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https://git.proxmox.com/git/fwupd
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118 lines
3.8 KiB
Python
Executable File
118 lines
3.8 KiB
Python
Executable File
#!/usr/bin/python3
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# pylint: disable=invalid-name,missing-docstring
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#
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# Copyright (C) 2017 Richard Hughes <richard@hughsie.com>
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#
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# SPDX-License-Identifier: LGPL-2.1+
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import sys
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import xml.etree.ElementTree as ET
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from pkg_resources import parse_version
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XMLNS = '{http://www.gtk.org/introspection/core/1.0}'
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XMLNS_C = '{http://www.gtk.org/introspection/c/1.0}'
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def usage(return_code):
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""" print usage and exit with the supplied return code """
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if return_code == 0:
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out = sys.stdout
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else:
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out = sys.stderr
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out.write("usage: %s <NAME> <INPUT> <OUTPUT>\n" % sys.argv[0])
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sys.exit(return_code)
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class LdVersionScript:
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""" Rasterize some text """
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def __init__(self, library_name):
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self.library_name = library_name
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self.releases = {}
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def _add_node(self, node):
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identifier = node.attrib[XMLNS_C + 'identifier']
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if 'version' not in node.attrib:
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print('No version for', identifier)
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sys.exit(1)
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version = node.attrib['version']
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if version not in self.releases:
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self.releases[version] = []
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release = self.releases[version]
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release.append(identifier)
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return version
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def _add_cls(self, cls):
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# add all class functions
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for node in cls.findall(XMLNS + 'function'):
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self._add_node(node)
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# choose the lowest version method for the _get_type symbol
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version_lowest = None
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if '{http://www.gtk.org/introspection/glib/1.0}get-type' not in cls.attrib:
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return
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type_name = cls.attrib['{http://www.gtk.org/introspection/glib/1.0}get-type']
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# add all class methods
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for node in cls.findall(XMLNS + 'method'):
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version_tmp = self._add_node(node)
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if version_tmp:
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if not version_lowest or version_tmp < version_lowest:
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version_lowest = version_tmp
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# add the constructor
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for node in cls.findall(XMLNS + 'constructor'):
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version_tmp = self._add_node(node)
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if version_tmp:
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if not version_lowest or version_tmp < version_lowest:
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version_lowest = version_tmp
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# finally add the get_type symbol
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if version_lowest:
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self.releases[version_lowest].append(type_name)
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def import_gir(self, filename):
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tree = ET.parse(filename)
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root = tree.getroot()
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for ns in root.findall(XMLNS + 'namespace'):
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for node in ns.findall(XMLNS + 'function'):
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self._add_node(node)
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for cls in ns.findall(XMLNS + 'record'):
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self._add_cls(cls)
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for cls in ns.findall(XMLNS + 'class'):
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self._add_cls(cls)
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def render(self):
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# get a sorted list of all the versions
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versions = []
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for version in self.releases:
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versions.append(version)
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# output the version data to a file
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verout = '# generated automatically, do not edit!\n'
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oldversion = None
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for version in sorted(versions, key=parse_version):
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symbols = sorted(self.releases[version])
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verout += '\n%s_%s {\n' % (self.library_name, version)
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verout += ' global:\n'
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for symbol in symbols:
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verout += ' %s;\n' % symbol
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verout += ' local: *;\n'
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if oldversion:
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verout += '} %s_%s;\n' % (self.library_name, oldversion)
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else:
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verout += '};\n'
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oldversion = version
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return verout
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if __name__ == '__main__':
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if {'-?', '--help', '--usage'}.intersection(set(sys.argv)):
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usage(0)
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if len(sys.argv) != 4:
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usage(1)
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ld = LdVersionScript(library_name=sys.argv[1])
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ld.import_gir(sys.argv[2])
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open(sys.argv[3], 'w').write(ld.render())
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