mirror of
https://github.com/aborelis/ASN-Label-Generator.git
synced 2026-03-14 16:43:27 +00:00
139 lines
4.5 KiB
Python
139 lines
4.5 KiB
Python
from collections.abc import Iterator
|
|
from reportlab.pdfgen import canvas
|
|
from reportlab.lib.pagesizes import A4
|
|
from reportlab.lib.units import mm, cm
|
|
|
|
# Usage:
|
|
# label = AveryLabels.AveryLabel(5160)
|
|
# label.open( "labels5160.pdf" )
|
|
# label.render( RenderAddress, 30 )
|
|
# label.close()
|
|
#
|
|
# 'render' can either pass a callable, which receives the canvas object
|
|
# (with X,Y=0,0 at the lower right) or a string "form" name of a form
|
|
# previously created with canv.beginForm().
|
|
|
|
|
|
# labels across
|
|
# labels down
|
|
# label size w/h
|
|
# label gutter across/down
|
|
# page margins left/top
|
|
# page size w/h or name from reportlab.lib.pagesizes
|
|
|
|
labelInfo = {
|
|
# 24x 70mm x 37mm on A4 with 3x8
|
|
6605: (3, 8, (70 * mm, 37 * mm), (0, 0), (0, 0), A4),
|
|
# 22x 32mm x 10mm mini labels
|
|
3044: (2, 11, (32, 10), (2, 2), (1, 1), (66.5 * mm, 120.5 * mm)),
|
|
# 189x 25.4mm x 10mm mini labels
|
|
4731: (7, 27, (25.4 * mm, 10 * mm), (2.5 * mm, 0), (9 * mm, 13.5 * mm), A4),
|
|
# 2.6 x 1 address labels
|
|
5160: (3, 10, (187, 72), (11, 0), (14, 36), A4),
|
|
5161: (2, 10, (288, 72), (0, 0), (18, 36), A4),
|
|
# 4 x 2 address labels
|
|
5163: (2, 5, (288, 144), (0, 0), (18, 36), A4),
|
|
# 1.75 x 0.5 return address labels
|
|
5167: (4, 20, (126, 36), (0, 0), (54, 36), A4),
|
|
# 3.5 x 2 business cards
|
|
5371: (2, 5, (252, 144), (0, 0), (54, 36), A4),
|
|
# 48x 45.7x21.2mm
|
|
4778: (4, 12, (45.7 * mm, 21.2 * mm), (0.25 * cm, 0), (1.1 * cm, 2 * cm), A4),
|
|
# APLI 100984 40x 52.5x29.7mm
|
|
100984: (4, 10, (52.5 * mm, 29.7 * mm), (0, 0), (0, 0), A4),
|
|
}
|
|
|
|
|
|
class AveryLabel:
|
|
|
|
def __init__(self, label, **kwargs):
|
|
data = labelInfo[label]
|
|
self.across = data[0]
|
|
self.down = data[1]
|
|
self.size = data[2]
|
|
self.labelsep = self.size[0] + data[3][0], self.size[1] + data[3][1]
|
|
self.margins = data[4]
|
|
self.top_down = True
|
|
self.debug = False
|
|
self.pagesize = data[5]
|
|
self.position = 0
|
|
self.__dict__.update(kwargs)
|
|
|
|
def open(self, filename):
|
|
"""open a canvas for the file"""
|
|
self.canvas = canvas.Canvas(filename, pagesize=self.pagesize)
|
|
if self.debug:
|
|
self.canvas.setPageCompression(0)
|
|
self.canvas.setLineJoin(1)
|
|
self.canvas.setLineCap(1)
|
|
|
|
def top_left(self, x=None, y=None):
|
|
""" return top left"""
|
|
if x is None:
|
|
x = self.position
|
|
if y is None:
|
|
if self.top_down:
|
|
x, y = divmod(x, self.down)
|
|
else:
|
|
y, x = divmod(x, self.across)
|
|
|
|
return (
|
|
self.margins[0] + x * self.labelsep[0],
|
|
self.pagesize[1] - self.margins[1] - (y + 1) * self.labelsep[1],
|
|
)
|
|
|
|
def advance(self):
|
|
""" move to next position"""
|
|
self.position += 1
|
|
if self.position == self.across * self.down:
|
|
self.canvas.showPage()
|
|
self.position = 0
|
|
|
|
def close(self):
|
|
"""save and close canvas"""
|
|
if self.position:
|
|
self.canvas.showPage()
|
|
self.canvas.save()
|
|
self.canvas = None
|
|
|
|
# To render, you can either create a template and tell me
|
|
# "go draw N of these templates" or provide a callback.
|
|
# Callback receives canvas, width, height.
|
|
#
|
|
# Or, pass a callable and an iterator. We'll do one label
|
|
# per iteration of the iterator.
|
|
|
|
def render(self, thing, count, offset=0, *args):
|
|
""" render loop"""
|
|
assert callable(thing) or isinstance(thing, str)
|
|
if isinstance(count, Iterator):
|
|
self.render_iterator(thing, count)
|
|
return
|
|
|
|
canv = self.canvas
|
|
for i in range(offset + count):
|
|
if i >= offset:
|
|
canv.saveState()
|
|
canv.translate(*self.top_left())
|
|
if self.debug:
|
|
canv.setLineWidth(0.25)
|
|
canv.rect(0, 0, self.size[0], self.size[1])
|
|
if callable(thing):
|
|
thing(canv, self.size[0], self.size[1], *args)
|
|
elif isinstance(thing, str):
|
|
canv.doForm(thing)
|
|
canv.restoreState()
|
|
self.advance()
|
|
|
|
def render_iterator(self, func, iterator):
|
|
""" render loop for iterator """
|
|
canv = self.canvas
|
|
for chunk in iterator:
|
|
canv.saveState()
|
|
canv.translate(*self.top_left())
|
|
if self.debug:
|
|
canv.setLineWidth(0.25)
|
|
canv.rect(0, 0, self.size[0], self.size[1])
|
|
func(canv, self.size[0], self.size[1], chunk)
|
|
canv.restoreState()
|
|
self.advance()
|