mirror of
https://github.com/espressif/esp-idf.git
synced 2025-08-08 04:02:27 +00:00
style: format python files with isort and double-quote-string-fixer
This commit is contained in:
@@ -21,14 +21,15 @@
|
||||
# This file must be the first one in the archive. It contains binary structures describing each
|
||||
# subsequent file (for example, where the file needs to be flashed/loaded).
|
||||
|
||||
from collections import namedtuple
|
||||
from future.utils import iteritems
|
||||
import argparse
|
||||
import hashlib
|
||||
import json
|
||||
import os
|
||||
import struct
|
||||
import zlib
|
||||
from collections import namedtuple
|
||||
|
||||
from future.utils import iteritems
|
||||
|
||||
try:
|
||||
import typing
|
||||
@@ -43,28 +44,28 @@ except ImportError:
|
||||
pass
|
||||
|
||||
# CPIO ("new ASCII") format related things
|
||||
CPIO_MAGIC = b"070701"
|
||||
CPIO_STRUCT = b"=6s" + b"8s" * 13
|
||||
CPIO_MAGIC = b'070701'
|
||||
CPIO_STRUCT = b'=6s' + b'8s' * 13
|
||||
CPIOHeader = namedtuple(
|
||||
"CPIOHeader",
|
||||
'CPIOHeader',
|
||||
[
|
||||
"magic",
|
||||
"ino",
|
||||
"mode",
|
||||
"uid",
|
||||
"gid",
|
||||
"nlink",
|
||||
"mtime",
|
||||
"filesize",
|
||||
"devmajor",
|
||||
"devminor",
|
||||
"rdevmajor",
|
||||
"rdevminor",
|
||||
"namesize",
|
||||
"check",
|
||||
'magic',
|
||||
'ino',
|
||||
'mode',
|
||||
'uid',
|
||||
'gid',
|
||||
'nlink',
|
||||
'mtime',
|
||||
'filesize',
|
||||
'devmajor',
|
||||
'devminor',
|
||||
'rdevmajor',
|
||||
'rdevminor',
|
||||
'namesize',
|
||||
'check',
|
||||
],
|
||||
)
|
||||
CPIO_TRAILER = "TRAILER!!!"
|
||||
CPIO_TRAILER = 'TRAILER!!!'
|
||||
|
||||
|
||||
def make_cpio_header(
|
||||
@@ -73,7 +74,7 @@ def make_cpio_header(
|
||||
""" Returns CPIOHeader for the given file name and file size """
|
||||
|
||||
def as_hex(val): # type: (int) -> bytes
|
||||
return "{:08x}".format(val).encode("ascii")
|
||||
return '{:08x}'.format(val).encode('ascii')
|
||||
|
||||
hex_0 = as_hex(0)
|
||||
mode = hex_0 if is_trailer else as_hex(0o0100644)
|
||||
@@ -98,17 +99,17 @@ def make_cpio_header(
|
||||
|
||||
# DFU format related things
|
||||
# Structure of one entry in dfuinfo0.dat
|
||||
DFUINFO_STRUCT = b"<I I 64s 16s"
|
||||
DFUInfo = namedtuple("DFUInfo", ["address", "flags", "name", "md5"])
|
||||
DFUINFO_FILE = "dfuinfo0.dat"
|
||||
DFUINFO_STRUCT = b'<I I 64s 16s'
|
||||
DFUInfo = namedtuple('DFUInfo', ['address', 'flags', 'name', 'md5'])
|
||||
DFUINFO_FILE = 'dfuinfo0.dat'
|
||||
# Structure which gets added at the end of the entire DFU file
|
||||
DFUSUFFIX_STRUCT = b"<H H H H 3s B"
|
||||
DFUSUFFIX_STRUCT = b'<H H H H 3s B'
|
||||
DFUSuffix = namedtuple(
|
||||
"DFUSuffix", ["bcd_device", "pid", "vid", "bcd_dfu", "sig", "len"]
|
||||
'DFUSuffix', ['bcd_device', 'pid', 'vid', 'bcd_dfu', 'sig', 'len']
|
||||
)
|
||||
ESPRESSIF_VID = 12346
|
||||
# This CRC32 gets added after DFUSUFFIX_STRUCT
|
||||
DFUCRC_STRUCT = b"<I"
|
||||
DFUCRC_STRUCT = b'<I'
|
||||
|
||||
|
||||
def dfu_crc(data, crc=0): # type: (bytes, int) -> int
|
||||
@@ -117,7 +118,7 @@ def dfu_crc(data, crc=0): # type: (bytes, int) -> int
|
||||
return uint32_max - (zlib.crc32(data, crc) & uint32_max)
|
||||
|
||||
|
||||
def pad_bytes(b, multiple, padding=b"\x00"): # type: (bytes, int, bytes) -> bytes
|
||||
def pad_bytes(b, multiple, padding=b'\x00'): # type: (bytes, int, bytes) -> bytes
|
||||
""" Pad 'b' to a length divisible by 'multiple' """
|
||||
padded_len = (len(b) + multiple - 1) // multiple * multiple
|
||||
return b + padding * (padded_len - len(b))
|
||||
