Files
ardupilot/Tools/scripts/build_script_base.py
2026-03-23 08:14:01 +11:00

298 lines
11 KiB
Python

'''
Base class for ArduPilot build scripts providing common utilities
AP_FLAKE8_CLEAN
'''
from __future__ import annotations
import os
import pathlib
import re
import string
import subprocess
import sys
import time
import board_list
# map from vehicle names to binary names
VEHICLE_MAP = {
"rover" : "ardurover",
"copter" : "arducopter",
"plane" : "arduplane",
"sub" : "ardusub",
"heli" : "arducopter-heli",
"blimp" : "blimp",
"antennatracker" : "antennatracker",
"AP_Periph" : "AP_Periph",
"bootloader" : "AP_Bootloader",
"iofirmware" : "iofirmware_highpolh", # FIXME: lowpolh?
}
class BuildScriptBase:
"""Base class for build scripts with common utilities for running programs"""
def __init__(self):
self.tmpdir = None # Can be set by subclasses that need it
def run_program(self, prefix, cmd_list, show_output=True, env=None, show_output_on_error=True, show_command=None, cwd="."):
if show_command is None:
show_command = True
cmd = " ".join(cmd_list)
if cwd is None:
cwd = "."
command_debug = f"Running ({cmd}) in ({cwd})"
process_failure_content = command_debug + "\n"
if show_command:
self.progress(command_debug)
p = subprocess.Popen(
cmd_list,
stdin=None,
stdout=subprocess.PIPE,
close_fds=True,
stderr=subprocess.STDOUT,
cwd=cwd,
env=env)
output = ""
while True:
x = p.stdout.readline()
if len(x) == 0:
returncode = os.waitpid(p.pid, 0)
if returncode:
break
# select not available on Windows... probably...
time.sleep(0.1)
continue
x = bytearray(x)
x = filter(lambda x : chr(x) in string.printable, x)
x = "".join([chr(c) for c in x])
output += x
process_failure_content += x
x = x.rstrip()
some_output = "%s: %s" % (prefix, x)
if show_output:
print(some_output)
(_, status) = returncode
if status != 0:
if not show_output and show_output_on_error:
# we were told not to show output, but we just
# failed... so show output...
print(output)
self.progress("Process failed (%s)" %
str(returncode))
try:
path = pathlib.Path(self.tmpdir, f"process-failure-{int(time.time())}")
path.write_text(process_failure_content)
self.progress("Wrote process failure file (%s)" % path)
except Exception: # noqa: BLE001 — best-effort debug-file write
self.progress("Writing process failure file failed")
raise subprocess.CalledProcessError(
returncode, cmd_list)
return output
def find_current_git_branch_or_sha1(self):
try:
output = self.run_git(["symbolic-ref", "--short", "HEAD"])
output = output.strip()
return output
except subprocess.CalledProcessError:
pass
# probably in a detached-head state. Get a sha1 instead:
output = self.run_git(["rev-parse", "--short", "HEAD"])
output = output.strip()
return output
def find_git_branch_merge_base(self, branch, master_branch):
output = self.run_git(["merge-base", branch, master_branch])
output = output.strip()
return output
def run_git(self, args, show_output=True, source_dir=None):
'''run git with args git_args; returns git's output'''
cmd_list = ["git"]
cmd_list.extend(args)
return self.run_program("SCB-GIT", cmd_list, show_output=show_output, cwd=source_dir)
def run_waf(self, args, compiler=None, show_output=True, source_dir=None):
# try to modify the environment so we can consistent builds:
consistent_build_envs = {
"CHIBIOS_GIT_VERSION": "12345678",
"GIT_VERSION": "abcdef",
"GIT_VERSION_EXTENDED": "0123456789abcdef",
"GIT_VERSION_INT": "15",
}
for (n, v) in consistent_build_envs.items():
os.environ[n] = v
if os.path.exists("waf"):
waf = "./waf"
else:
waf = os.path.join(".", "modules", "waf", "waf-light")
cmd_list = [waf]
cmd_list.extend(args)
env = None
if compiler is not None:
# default to $HOME/arm-gcc, but allow for any path with AP_GCC_HOME environment variable
gcc_home = os.environ.get("AP_GCC_HOME", os.path.join(os.environ["HOME"], "arm-gcc"))
gcc_path = os.path.join(gcc_home, compiler, "bin")
if os.path.exists(gcc_path):
# setup PATH to point at the right compiler, and setup to use ccache
env = os.environ.copy()
env["PATH"] = gcc_path + ":" + env["PATH"]
env["CC"] = "ccache arm-none-eabi-gcc"
env["CXX"] = "ccache arm-none-eabi-g++"
else:
