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linux/debian/lib/python/debian_linux/firmware.py

103 lines
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Python
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import re
class FirmwareFile(object):
def __init__(self, binary, desc=None, source=None, version=None) -> None:
self.binary = binary
self.desc = desc
self.source = source
self.version = version
class FirmwareGroup(object):
def __init__(self, driver, files, licence) -> None:
self.driver = driver
self.files = files
self.licence = licence
class FirmwareWhence(list):
def __init__(self, file) -> None:
self.read(file)
@staticmethod
def _unquote(name):
if len(name) >= 3 and name[0] == '"' and name[-1] == '"':
name = name[1:-1]
return name
def read(self, file) -> None:
in_header = True
driver = None
files = {}
licence = None
binary = []
desc = None
source = []
version = None
for line in file:
if line.startswith('----------'):
if in_header:
in_header = False
else:
# Finish old group
if driver and files:
self.append(FirmwareGroup(driver, files, licence))
driver = None
files = {}
licence = None
continue
if in_header:
continue
if line == '\n':
# End of field; end of file fields
for b in binary:
# XXX The WHENCE file isn't yet consistent in its
# association of binaries and their sources and
# metadata. This associates all sources and
# metadata in a group with each binary.
files[b] = FirmwareFile(b, desc, source, version)
binary = []
desc = None
source = []
version = None
continue
match = re.match(
r'(Driver|(?:Raw)?File|Info|Licen[cs]e|Source|Version'
r'|Original licen[cs]e info(?:rmation)?):\s*(.*)\n',
line)
if match:
# If we've seen a license for the previous group,
# start a new group
if licence:
self.append(FirmwareGroup(driver, files, licence))
files = {}
licence = None
keyword, value = match.group(1, 2)
if keyword == 'Driver':
driver = value.split(' ')[0].lower()
elif keyword in ['File', 'RawFile']:
match = re.match(r'("[^"\n]+"|\S+)(?:\s+--\s+(.*))?', value)
binary.append(self._unquote(match.group(1)))
desc = match.group(2)
elif keyword in ['Info', 'Version']:
version = value
elif keyword == 'Source':
source.append(self._unquote(value))
else:
licence = value
elif licence is not None:
licence = (licence + '\n'
+ re.sub(r'^(?:[/ ]\*| \*/)?\s*(.*?)\s*$', r'\1',
line))
# Finish last group if non-empty
for b in binary:
files[b] = FirmwareFile(b, desc, source, version)
if driver:
self.append(FirmwareGroup(driver, files, licence))