Files
platformio-core/platformio/project/config.py
2019-05-30 16:38:04 +03:00

293 lines
10 KiB
Python

# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import glob
import json
import os
import re
from os.path import isfile
import click
from platformio import exception
from platformio.project.options import ProjectOptions
try:
import ConfigParser as ConfigParser
except ImportError:
import configparser as ConfigParser
CONFIG_HEADER = """;PlatformIO Project Configuration File
;
; Build options: build flags, source filter
; Upload options: custom upload port, speed and extra flags
; Library options: dependencies, extra library storages
; Advanced options: extra scripting
;
; Please visit documentation for the other options and examples
; https://docs.platformio.org/page/projectconf.html
"""
class ProjectConfig(object):
VARTPL_RE = re.compile(r"\$\{([^\.\}]+)\.([^\}]+)\}")
expand_interpolations = True
_instances = {}
_parser = None
_parsed = []
@staticmethod
def parse_multi_values(items):
result = []
if not items:
return result
inline_comment_re = re.compile(r"\s+;.*$")
for item in items.split("\n" if "\n" in items else ", "):
item = item.strip()
# comment
if not item or item.startswith((";", "#")):
continue
if ";" in item:
item = inline_comment_re.sub("", item).strip()
result.append(item)
return result
@staticmethod
def get_instance(path):
if path not in ProjectConfig._instances:
ProjectConfig._instances[path] = ProjectConfig(path)
return ProjectConfig._instances[path]
@staticmethod
def reset_instances():
ProjectConfig._instances = {}
def __init__(self, path, parse_extra=True, expand_interpolations=True):
self.path = path
self.expand_interpolations = expand_interpolations
self._parsed = []
self._parser = ConfigParser.ConfigParser()
if isfile(path):
self.read(path, parse_extra)
def __getattr__(self, name):
return getattr(self._parser, name)
def read(self, path, parse_extra=True):
if path in self._parsed:
return
self._parsed.append(path)
try:
self._parser.read(path)
except ConfigParser.Error as e:
raise exception.InvalidProjectConf(path, str(e))
if not parse_extra:
return
# load extra configs
for pattern in self.get("platformio", "extra_configs", []):
for item in glob.glob(pattern):
self.read(item)
def options(self, section=None, env=None):
assert section or env
if not section:
section = "env:" + env
options = self._parser.options(section)
# handle global options from [env]
if ((env or section.startswith("env:"))
and self._parser.has_section("env")):
for option in self._parser.options("env"):
if option not in options:
options.append(option)
# handle system environment variables
scope = section.split(":", 1)[0]
for option_meta in ProjectOptions.values():
if option_meta.scope != scope or option_meta.name in options:
continue
if option_meta.sysenvvar and option_meta.sysenvvar in os.environ:
options.append(option_meta.name)
return options
def has_option(self, section, option):
if self._parser.has_option(section, option):
return True
return (section.startswith("env:") and self._parser.has_section("env")
and self._parser.has_option("env", option))
def items(self, section=None, env=None, as_dict=False):
assert section or env
if not section:
section = "env:" + env
if as_dict:
return {
option: self.get(section, option)
for option in self.options(section)
}
return [(option, self.get(section, option))
for option in self.options(section)]
def set(self, section, option, value):
if isinstance(value, (list, tuple)):
value = "\n".join(value)
if value:
value = "\n" + value # start from a new line
self._parser.set(section, option, value)
def getraw(self, section, option):
if not self.expand_interpolations:
return self._parser.get(section, option)
try:
value = self._parser.get(section, option)
except ConfigParser.NoOptionError as e:
if not section.startswith("env:"):
raise e
value = self._parser.get("env", option)
if "${" not in value or "}" not in value:
return value
return self.VARTPL_RE.sub(self._re_interpolation_handler, value)
def _re_interpolation_handler(self, match):
section, option = match.group(1), match.group(2)
if section == "sysenv":
return os.getenv(option)
return self.getraw(section, option)
def get(self, section, option, default=None):
value = default
try:
value = self.getraw(section, option)
except (ConfigParser.NoSectionError, ConfigParser.NoOptionError):
pass # handle value from system environment
except ConfigParser.Error as e:
raise exception.InvalidProjectConf(self.path, str(e))
option_meta = ProjectOptions.get(
"%s.%s" % (section.split(":", 1)[0], option))
if not option_meta:
return value
if value and option_meta.multiple:
value = self.parse_multi_values(value)
if option_meta.sysenvvar:
envvar_value = os.getenv(option_meta.sysenvvar)
if not envvar_value and option_meta.oldnames:
for oldoption in option_meta.oldnames:
envvar_value = os.getenv("PLATFORMIO_" + oldoption.upper())
if envvar_value:
break
if envvar_value and option_meta.multiple:
value = value or []
value.extend(self.parse_multi_values(envvar_value))
elif envvar_value and not value:
value = envvar_value
return value
def envs(self):
return [s[4:] for s in self._parser.sections() if s.startswith("env:")]
def default_envs(self):
return self.get("platformio", "env_default", [])
def validate(self, envs=None, validate_options=True):
if not isfile(self.path):
raise exception.NotPlatformIOProject(self.path)
# check envs
known = set(self.envs())
if not known:
raise exception.ProjectEnvsNotAvailable()
unknown = set(list(envs or []) + self.default_envs()) - known
if unknown:
raise exception.UnknownEnvNames(", ".join(unknown),
", ".join(known))
return self.validate_options() if validate_options else True
def validate_options(self):
# legacy `lib_extra_dirs` in [platformio]
if (self._parser.has_section("platformio")
and self._parser.has_option("platformio", "lib_extra_dirs")):
if not self._parser.has_section("env"):
self._parser.add_section("env")
self._parser.set("env", "lib_extra_dirs",
self._parser.get("platformio", "lib_extra_dirs"))
self._parser.remove_option("platformio", "lib_extra_dirs")
click.secho(
"Warning! `lib_extra_dirs` option is deprecated in section "
"[platformio]! Please move it to global `env` section",
fg="yellow")
return self._validate_unknown_options()
def _validate_unknown_options(self):
warnings = set()
renamed_options = {}
for option in ProjectOptions.values():
if option.oldnames:
renamed_options.update(
{name: option.name
for name in option.oldnames})
for section in self._parser.sections():
for option in self._parser.options(section):
# obsolete
if option in renamed_options:
warnings.add(
"`%s` option in section `[%s]` is deprecated and will "
"be removed in the next release! Please use `%s` "
"instead" % (option, section, renamed_options[option]))
# rename on-the-fly
self._parser.set(section, renamed_options[option],
self._parser.get(section, option))
self._parser.remove_option(section, option)
continue
# unknown
scope = section.split(":", 1)[0]
unknown_conditions = [
("%s.%s" % (scope, option)) not in ProjectOptions,
scope != "env" or
not option.startswith(("custom_", "board_"))
] # yapf: disable
if all(unknown_conditions):
warnings.add("Ignore unknown option `%s` in section `[%s]`"
% (option, section))
for warning in warnings:
click.secho("Warning! %s" % warning, fg="yellow")
return True
def to_json(self):
result = {}
for section in self.sections():
result[section] = self.items(section, as_dict=True)
return json.dumps(result)
def save(self, path=None):
with open(path or self.path, "w") as fp:
fp.write(CONFIG_HEADER)
self._parser.write(fp)