HTTP: prefer pip-system-certs/certifi_win32 bundle; use init-time verify in retries; add tests

This commit is contained in:
2026-01-05 13:09:24 -08:00
parent 1f765cffda
commit ac1d1d634f
12 changed files with 19424 additions and 2371 deletions

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@@ -0,0 +1,259 @@
"""Example provider that uses the new `ResultTable` API.
This module demonstrates a minimal provider adapter that yields `ResultModel`
instances, a set of `ColumnSpec` definitions, and a tiny CLI-friendly renderer
(`render_table`) for demonstration.
Run this to see sample output:
python -m Provider.example_provider
Example usage (piped selector):
provider-table -provider example -sample | select -select 1 | add-file -store default
"""
from __future__ import annotations
from pathlib import Path
from typing import Any, Dict, Iterable, List
from SYS.result_table_api import ColumnSpec, ResultModel, title_column, ext_column
SAMPLE_ITEMS = [
{
"name": "Book of Awe.pdf",
"path": "sample/Book of Awe.pdf",
"ext": "pdf",
"size": 1024000,
"source": "example",
},
{
"name": "Song of Joy.mp3",
"path": "sample/Song of Joy.mp3",
"ext": "mp3",
"size": 5120000,
"source": "example",
},
{
"name": "Cover Image.jpg",
"path": "sample/Cover Image.jpg",
"ext": "jpg",
"size": 20480,
"source": "example",
},
]
def adapter(items: Iterable[Dict[str, Any]]) -> Iterable[ResultModel]:
"""Convert provider-specific items into `ResultModel` instances.
This adapter enforces the strict API requirement: it yields only
`ResultModel` instances (no legacy dict objects).
"""
for it in items:
title = it.get("name") or it.get("title") or (Path(str(it.get("path"))).stem if it.get("path") else "")
yield ResultModel(
title=str(title),
path=str(it.get("path")) if it.get("path") else None,
ext=str(it.get("ext")) if it.get("ext") else None,
size_bytes=int(it.get("size")) if it.get("size") is not None else None,
metadata=dict(it),
source=str(it.get("source")) if it.get("source") else "example",
)
# Columns are intentionally *not* mandated. Create a factory that inspects
# sample rows and builds only columns that make sense for the provider data.
from SYS.result_table_api import metadata_column
def columns_factory(rows: List[ResultModel]) -> List[ColumnSpec]:
cols: List[ColumnSpec] = [title_column()]
# If any row has an extension, include Ext column
if any(getattr(r, "ext", None) for r in rows):
cols.append(ext_column())
# If any row has size, include Size column
if any(getattr(r, "size_bytes", None) for r in rows):
cols.append(ColumnSpec("size", "Size", lambda rr: rr.size_bytes or "", lambda v: _format_size(v)))
# Add any top-level metadata keys discovered (up to 3) as optional columns
seen_keys = []
for r in rows:
for k in (r.metadata or {}).keys():
if k in ("name", "title", "path"):
continue
if k not in seen_keys:
seen_keys.append(k)
if len(seen_keys) >= 3:
break
if len(seen_keys) >= 3:
break
for k in seen_keys:
cols.append(metadata_column(k))
return cols
# Selection function: cmdlets rely on this to build selector args when the user
# selects a row (e.g., '@3' -> run next-cmd with the returned args). Prefer
# -path if available, otherwise fall back to -title.
def selection_fn(row: ResultModel) -> List[str]:
if row.path:
return ["-path", row.path]
return ["-title", row.title]
# Register the provider with the registry so callers can discover it by name
from SYS.result_table_adapters import register_provider
register_provider(
"example",
adapter,
columns=columns_factory,
selection_fn=selection_fn,
metadata={"description": "Example provider demonstrating dynamic columns and selectors"},
)
def _format_size(size: Any) -> str:
try:
s = int(size)
except Exception:
return ""
if s >= 1024 ** 3:
return f"{s / (1024 ** 3):.2f} GB"
if s >= 1024 ** 2:
return f"{s / (1024 ** 2):.2f} MB"
if s >= 1024:
return f"{s / 1024:.2f} KB"
return f"{s} B"
def render_table(rows: Iterable[ResultModel], columns: List[ColumnSpec]) -> str:
"""Render a simple ASCII table of `rows` using `columns`.
This is intentionally very small and dependency-free for demonstration.
Renderers in the project should implement the `Renderer` protocol.
"""
rows = list(rows)
# Build cell matrix (strings)
matrix: List[List[str]] = []
for r in rows:
cells: List[str] = []
for col in columns:
raw = col.extractor(r)
if col.format_fn:
try:
cell = col.format_fn(raw)
except Exception:
cell = str(raw or "")
else:
cell = str(raw or "")
cells.append(cell)
matrix.append(cells)
# Compute column widths as max(header, content)
headers = [c.header for c in columns]
widths = [len(h) for h in headers]
for row_cells in matrix:
for i, cell in enumerate(row_cells):
widths[i] = max(widths[i], len(cell))
# Helper to format a row
def fmt_row(cells: List[str]) -> str:
return " | ".join(cell.ljust(widths[i]) for i, cell in enumerate(cells))
lines: List[str] = []
lines.append(fmt_row(headers))
lines.append("-+-".join("-" * w for w in widths))
for row_cells in matrix:
lines.append(fmt_row(row_cells))
return "\n".join(lines)
# Rich-based renderer (returns a Rich Table renderable)
def render_table_rich(rows: Iterable[ResultModel], columns: List[ColumnSpec]):
"""Render rows as a `rich.table.Table` for terminal output.
Returns the Table object; callers may `Console.print(table)` to render.
"""
try:
from rich.table import Table as RichTable
except Exception as exc: # pragma: no cover - rare if rich missing
raise RuntimeError("rich is required for rich renderer") from exc
table = RichTable(show_header=True, header_style="bold")
for col in columns:
table.add_column(col.header)
for r in rows:
cells: List[str] = []
for col in columns:
raw = col.extractor(r)
if col.format_fn:
try:
cell = col.format_fn(raw)
except Exception:
cell = str(raw or "")
else:
cell = str(raw or "")
cells.append(cell)
table.add_row(*cells)
return table
def demo() -> None:
rows = list(adapter(SAMPLE_ITEMS))
table = render_table_rich(rows, columns_factory(rows))
try:
from rich.console import Console
except Exception:
# Fall back to plain printing if rich is not available
print("Example provider output:")
print(render_table(rows, columns_factory(rows)))
return
console = Console()
console.print("Example provider output:")
console.print(table)
def demo_with_selection(idx: int = 0) -> None:
"""Demonstrate how a cmdlet would use provider registration and selection args.
- Fetch the registered provider by name
- Build rows via adapter
- Render the table
- Show the selection args for the chosen row; these are the args a cmdlet
would append when the user picks that row.
"""
from SYS.result_table_adapters import get_provider
provider = get_provider("example")
rows = list(provider.adapter(SAMPLE_ITEMS))
cols = provider.get_columns(rows)
# Render
try:
from rich.console import Console
except Exception:
print(render_table(rows, cols))
sel_args = provider.selection_args(rows[idx])
print("Selection args for row", idx, "->", sel_args)
return
console = Console()
console.print("Example provider output:")
console.print(render_table_rich(rows, cols))
# Selection args example
sel = provider.selection_args(rows[idx])
console.print("Selection args for row", idx, "->", sel)
if __name__ == "__main__":
demo()

View File

@@ -5,7 +5,7 @@ starting point for implementing a full Vimm (vimm.net) provider.
It prefers server-rendered HTML parsing via lxml and uses the repo's
`HTTPClient` helper for robust HTTP calls (timeouts/retries).
Selectors in `search()` are intentionally permissive heuristics; update the
XPaths to match the real site HTML when you have an actual fixture.
"""
@@ -78,6 +78,11 @@ class Vimm(Provider):
resp = client.get(url)
content = resp.content
except Exception as exc:
# Log and return empty results on failure. The HTTP client will
# already attempt a certifi-based retry in common certificate
# verification failure cases; if you still see cert errors, install
# the `certifi` package or configure SSL_CERT_FILE to point at a
# valid CA bundle.
log(f"[vimm] HTTP fetch failed: {exc}", file=sys.stderr)
return []
@@ -183,3 +188,104 @@ class Vimm(Provider):
continue
return results[: max(0, int(limit))]
# Bridge into the ResultTable provider registry so vimm results can be rendered
# with the new provider/table/select API.
try:
from SYS.result_table_adapters import register_provider
from SYS.result_table_api import ResultModel
from SYS.result_table_api import title_column, ext_column, metadata_column
def _convert_search_result_to_model(sr):
try:
if hasattr(sr, "to_dict"):
d = sr.to_dict()
elif isinstance(sr, dict):
d = sr
else:
d = {
"title": getattr(sr, "title", str(sr)),
"path": getattr(sr, "path", None),
"size_bytes": getattr(sr, "size_bytes", None),
"columns": getattr(sr, "columns", None),
"full_metadata": getattr(sr, "full_metadata", None),
}
except Exception:
d = {"title": getattr(sr, "title", str(sr))}
title = d.get("title") or ""
path = d.get("path") or None
size = d.get("size_bytes") or None
ext = None
try:
if path:
from pathlib import Path
suf = Path(str(path)).suffix
if suf:
ext = suf.lstrip(".")
except Exception:
ext = None
metadata = d.get("full_metadata") or d.get("metadata") or {}
return ResultModel(
title=str(title),
path=str(path) if path is not None else None,
ext=str(ext) if ext is not None else None,
size_bytes=int(size) if size is not None else None,
metadata=metadata or {},
source="vimm",
)
def _adapter(items):
for it in items:
yield _convert_search_result_to_model(it)
def _columns_factory(rows):
cols = [title_column()]
if any(getattr(r, "ext", None) for r in rows):
cols.append(ext_column())
if any(getattr(r, "size_bytes", None) for r in rows):
cols.append(metadata_column("size", "Size"))
# Add up to 2 discovered metadata keys from rows
seen = []
for r in rows:
for k in (r.metadata or {}).keys():
if k in ("name", "title", "path"):
continue
if k not in seen:
seen.append(k)
if len(seen) >= 2:
break
if len(seen) >= 2:
break
for k in seen:
cols.append(metadata_column(k))
return cols
def _selection_fn(row):
if getattr(row, "path", None):
return ["-path", row.path]
return ["-title", row.title or ""]
SAMPLE_ITEMS = [
{"title": "Room of Awe", "path": "sample/Room of Awe", "ext": "zip", "size_bytes": 1024 * 1024 * 12, "full_metadata": {"platform": "PC"}},
{"title": "Song of Joy", "path": "sample/Song of Joy.mp3", "ext": "mp3", "size_bytes": 5120000, "full_metadata": {"platform": "PC"}},
{"title": "Cover Image", "path": "sample/Cover.jpg", "ext": "jpg", "size_bytes": 20480, "full_metadata": {}},
]
try:
register_provider(
"vimm",
_adapter,
columns=_columns_factory,
selection_fn=_selection_fn,
metadata={"description": "Vimm provider bridge (ProviderCore -> ResultTable API)"},
)
except Exception:
# Non-fatal: registration is best-effort
pass
except Exception:
pass