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md-pdf/md_pdf/config/validate.py
2017-03-30 09:00:42 +01:00

59 lines
2.0 KiB
Python

from md_pdf.exceptions import ConfigValidationException
from md_pdf.consts import CSL_DIR
import glob
import os
REQUIRED_KEYS = [
'output_dir',
'output_formats',
'input'
]
def check_required_keys(config):
missing_keys = [key for key in REQUIRED_KEYS if key not in config]
if missing_keys:
raise ConfigValidationException("Missing required keys: {}".format(", ".join(missing_keys)))
def test_output(config):
abs_output_dir = os.path.abspath(config.output_dir)
if not os.path.isdir(abs_output_dir):
raise ConfigValidationException("Can't find output directory '{}'".format(abs_output_dir))
if not config.output_formats:
raise ConfigValidationException("No output formats specified")
invalid_formats = [key for key in config.output_formats if key not in ['html', 'pdf']]
if invalid_formats:
raise ConfigValidationException("Invalid output formats provided: '{}'".format(", ".join(invalid_formats)))
def test_input(config):
abs_input = os.path.abspath(config.input)
if len(glob.glob(abs_input)) == 0:
raise ConfigValidationException("No files found at {}".format(abs_input))
def validate_bibliography(config):
if 'bibliography' not in config:
return
if 'references' not in config.bibliography:
raise ConfigValidationException("Missing References Path")
abs_bibliography = os.path.abspath(config.bibliography.references)
if not os.path.isfile(abs_bibliography):
raise ConfigValidationException("Invalid bibliography path: '{}'".format(abs_bibliography))
if 'csl' in config.bibliography:
if not os.path.isfile(os.path.join(CSL_DIR, "{}.csl".format(config.bibliography.csl))):
raise ConfigValidationException("Could not find CSL '{}'".format(config.bibliography.csl))
def validate_config(config):
for validator in [
check_required_keys,
test_input,
test_output,
validate_bibliography
]:
validator(config)