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Fix byte parser (#1981)

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Pascal Vizeli 2020-08-27 14:31:34 +02:00 committed by GitHub
parent 805c0385a0
commit 6db4c60f47
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2 changed files with 53 additions and 1 deletions
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7
supervisor/utils/gdbus.py
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@ -31,6 +31,7 @@ RE_GVARIANT_STRING_ESC: re.Pattern[Any] = re.compile(
RE_GVARIANT_STRING: re.Pattern[Any] = re.compile(
r"(?<=(?: |{|\[|\(|<))'(.*?)'(?=(?:|]|}|,|\)|>))"
)
RE_GVARIANT_BINARY: re.Pattern[Any] = re.compile(r"<\[byte (.*?)\]>")
RE_GVARIANT_TUPLE_O: re.Pattern[Any] = re.compile(r"\"[^\"\\]*(?:\\.[^\"\\]*)*\"|(\()")
RE_GVARIANT_TUPLE_C: re.Pattern[Any] = re.compile(
r"\"[^\"\\]*(?:\\.[^\"\\]*)*\"|(,?\))"
@ -111,8 +112,12 @@ class DBus:
def parse_gvariant(raw: str) -> Any:
"""Parse GVariant input to python."""
# Process first string
json_raw = RE_GVARIANT_BINARY.sub(
lambda x: f"<'{bytes([int(char, 0) for char in x.group(1).split(', ')]).decode()}'>",
raw,
)
json_raw = RE_GVARIANT_STRING_ESC.sub(
lambda x: x.group(0).replace('"', '\\"'), raw
lambda x: x.group(0).replace('"', '\\"'), json_raw
)
json_raw = RE_GVARIANT_STRING.sub(r'"\1"', json_raw)

47
tests/utils/test_gvariant_parser.py
View File

@ -310,3 +310,50 @@ def test_networkmanager_dns_properties_empty():
data = DBus.parse_gvariant(raw)
assert data == [{"Mode": "default", "RcManager": "resolvconf", "Configuration": []}]
def test_networkmanager_binary_data():
"""Test NetworkManager Binary datastrings."""
raw = "({'802-11-wireless': {'mac-address-blacklist': <@as []>, 'mode': <'infrastructure'>, 'security': <'802-11-wireless-security'>, 'seen-bssids': <['7C:2E:BD:98:1B:06']>, 'ssid': <[byte 0x4e, 0x45, 0x54, 0x54]>}, 'connection': {'id': <'NETT'>, 'interface-name': <'wlan0'>, 'permissions': <@as []>, 'timestamp': <uint64 1598526799>, 'type': <'802-11-wireless'>, 'uuid': <'13f9af79-a6e9-4e07-9353-165ad57bf1a8'>}, 'ipv6': {'address-data': <@aa{sv} []>, 'addresses': <@a(ayuay) []>, 'dns': <@aay []>, 'dns-search': <@as []>, 'method': <'auto'>, 'route-data': <@aa{sv} []>, 'routes': <@a(ayuayu) []>}, '802-11-wireless-security': {'auth-alg': <'open'>, 'key-mgmt': <'wpa-psk'>}, 'ipv4': {'address-data': <@aa{sv} []>, 'addresses': <@aau []>, 'dns': <@au []>, 'dns-search': <@as []>, 'method': <'auto'>, 'route-data': <@aa{sv} []>, 'routes': <@aau []>}, 'proxy': {}},)"
data = DBus.parse_gvariant(raw)
assert data == [
{
"802-11-wireless": {
"mac-address-blacklist": [],
"mode": "infrastructure",
"security": "802-11-wireless-security",
"seen-bssids": ["7C:2E:BD:98:1B:06"],
"ssid": "NETT",
},
"connection": {
"id": "NETT",
"interface-name": "wlan0",
"permissions": [],
"timestamp": 1598526799,
"type": "802-11-wireless",
"uuid": "13f9af79-a6e9-4e07-9353-165ad57bf1a8",
},
"ipv6": {
"address-data": [],
"addresses": [],
"dns": [],
"dns-search": [],
"method": "auto",
"route-data": [],
"routes": [],
},
"802-11-wireless-security": {"auth-alg": "open", "key-mgmt": "wpa-psk"},
"ipv4": {
"address-data": [],
"addresses": [],
"dns": [],
"dns-search": [],
"method": "auto",
"route-data": [],
"routes": [],
},
"proxy": {},
}
]