mirror of
https://github.com/esphome/esphome.git
synced 2024-12-03 12:14:13 +01:00
299 lines
8.6 KiB
Python
299 lines
8.6 KiB
Python
from typing import Union, List
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import collections
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import io
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import logging
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import os
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import re
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import subprocess
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import sys
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from pathlib import Path
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from esphome import const
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_LOGGER = logging.getLogger(__name__)
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class RegistryEntry:
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def __init__(self, name, fun, type_id, schema):
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self.name = name
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self.fun = fun
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self.type_id = type_id
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self.raw_schema = schema
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@property
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def coroutine_fun(self):
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from esphome.core import coroutine
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return coroutine(self.fun)
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@property
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def schema(self):
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from esphome.config_validation import Schema
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return Schema(self.raw_schema)
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class Registry(dict):
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def __init__(self, base_schema=None, type_id_key=None):
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super().__init__()
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self.base_schema = base_schema or {}
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self.type_id_key = type_id_key
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def register(self, name, type_id, schema):
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def decorator(fun):
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self[name] = RegistryEntry(name, fun, type_id, schema)
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return fun
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return decorator
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class SimpleRegistry(dict):
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def register(self, name, data):
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def decorator(fun):
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self[name] = (fun, data)
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return fun
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return decorator
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def safe_print(message=""):
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from esphome.core import CORE
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if CORE.dashboard:
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try:
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message = message.replace("\033", "\\033")
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except UnicodeEncodeError:
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pass
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try:
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print(message)
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return
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except UnicodeEncodeError:
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pass
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try:
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print(message.encode("utf-8", "backslashreplace"))
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except UnicodeEncodeError:
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try:
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print(message.encode("ascii", "backslashreplace"))
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except UnicodeEncodeError:
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print("Cannot print line because of invalid locale!")
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def shlex_quote(s):
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if not s:
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return "''"
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if re.search(r"[^\w@%+=:,./-]", s) is None:
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return s
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return "'" + s.replace("'", "'\"'\"'") + "'"
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ANSI_ESCAPE = re.compile(r"\033[@-_][0-?]*[ -/]*[@-~]")
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class RedirectText:
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def __init__(self, out, filter_lines=None):
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self._out = out
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if filter_lines is None:
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self._filter_pattern = None
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else:
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pattern = r"|".join(r"(?:" + pattern + r")" for pattern in filter_lines)
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self._filter_pattern = re.compile(pattern)
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self._line_buffer = ""
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def __getattr__(self, item):
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return getattr(self._out, item)
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def _write_color_replace(self, s):
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from esphome.core import CORE
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if CORE.dashboard:
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# With the dashboard, we must create a little hack to make color output
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# work. The shell we create in the dashboard is not a tty, so python removes
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# all color codes from the resulting stream. We just convert them to something
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# we can easily recognize later here.
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s = s.replace("\033", "\\033")
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self._out.write(s)
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def write(self, s):
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# s is usually a str already (self._out is of type TextIOWrapper)
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# However, s is sometimes also a bytes object in python3. Let's make sure it's a
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# str
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# If the conversion fails, we will create an exception, which is okay because we won't
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# be able to print it anyway.
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if not isinstance(s, str):
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s = s.decode()
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if self._filter_pattern is not None:
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self._line_buffer += s
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lines = self._line_buffer.splitlines(True)
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for line in lines:
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if "\n" not in line and "\r" not in line:
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# Not a complete line, set line buffer
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self._line_buffer = line
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break
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self._line_buffer = ""
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line_without_ansi = ANSI_ESCAPE.sub("", line)
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line_without_end = line_without_ansi.rstrip()
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if self._filter_pattern.match(line_without_end) is not None:
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# Filter pattern matched, ignore the line
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continue
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self._write_color_replace(line)
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else:
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self._write_color_replace(s)
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# write() returns the number of characters written
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# Let's print the number of characters of the original string in order to not confuse
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# any caller.
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return len(s)
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# pylint: disable=no-self-use
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def isatty(self):
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return True
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def run_external_command(
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func, *cmd, capture_stdout: bool = False, filter_lines: str = None
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) -> Union[int, str]:
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"""
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Run a function from an external package that acts like a main method.
