From 0acd9fa8f3f4ed46b8796fbc96a2621c0db69f43 Mon Sep 17 00:00:00 2001
From: Mingye Wang <arthur200126@gmail.com>
Date: Thu, 29 Jan 2026 16:29:46 +0800
Subject: [PATCH 1/2] CSV: provide column number and just the relevant cell on
 error

Fix #417
---
 src/core/parsers/csv.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/core/parsers/csv.py b/src/core/parsers/csv.py
index 710ae0a9..64697856 100644
--- a/src/core/parsers/csv.py
+++ b/src/core/parsers/csv.py
@@ -41,6 +41,7 @@ def parse_line(self, row, header):
 
         for index, cell in enumerate(row):
             cell_value = cell.strip()
+            debuginfo = f"Column {index}: {cell_value}"
             current_value = self.parse_value(cell_value)
             if current_value is None:
                 current_value = {"type": "string", "value": cell_value}
@@ -146,7 +147,7 @@ def parse_line(self, row, header):
                                 current_command["value"]["value"]
                             ]
 
-                    commands.append(current_command)
+                    commands.append((debuginfo, current_command))
 
         return commands
 
@@ -194,7 +195,7 @@ def parse(self, raw_csv) -> Iterator[BatchCommand]:
                 first_line = False
             else:
                 commands = self.parse_line(row, header)
-                for command in commands:
+                for debuginfo, command in commands:
                     action = BatchCommand.ACTION_CREATE
                     operation = None
                     if command["action"] == "add":
@@ -221,7 +222,7 @@ def parse(self, raw_csv) -> Iterator[BatchCommand]:
                     yield BatchCommand(
                         index=index,
                         json=command,
-                        raw=row,
+                        raw=debuginfo,
                         action=action,
                         operation=operation,
                         status=BatchCommand.STATUS_INITIAL,

From 98ecc1a4ea78aa1235a22e3c1c84a50bd8228c6c Mon Sep 17 00:00:00 2001
From: Mingye Wang <arthur200126@gmail.com>
Date: Fri, 30 Jan 2026 11:48:19 +0800
Subject: [PATCH 2/2] Enhance debug information in CSV parser

Updated debuginfo to include header information.
---
 src/core/parsers/csv.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/parsers/csv.py b/src/core/parsers/csv.py
index 64697856..b538fae3 100644
--- a/src/core/parsers/csv.py
+++ b/src/core/parsers/csv.py
@@ -41,12 +41,12 @@ def parse_line(self, row, header):
 
         for index, cell in enumerate(row):
             cell_value = cell.strip()
-            debuginfo = f"Column {index}: {cell_value}"
             current_value = self.parse_value(cell_value)
             if current_value is None:
                 current_value = {"type": "string", "value": cell_value}
 
             header_value = header[index]  # HEADER VALUE
+            debuginfo = f"header[{index}]={header[index]!r}\n{cell_value=},"
 
             if index == 0:  # That is the QID, alway in the firs column
                 if not cell_value: