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# This file is part of libmodulemd
# Copyright (C) 2016 Red Hat, Inc.
# Copyright (C) 2017-2018 Stephen Gallagher
#
# Fedora-License-Identifier: MIT
# SPDX-2.0-License-Identifier: MIT
# SPDX-3.0-License-Identifier: MIT
#
# This program is free software.
# For more information on the license, see COPYING.
# For more information on free software, see
# <https://www.gnu.org/philosophy/free-sw.en.html>.
from ..module import get_introspection_module
from ..overrides import override
import functools
from six import text_type
from gi.repository import GLib
import datetime
Modulemd = get_introspection_module("Modulemd")
__all__ = []
class ModulemdUtil(object):
@staticmethod
def strip_gtype(method):
@functools.wraps(method)
def wrapped(*args, **kwargs):
ret = method(*args, **kwargs)
if len(ret) == 2:
return ret[1]
else:
return ret[1:]
return wrapped
@staticmethod
def variant_str(s):
"""Converts a string to a GLib.Variant"""
if not isinstance(s, str):
raise TypeError("Only strings are supported for scalars")
return GLib.Variant.new_string(s)
@staticmethod
def variant_bool(b):
"""Converts a boolean to a GLib.Varant"""
if not isinstance(b, bool):
raise TypeError("Only booleans are supported")
return GLib.Variant.new_boolean(b)
@staticmethod
def variant_list(vl):
"""Converts a list to a GLib.Variant"""
# If this is a zero-length array, handle it specially
if len(vl) == 0:
return GLib.Variant.new_array(GLib.VariantType("v"))
# Build the array from each entry
builder = GLib.VariantBuilder(GLib.VariantType("a*"))
for item in vl:
if item is None:
item = ""
builder.add_value(ModulemdUtil.python_to_variant(item))
return builder.end()
@staticmethod
def variant_dict(d):
"""Converts a dictionary to a dictionary of GLib.Variant"""
if not isinstance(d, dict):
raise TypeError("Only dictionaries are supported for mappings")
vdict = GLib.VariantDict()
for k, v in d.items():
if v is None:
v = ""
vdict.insert_value(k, ModulemdUtil.python_to_variant(v))
return vdict.end()
@staticmethod
def python_to_variant(obj):
if isinstance(obj, str):
return ModulemdUtil.variant_str(obj)
elif isinstance(obj, text_type):
return ModulemdUtil.variant_str(obj.encode("utf-8"))
elif isinstance(obj, bool):
return ModulemdUtil.variant_bool(obj)
elif isinstance(obj, list):
return ModulemdUtil.variant_list(obj)
elif isinstance(obj, dict):
return ModulemdUtil.variant_dict(obj)
else:
raise TypeError("Cannot convert unknown type")
if float(Modulemd._version) >= 2:
if hasattr(Modulemd, "read_packager_file"):
read_packager_file = ModulemdUtil.strip_gtype(
Modulemd.read_packager_file
)
__all__.append("read_packager_file")
if hasattr(Modulemd, "read_packager_string"):
read_packager_string = ModulemdUtil.strip_gtype(
Modulemd.read_packager_string
)
__all__.append("read_packager_string")
if hasattr(Modulemd.ModuleIndex, "add_known_stream"):
class ModuleIndex(Modulemd.ModuleIndex):
def set_known_streams(self, known_streams):
for module, streams in known_streams.items():
for stream in streams:
super(ModuleIndex, self).add_known_stream(
module, stream
)
ModuleIndex = override(ModuleIndex)
__all__.append(ModuleIndex)
if hasattr(Modulemd, "PackagerV3"):
class PackagerV3(Modulemd.PackagerV3):
def set_xmd(self, xmd):
super(PackagerV3, self).set_xmd(
ModulemdUtil.python_to_variant(xmd)
)
def get_xmd(self):
variant_xmd = super(PackagerV3, self).get_xmd()
if variant_xmd is None:
return {}
return variant_xmd.unpack()
PackagerV3 = override(PackagerV3)
__all__.append(PackagerV3)
if hasattr(Modulemd, "ModuleStreamV2"):
class ModuleStreamV2(Modulemd.ModuleStreamV2):
def set_xmd(self, xmd):
super(ModuleStreamV2, self).set_xmd(
ModulemdUtil.python_to_variant(xmd)
)
def get_xmd(self):
variant_xmd = super(ModuleStreamV2, self).get_xmd()
if variant_xmd is None:
return {}
return variant_xmd.unpack()
ModuleStreamV2 = override(ModuleStreamV2)
__all__.append(ModuleStreamV2)
if hasattr(Modulemd, "ModuleStreamV1"):
class ModuleStreamV1(Modulemd.ModuleStreamV1):
def set_xmd(self, xmd):
super(ModuleStreamV1, self).set_xmd(
ModulemdUtil.python_to_variant(xmd)
)
def get_xmd(self):
variant_xmd = super(ModuleStreamV1, self).get_xmd()
if variant_xmd is None:
return {}
return variant_xmd.unpack()
ModuleStreamV1 = override(ModuleStreamV1)
__all__.append(ModuleStreamV1)
if hasattr(Modulemd, "ServiceLevel"):
class ServiceLevel(Modulemd.ServiceLevel):
def set_eol(self, eol):
if isinstance(eol, datetime.date):
return super(ServiceLevel, self).set_eol_ymd(
eol.year, eol.month, eol.day
)
raise TypeError(
"Expected datetime.date, but got %s."
% (type(eol).__name__)
)
def get_eol(self):
eol = super(ServiceLevel, self).get_eol()
if eol is None:
return None
return datetime.date(
eol.get_year(), eol.get_month(), eol.get_day()
)
ServiceLevel = override(ServiceLevel)
__all__.append(ServiceLevel)
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