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Improve external components error messages (#2026)

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Otto Winter 2021-07-16 10:23:08 +02:00 committed by Jesse Hills
parent 7787fa8f29
commit f1e3ff2ed2
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1 changed files with 58 additions and 37 deletions
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95
esphome/components/external_components/__init__.py
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@ -109,7 +109,15 @@ def _compute_destination_path(key: str) -> Path:
return base_dir / h.hexdigest()[:8]
def _handle_git_response(ret):
def _run_git_command(cmd):
try:
ret = subprocess.run(cmd, capture_output=True, check=False)
except FileNotFoundError as err:
raise cv.Invalid(
"git is not installed but required for external_components.\n"
"Please see https://git-scm.com/book/en/v2/Getting-Started-Installing-Git for installing git"
) from err
if ret.returncode != 0 and ret.stderr:
err_str = ret.stderr.decode("utf-8")
lines = [x.strip() for x in err_str.splitlines()]
@ -118,46 +126,59 @@ def _handle_git_response(ret):
raise cv.Invalid(err_str)
def _process_git_config(config: dict, refresh) -> str:
key = f"{config[CONF_URL]}@{config.get(CONF_REF)}"
repo_dir = _compute_destination_path(key)
if not repo_dir.is_dir():
_LOGGER.info("Cloning %s", key)
_LOGGER.debug("Location: %s", repo_dir)
cmd = ["git", "clone", "--depth=1"]
if CONF_REF in config:
cmd += ["--branch", config[CONF_REF]]
cmd += ["--", config[CONF_URL], str(repo_dir)]
_run_git_command(cmd)
else:
# Check refresh needed
file_timestamp = Path(repo_dir / ".git" / "FETCH_HEAD")
# On first clone, FETCH_HEAD does not exists
if not file_timestamp.exists():
file_timestamp = Path(repo_dir / ".git" / "HEAD")
age = datetime.datetime.now() - datetime.datetime.fromtimestamp(
file_timestamp.stat().st_mtime
)
if age.seconds > refresh.total_seconds:
_LOGGER.info("Updating %s", key)
_LOGGER.debug("Location: %s", repo_dir)
# Stash local changes (if any)
_run_git_command(["git", "stash", "push", "--include-untracked"])
# Fetch remote ref
cmd = ["git", "fetch", "--", "origin"]
if CONF_REF in config:
cmd.append(config[CONF_REF])
_run_git_command(cmd)
# Hard reset to FETCH_HEAD (short-lived git ref corresponding to most recent fetch)
_run_git_command(["git", "reset", "--hard", "FETCH_HEAD"])
if (repo_dir / "esphome" / "components").is_dir():
components_dir = repo_dir / "esphome" / "components"
elif (repo_dir / "components").is_dir():
components_dir = repo_dir / "components"
else:
raise cv.Invalid(
"Could not find components folder for source. Please check the source contains a 'components' or 'esphome/components' folder"
)
return components_dir
def _process_single_config(config: dict):
conf = config[CONF_SOURCE]
if conf[CONF_TYPE] == TYPE_GIT:
key = f"{conf[CONF_URL]}@{conf.get(CONF_REF)}"
repo_dir = _compute_destination_path(key)
if not repo_dir.is_dir():
cmd = ["git", "clone", "--depth=1"]
if CONF_REF in conf:
cmd += ["--branch", conf[CONF_REF]]
cmd += [conf[CONF_URL], str(repo_dir)]
ret = subprocess.run(cmd, capture_output=True, check=False)
_handle_git_response(ret)
else:
# Check refresh needed
file_timestamp = Path(repo_dir / ".git" / "FETCH_HEAD")
# On first clone, FETCH_HEAD does not exists
if not file_timestamp.exists():
file_timestamp = Path(repo_dir / ".git" / "HEAD")
age = datetime.datetime.now() - datetime.datetime.fromtimestamp(
file_timestamp.stat().st_mtime
with cv.prepend_path([CONF_SOURCE]):
components_dir = _process_git_config(
config[CONF_SOURCE], config[CONF_REFRESH]
)
if age.seconds > config[CONF_REFRESH].total_seconds:
_LOGGER.info("Executing git pull %s", key)
cmd = ["git", "pull"]
ret = subprocess.run(
cmd, cwd=repo_dir, capture_output=True, check=False
)
_handle_git_response(ret)
if (repo_dir / "esphome" / "components").is_dir():
components_dir = repo_dir / "esphome" / "components"
elif (repo_dir / "components").is_dir():
components_dir = repo_dir / "components"
else:
raise cv.Invalid(
"Could not find components folder for source. Please check the source contains a 'components' or 'esphome/components' folder",
[CONF_SOURCE],
)
elif conf[CONF_TYPE] == TYPE_LOCAL:
components_dir = Path(CORE.relative_config_path(conf[CONF_PATH]))
else: