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Update web/core/views.py

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This commit is contained in:
Joshua Laymon 2025-08-22 13:35:58 +00:00
parent f8c29935ff
commit cc6461ced2
1 changed files with 17 additions and 34 deletions
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51
web/core/views.py
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@ -340,11 +340,10 @@ def import_wizard(request):
try:
raw = form.cleaned_data["file"].read()
# --- Decode once (BOM-safe) ---
import io, csv as _csv
text = raw.decode("utf-8-sig", errors="replace")
# --- Try to sniff a dialect; fall back to Excel CSV ---
# --- Try to sniff dialect ---
try:
first_line = text.splitlines()[0] if text else ""
dialect = _csv.Sniffer().sniff(first_line) if first_line else _csv.excel
@ -370,14 +369,13 @@ def import_wizard(request):
first = rows[0]
norm_first = [_clean_header(c) for c in first]
header_ok = (norm_first == expected_norm)
# If not header but column count matches, inject expected header.
# If no header but same column count, inject expected
if not header_ok and len(first) == len(EXPECTED):
rows.insert(0, EXPECTED)
elif not header_ok and len(first) != len(EXPECTED):
# Retry with common alternate delimiters
# Retry with alternate delimiters
for delim in (";", "\t"):
rows2 = list(_csv.reader(io.StringIO(text), delimiter=delim))
if rows2 and len(rows2[0]) == len(EXPECTED):
@ -389,44 +387,28 @@ def import_wizard(request):
rows.insert(0, EXPECTED)
break
# Re-encode sanitized CSV for the existing importer
# Re-encode sanitized CSV for importer
out = io.StringIO()
w = _csv.writer(out)
for r in rows:
w.writerow(r)
fixed_raw = out.getvalue().encode("utf-8")
# Keep utils in sync for import_csv_bytes variants
# Keep utils in sync
from . import utils as core_utils
core_utils.EXPECTED_HEADERS = EXPECTED
# Run your robust importer
# ... inside import_wizard, after:
report = import_csv_bytes(fixed_raw, dry_run=form.cleaned_data["dry_run"]) or {}
# Run robust importer
report = import_csv_bytes(fixed_raw, dry_run=form.cleaned_data["dry_run"]) or {}
# Ensure we have a canonical column list (matching your CSV order)
expected = [
"Subject", "Illustration", "Application", "Scripture", "Source",
"Talk Title", "Talk Number", "Code", "Date", "Date Edited",
]
report.setdefault("columns", expected)
# If the importer returned preview rows as dicts, convert them to list-of-lists
preview = report.get("preview") or []
if preview and isinstance(preview[0], dict):
cols = report["columns"]
report["preview"] = [[(row.get(c) or "") for c in cols] for row in preview]
report["header_ok"] = header_ok
# Normalize preview for the template: list of rows + columns list
# Normalize preview
report.setdefault("columns", EXPECTED)
if report.get("preview"):
if isinstance(report["preview"][0], dict):
cols = report["columns"]
report["preview"] = [
[row.get(c, "") for c in cols] for row in report["preview"]
]
preview = report.get("preview") or []
if preview and isinstance(preview[0], dict):
cols = report["columns"]
report["preview"] = [[row.get(c, "") for c in cols] for row in preview]
report["header_ok"] = header_ok
if not header_ok:
messages.warning(
@ -439,13 +421,14 @@ if preview and isinstance(preview[0], dict):
"import_result.html",
{"report": report, "dry_run": form.cleaned_data["dry_run"]},
)
except Exception as e:
messages.error(request, f"Import failed: {e}")
# If form invalid or error: fall through to show the form again
# Invalid form or exception → show form again
return render(request, "import_wizard.html", {"form": form})
# GET
# GET → show empty form
form = ImportForm()
return render(request, "import_wizard.html", {"form": form})