diff --git a/README.md b/README.md
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+++ b/README.md
@@ -1,2 +1,8 @@
 # skylabel
-LaTeX sources for creating adhesive labels used on properties, drawers and storage boxes.
+Python scripts for creating adhesive labels used on properties, drawers and storage boxes.
+
+Dependencies:
+
+* `texlive` (packages: `ctex`, `tikz`, `svg`)
+* `python3` (modules: `qrcode`)
+* `xpdf` (providing executable `pdftopng`)
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diff --git a/skylabel.py b/skylabel.py
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--- /dev/null
+++ b/skylabel.py
@@ -0,0 +1,201 @@
+#!/usr/bin/env python3
+
+import argparse
+import urllib.parse
+import qrcode
+import qrcode.image.svg
+import os
+import sys
+import shutil
+from subprocess import run
+
+
+urlPrefix = 'https://wiki.thu-skyworks.org/'
+
+texPreamable = '''
+\\documentclass{minimal}
+\\usepackage[UTF8]{ctex}
+\\usepackage{hyperref}
+\\usepackage{graphicx}
+\\usepackage{tikz}
+\\usepackage{svg}
+'''
+
+
+class skylabel:
+    NEW_CELL = 0
+    NEW_PAGE = 1
+    NEW_ROW = 2
+
+    def new(self):
+        self.counter += 1
+        # Time to start a new row
+        if self.currentcol % self.matrix[0] == 0:
+            # to start a new page
+            if self.currentrow % self.matrix[1] == 0:
+                self.currentrow = 1
+                self.currentcol = 1
+                if self.counter != 1:
+                    return self.NEW_PAGE
+                else:
+                    return self.NEW_CELL
+            else:
+                self.currentcol = 1
+                self.currentrow += 1
+                return self.NEW_ROW
+        else:
+            self.currentcol += 1
+            return self.NEW_CELL
+
+    def __init__(
+            self, pagesize, qrsize, layout, logowidth, logooffset, textoffset,
+            textsize, defaultPara, matrix=(1, 1),
+            cellsep=(0, 0)):
+        self.pagesize = pagesize
+        self.qrsize = qrsize
+        self.layout = layout
+        self.logowidth = logowidth
+        self.logooffset = logooffset
+        self.textoffset = textoffset
+        self.textsize = textsize
+        self.matrix = matrix
+        self.cellsep = cellsep
+        self.defaultPara = defaultPara
+        self.counter = 0
+        self.currentrow = 0
+        self.currentcol = 0
+
+    def genQRImg(self, customUrl, content):
+        if customUrl:
+            qrstr = urllib.parse.quote(content)
+        else:
+            qrstr = urlPrefix + urllib.parse.quote(content)
+        factory = qrcode.image.svg.SvgPathImage
+        qrcode.make(qrstr, image_factory=factory).save(
+            './temp/qr{}.svg'.format(self.counter))
+
+    def genCell(self, customUrl, para):
+        res = self.new()
+        if res == self.NEW_PAGE:
+            ret = '\\end{tikzpicture}\\newpage' + \
+                '\\begin{tikzpkcture}[remember picture, overlay, shift=' + \
+                '{(current page.north west)]\n'
+        else:
+            ret = ''
+        if self.layout == 'A':
+            self.genQRImg(customUrl, para[1])
+            ret += '\\node (qrcode{}) at ({}mm, -{}mm) [anchor=center] '.\
+                format(
+                    self.counter,
+                    0.5 * self.pagesize[0] +
+                    (self.currentcol-1)*self.cellsep[0],
+                    0.5 * self.pagesize[0] +
+                    (self.currentrow-1)*self.cellsep[1]
+                )
+            ret += '{{\\includesvg[width={}mm]{{./temp/qr{}}}}};\n'.\
+                format(self.qrsize, self.counter)
+            ret += '''\\node[anchor=north,inner sep=0,shift={{({s[0]}mm,\
+{s[1]}mm)}}] (logo{c}) at (qrcode{c}.south) {{\\includegraphics[width={w}mm]\
+{{20110623skyworkslogo}}}};\n'''.format(s=self.logooffset,
+                                        c=self.counter,
+                                        w=self.logowidth)
