mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-18 07:44:54 +00:00
84 lines
4.0 KiB
Python
84 lines
4.0 KiB
Python
import os
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import re
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from .constants import BASE_DIR
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try:
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from importlib_metadata import version
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importlib = True
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ImportNotFound = BaseException
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except ImportError:
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importlib = False
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if not importlib:
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try:
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import pkg_resources
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from pkg_resources import DistributionNotFound as ImportNotFound
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pkgresources = True
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except ImportError as e:
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pkgresources = False
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def dependency_check(optional=False):
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dep = list()
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if importlib or pkgresources:
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if optional:
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req_path = os.path.join(BASE_DIR, "optional-requirements.txt")
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else:
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req_path = os.path.join(BASE_DIR, "requirements.txt")
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if os.path.exists(req_path):
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try:
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with open(req_path, 'r') as f:
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for line in f:
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if not line.startswith('#') and not line == '\n' and not line.startswith('git'):
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res = re.match(r'(.*?)([<=>\s]+)([\d\.]+),?\s?([<=>\s]+)?([\d\.]+)?', line.strip())
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try:
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if importlib:
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dep_version = version(res.group(1))
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else:
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dep_version = pkg_resources.get_distribution(res.group(1)).version
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except ImportNotFound:
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if optional:
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continue
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else:
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return [{'name':res.group(1),
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'target': "available",
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'found': "Not available"
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}]
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if res.group(2).strip() == "==":
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if dep_version.split('.') != res.group(3).split('.'):
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dep.append({'name': res.group(1),
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'found': dep_version,
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"target": res.group(2) + res.group(3)})
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continue
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elif res.group(2).strip() == ">=":
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if dep_version.split('.') < res.group(3).split('.'):
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dep.append({'name': res.group(1),
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'found': dep_version,
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"target": res.group(2) + res.group(3)})
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continue
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elif res.group(2).strip() == ">":
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if dep_version.split('.') <= res.group(3).split('.'):
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dep.append({'name': res.group(1),
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'found': dep_version,
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"target": res.group(2) + res.group(3)})
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continue
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if res.group(4) and res.group(5):
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if res.group(4).strip() == "<":
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if dep_version.split('.') >= res.group(5).split('.'):
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dep.append(
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{'name': res.group(1),
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'found': dep_version,
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"target": res.group(4) + res.group(5)})
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continue
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elif res.group(2).strip() == "<=":
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if dep_version.split('.') > res.group(5).split('.'):
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dep.append(
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{'name': res.group(1),
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'found': dep_version,
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"target": res.group(4) + res.group(5)})
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continue
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except Exception as e:
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print(e)
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return dep
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