Initial version of qlprint script

This commit is contained in:
Tom Charnock 2024-07-11 17:17:51 +02:00
commit a9af93be5d
7 changed files with 509 additions and 0 deletions

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# qlprint
Printing tools for Brother QL-570 label printer
```
$ qlprint --help
usage: QLPrint [-h] [-c COPIES] image
Printing tools for Brother QL-570 label printer
positional arguments:
image path to image (with extension, i.e. .png) or name of temporary folder to continue printing part way through a
failed print job (this would be a random string of 10 letters or numbers, e.g. oet845cgx9)
options:
-h, --help show this help message and exit
-c COPIES, --copies COPIES
number of copies of the image/images to be printed
Have fun printing!
```
## Print an image of a collection of images
```
$ qlprint {/path/to/image/and/filename.extension}
```
## Print multiple copies of an image
```
$ qlprint {/path/to/image/and/filename.extension} -c 5
```
## Recovering failed prints
A recovery code (with is a random string of 10 letter of numbers) will be printed to the console when using `qlprint`. If `qlprint` fails then the rest of the print can be recovered using
```
$ qlprint {recoverycode}
```

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{
"nodes": {
"flake-utils": {
"inputs": {
"systems": "systems"
},
"locked": {
"lastModified": 1710146030,
"narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"nix-github-actions": {
"inputs": {
"nixpkgs": [
"poetry2nix",
"nixpkgs"
]
},
"locked": {
"lastModified": 1703863825,
"narHash": "sha256-rXwqjtwiGKJheXB43ybM8NwWB8rO2dSRrEqes0S7F5Y=",
"owner": "nix-community",
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"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "nix-github-actions",
"type": "github"
}
},
"nixpkgs": {
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"lastModified": 1720657034,
"narHash": "sha256-nPhbeFdyN8yn+EXmnPcBWisoypndtQbNIhSKmAinv3E=",
"owner": "NixOS",
"repo": "nixpkgs",
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"type": "github"
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"ref": "nixpkgs-unstable",
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},
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"owner": "NixOS",
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"ref": "nixos-unstable-small",
"repo": "nixpkgs",
"type": "github"
}
},
"poetry2nix": {
"inputs": {
"flake-utils": "flake-utils",
"nix-github-actions": "nix-github-actions",
"nixpkgs": "nixpkgs_2",
"systems": "systems_2",
"treefmt-nix": "treefmt-nix"
},
"locked": {
"lastModified": 1719850884,
"narHash": "sha256-UU/lVTHFx0GpEkihoLJrMuM9DcuhZmNe3db45vshSyI=",
"owner": "nix-community",
"repo": "poetry2nix",
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"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "poetry2nix",
"type": "github"
}
},
"root": {
"inputs": {
"nixpkgs": "nixpkgs",
"poetry2nix": "poetry2nix"
}
},
"systems": {
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"owner": "nix-systems",
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},
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},
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"type": "github"
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}
},
"treefmt-nix": {
"inputs": {
"nixpkgs": [
"poetry2nix",
"nixpkgs"
]
},
"locked": {
"lastModified": 1719749022,
"narHash": "sha256-ddPKHcqaKCIFSFc/cvxS14goUhCOAwsM1PbMr0ZtHMg=",
"owner": "numtide",
"repo": "treefmt-nix",
"rev": "8df5ff62195d4e67e2264df0b7f5e8c9995fd0bd",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "treefmt-nix",
"type": "github"
}
}
},
"root": "root",
"version": 7
}

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flake.nix Normal file
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{
inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
inputs.poetry2nix.url = "github:nix-community/poetry2nix";
outputs = { self, nixpkgs, poetry2nix }:
let
supportedSystems = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
pkgs = forAllSystems (system: nixpkgs.legacyPackages.${system});
in
{
packages = forAllSystems (system: let
inherit (poetry2nix.lib.mkPoetry2Nix { pkgs = pkgs.${system}; }) mkPoetryApplication;
in {
default = mkPoetryApplication { projectDir = self; };
});
devShells = forAllSystems (system: let
inherit (poetry2nix.lib.mkPoetry2Nix { pkgs = pkgs.${system}; }) mkPoetryEnv;
in {
default = pkgs.${system}.mkShellNoCC {
packages = with pkgs.${system}; [
(mkPoetryEnv { projectDir = self; })
poetry
];
};
});
};
}

