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python-escpos
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add support for an ESCPOS_CAPABILITIES_FILE environment variable. This is useful in situations where package structure is changed, such as using cx-freeze

This commit is contained in:
Sam Cheng 2017-03-22 15:16:07 -07:00 committed by Patrick Kanzler
parent 7b24df6581
commit a0ef820947
1 changed files with 7 additions and 2 deletions
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9
src/escpos/capabilities.py
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@ -1,10 +1,15 @@
import re import re
import six import six
from os import path from os import environ, path
import yaml import yaml
# Load external printer database # Load external printer database
with open(path.join(path.dirname(__file__), 'capabilities.json')) as f: if 'ESCPOS_CAPABILITIES_FILE' in environ:
file_path = environ['ESCPOS_CAPABILITIES_FILE']
else:
file_path = path.join(path.dirname(__file__), 'capabilities.json')
with open(file_path) as f:
CAPABILITIES = yaml.load(f) CAPABILITIES = yaml.load(f)
PROFILES = CAPABILITIES['profiles'] PROFILES = CAPABILITIES['profiles']