[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
This commit is contained in:
pre-commit-ci[bot] 2024-04-13 00:00:18 +00:00
parent 72ad6dc953
commit f4cd1ba0d6
813 changed files with 66015 additions and 58839 deletions

View file

@ -7,11 +7,14 @@ interface to ``ZipFile``. Only the read interface is implemented.
Based on: https://gist.github.com/lyssdod/f51579ae8d93c8657a5564aefc2ffbca
ELF header: https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.eheader.html
"""
from __future__ import annotations
import enum
import os
import struct
from typing import IO, Optional, Tuple
from typing import IO
from typing import Optional
from typing import Tuple
class ELFInvalid(ValueError):
@ -45,12 +48,12 @@ class ELFFile:
self._f = f
try:
ident = self._read("16B")
ident = self._read('16B')
except struct.error:
raise ELFInvalid("unable to parse identification")
raise ELFInvalid('unable to parse identification')
magic = bytes(ident[:4])
if magic != b"\x7fELF":
raise ELFInvalid(f"invalid magic: {magic!r}")
if magic != b'\x7fELF':
raise ELFInvalid(f'invalid magic: {magic!r}')
self.capacity = ident[4] # Format for program header (bitness).
self.encoding = ident[5] # Data structure encoding (endianness).
@ -60,15 +63,15 @@ class ELFFile:
# p_fmt: Format for section header.
# p_idx: Indexes to find p_type, p_offset, and p_filesz.
e_fmt, self._p_fmt, self._p_idx = {
(1, 1): ("<HHIIIIIHHH", "<IIIIIIII", (0, 1, 4)), # 32-bit LSB.
(1, 2): (">HHIIIIIHHH", ">IIIIIIII", (0, 1, 4)), # 32-bit MSB.
(2, 1): ("<HHIQQQIHHH", "<IIQQQQQQ", (0, 2, 5)), # 64-bit LSB.
(2, 2): (">HHIQQQIHHH", ">IIQQQQQQ", (0, 2, 5)), # 64-bit MSB.
(1, 1): ('<HHIIIIIHHH', '<IIIIIIII', (0, 1, 4)), # 32-bit LSB.
(1, 2): ('>HHIIIIIHHH', '>IIIIIIII', (0, 1, 4)), # 32-bit MSB.
(2, 1): ('<HHIQQQIHHH', '<IIQQQQQQ', (0, 2, 5)), # 64-bit LSB.
(2, 2): ('>HHIQQQIHHH', '>IIQQQQQQ', (0, 2, 5)), # 64-bit MSB.
}[(self.capacity, self.encoding)]
except KeyError:
raise ELFInvalid(
f"unrecognized capacity ({self.capacity}) or "
f"encoding ({self.encoding})"
f'unrecognized capacity ({self.capacity}) or '
f'encoding ({self.encoding})',
)
try:
@ -85,13 +88,13 @@ class ELFFile:
self._e_phnum, # Number of sections.
) = self._read(e_fmt)
except struct.error as e:
raise ELFInvalid("unable to parse machine and section information") from e
raise ELFInvalid('unable to parse machine and section information') from e
def _read(self, fmt: str) -> Tuple[int, ...]:
def _read(self, fmt: str) -> tuple[int, ...]:
return struct.unpack(fmt, self._f.read(struct.calcsize(fmt)))
@property
def interpreter(self) -> Optional[str]:
def interpreter(self) -> str | None:
"""
The path recorded in the ``PT_INTERP`` section header.
"""
@ -104,5 +107,5 @@ class ELFFile:
if data[self._p_idx[0]] != 3: # Not PT_INTERP.
continue
self._f.seek(data[self._p_idx[1]])
return os.fsdecode(self._f.read(data[self._p_idx[2]])).strip("\0")
return os.fsdecode(self._f.read(data[self._p_idx[2]])).strip('\0')
return None