mirror of
https://github.com/python-escpos/python-escpos
synced 2025-10-23 09:30:00 +00:00
Moved printer destination configuration to config file
This commit is contained in:
Davis Goglin
committed by
Davis Goglin
Davis Goglin
parent
6096c15b80
commit
87a73beb31
196
escpos/cli.py
196
escpos/cli.py
@@ -6,103 +6,58 @@ import argparse
|
||||
import sys
|
||||
import serial
|
||||
import six
|
||||
import os
|
||||
import itertools
|
||||
from ConfigParser import ConfigParser
|
||||
from escpos import printer
|
||||
|
||||
config_filenames = [
|
||||
'.python-escpos',
|
||||
'python-escpos.ini'
|
||||
]
|
||||
config_dirs = [
|
||||
os.path.join(os.environ['HOME'], '.config')
|
||||
]
|
||||
|
||||
for environ in ('HOME', 'XDG_CONFIG_HOME'):
|
||||
try:
|
||||
config_dirs.append(os.environ[environ])
|
||||
except (KeyError):
|
||||
pass
|
||||
|
||||
config_files = [os.path.join(x, y) for x, y in list(itertools.product(config_dirs, config_filenames))]
|
||||
|
||||
config = ConfigParser()
|
||||
files_read = config.read(config_files)
|
||||
if not files_read:
|
||||
raise Exception('Couldn\'t find config files at {config_files}'.format(
|
||||
config_files=config_files,
|
||||
))
|
||||
|
||||
if 'printer' not in config.sections():
|
||||
raise Exception('Couldn\'t find [printer] config section in config_file(s): {files}'.format(
|
||||
files="\n".join(files_read),
|
||||
))
|
||||
|
||||
printer_config = dict(config.items('printer'))
|
||||
printer_name = printer_config.pop('type').title()
|
||||
|
||||
if not hasattr(printer, printer_name):
|
||||
raise Exception('Couldn\'t find printer type {printer_name}'.format(
|
||||
printer_name=printer_name,
|
||||
))
|
||||
|
||||
try:
|
||||
target_printer = getattr(printer, printer_name)(**printer_config)
|
||||
except TypeError as e:
|
||||
raise Exception('Unable to create {printer_name} printer: {error}'.format(
|
||||
printer_name=printer_name,
|
||||
error=str(e),
|
||||
))
|
||||
|
||||
parser = argparse.ArgumentParser(
|
||||
description='CLI for python-escpos',
|
||||
epilog='To see help for escpos commands, run with a destination defined.',
|
||||
)
|
||||
|
||||
parser_dest_file = parser.add_argument_group('File Destination')
|
||||
parser_dest_file.set_defaults(func=printer.File)
|
||||
parser_dest_file.add_argument(
|
||||
'--file-devfile',
|
||||
help='Destination file',
|
||||
)
|
||||
|
||||
parser_dest_network = parser.add_argument_group('Network Destination')
|
||||
parser_dest_network.set_defaults(func=printer.Network)
|
||||
parser_dest_network.add_argument(
|
||||
'--host',
|
||||
help='Destination host',
|
||||
)
|
||||
parser_dest_network.add_argument(
|
||||
'--port',
|
||||
help='Destination port',
|
||||
type=int
|
||||
)
|
||||
parser_dest_network.add_argument(
|
||||
'--network-timeout',
|
||||
help='Timeout in seconds',
|
||||
type=int
|
||||
)
|
||||
|
||||
parser_dest_usb = parser.add_argument_group('USB Destination')
|
||||
parser_dest_usb.set_defaults(func=printer.Usb)
|
||||
parser_dest_usb.add_argument(
|
||||
'--idVendor',
|
||||
help='USB Vendor ID',
|
||||
)
|
||||
parser_dest_usb.add_argument(
|
||||
'--idProduct',
|
||||
help='USB Device ID',
|
||||
)
|
||||
parser_dest_usb.add_argument(
|
||||
'--interface',
|
||||
help='USB device interface',
|
||||
type=int
|
||||
)
|
||||
parser_dest_usb.add_argument(
|
||||
'--in_ep',
|
||||
help='In endpoint',
|
||||
type=int
|
||||
)
|
||||
parser_dest_usb.add_argument(
|
||||
'--out_ep',
|
||||
help='Out endpoint',
|
||||
type=int
|
||||
)
|
||||
|
||||
parser_dest_serial = parser.add_argument_group('Serial Destination')
|
||||
parser_dest_serial.set_defaults(func=printer.Serial)
|
||||
parser_dest_serial.add_argument(
