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MarlinFirmware/buildroot/share/PlatformIO/scripts/common-dependencies.py
2020-08-21 02:49:05 -05:00

282 lines
7.4 KiB
Python

#
# common-dependencies.py
# Convenience script to check dependencies and add libs and sources for Marlin Enabled Features
#
import subprocess
import os
import re
try:
import configparser
except ImportError:
import ConfigParser as configparser
try:
# PIO < 4.4
from platformio.managers.package import PackageManager
except ImportError:
# PIO >= 4.4
from platformio.package.meta import PackageSpec as PackageManager
Import("env")
#print(env.Dump())
try:
verbose = int(env.GetProjectOption('custom_verbose'))
except:
verbose = 0
def blab(str):
if verbose:
print(str)
def parse_pkg_uri(spec):
if PackageManager.__name__ == 'PackageSpec':
return PackageManager(spec).name
else:
name, _, _ = PackageManager.parse_pkg_uri(spec)
return name
FEATURE_CONFIG = {}
def add_to_feat_cnf(feature, flines):
feat = FEATURE_CONFIG[feature]
atoms = re.sub(',\\s*', '\n', flines).strip().split('\n')
for dep in atoms:
parts = dep.split('=')
name = parts.pop(0)
rest = '='.join(parts)
if name in ['extra_scripts', 'src_filter', 'lib_ignore']:
feat[name] = rest
else:
feat['lib_deps'] += [dep]
def load_config():
config = configparser.ConfigParser()
config.read("platformio.ini")
items = config.items('features')
for key in items:
feature = key[0].upper()
if not feature in FEATURE_CONFIG:
FEATURE_CONFIG[feature] = { 'lib_deps': [] }
add_to_feat_cnf(feature, key[1])
# Add options matching custom_marlin.MY_OPTION to the pile
all_opts = env.GetProjectOptions()
for n in all_opts:
mat = re.match(r'custom_marlin\.(.+)', n[0])
if mat:
try:
val = env.GetProjectOption(n[0])
except:
val = None
if val:
add_to_feat_cnf(mat.group(1).upper(), val)
def get_all_known_libs():
known_libs = []
for feature in FEATURE_CONFIG:
feat = FEATURE_CONFIG[feature]
if not 'lib_deps' in feat:
continue
for dep in feat['lib_deps']:
name = parse_pkg_uri(dep)
known_libs.append(name)
return known_libs
def get_all_env_libs():
env_libs = []
lib_deps = env.GetProjectOption('lib_deps')
for dep in lib_deps:
name = parse_pkg_uri(dep)
env_libs.append(name)
return env_libs
def set_env_field(field, value):
proj = env.GetProjectConfig()
proj.set("env:" + env['PIOENV'], field, value)
# All unused libs should be ignored so that if a library
# exists in .pio/lib_deps it will not break compilation.
def force_ignore_unused_libs():
env_libs = get_all_env_libs()
known_libs = get_all_known_libs()
diff = (list(set(known_libs) - set(env_libs)))
lib_ignore = env.GetProjectOption('lib_ignore') + diff
if verbose:
print("Ignore libraries:", lib_ignore)
set_env_field('lib_ignore', lib_ignore)
def apply_features_config():
load_config()
for feature in FEATURE_CONFIG:
if not env.MarlinFeatureIsEnabled(feature):
continue
feat = FEATURE_CONFIG[feature]
if 'lib_deps' in feat and len(feat['lib_deps']):
blab("Adding lib_deps for %s... " % feature)
# feat to add
deps_to_add = {}
for dep in feat['lib_deps']:
name = parse_pkg_uri(dep)
deps_to_add[name] = dep
# Does the env already have the dependency?
deps = env.GetProjectOption('lib_deps')
for dep in deps:
name = parse_pkg_uri(dep)
if name in deps_to_add:
del deps_to_add[name]
# Are there any libraries that should be ignored?
lib_ignore = env.GetProjectOption('lib_ignore')
for dep in deps:
name = parse_pkg_uri(dep)
if name in deps_to_add:
del deps_to_add[name]
