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# 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 signal
import click
from twisted.internet import protocol # pylint: disable=import-error
from platformio import fs
from platformio.compat import string_types
from platformio.proc import get_pythonexe_path
from platformio.project.helpers import get_project_core_dir
LOG_FILE = None
class BaseProcess(protocol.ProcessProtocol, object):
STDOUT_CHUNK_SIZE = 2048
COMMON_PATTERNS = {
"PLATFORMIO_HOME_DIR": get_project_core_dir(),
"PLATFORMIO_CORE_DIR": get_project_core_dir(),
"PYTHONEXE": get_pythonexe_path(),
}
def apply_patterns(self, source, patterns=None):
_patterns = self.COMMON_PATTERNS.copy()
_patterns.update(patterns or {})
for key, value in _patterns.items():
if key.endswith(("_DIR", "_PATH")):
_patterns[key] = fs.to_unix_path(value)
def _replace(text):
for key, value in _patterns.items():
pattern = "$%s" % key
text = text.replace(pattern, value or "")
return text
if isinstance(source, string_types):
source = _replace(source)
elif isinstance(source, (list, dict)):
items = enumerate(source) if isinstance(source, list) else source.items()
for key, value in items:
if isinstance(value, string_types):
source[key] = _replace(value)
elif isinstance(value, (list, dict)):
source[key] = self.apply_patterns(value, patterns)
return source
def outReceived(self, data):
if LOG_FILE:
with open(LOG_FILE, "ab") as fp:
fp.write(data)
while data:
chunk = data[: self.STDOUT_CHUNK_SIZE]
click.echo(chunk, nl=False)
data = data[self.STDOUT_CHUNK_SIZE :]
@staticmethod
def errReceived(data):
if LOG_FILE:
with open(LOG_FILE, "ab") as fp:
fp.write(data)
click.echo(data, nl=False, err=True)
@staticmethod
def processEnded(_):
# Allow terminating via SIGINT/CTRL+C
signal.signal(signal.SIGINT, signal.default_int_handler)