jcgruenhage/paperless-asn-qr-codes
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refactor: make labelinfo strongly typed

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Jan Christian Grünhage 2023-11-25 16:38:49 +01:00
parent a6b9eb5069
commit 46f3a2fb6f
Signed by: jcgruenhage
GPG key ID: EEC1170CE56FA2ED
2 changed files with 25 additions and 21 deletions
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44
paperless_asn_qr_codes/avery_labels.py
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@ -1,4 +1,5 @@
import os
from dataclasses import dataclass, KW_ONLY
from collections.abc import Iterator
from reportlab.pdfgen import canvas
from reportlab.lib.pagesizes import LETTER, A4
@ -17,25 +18,28 @@ from reportlab.lib.units import mm
# (with X,Y=0,0 at the lower right) or a string "form" name of a form
# previously created with canv.beginForm().
@dataclass
class LabelInfo:
"""Class for modeling label info"""
_: KW_ONLY
labels_horizontal: int
labels_vertical: int
label_size: tuple[float, float]
gutter_size: tuple[float, float]
margin: tuple[float, float]
pagesize: tuple[float, float]
# labels across
# labels down
# label size w/h
# label gutter across/down
# page margins left/top
# page size
labelInfo = {
"averyL4731": ( 7, 27, (25.4*mm, 10*mm), (2.5*mm, 0), (9*mm, 13.5*mm), A4),
labelInfo: dict[str, LabelInfo] = {
"averyL4731": LabelInfo(labels_horizontal= 7, labels_vertical= 27, label_size= (25.4*mm, 10*mm), gutter_size= (2.5*mm, 0), margin= (9*mm, 13.5*mm), pagesize= A4),
# 2.6 x 1 address labels
"avery5160": ( 3, 10, (187, 72), (11, 0), (14, 36), LETTER),
"avery5161": ( 2, 10, (288, 72), (0, 0), (18, 36), LETTER),
"avery5160": LabelInfo(labels_horizontal= 3, labels_vertical= 10, label_size= (187, 72), gutter_size= (11, 0), margin= (14, 36), pagesize= LETTER),
"avery5161": LabelInfo(labels_horizontal= 2, labels_vertical= 10, label_size= (288, 72), gutter_size= (0, 0), margin= (18, 36), pagesize= LETTER),
# 4 x 2 address labels
"avery5163": ( 2, 5, (288, 144), (0, 0), (18, 36), LETTER),
"avery5163": LabelInfo(labels_horizontal= 2, labels_vertical= 5, label_size= (288, 144), gutter_size= (0, 0), margin= (18, 36), pagesize= LETTER),
# 1.75 x 0.5 return address labels
"avery5167": ( 4, 20, (126, 36), (0, 0), (54, 36), LETTER),
"avery5167": LabelInfo(labels_horizontal= 4, labels_vertical= 20, label_size= (126, 36), gutter_size= (0, 0), margin= (54, 36), pagesize= LETTER),
# 3.5 x 2 business cards
"avery5371": ( 2, 5, (252, 144), (0, 0), (54, 36), LETTER),
"avery5371": LabelInfo(labels_horizontal= 2, labels_vertical= 5, label_size= (252, 144), gutter_size= (0, 0), margin= (54, 36), pagesize= LETTER),
}
RETURN_ADDRESS = 5167
@ -45,14 +49,14 @@ 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.across = data.labels_horizontal
self.down = data.labels_vertical
self.size = data.label_size
self.labelsep = self.size[0]+data.gutter_size[0], self.size[1]+data.gutter_size[1]
self.margins = data.margin
self.topDown = True
self.debug = False
self.pagesize = data[5]
self.pagesize = data.pagesize
self.position = 0
self.__dict__.update(kwargs)

2
paperless_asn_qr_codes/main.py
View file

@ -27,6 +27,6 @@ def main():
label = avery_labels.AveryLabel(args.format)
label.open(args.output_file)
# by default, we render all labels possible on a single sheet
count = avery_labels.labelInfo[args.format][0]*avery_labels.labelInfo[args.format][1]
count = avery_labels.labelInfo[args.format].labels_horizontal*avery_labels.labelInfo[args.format].labels_vertical
label.render(render, count )
label.close()