From ca74d8073b7a55364cf1b14814c1266a99dc3568 Mon Sep 17 00:00:00 2001
From: schen <schen@galionsystems.com>
Date: Wed, 17 Jun 2026 14:22:05 +0000
Subject: [PATCH] initial import

---
 plclink/__init__.py  |  1 +
 plclink/cli.py       | 14 ++++++++++++++
 plclink/registers.py | 13 +++++++++++++
 requirements.txt     |  3 +++
 4 files changed, 31 insertions(+)
 create mode 100644 plclink/__init__.py
 create mode 100644 plclink/cli.py
 create mode 100644 plclink/registers.py
 create mode 100644 requirements.txt

diff --git a/plclink/__init__.py b/plclink/__init__.py
new file mode 100644
index 0000000..df12433
--- /dev/null
+++ b/plclink/__init__.py
@@ -0,0 +1 @@
+__version__ = "0.4.2"
diff --git a/plclink/cli.py b/plclink/cli.py
new file mode 100644
index 0000000..78139a5
--- /dev/null
+++ b/plclink/cli.py
@@ -0,0 +1,14 @@
+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()
diff --git a/plclink/registers.py b/plclink/registers.py
new file mode 100644
index 0000000..1de2ca9
--- /dev/null
+++ b/plclink/registers.py
@@ -0,0 +1,13 @@
+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
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..cb74a04
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+pymodbus==3.6.8
+openpyxl==3.1.2
+click==8.1.7