ae25298473
* We already have all the needed protos, just symlink them Change-Id: Iebdebcad0cecf3a8baf6a9fcc5590e707aacd585
298 lines
11 KiB
Python
Executable File
298 lines
11 KiB
Python
Executable File
#!/usr/bin/env python3
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from collections import OrderedDict
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from glob import glob
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from itertools import product
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import os.path
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import sys
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from xml.etree import ElementTree as ET
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from xml.sax.saxutils import escape, quoteattr
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from carriersettings_pb2 import CarrierList, CarrierSettings, \
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MultiCarrierSettings
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from carrierId_pb2 import CarrierList as CarrierIdList
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pb_path = sys.argv[1]
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carrier_id_list = CarrierIdList()
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carrier_attribute_map = {}
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with open('carrier_list.pb', 'rb') as pb:
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carrier_id_list.ParseFromString(pb.read())
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for carrier_id_obj in carrier_id_list.carrier_id:
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for carrier_attribute in carrier_id_obj.carrier_attribute:
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for carrier_attributes in product(*(
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(s.lower() for s in getattr(carrier_attribute, i) or [''])
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for i in [
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'mccmnc_tuple', 'imsi_prefix_xpattern', 'spn', 'plmn',
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'gid1', 'gid2', 'preferred_apn', 'iccid_prefix',
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'privilege_access_rule',
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]
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)):
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carrier_attribute_map[carrier_attributes] = \
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carrier_id_obj.canonical_id
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carrier_list = CarrierList()
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all_settings = {}
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for filename in glob(os.path.join(pb_path, '*.pb')):
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with open(filename, 'rb') as pb:
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if os.path.basename(filename) == 'carrier_list.pb':
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carrier_list.ParseFromString(pb.read())
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elif os.path.basename(filename) == 'others.pb':
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settings = MultiCarrierSettings()
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settings.ParseFromString(pb.read())
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for setting in settings.setting:
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assert setting.canonicalName not in all_settings
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all_settings[setting.canonicalName] = setting
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else:
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setting = CarrierSettings()
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setting.ParseFromString(pb.read())
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assert setting.canonicalName not in all_settings
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all_settings[setting.canonicalName] = setting
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# Unfortunately, python processors like xml and lxml, as well as command-line
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# utilities like tidy, do not support the exact style used by AOSP for
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# apns-full-conf.xml:
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#
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# * indent: 2 spaces
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# * attribute indent: 4 spaces
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# * blank lines between elements
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# * attributes after first indented on separate lines
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# * closing tags of multi-line elements on separate, unindented lines
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#
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# Therefore, we build the file without using an XML processor.
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class ApnElement:
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def __init__(self, apn, carrier_id):
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self.apn = apn
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self.carrier_id = carrier_id
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self.attributes = OrderedDict()
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self.add_attributes()
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def add_attribute(self, key, field=None, value=None):
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if value is not None:
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self.attributes[key] = value
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else:
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if field is None:
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field = key
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if self.apn.HasField(field):
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enum_type = self.apn.DESCRIPTOR.fields_by_name[field].enum_type
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value = getattr(self.apn, field)
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if enum_type is None:
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if isinstance(value, bool):
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self.attributes[key] = str(value).lower()
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else:
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self.attributes[key] = str(value)
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else:
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self.attributes[key] = \
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enum_type.values_by_number[value].name
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def add_attributes(self):
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try:
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self.add_attribute(
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'carrier_id',
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value=str(carrier_attribute_map[(
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self.carrier_id.mccMnc,
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self.carrier_id.imsi,
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self.carrier_id.spn.lower(),
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'',
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self.carrier_id.gid1.lower(),
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self.carrier_id.gid2.lower(),
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'',
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'',
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'',
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)])
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)
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except KeyError:
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pass
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self.add_attribute('mcc', value=self.carrier_id.mccMnc[:3])
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self.add_attribute('mnc', value=self.carrier_id.mccMnc[3:])
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self.add_attribute('apn', 'value')
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self.add_attribute('proxy')
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self.add_attribute('port')
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self.add_attribute('mmsc')
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self.add_attribute('mmsproxy', 'mmscProxy')
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self.add_attribute('mmsport', 'mmscProxyPort')
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self.add_attribute('user')
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self.add_attribute('password')
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self.add_attribute('server')
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self.add_attribute('authtype')
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self.add_attribute(
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'type',
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value=','.join(
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apn.DESCRIPTOR.fields_by_name[
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'type'
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].enum_type.values_by_number[i].name
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for i in self.apn.type
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).lower(),
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)
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self.add_attribute('protocol')
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self.add_attribute('roaming_protocol', 'roamingProtocol')
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self.add_attribute('carrier_enabled', 'carrierEnabled')
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self.add_attribute('bearer_bitmask', 'bearerBitmask')
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self.add_attribute('profile_id', 'profileId')
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self.add_attribute('modem_cognitive', 'modemCognitive')
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self.add_attribute('max_conns', 'maxConns')
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self.add_attribute('wait_time', 'waitTime')
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self.add_attribute('max_conns_time', 'maxConnsTime')
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self.add_attribute('mtu')
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mvno = self.carrier_id.WhichOneof('mvno')
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if mvno:
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self.add_attribute(
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'mvno_type',
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value='gid' if mvno.startswith('gid') else mvno,
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)
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self.add_attribute(
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'mvno_match_data',
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value=getattr(self.carrier_id, mvno),
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)
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self.add_attribute('apn_set_id', 'apnSetId')
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# No source for integer carrier_id?
