From af3677e13d0b013ebac4d3e2467a3979af9b6fd8 Mon Sep 17 00:00:00 2001
From: Thomas Kolb <cfr34k-git@tkolb.de>
Date: Sat, 24 Aug 2024 17:52:41 +0200
Subject: [PATCH] Add existing scripts for generating part labels

---
 mklabel_dual.py   | 96 +++++++++++++++++++++++++++++++++++++++++++++++
 mklabel_single.py | 66 ++++++++++++++++++++++++++++++++
 requirements.txt  |  1 +
 3 files changed, 163 insertions(+)
 create mode 100755 mklabel_dual.py
 create mode 100755 mklabel_single.py
 create mode 100644 requirements.txt

diff --git a/mklabel_dual.py b/mklabel_dual.py
new file mode 100755
index 0000000..8df644f
--- /dev/null
+++ b/mklabel_dual.py
@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+from PIL import Image
+import zpl
+import csv
+
+# note: a page contains two labels in one row. This script therefore generates
+# two labels in one row, where each label describes two parts.
+
+PAGE_W = 100
+PAGE_H = 24
+
+# the labels are a bit too large for our part drawers, so we add some empty
+# space at the top that can be folded or cut away.
+
+TOP_OFFSET = 6
+
+def add_part(l, idx, part_id, title):
+    l.origin(3+idx*PAGE_W/4, TOP_OFFSET)
+    #l.barcode('Q', f'http://partdb.im.zam.haus/scan/part/{part_id}', magnification=2, errorCorrection='L')
+    l.barcode('X', f'http://partdb.im.zam.haus/scan/part/{part_id}', height=3)
+    l.endorigin()
+
+    text_left = 13+idx*PAGE_W/4
+    l.origin(text_left, TOP_OFFSET + 1)
+    l.write_text(f'ID: {part_id}', char_height=3, char_width=3, line_width=PAGE_W/4*(1+idx)-text_left-2,
+                 justification='L', max_line=2)
+    l.endorigin()
+
+    maxlen = 30
+    if len(title) > maxlen:
+        words = title.split(' ')
+        if len(words) == 1:
+            # only one word: cut off the end
+            title = title[:maxlen] + "..."
+        else:
+            # concatenate words until the character limit is reached
+            words_out = []
+            total_len = 0
+            for word in words:
+                new_len = total_len + 1 + len(word)
+                if new_len > maxlen:
+                    break
+
+                print(f"Appending »{word}«", file=sys.stderr)
+
+                words_out.append(word)
+                total_len = new_len
+
+            title = " ".join(words_out) + "..."
+
+    text_left = 3+idx*PAGE_W/4
+    l.origin(text_left, TOP_OFFSET+11)
+    l.write_text(title, char_height=3, char_width=3, line_width=PAGE_W/4*(1+idx)-text_left,
+                 justification='L', max_line=2)
+    l.endorigin()
+
+
+part_ids = []
+titles = []
+
+with open('/tmp/export_Part_full.csv', 'r') as csvfile:
+    dialect = csv.excel()
+    dialect.delimiter = ';'
+
+    reader = csv.DictReader(csvfile, dialect=dialect)
+    for row in reader:
+        part_ids.append(int(row['id']))
+
+        name = row['name']
+        name = name.replace('μ', 'u')
+        name = name.replace('Ω', 'Ohm')
+        titles.append(name)
+
+for i in range(len(part_ids)):
+    if i % 4 == 0:
+        l = zpl.Label(height=PAGE_H, width=PAGE_W, dpmm=8.0)
+
+    if i % 2 == 1:
+        print("Drawing Box…", file=sys.stderr)
+        #l.origin(PAGE_W*i/4, TOP_OFFSET)
+        l.origin(10, 10)
+        l.draw_box(width=10*l.dpmm, height=10*l.dpmm, thickness=5)
+
+    print(f"{part_ids[i]} => {titles[i]}", file=sys.stderr)
+    add_part(l, i%4, part_ids[i], titles[i])
+
+    if i % 4 == 3:
+        print(l.dumpZPL())
+
+if len(part_ids) % 4 != 0:
+    print(l.dumpZPL())
+
+#l.preview()
diff --git a/mklabel_single.py b/mklabel_single.py
new file mode 100755
index 0000000..9d9fd4d
--- /dev/null
+++ b/mklabel_single.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+
+import os
+from PIL import Image
+import zpl
+import csv
+
+# note: a page contains two labels in one row. This script therefore generates
+# two labels in one row, where each label describes a single part.
+
+PAGE_W = 100
+PAGE_H = 24
+
+# the labels are a bit too large for our part drawers, so we add some empty
+# space at the top that can be folded or cut away.
+
+TOP_OFFSET = 6
+
+def add_part(l, idx, part_id, title):
+    l.origin(3+idx*PAGE_W/2, TOP_OFFSET)
+    l.barcode('Q', f'http://partdb.im.zam.haus/scan/part/{part_id}', magnification=3, errorCorrection='L')
+    l.endorigin()
+
+    text_left = 3+idx*PAGE_W/2
+    l.origin(text_left, TOP_OFFSET + 14)
+    l.write_text(f'ID: {part_id}', char_height=4, char_width=4, line_width=PAGE_W/2*(1+idx)-text_left-2,
+                 justification='L')
+    l.endorigin()
+
+    text_left = 18+idx*PAGE_W/2
+    l.origin(text_left, TOP_OFFSET+1)
+    l.write_text(title, char_height=4, char_width=4, line_width=PAGE_W/2*(1+idx)-text_left-2,
+                 justification='L', max_line=4)
+    l.endorigin()
+
+
+part_ids = []
+titles = []
+
+with open('/tmp/export_Part_full.csv', 'r') as csvfile:
+    dialect = csv.excel()
+    dialect.delimiter = ';'
+
+    reader = csv.DictReader(csvfile, dialect=dialect)
+    for row in reader:
+        part_ids.append(int(row['id']))
+
+        name = row['name']
+        name = name.replace('μ', 'u')
+        name = name.replace('Ω', 'Ohm')
+        titles.append(name)
+
+for i in range(len(part_ids)):
+    if i % 2 == 0:
+        l = zpl.Label(height=PAGE_H, width=PAGE_W, dpmm=8.0)
+
+    print(f"{part_ids[i]} => {titles[i]}")
+    add_part(l, i%2, part_ids[i], titles[i])
+
+    if i % 2 == 1:
+        print(l.dumpZPL())
+
+if len(part_ids) % 2 != 0:
+    print(l.dumpZPL())
+
+#l.preview()
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..436b245
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+zpl