_args()
     fill_in_debug_defaults(parser, args)
 
-    # Validate required podcast argument
-    if args.podcast is None and args.database is None:
-        scriptname = sys.argv[0]
-        raise SystemExit(
-            f"Error: Either --podcast or --database is required.\n"
-            f"Usage: python {scriptname} --podcast <path_to_index>\n"
-            f"   or: python {scriptname} --database <path_to_database>\n"
-            f"Example: python {scriptname} --podcast tests/testdata/Episode_53_AdrianTchaikovsky_index"
-        )
-    if args.podcast is not None:
-        index_file = args.podcast + "_data.json"
-        if not os.path.exists(index_file):
-            raise SystemExit(
-                f"Error: Podcast index file not found: {index_file}\n"
-                f"Please verify the path exists and is accessible.\n"
-                f"Note: The path should exclude the '_data.json' suffix."
-            )
-
     if args.logfire:
         utils.setup_logfire()
 
@@ -564,9 +545,24 @@ async def main():
         args.database,
         podcast.PodcastMessage,
     )
-    query_context = await load_podcast_index(
-        args.podcast, settings, args.database, args.verbose
-    )
+
+    # Load existing database
+    provider = await settings.get_storage_provider()
+    msgs = await provider.get_message_collection()
+    if await msgs.size() == 0:
+        raise SystemExit(
+            f"Error: Database {args.database!r} is empty.\n"
+            f"Please load data into the database first using tools/load_json.py:\n"
+            f"  python tools/load_json.py <index_path> --database {args.database}\n"
+            f"Example:\n"
+            f"  python tools/load_json.py tests/testdata/Episode_53_AdrianTchaikovsky_index --database {args.database}"
+        )
+
+    with utils.timelog(f"Loading conversation from database {args.database!r}"):
+        conversation = await podcast.Podcast.create(settings)
+
+    await print_conversation_stats(conversation, args.verbose)
+    query_context = query.QueryEvalContext(conversation)
 
     ar_list, ar_index = load_index_file(
         args.qafile, "question", QuestionAnswerData, args.verbose
@@ -943,12 +939,6 @@ def make_arg_parser(description: str) -> argparse.ArgumentParser:
         ),
     )
 
-    parser.add_argument(
-        "--podcast",
-        type=str,
-        default=None,
-        help="Path to the podcast index files (excluding the '_data.json' suffix)",
-    )
     explain_qa = "a list of questions and answers to test the full pipeline"
     parser.add_argument(
         "--qafile",
@@ -973,8 +963,8 @@ def make_arg_parser(description: str) -> argparse.ArgumentParser:
         "-d",
         "--database",
         type=str,
-        default=None,
-        help="Path to the SQLite database file (default: in-memory)",
+        required=True,
+        help="Path to the SQLite database file",
     )
     parser.add_argument(
         "--query",
@@ -1110,30 +1100,6 @@ def fill_in_debug_defaults(
 ### Data loading ###
 
 
-async def load_podcast_index(
-    podcast_file_prefix: str,
-    settings: ConversationSettings,
-    dbname: str | None,
-    verbose: bool = True,
-) -> query.QueryEvalContext:
-    provider = await settings.get_storage_provider()
-    msgs = await provider.get_message_collection()
-    if await msgs.size() > 0:  # Sqlite provider with existing non-empty database
-        with utils.timelog(f"Reusing database {dbname!r}"):
-            conversation = await podcast.Podcast.create(settings)
-    else:
-        with utils.timelog(f"Loading podcast from {podcast_file_prefix!r}"):
-            conversation = await podcast.Podcast.read_from_file(
-                podcast_file_prefix, settings, dbname
-            )
-            if isinstance(provider, SqliteStorageProvider):
-                provider.db.commit()
-
-    await print_conversation_stats(conversation, verbose)
-
-    return query.QueryEvalContext(conversation)
-
-
 def load_index_file[T: Mapping[str, typing.Any]](
     file: str | None, selector: str, cls: type[T], verbose: bool = True
 ) -> tuple[list[T], dict[str, T]]:

From 8b25997afa892193babfd9dd4603b7fc9fdab6f5 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 15 Jan 2026 02:17:58 +0000
Subject: [PATCH 4/8] Improve error handling in load_json.py

Co-authored-by: gvanrossum-ms <184014243+gvanrossum-ms@users.noreply.github.com>
---
 tools/load_json.py | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/tools/load_json.py b/tools/load_json.py
index a0ac3749..e8c3cb42 100644
--- a/tools/load_json.py
+++ b/tools/load_json.py
@@ -58,8 +58,9 @@ async def load_json_to_database(
     # Check if database already has data
     if await msgs.size() > 0:
         raise RuntimeError(
-            f"Database {dbname!r} already has messages. "
-            "Please use an empty database or specify a new filename."
+            f"Database '{dbname}' already contains {await msgs.size()} messages. "
+            "The database must be empty to load new data. "
+            "Please use a different database file or remove the existing one."
         )
 