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Temporarily replaces stdin/stderr/stdout, sys.argv and sys.exit handler during the run.
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:param func: Function to execute
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:param cmd: Command to run as (eg first element of sys.argv)
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:param capture_stdout: Capture text from stdout and return that.
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:param filter_lines: Regular expression used to filter captured output.
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:return: str if `capture_stdout` is set else int exit code.
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"""
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def mock_exit(return_code):
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raise SystemExit(return_code)
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orig_argv = sys.argv
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orig_exit = sys.exit # mock sys.exit
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full_cmd = " ".join(shlex_quote(x) for x in cmd)
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_LOGGER.info("Running: %s", full_cmd)
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orig_stdout = sys.stdout
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sys.stdout = RedirectText(sys.stdout, filter_lines=filter_lines)
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orig_stderr = sys.stderr
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sys.stderr = RedirectText(sys.stderr, filter_lines=filter_lines)
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if capture_stdout:
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cap_stdout = sys.stdout = io.StringIO()
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try:
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sys.argv = list(cmd)
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sys.exit = mock_exit
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return func() or 0
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except KeyboardInterrupt:
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return 1
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except SystemExit as err:
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return err.args[0]
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except Exception as err: # pylint: disable=broad-except
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_LOGGER.error("Running command failed: %s", err)
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_LOGGER.error("Please try running %s locally.", full_cmd)
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return 1
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finally:
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sys.argv = orig_argv
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sys.exit = orig_exit
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sys.stdout = orig_stdout
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sys.stderr = orig_stderr
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if capture_stdout:
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# pylint: disable=lost-exception
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return cap_stdout.getvalue()
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def run_external_process(*cmd, **kwargs):
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full_cmd = " ".join(shlex_quote(x) for x in cmd)
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_LOGGER.info("Running: %s", full_cmd)
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filter_lines = kwargs.get("filter_lines")
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capture_stdout = kwargs.get("capture_stdout", False)
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if capture_stdout:
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sub_stdout = io.BytesIO()
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else:
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sub_stdout = RedirectText(sys.stdout, filter_lines=filter_lines)
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sub_stderr = RedirectText(sys.stderr, filter_lines=filter_lines)
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try:
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return subprocess.call(cmd, stdout=sub_stdout, stderr=sub_stderr)
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except Exception as err: # pylint: disable=broad-except
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_LOGGER.error("Running command failed: %s", err)
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_LOGGER.error("Please try running %s locally.", full_cmd)
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return 1
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finally:
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if capture_stdout:
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# pylint: disable=lost-exception
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return sub_stdout.getvalue()
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def is_dev_esphome_version():
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return "dev" in const.__version__
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# Custom OrderedDict with nicer repr method for debugging
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class OrderedDict(collections.OrderedDict):
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def __repr__(self):
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return dict(self).__repr__()
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def list_yaml_files(folders):
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files = filter_yaml_files(
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[os.path.join(folder, p) for folder in folders for p in os.listdir(folder)]
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)
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files.sort()
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return files
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def filter_yaml_files(files):
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return [
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f
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for f in files
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if (
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os.path.splitext(f)[1] == ".yaml"
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and os.path.basename(f) != "secrets.yaml"
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and not os.path.basename(f).startswith(".")
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)
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]
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class SerialPort:
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def __init__(self, path: str, description: str):
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self.path = path
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self.description = description
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# from https://github.com/pyserial/pyserial/blob/master/serial/tools/list_ports.py
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def get_serial_ports() -> List[SerialPort]:
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from serial.tools.list_ports import comports
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result = []
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for port, desc, info in comports(include_links=True):
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if not port:
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continue
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if "VID:PID" in info:
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result.append(SerialPort(path=port, description=desc))
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# Also add objects in /dev/serial/by-id/
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# ref: https://github.com/esphome/issues/issues/1346
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by_id_path = Path("/dev/serial/by-id")
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if sys.platform.lower().startswith("linux") and by_id_path.exists():
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from serial.tools.list_ports_linux import SysFS
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for path in by_id_path.glob("*"):
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device = SysFS(path)
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if device.subsystem == "platform":
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result.append(SerialPort(path=str(path), description=info[1]))
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result.sort(key=lambda x: x.path)
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return result
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