initial import

plclink/__init__.py

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+__version__ = "0.4.2"

plclink/cli.py

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+import click
+from .registers import load_map
+
+@click.command()
+@click.argument("workbook")
+@click.option("--site", default="default")
+def main(workbook, site):
+    """Generate a staged point list from the master workbook."""
+    rmap = load_map(workbook, site)
+    for reg in rmap:
+        click.echo(f"{reg.addr:>6}  {reg.tag:<24} {reg.kind}")
+
+if __name__ == "__main__":
+    main()

plclink/registers.py

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+from collections import namedtuple
+Reg = namedtuple("Reg", "addr tag kind")
+
+def load_map(path, site):
+    import openpyxl
+    wb = openpyxl.load_workbook(path, read_only=True)
+    sheet = wb[site] if site in wb.sheetnames else wb.active
+    out = []
+    for row in sheet.iter_rows(min_row=2, values_only=True):
+        if not row or row[0] is None:
+            continue
+        out.append(Reg(int(row[0]), str(row[1]), str(row[2] or "HR")))
+    return out

requirements.txt

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+pymodbus==3.6.8
+openpyxl==3.1.2
+click==8.1.7