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self.add_attribute('skip_464xlat', 'skip464Xlat')
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self.add_attribute('user_visible', 'userVisible')
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self.add_attribute('user_editable', 'userEditable')
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def indent(elem, level=0):
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"""Based on https://effbot.org/zone/element-lib.htm#prettyprint"""
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i = "\n" + level * " "
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if len(elem):
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if not elem.text or not elem.text.strip():
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elem.text = i + " "
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if not elem.tail or not elem.tail.strip():
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elem.tail = i
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for elem in elem:
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indent(elem, level + 1)
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if not elem.tail or not elem.tail.strip():
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elem.tail = i
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else:
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if level and (not elem.tail or not elem.tail.strip()):
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elem.tail = i
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carrier_config_root = ET.Element('carrier_config_list')
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with open('apns-full-conf.xml', 'w', encoding='utf-8') as f:
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f.write('<?xml version="1.0" encoding="UTF-8" standalone="yes"?>\n\n')
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f.write('<apns version="8">\n\n')
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version_suffix = all_settings['default'].version % 1000000000
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for entry in carrier_list.entry:
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setting = all_settings[entry.canonicalName]
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for apn in setting.apns.apn:
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f.write(' <apn carrier={}\n'.format(quoteattr(apn.name)))
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apn_element = ApnElement(apn, entry.carrierId)
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for (key, value) in apn_element.attributes.items():
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f.write(' {}={}\n'.format(escape(key), quoteattr(value)))
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f.write(' />\n\n')
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carrier_config_element = ET.SubElement(
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carrier_config_root,
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'carrier_config',
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)
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carrier_config_element.set('mcc', entry.carrierId.mccMnc[:3])
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carrier_config_element.set('mnc', entry.carrierId.mccMnc[3:])
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for field in ['spn', 'imsi', 'gid1', 'gid2']:
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if entry.carrierId.HasField(field):
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carrier_config_element.set(
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field,
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getattr(entry.carrierId, field),
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)
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# Add version key composed of canonical name and versions
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carrier_config_subelement = ET.SubElement(
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carrier_config_element,
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'string'
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)
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carrier_config_subelement.set('name', 'carrier_config_version_string')
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carrier_config_subelement.text = '{}-{}.{}'.format(
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setting.canonicalName,
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setting.version,
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version_suffix
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)
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for config in setting.configs.config:
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value_type = config.WhichOneof('value')
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if value_type == 'textValue':
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carrier_config_subelement = ET.SubElement(
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carrier_config_element,
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'string',
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)
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carrier_config_subelement.set('name', config.key)
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carrier_config_subelement.text = getattr(config, value_type)
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elif value_type == 'intValue':
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carrier_config_subelement = ET.SubElement(
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carrier_config_element,
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'int',
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)
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carrier_config_subelement.set('name', config.key)
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carrier_config_subelement.set(
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'value',
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str(getattr(config, value_type)),
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)
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elif value_type == 'longValue':
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carrier_config_subelement = ET.SubElement(
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carrier_config_element,
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'long',
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)
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carrier_config_subelement.set('name', config.key)
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carrier_config_subelement.set(
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'value',
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str(getattr(config, value_type)),
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)
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elif value_type == 'boolValue':
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carrier_config_subelement = ET.SubElement(
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carrier_config_element,
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'boolean',
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)
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carrier_config_subelement.set('name', config.key)
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carrier_config_subelement.set(
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'value',
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str(getattr(config, value_type)).lower(),
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)
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elif value_type == 'textArray':
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carrier_config_subelement = ET.SubElement(
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carrier_config_element,
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'string-array',
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)
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carrier_config_subelement.set('name', config.key)
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carrier_config_subelement.set(
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'num',
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str(len(getattr(config, value_type).item)),
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)
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for value in getattr(config, value_type).item:
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carrier_config_item = ET.SubElement(
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carrier_config_subelement,
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'item',
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)
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carrier_config_item.set('value', value)
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elif value_type == 'intArray':
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carrier_config_subelement = ET.SubElement(
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carrier_config_element,
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'int-array',
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)
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carrier_config_subelement.set('name', config.key)
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carrier_config_subelement.set(
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'num',
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str(len(getattr(config, value_type).item)),
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)
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for value in getattr(config, value_type).item:
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carrier_config_item = ET.SubElement(
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carrier_config_subelement,
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'item',
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)
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carrier_config_item.set('value', str(value))
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else:
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raise TypeError("Unknown value type: {}".format(value_type))
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f.write('</apns>\n')
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indent(carrier_config_root)
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carrier_config_tree = ET.ElementTree(carrier_config_root)
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carrier_config_tree.write('vendor.xml', encoding='utf-8', xml_declaration=True)
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# Test XML parsing.
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ET.parse('apns-full-conf.xml')
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ET.parse('vendor.xml')
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