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