forked from platformio/platformio-core
107 lines
3.4 KiB
Python
107 lines
3.4 KiB
Python
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# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import glob
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import os
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import re
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import click
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from platformio import exception
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try:
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import ConfigParser as ConfigParser
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except ImportError:
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import configparser as ConfigParser
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class ProjectConfig(object):
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VARTPL_RE = re.compile(r"\$\{([^\.\}]+)\.([^\}]+)\}")
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_parser = None
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_parsed = []
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@staticmethod
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def parse_multi_values(items):
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result = []
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if not items:
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return result
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inline_comment_re = re.compile(r"\s+;.*$")
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for item in items.split("\n" if "\n" in items else ", "):
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item = item.strip()
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# comment
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if not item or item.startswith((";", "#")):
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continue
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if ";" in item:
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item = inline_comment_re.sub("", item).strip()
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result.append(item)
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return result
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def __init__(self, path):
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self.path = path
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self._parsed = []
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self._parser = ConfigParser.ConfigParser()
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self.read(path)
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def read(self, path):
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if path in self._parsed:
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return
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self._parsed.append(path)
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try:
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self._parser.read(path)
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except ConfigParser.Error as e:
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raise exception.InvalidProjectConf(path, str(e))
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# load extra configs
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if (not self._parser.has_section("platformio")
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or not self._parser.has_option("platformio", "extra_configs")):
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return
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extra_configs = self.parse_multi_values(
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self.get("platformio", "extra_configs"))
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for pattern in extra_configs:
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for item in glob.glob(pattern):
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self.read(item)
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def __getattr__(self, name):
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return getattr(self._parser, name)
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def items(self, section):
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items = []
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for option in self._parser.options(section):
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items.append((option, self._parser.get(section, option)))
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return items
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def get(self, section, option):
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try:
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value = self._parser.get(section, option)
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except ConfigParser.Error as e:
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raise exception.InvalidProjectConf(self.path, str(e))
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if "${" not in value or "}" not in value:
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return value
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return self.VARTPL_RE.sub(self._re_sub_handler, value)
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def _re_sub_handler(self, match):
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section, option = match.group(1), match.group(2)
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if section in ("env",
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"sysenv") and not self._parser.has_section(section):
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if section == "env":
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click.secho(
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"Warning! Access to system environment variable via "
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"`${{env.{0}}}` is deprecated. Please use "
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"`${{sysenv.{0}}}` instead".format(option),
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fg="yellow")
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return os.getenv(option)
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return self._parser.get(section, option)
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