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# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
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dev = ["attrs[tests]", "pre-commit"]
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version = "0.9.4"
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[package.extras]
docs = ["furo", "olefile", "sphinx (>=7.3)", "sphinx-copybutton", "sphinx-inline-tabs", "sphinxext-opengraph"]
fpx = ["olefile"]
mic = ["olefile"]
tests = ["check-manifest", "coverage", "defusedxml", "markdown2", "olefile", "packaging", "pyroma", "pytest", "pytest-cov", "pytest-timeout"]
typing = ["typing-extensions"]
xmp = ["defusedxml"]
[[package]]
name = "pyusb"
version = "1.2.1"
description = "Python USB access module"
optional = false
python-versions = ">=3.6.0"
files = [
{file = "pyusb-1.2.1-py3-none-any.whl", hash = "sha256:2b4c7cb86dbadf044dfb9d3a4ff69fd217013dbe78a792177a3feb172449ea36"},
{file = "pyusb-1.2.1.tar.gz", hash = "sha256:a4cc7404a203144754164b8b40994e2849fde1cfff06b08492f12fff9d9de7b9"},
]
[metadata]
lock-version = "2.0"
python-versions = "^3.10"
content-hash = "40c1e26a464774347a91a748b5701b2cb4febebe202102e0dd47fad6d2360434"

21
pyproject.toml Normal file
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@ -0,0 +1,21 @@
[tool.poetry]
name = "qlprint"
version = "0.1.0"
description = "Printing tools for Brother QL-570 label printer"
authors = ["Tom Charnock <tom@charnock.fr>"]
readme = "README.md"
license = "MIT"
packages = [
{ include = "qlprint" }
]
[tool.poetry.scripts]
qlprint = "qlprint:qlprint"
[tool.poetry.dependencies]
python = "^3.10"
brother-ql = "^0.9.4"
[build-system]
requires = ["poetry-core"]
build-backend = "poetry.core.masonry.api"

1
qlprint/__init__.py Normal file
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@ -0,0 +1 @@
from .__main__ import qlprint

68
qlprint/__main__.py Normal file
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@ -0,0 +1,68 @@
import argparse
import os
import string
import random
import glob
import subprocess
def create_parser():
parser = argparse.ArgumentParser(
prog="qlprint",
description="Printing tools for Brother QL-570 label printer",
epilog="Have fun printing!")
parser.add_argument("image", type=str, help="path to image (with extension, i.e. .png) or name of temporary folder to continue printing part way through a failed print job (this would be a random string of 10 letters or numbers, e.g. oet845cgx9)")
parser.add_argument("-c", "--copies", type=int, default=1, help="number of copies of the image/images to be printed")
return parser
def qlprint():
parser = create_parser()
args = parser.parse_args()
if "." in args.image:
name = "".join(random.choices(string.ascii_lowercase + string.digits, k=10))
path = f"/tmp/{name}"
print(f"Creating temporary directory at {path}. To recover failed prints please pass the recovery key {name}")
os.mkdir(path)
filename = f"{path}/{name}.png"
print("Converting images")
task = subprocess.Popen(["magick", "-density", "300", args.image, "-trim", "-resize", "696x", filename])
task.wait()
do_print = True
else:
path = f"/tmp/{args.image}"
name = args.image
if not os.path.isdir(path):
print(f"{path} does not exist. If you are trying to continue printing can you check that the recovery key is correct. If you are trying to print a new image perhaps the extension is missing from filename (.png, .pdf, etc)")
do_print = False
elif len(os.listdir(path)) == 0:
print(f"{path} exists but is empty - there is a chance that everything has already been printed. If not and if you are trying to continue printing can you check that the recovery key is correct. If you are trying to print a new image perhaps the extension is missing from filename (.png, .pdf, etc)")
do_print = False
else:
print(f"Continuing print from {path}")
do_print = True
if do_print:
for file in sorted(glob.glob(f"{path}/{name}*.png"), key=lambda arg: int(os.path.splitext(os.path.basename(arg))[0].split("-")[1])):
for i in range(args.copies):
print(f"Printing copy {i + 1} of {os.path.basename(file)}")
task = subprocess.Popen(["brother_ql", "-b", "pyusb", "-m", "QL-570", "-p", "usb://0x04f9:0x2028/J5Z416681", "print", "-l", "62", file], stdout=subprocess.PIPE, shell=True)
task.wait()
print(task.communicate()[0].decode().split("\n"))
if i + 1 == args.copies:
if task.communicate()[0].decode() == "INFO:brother_ql.backends.helpers:Printing was successful. Waiting for the next job.":
os.remove(file)
if len(os.listdir(path)) == 0:
print("Removing temporary director")
os.rmdir(path)
def main():
qlprint()
if __name__ == "__main__":
main()