     # Load podcast from JSON files
@@ -129,13 +130,6 @@ def main():
             f"Note: The path should exclude the '_data.json' suffix."
         )
 
-    # Check if database already exists
-    if os.path.exists(args.database):
-        raise SystemExit(
-            f"Error: Database file already exists: {args.database}\n"
-            f"Please remove it first or choose a different filename."
-        )
-
     # Load environment variables for API access
     utils.load_dotenv()
 

From 5fab84175c6262affdc1fefff0eca66622d5d051 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 15 Jan 2026 02:21:15 +0000
Subject: [PATCH 5/8] Fix docstrings in load_json.py to clarify database
 requirement

Co-authored-by: gvanrossum-ms <184014243+gvanrossum-ms@users.noreply.github.com>
---
 tools/load_json.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/load_json.py b/tools/load_json.py
index e8c3cb42..99dce1c6 100644
--- a/tools/load_json.py
+++ b/tools/load_json.py
@@ -35,7 +35,7 @@ async def load_json_to_database(
 
     Args:
         podcast_file_prefix: Path to podcast index files (without "_data.json" suffix)
-        dbname: Path to SQLite database file to create
+        dbname: Path to SQLite database file (must be empty)
         verbose: Whether to show verbose output
     """
     if verbose:
@@ -109,7 +109,7 @@ def main():
         "-d",
         "--database",
         required=True,
-        help="Path to the SQLite database file to create",
+        help="Path to the SQLite database file (must be empty)",
     )
 
     parser.add_argument(

From 40012508cddb19f55d5736bef3de86cdf89bedb6 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 15 Jan 2026 02:22:20 +0000
Subject: [PATCH 6/8] Address final code review feedback - optimize database
 queries and improve error message consistency

Co-authored-by: gvanrossum-ms <184014243+gvanrossum-ms@users.noreply.github.com>
---
 tools/load_json.py | 5 +++--
 tools/query.py     | 6 +++---
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/tools/load_json.py b/tools/load_json.py
index 99dce1c6..b3d7eddc 100644
--- a/tools/load_json.py
+++ b/tools/load_json.py
@@ -56,9 +56,10 @@ async def load_json_to_database(
     msgs = await provider.get_message_collection()
 
     # Check if database already has data
-    if await msgs.size() > 0:
+    msg_count = await msgs.size()
+    if msg_count > 0:
         raise RuntimeError(
-            f"Database '{dbname}' already contains {await msgs.size()} messages. "
+            f"Database '{dbname}' already contains {msg_count} messages. "
             "The database must be empty to load new data. "
             "Please use a different database file or remove the existing one."
         )
diff --git a/tools/query.py b/tools/query.py
index 0a109881..88934d5d 100644
--- a/tools/query.py
+++ b/tools/query.py
@@ -551,11 +551,11 @@ async def main():
     msgs = await provider.get_message_collection()
     if await msgs.size() == 0:
         raise SystemExit(
-            f"Error: Database {args.database!r} is empty.\n"
+            f"Error: Database '{args.database}' is empty.\n"
             f"Please load data into the database first using tools/load_json.py:\n"
-            f"  python tools/load_json.py <index_path> --database {args.database}\n"
+            f"  python tools/load_json.py <index_path> -d {args.database}\n"
             f"Example:\n"
-            f"  python tools/load_json.py tests/testdata/Episode_53_AdrianTchaikovsky_index --database {args.database}"
+            f"  python tools/load_json.py tests/testdata/Episode_53_AdrianTchaikovsky_index -d {args.database}"
         )
 
     with utils.timelog(f"Loading conversation from database {args.database!r}"):

From dd79821ed8424d8ba188823ea8f36fc6eac9dfaf Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 15 Jan 2026 02:54:48 +0000
Subject: [PATCH 7/8] Address review feedback: simplify error messages, use
 async context manager, reorder args

Co-authored-by: gvanrossum-ms <184014243+gvanrossum-ms@users.noreply.github.com>
---
 tools/load_json.py | 40 ++++++++++++++--------------------------
 tools/query.py     |  8 +-------
 2 files changed, 15 insertions(+), 33 deletions(-)

diff --git a/tools/load_json.py b/tools/load_json.py
index b3d7eddc..f5e8d007 100644
--- a/tools/load_json.py
+++ b/tools/load_json.py
@@ -22,7 +22,6 @@
 from typeagent.aitools import utils
 from typeagent.knowpro.convsettings import ConversationSettings
 from typeagent.podcasts import podcast
-from typeagent.storage.sqlite.provider import SqliteStorageProvider
 from typeagent.storage.utils import create_storage_provider
 