# Is there anything left?
if len(deps_to_add) > 0:
# Only add the missing dependencies
set_env_field('lib_deps', deps + list(deps_to_add.values()))
if 'extra_scripts' in feat:
blab("Running extra_scripts for %s... " % feature)
env.SConscript(feat['extra_scripts'], exports="env")
if 'src_filter' in feat:
blab("Adding src_filter for %s... " % feature)
src_filter = ' '.join(env.GetProjectOption('src_filter'))
# first we need to remove the references to the same folder
my_srcs = re.findall( r'[+-](<.*?>)', feat['src_filter'])
cur_srcs = re.findall( r'[+-](<.*?>)', src_filter)
for d in my_srcs:
if d in cur_srcs:
src_filter = re.sub(r'[+-]' + d, '', src_filter)
src_filter = feat['src_filter'] + ' ' + src_filter
set_env_field('src_filter', [src_filter])
env.Replace(SRC_FILTER=src_filter)
if 'lib_ignore' in feat:
blab("Adding lib_ignore for %s... " % feature)
lib_ignore = env.GetProjectOption('lib_ignore') + [feat['lib_ignore']]
set_env_field('lib_ignore', lib_ignore)
#
# Find a compiler, considering the OS
#
ENV_BUILD_PATH = os.path.join(env.Dictionary('PROJECT_BUILD_DIR'), env['PIOENV'])
GCC_PATH_CACHE = os.path.join(ENV_BUILD_PATH, ".gcc_path")
def search_compiler():
try:
filepath = env.GetProjectOption('custom_gcc')
blab('Getting compiler from env')
return filepath
except:
pass
if os.path.exists(GCC_PATH_CACHE):
blab('Getting g++ path from cache')
with open(GCC_PATH_CACHE, 'r') as f:
return f.read()
# Find the current platform compiler by searching the $PATH
# which will be in a platformio toolchain bin folder
path_regex = re.escape(env['PROJECT_PACKAGES_DIR'])
gcc = "g++"
if env['PLATFORM'] == 'win32':
path_separator = ';'
path_regex += r'.*\\bin'
gcc += ".exe"
else:
path_separator = ':'
path_regex += r'/.+/bin'
# Search for the compiler
for pathdir in env['ENV']['PATH'].split(path_separator):
if not re.search(path_regex, pathdir, re.IGNORECASE):
continue
for filepath in os.listdir(pathdir):
if not filepath.endswith(gcc):
continue
# Cache the g++ path to no search always
if os.path.exists(ENV_BUILD_PATH):
blab('Caching g++ for current env')
with open(GCC_PATH_CACHE, 'w+') as f:
f.write(filepath)
return filepath
filepath = env.get('CXX')
blab("Couldn't find a compiler! Fallback to %s" % filepath)
return filepath
#
# Use the compiler to get a list of all enabled features
#
def load_marlin_features():
if 'MARLIN_FEATURES' in env:
return
# Process defines
build_flags = env.get('BUILD_FLAGS')
build_flags = env.ParseFlagsExtended(build_flags)
cxx = search_compiler()
cmd = [cxx]
# Build flags from board.json
#if 'BOARD' in env:
# cmd += [env.BoardConfig().get("build.extra_flags")]
for s in build_flags['CPPDEFINES']:
if isinstance(s, tuple):
cmd += ['-D' + s[0] + '=' + str(s[1])]
else:
cmd += ['-D' + s]
cmd += ['-w -dM -E -x c++ buildroot/share/PlatformIO/scripts/common-dependencies.h']
cmd = ' '.join(cmd)
blab(cmd)
define_list = subprocess.check_output(cmd, shell=True).splitlines()
marlin_features = {}
for define in define_list:
feature = define[8:].strip().decode().split(' ')
feature, definition = feature[0], ' '.join(feature[1:])
marlin_features[feature] = definition
env['MARLIN_FEATURES'] = marlin_features
#
# Return True if a matching feature is enabled
#
def MarlinFeatureIsEnabled(env, feature):
load_marlin_features()
r = re.compile('^' + feature + '$')
found = list(filter(r.match, env['MARLIN_FEATURES']))
# Defines could still be 'false' or '0', so check
some_on = False
if len(found):
for f in found:
val = env['MARLIN_FEATURES'][f]
if val in [ '', '1', 'true' ]:
some_on = True
elif val in env['MARLIN_FEATURES']:
some_on = env.MarlinFeatureIsEnabled(val)
return some_on
#
# Add a method for other PIO scripts to query enabled features
#
env.AddMethod(MarlinFeatureIsEnabled)
#
# Add dependencies for enabled Marlin features
#
apply_features_config()
force_ignore_unused_libs()