+            ret += '''\\node[anchor=north,inner sep=0,shift={{({s[0]}mm,\
+{s[1]}mm)}}] (text{c}) at (logo{c}.south) {{\\{size}\\sffamily {text}}};
+'''.format(s=self.textoffset, c=self.counter, size=self.textsize, text=para[0])
+            pass
+        elif self.layout == 'B':
+            self.genQRImg(customUrl, para[1])
+            ret += '\\node (qrcode{}) at ({}mm, -{}mm) [anchor=center] '.\
+                format(
+                    self.counter,
+                    0.5 * self.pagesize[0] +
+                    (self.currentcol-1)*self.cellsep[0],
+                    0.5 * self.pagesize[0] +
+                    (self.currentrow-1)*self.cellsep[1]
+                )
+            ret += '{' + '\\includesvg[width={}mm]'.format(self.qrsize) + \
+                '{./temp/qr' + str(self.counter) + '}};\n'
+            pass
+
+        return ret
+        pass
+
+
+types = {
+    '8050A':
+    skylabel(
+        pagesize=(50, 80),
+        qrsize=45, layout='A', logowidth=35, logooffset=(0, -1),
+        textsize='LARGE', textoffset=(0, -3.5),
+        defaultPara=['天空工场', '天空工场']),
+    '5030A':
+    skylabel(
+        pagesize=(30, 50),
+        qrsize=26, layout='A', logowidth=23, logooffset=(0, -1),
+        textsize='large', textoffset=(0, -2.5),
+        defaultPara=['天空工场', '天空工场']),
+    '2015TB':  # 20mm x 15mm Triple
+    skylabel(
+        pagesize=(15, 64),
+        qrsize=13, layout='B', logowidth=5, logooffset=(0, 0),
+        textsize='small', textoffset=(0, 0), matrix=(1, 3),
+        cellsep=(0, 22), defaultPara=['天空工场', '天空工场'])
+}
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(
+        description='Generate a PDF file for printing on adhesive labels with '
+        'thermal printer.')
+    parser.add_argument(
+        '-i',
+        metavar='INPUT',
+        help='Input file name.',
+        default='input.csv')
+    parser.add_argument(
+        '-o',
+        metavar='OUTPUT',
+        help='Output PDF file name prefix.',
+        default='output')
+    parser.add_argument(
+        '-t',
+        metavar='TYPE',
+        default='8050-A',
+        choices=types,
+        help='Label size and layout.')
+    parser.add_argument('-c', '--custom-url', action='store_true')
+    parser.add_argument('--generate-examples', action='store_true')
+    parser.add_argument('--debug', action='store_true')
+
+    args = parser.parse_args()
+
+    shutil.rmtree('./temp')
+    os.makedirs('./temp')
+    if args.generate_examples:
+        os.makedirs('./examples', exist_ok=True)
+        for k, v in types.items():
+            tex = texPreamable + '\\usepackage[papersize={' + \
+                '{}mm, {}mm'.format(v.pagesize[0], v.pagesize[1]) + \
+                '}]{geometry}\n' + \
+                '\\begin{document}\n' + \
+                '\\begin{tikzpicture}[remember picture, overlay, shift=' + \
+                '(current page.north west)]\n'
+            for i in range(v.matrix[0] * v.matrix[1]):
+                tex += v.genCell(args.custom_url, v.defaultPara)
+            pass
+            tex += '\\end{tikzpicture}\n\\end{document}'
+            with open('./temp/' + k + '.tex', 'w') as f:
+                f.write(tex)
+            # Run twice to get node positions right.
+            p = run(['xelatex', '-shell-escape', '-interaction=nonstopmode',
+                     '-output-directory=./temp', '-halt-on-error',
+                     './temp/' + k + '.tex'], stdout=sys.stdout,
+                    encoding='utf-8')
+            assert(p.returncode == 0)
+            p = run(['xelatex', '-shell-escape', '-interaction=nonstopmode',
+                     '-output-directory=./temp', '-halt-on-error',
+                     './temp/' + k + '.tex'], stdout=sys.stdout,
+                    encoding='utf-8')
+            assert(p.returncode == 0)
+            p = run(['pdftopng', './temp/' + k + '.pdf', './examples/' + k],
+                    stdout=sys.stdout)
+            assert(p.returncode == 0)