 
@@ -69,8 +68,8 @@ async def load_json_to_database(
         conversation = await podcast.Podcast.read_from_file(
             podcast_file_prefix, settings, dbname
         )
-        if isinstance(provider, SqliteStorageProvider):
-            provider.db.commit()
+        async with provider:
+            pass  # Commit happens in __aexit__
 
     # Print statistics
     if verbose:
@@ -91,19 +90,6 @@ def main():
     """Main entry point."""
     parser = argparse.ArgumentParser(
         description="Load JSON-serialized podcast data into a SQLite database",
-        formatter_class=argparse.RawDescriptionHelpFormatter,
-        epilog="""
-Examples:
-  python tools/load_json.py tests/testdata/Episode_53_AdrianTchaikovsky_index -d podcast.db
-  python tools/load_json.py path/to/index -d output.db -v
-
-Note: The index path should exclude the "_data.json" suffix.
-        """,
-    )
-
-    parser.add_argument(
-        "index_path",
-        help="Path to the podcast index files (excluding the '_data.json' suffix)",
     )
 
     parser.add_argument(
@@ -120,9 +106,14 @@ def main():
         help="Show verbose output including statistics",
     )
 
+    parser.add_argument(
+        "index_path",
+        help="Path to the podcast index files (excluding the '_data.json' suffix)",
+    )
+
     args = parser.parse_args()
 
-    # Validate index file exists
+    # Ensure index file exists
     index_file = args.index_path + "_data.json"
     if not os.path.exists(index_file):
         raise SystemExit(
@@ -135,16 +126,13 @@ def main():
     utils.load_dotenv()
 
     # Run the loading process
-    try:
-        asyncio.run(
-            load_json_to_database(
-                args.index_path,
-                args.database,
-                args.verbose,
-            )
+    asyncio.run(
+        load_json_to_database(
+            args.index_path,
+            args.database,
+            args.verbose,
         )
-    except (RuntimeError, ValueError) as err:
-        raise SystemExit(f"Error: {err}")
+    )
 
 
 if __name__ == "__main__":
diff --git a/tools/query.py b/tools/query.py
index 88934d5d..f2cc311f 100644
--- a/tools/query.py
+++ b/tools/query.py
@@ -550,13 +550,7 @@ async def main():
     provider = await settings.get_storage_provider()
     msgs = await provider.get_message_collection()
     if await msgs.size() == 0:
-        raise SystemExit(
-            f"Error: Database '{args.database}' is empty.\n"
-            f"Please load data into the database first using tools/load_json.py:\n"
-            f"  python tools/load_json.py <index_path> -d {args.database}\n"
-            f"Example:\n"
-            f"  python tools/load_json.py tests/testdata/Episode_53_AdrianTchaikovsky_index -d {args.database}"
-        )
+        raise SystemExit(f"Error: Database '{args.database}' is empty.")
 
     with utils.timelog(f"Loading conversation from database {args.database!r}"):
         conversation = await podcast.Podcast.create(settings)

From bfab170d16bbc324594a0de88a52e756a1298bda Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 15 Jan 2026 03:05:16 +0000
Subject: [PATCH 8/8] Fix async context manager placement and format function
 call

Co-authored-by: gvanrossum-ms <184014243+gvanrossum-ms@users.noreply.github.com>
---
 tools/load_json.py | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/tools/load_json.py b/tools/load_json.py
index f5e8d007..573b4a79 100644
--- a/tools/load_json.py
+++ b/tools/load_json.py
@@ -65,11 +65,10 @@ async def load_json_to_database(
 
     # Load podcast from JSON files
     with utils.timelog(f"Loading podcast from {podcast_file_prefix!r}"):
-        conversation = await podcast.Podcast.read_from_file(
-            podcast_file_prefix, settings, dbname
-        )
         async with provider:
-            pass  # Commit happens in __aexit__
+            conversation = await podcast.Podcast.read_from_file(
+                podcast_file_prefix, settings, dbname
+            )
 
     # Print statistics
     if verbose:
@@ -126,13 +125,7 @@ def main():
     utils.load_dotenv()
 
     # Run the loading process
-    asyncio.run(
-        load_json_to_database(
-            args.index_path,
-            args.database,
-            args.verbose,
-        )
-    )
+    asyncio.run(load_json_to_database(args.index_path, args.database, args.verbose))
 
 
 if __name__ == "__main__":