raise Exception("BB-WAF: Missing compiler %s" % gcc_path)
self.run_program("SCB-WAF", cmd_list, env=env, show_output=show_output, cwd=source_dir)
def get_modified_hwdef_paths(self, branch, master_branch, use_merge_base=True):
'''returns set of hwdef filepaths modified between branch and
master, relative to the repository root'''
if use_merge_base:
base_commit = self.find_git_branch_merge_base(branch, master_branch)
else:
base_commit = master_branch
delta_files = self.run_git([
'diff',
'--name-only',
base_commit,
branch,
], show_output=False)
ret = set()
for f in delta_files.split("\n"):
f = f.strip()
if not f:
continue
if "/hwdef/" not in f:
continue
if not f.endswith(("hwdef.dat", "hwdef.inc", "hwdef-bl.dat", "hwdef-bl.inc")):
continue
ret.add(f)
return ret
def collect_hwdef_includes(self, filepath, seen=None):
'''recursively collect all hwdef file paths included from filepath'''
if seen is None:
seen = set()
filepath = os.path.realpath(filepath)
if filepath in seen:
return set()
seen.add(filepath)
paths = {filepath}
try:
with open(filepath) as fh:
for line in fh:
m = re.match(r"^\s*include\s+(.+)\s*$", line)
if m is not None:
inc_path = os.path.join(os.path.dirname(filepath), m.group(1))
paths.update(self.collect_hwdef_includes(inc_path, seen))
except FileNotFoundError:
pass
return paths
def find_modified_boards(self, branch, master_branch, use_merge_base=True):
'''find boards whose hwdef files have been modified between
branch and master'''
modified_paths = self.get_modified_hwdef_paths(
branch, master_branch, use_merge_base)
if not modified_paths:
return []
for p in modified_paths:
self.progress("Modified hwdef: %s" % p)
# convert to absolute paths for comparison
modified_abs = set()
for p in modified_paths:
modified_abs.add(os.path.realpath(p))
bl = board_list.BoardList()
modified_board_names = []
for board_obj in bl.boards:
for hwdef_dir in bl.hwdef_dir:
hwdef_path = os.path.join(hwdef_dir, board_obj.name, "hwdef.dat")
if not os.path.exists(hwdef_path):
continue
includes = self.collect_hwdef_includes(hwdef_path)
hwdef_bl_path = os.path.join(hwdef_dir, board_obj.name, "hwdef-bl.dat")
if os.path.exists(hwdef_bl_path):
includes.update(self.collect_hwdef_includes(hwdef_bl_path))
if includes & modified_abs:
modified_board_names.append(board_obj.name)
self.progress("Board %s uses modified hwdef" % board_obj.name)
break
return sorted(modified_board_names, key=lambda x: x.lower())
def progress(self, string):
'''pretty-print progress'''
print(f"{self.progress_prefix()}: {string}", file=sys.stderr)
def size_for_elf(self, elf_path, toolchain="arm-none-eabi"):
'''run size on an ELF file and return parsed results dict.
Returns dict with keys: size_text, size_data, size_bss,
size_total, size_free_flash, ext_flash_used.
Uses parsing logic compatible with build_summary._parse_size_output.
'''
size_tool = f"{toolchain}-size"
# run `size <elf>`
size_output = self.run_program(
"SIZE", [size_tool, elf_path], show_output=False)
# run `size -A <elf>` for section details
size_a_output = self.run_program(
"SIZE", [size_tool, "-A", elf_path], show_output=False)
# parse size -A output for .crash_log, .heap, .extflash
crash_log_size = None
heap_size = 0
ext_flash_used = 0
for line in size_a_output.splitlines()[1:]:
if ".crash_log" in line:
row = line.strip().split()
crash_log_size = int(row[1])
if ".heap" in line:
row = line.strip().split()
heap_size = int(row[1])
if ".extflash" in line:
row = line.strip().split()
if int(row[1]) > 0:
ext_flash_used = int(row[1])
# parse standard size output
lines = size_output.splitlines()[1:]
# use first data line (non-TOTALS)
for line in lines:
row = line.strip().split()
if len(row) < 3:
continue
if crash_log_size is None:
size_bss = int(row[2])
size_free_flash = None
else:
size_bss = int(row[2]) - crash_log_size
size_free_flash = crash_log_size
size_bss -= heap_size
return dict(
size_text=int(row[0]),
size_data=int(row[1]),
size_bss=size_bss,
size_total=int(row[0]) + int(row[1]) - ext_flash_used,
size_free_flash=size_free_flash,
ext_flash_used=ext_flash_used if ext_flash_used else None,
)
raise ValueError(f"Could not parse size output for {elf_path}")