Reader

The top-level reading functions. Both are available directly from the xlea namespace.

import xlea
xlea.read(...)
xlea.autoread(...)

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Errors raised at the call site

Both functions resolve the schema header eagerly — before any row is yielded. This means schema errors surface immediately, not during iteration:

from xlea.exc import HeaderNotFound

try:
    rows = xlea.autoread("data.xlsx", schema=MySchema)
except HeaderNotFound:
    print("Could not find the required columns in this file.")