Render Timing¶
Use render timing options to inspect form performance during development.
Timing behavior¶
The renderer measures render duration internally and can expose it in two ways:
- Inline timing text in form output (
show_timing=True) - Debug panel timing metadata (
debug=True)
Inline timing (show_timing=True)¶
from pydantic_schemaforms import render_form_html
html = render_form_html(
MyForm,
submit_url="/submit",
show_timing=True,
)
This adds a small timing indicator in the rendered form markup.
Debug panel (debug=True)¶
html = render_form_html(
MyForm,
submit_url="/submit",
debug=True,
)
This appends a richer debug panel that includes timing plus schema/render metadata.
Combined usage¶
html = render_form_html(
MyForm,
submit_url="/submit",
show_timing=True,
debug=True,
)
Use this combination for local diagnosis of slow forms.
Async usage¶
The same options are available in async mode:
from pydantic_schemaforms import render_form_html_async
html = await render_form_html_async(
MyForm,
submit_url="/submit",
show_timing=True,
)
With logging¶
If you also want log output, enable it explicitly:
html = render_form_html(
MyForm,
submit_url="/submit",
show_timing=True,
enable_logging=True,
)
enable_logging=True controls debug log emission and is independent of timing display in HTML.
Tips¶
- Keep
show_timing=Falseanddebug=Falsefor production-facing pages. - Use representative data when benchmarking complex forms (nested models, model lists, layout-heavy schemas).