|
||||
'--serial-devfile',
|
||||
help='Destination device file',
|
||||
)
|
||||
parser_dest_serial.add_argument(
|
||||
'--baudrate',
|
||||
help='Baudrate for serial transmission',
|
||||
type=int
|
||||
)
|
||||
parser_dest_serial.add_argument(
|
||||
'--bytesize',
|
||||
help='Serial byte size',
|
||||
type=int
|
||||
)
|
||||
parser_dest_serial.add_argument(
|
||||
'--serial-timeout',
|
||||
help='Read/Write timeout in seconds',
|
||||
type=int
|
||||
)
|
||||
parser_dest_serial.add_argument(
|
||||
'--parity',
|
||||
help='Parity checking',
|
||||
choices=[serial.PARITY_NONE, serial.PARITY_EVEN, serial.PARITY_ODD, serial.PARITY_MARK, serial.PARITY_SPACE]
|
||||
)
|
||||
parser_dest_serial.add_argument(
|
||||
'--stopbits',
|
||||
help='Number of stopbits',
|
||||
choices=[serial.STOPBITS_ONE, serial.STOPBITS_ONE_POINT_FIVE, serial.STOPBITS_TWO]
|
||||
)
|
||||
parser_dest_serial.add_argument(
|
||||
'--xonxoff',
|
||||
help='Software flow control',
|
||||
type=bool
|
||||
)
|
||||
parser_dest_serial.add_argument(
|
||||
'--dsrdtr',
|
||||
help='Hardware flow control (False to enable RTS,CTS)',
|
||||
type=bool
|
||||
epilog='Printer configuration is defined in the python-escpos config file.',
|
||||
)
|
||||
|
||||
command_subparsers = parser.add_subparsers(
|
||||
@@ -329,59 +284,8 @@ parser_command_panel_buttons.add_argument(
|
||||
# Get only arguments actually passed
|
||||
args = dict([k, v] for k, v in six.iteritems(vars(parser.parse_args())) if v)
|
||||
|
||||
# Argparse doesn't tell us what came in which group, so we need to check
|
||||
# Is it better to dig into parser for this, or keep a hardcoded list?
|
||||
group_args = {
|
||||
'File': ('file_devfile', ),
|
||||
'Network': ('host', 'port', 'network_timeout' ),
|
||||
'Usb': ('idVendor', 'idProduct', 'interface', 'in_ep', 'out_ep' ),
|
||||
'Serial': ('serial_devfile', 'baudrate', 'serial_timeout', 'parity', 'stopbits', 'xonxoff', 'dstdtr' ),
|
||||
}
|
||||
|
||||
argument_translations = {
|
||||
'file_devfile': 'devfile',
|
||||
'serial_devfile': 'devfile',
|
||||
'network_timeout': 'timeout',
|
||||
'serial_timeout': 'timeout',
|
||||
}
|
||||
|
||||
# To be found
|
||||
target_printer = None
|
||||
printer_arguments = {}
|
||||
|
||||
target_command = args.pop('func')
|
||||
command_arguments = {}
|
||||
|
||||
# Find the printer that matches the arguments sent
|
||||
for printer_group, arguments in six.iteritems(group_args):
|
||||
# See if there were any arguments passed that match this group
|
||||
passed_args = dict([[k, v] for k, v in six.iteritems(args) if k in arguments])
|
||||
if not passed_args:
|
||||
# Nope
|
||||
continue
|
||||
# We found a printer
|
||||
target_printer = printer_group
|
||||
break
|
||||
|
||||
if not target_printer:
|
||||
raise Exception('No printer matches passed arguments')
|
||||
|
||||
# Sort the arguments into printer or escpos command
|
||||
for arg, value in six.iteritems(args):
|
||||
# This one belongs to the printer
|
||||
if arg in group_args[target_printer]:
|
||||
# Translate it if we need to
|
||||
if arg in argument_translations.keys():
|
||||
target_argument = argument_translations[arg]
|
||||
printer_arguments[target_argument] = value
|
||||
else:
|
||||
printer_arguments[arg] = value
|
||||
else:
|
||||
# This belongs to the escpos command
|
||||
command_arguments[arg] = value
|
||||
|
||||
# Create a printer
|
||||
p = getattr(printer, target_printer)(**printer_arguments)
|
||||
command_arguments = args
|
||||
|
||||
# print command with args
|
||||
getattr(p, target_command)(**command_arguments)
|
||||
getattr(target_printer, target_command)(**command_arguments)
|
||||
|
||||
Reference in New Issue
Block a user