From f7f2839e657c2dcf94890bb08fa14783660b0eba Mon Sep 17 00:00:00 2001
From: Kai Chappell <git@kschappell.com>
Date: Thu, 29 Jan 2026 17:56:29 +0000
Subject: [PATCH] Add reporting exception classes

---
 src/py_dvt_ate/reporting/exceptions.py | 41 ++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 src/py_dvt_ate/reporting/exceptions.py

diff --git a/src/py_dvt_ate/reporting/exceptions.py b/src/py_dvt_ate/reporting/exceptions.py
new file mode 100644
index 0000000..f50afa2
--- /dev/null
+++ b/src/py_dvt_ate/reporting/exceptions.py
@@ -0,0 +1,41 @@
+"""Exception classes for the reporting module.
+
+This module defines a hierarchy of exceptions for report generation errors,
+enabling specific error handling for different failure modes.
+"""
+
+
+class ReportingError(Exception):
+    """Base exception for all reporting-related errors."""
+
+
+class ReportGenerationError(ReportingError):
+    """Raised when report generation fails.
+
+    This is the general error for failures during the report generation
+    process that don't fit into more specific categories.
+    """
+
+
+class TemplateRenderError(ReportingError):
+    """Raised when HTML template rendering fails.
+
+    This typically indicates a problem with the Jinja2 template or
+    the data being passed to it.
+    """
+
+
+class PDFConversionError(ReportingError):
+    """Raised when HTML to PDF conversion fails.
+
+    This typically indicates a problem with WeasyPrint or the generated
+    HTML/CSS being incompatible with PDF rendering.
+    """
+
+
+class ChartGenerationError(ReportingError):
+    """Raised when chart generation fails.
+
+    This typically indicates a problem with matplotlib or the measurement
+    data being charted.
+    """