@@ -132,25 +133,25 @@ class EspDfuWriter(object):
|
||||
|
||||
def add_file(self, flash_addr, path): # type: (int, str) -> None
|
||||
""" Add file to be written into flash at given address """
|
||||
with open(path, "rb") as f:
|
||||
with open(path, 'rb') as f:
|
||||
self._add_cpio_flash_entry(os.path.basename(path), flash_addr, f.read())
|
||||
|
||||
def finish(self): # type: () -> None
|
||||
""" Write DFU file """
|
||||
# Prepare and add dfuinfo0.dat file
|
||||
dfuinfo = b"".join([struct.pack(DFUINFO_STRUCT, *item) for item in self.index])
|
||||
dfuinfo = b''.join([struct.pack(DFUINFO_STRUCT, *item) for item in self.index])
|
||||
self._add_cpio_entry(DFUINFO_FILE, dfuinfo, first=True)
|
||||
|
||||
# Add CPIO archive trailer
|
||||
self._add_cpio_entry(CPIO_TRAILER, b"", trailer=True)
|
||||
self._add_cpio_entry(CPIO_TRAILER, b'', trailer=True)
|
||||
|
||||
# Combine all the entries and pad the file
|
||||
out_data = b"".join(self.entries)
|
||||
out_data = b''.join(self.entries)
|
||||
cpio_block_size = 10240
|
||||
out_data = pad_bytes(out_data, cpio_block_size)
|
||||
|
||||
# Add DFU suffix and CRC
|
||||
dfu_suffix = DFUSuffix(0xFFFF, self.pid, ESPRESSIF_VID, 0x0100, b"UFD", 16)
|
||||
dfu_suffix = DFUSuffix(0xFFFF, self.pid, ESPRESSIF_VID, 0x0100, b'UFD', 16)
|
||||
out_data += struct.pack(DFUSUFFIX_STRUCT, *dfu_suffix)
|
||||
out_data += struct.pack(DFUCRC_STRUCT, dfu_crc(out_data))
|
||||
|
||||
@@ -166,7 +167,7 @@ class EspDfuWriter(object):
|
||||
DFUInfo(
|
||||
address=flash_addr,
|
||||
flags=0,
|
||||
name=filename.encode("utf-8"),
|
||||
name=filename.encode('utf-8'),
|
||||
md5=md5.digest(),
|
||||
)
|
||||
)
|
||||
@@ -175,7 +176,7 @@ class EspDfuWriter(object):
|
||||
def _add_cpio_entry(
|
||||
self, filename, data, first=False, trailer=False
|
||||
): # type: (str, bytes, bool, bool) -> None
|
||||
filename_b = filename.encode("utf-8") + b"\x00"
|
||||
filename_b = filename.encode('utf-8') + b'\x00'
|
||||
cpio_header = make_cpio_header(len(filename_b), len(data), is_trailer=trailer)
|
||||
entry = pad_bytes(
|
||||
struct.pack(CPIO_STRUCT, *cpio_header) + filename_b, 4
|
||||
@@ -199,21 +200,21 @@ def main():
|
||||
parser = argparse.ArgumentParser()
|
||||
|
||||
# Provision to add "info" command
|
||||
subparsers = parser.add_subparsers(dest="command")
|
||||
write_parser = subparsers.add_parser("write")
|
||||
write_parser.add_argument("-o", "--output-file",
|
||||
subparsers = parser.add_subparsers(dest='command')
|
||||
write_parser = subparsers.add_parser('write')
|
||||
write_parser.add_argument('-o', '--output-file',
|
||||
help='Filename for storing the output DFU image',
|
||||
required=True,
|
||||
type=argparse.FileType("wb"))
|
||||
write_parser.add_argument("--pid",
|
||||
type=argparse.FileType('wb'))
|
||||
write_parser.add_argument('--pid',
|
||||
required=True,
|
||||
type=lambda h: int(h, 16),
|
||||
help='Hexa-decimal product indentificator')
|
||||
write_parser.add_argument("--json",
|
||||
write_parser.add_argument('--json',
|
||||
help='Optional file for loading "flash_files" dictionary with <address> <file> items')
|
||||
write_parser.add_argument("files",
|
||||
metavar="<address> <file>", help='Add <file> at <address>',
|
||||
nargs="*")
|
||||
write_parser.add_argument('files',
|
||||
metavar='<address> <file>', help='Add <file> at <address>',
|
||||
nargs='*')
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
@@ -252,5 +253,5 @@ def main():
|
||||
}[args.command](cmd_args)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
|
Reference in New Issue
Block a user