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#
# InspIRCd -- Internet Relay Chat Daemon
#
# Copyright (C) 2026 Sadie Powell <sadie@witchery.services>
#
# This file is part of InspIRCd. InspIRCd is free software: you can
# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import pathlib
from . import common
DIR = common.ROOT / "modules"
CONTRIB_DIR = DIR / "contrib"
EXTRA_DIR = DIR / "extra"
# Converts a module name to a file name.
def file_name(module):
return pathlib.Path(module).with_suffix(".cpp").name
# Convert a module file name or path to a short name.
def short_name(module):
return pathlib.Path(module).stem
# Compares two module versions and returns -1 if older, 0 if equal, or 1 if newer.
def version_compare(lhs, rhs):
for lhs, rhs in zip(lhs, rhs):
if lhs is None or rhs is None:
break
elif lhs < rhs:
return -1
elif lhs > rhs:
return 1
return 0
# Checks whether a module version matches a requirement range.
def version_in_range(version, requirement):
if not version:
return requirement
min_requirement, max_requirement = requirement
if version_compare(min_requirement, version) > 0:
return False
elif version_compare(version, max_requirement) > 0:
return False
return True
# Converts a module version string to a tuple of three elements.
def version_parse(version):
if not version:
return [None, None, None]
segments = [int(s) for s in version.split(".") if s.isdigit()]
return tuple((segments + [None, None, None])[:3])
# Converts a tuple of three elements to a module version string.
def version_string(segments):
return ".".join(str(segment) for segment in segments if segment is not None)
# Converts a two tuples of three elements to a module version range.
def version_range_string(range):
return "-".join(version_string(version) for version in set(range))
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