esphome/script/helpers.py

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import codecs
import json
import os.path
import re
import subprocess
import sys
root_path = os.path.abspath(os.path.normpath(os.path.join(__file__, '..', '..')))
basepath = os.path.join(root_path, 'esphome')
temp_header_file = os.path.join(root_path, '.temp-clang-tidy.cpp')
def shlex_quote(s):
if not s:
return u"''"
if re.search(r'[^\w@%+=:,./-]', s) is None:
return s
return u"'" + s.replace(u"'", u"'\"'\"'") + u"'"
def build_all_include():
# Build a cpp file that includes all header files in this repo.
# Otherwise header-only integrations would not be tested by clang-tidy
headers = []
for path in walk_files(basepath):
filetypes = ('.h',)
ext = os.path.splitext(path)[1]
if ext in filetypes:
path = os.path.relpath(path, root_path)
include_p = path.replace(os.path.sep, '/')
headers.append('#include "{}"'.format(include_p))
headers.sort()
headers.append('')
content = '\n'.join(headers)
with codecs.open(temp_header_file, 'w', encoding='utf-8') as f:
f.write(content)
def build_compile_commands():
gcc_flags_json = os.path.join(root_path, '.gcc-flags.json')
if not os.path.isfile(gcc_flags_json):
print("Could not find {} file which is required for clang-tidy.")
print('Please run "pio init --ide atom" in the root esphome folder to generate that file.')
sys.exit(1)
with codecs.open(gcc_flags_json, 'r', encoding='utf-8') as f:
gcc_flags = json.load(f)
exec_path = gcc_flags['execPath']
include_paths = gcc_flags['gccIncludePaths'].split(',')
includes = ['-I{}'.format(p) for p in include_paths]
cpp_flags = gcc_flags['gccDefaultCppFlags'].split(' ')
defines = [flag for flag in cpp_flags if flag.startswith('-D')]
command = [exec_path]
command.extend(includes)
command.extend(defines)
command.append('-std=gnu++11')
command.append('-Wall')
command.append('-Wno-delete-non-virtual-dtor')
command.append('-Wno-unused-variable')
command.append('-Wunreachable-code')
source_files = []
for path in walk_files(basepath):
filetypes = ('.cpp',)
ext = os.path.splitext(path)[1]
if ext in filetypes:
source_files.append(os.path.abspath(path))
source_files.append(temp_header_file)
source_files.sort()
compile_commands = [{
'directory': root_path,
'command': ' '.join(shlex_quote(x) for x in (command + ['-o', p + '.o', '-c', p])),
'file': p
} for p in source_files]
compile_commands_json = os.path.join(root_path, 'compile_commands.json')
if os.path.isfile(compile_commands_json):
with codecs.open(compile_commands_json, 'r', encoding='utf-8') as f:
try:
if json.load(f) == compile_commands:
return
except:
pass
with codecs.open(compile_commands_json, 'w', encoding='utf-8') as f:
json.dump(compile_commands, f, indent=2)
def walk_files(path):
for root, _, files in os.walk(path):
for name in files:
yield os.path.join(root, name)
def get_output(*args):
proc = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
output, err = proc.communicate()
return output.decode('utf-8')
def splitlines_no_ends(string):
return [s.strip() for s in string.splitlines()]
def changed_files():
for remote in ('upstream', 'origin'):
command = ['git', 'merge-base', '{}/dev'.format(remote), 'HEAD']
try:
merge_base = splitlines_no_ends(get_output(*command))[0]
break
except:
pass
else:
raise ValueError("Git not configured")
command = ['git', 'diff', merge_base, '--name-only']
changed = splitlines_no_ends(get_output(*command))
changed = [os.path.relpath(f, os.getcwd()) for f in changed]
changed.sort()
return changed
def filter_changed(files):
changed = changed_files()
files = [f for f in files if f in changed]
print("Changed files:")
if not files:
print(" No changed files!")
for c in files:
print(" {}".format(c))
return files