sanic/sanic/cli/inspector_client.py
2023-10-25 02:28:52 +01:00

120 lines
3.7 KiB
Python

from __future__ import annotations
import sys
from http.client import RemoteDisconnected
from textwrap import indent
from typing import Any
from urllib.error import URLError
from urllib.request import Request as URequest
from urllib.request import urlopen
from sanic.application.logo import get_logo
from sanic.application.motd import MOTDTTY
from sanic.log import Colors
try: # no cov
from ujson import dumps, loads
except ModuleNotFoundError: # no cov
from json import dumps, loads # type: ignore
class InspectorClient:
def __init__(
self,
host: str,
port: int,
secure: bool,
raw: bool,
api_key: str | None,
) -> None:
self.scheme = "https" if secure else "http"
self.host = host
self.port = port
self.raw = raw
self.api_key = api_key
for scheme in ("http", "https"):
full = f"{scheme}://"
if self.host.startswith(full):
self.scheme = scheme
self.host = self.host[len(full) :] # noqa E203
def do(self, action: str, **kwargs: Any) -> None:
if action == "info":
self.info()
return
result = self.request(action, **kwargs).get("result")
if result:
out = (
dumps(result)
if isinstance(result, (list, dict))
else str(result)
)
sys.stdout.write(out + "\n")
def info(self) -> None:
out = sys.stdout.write
response = self.request("", "GET")
if self.raw or not response:
return
data = response["result"]
display = data.pop("info")
extra = display.pop("extra", {})
display["packages"] = ", ".join(display["packages"])
MOTDTTY(get_logo(), self.base_url, display, extra).display(
version=False,
action="Inspecting",
out=out,
)
for name, info in data["workers"].items():
info = "\n".join(
f"\t{key}: {Colors.BLUE}{value}{Colors.END}"
for key, value in info.items()
)
out(
"\n"
+ indent(
"\n".join(
[
f"{Colors.BOLD}{Colors.SANIC}{name}{Colors.END}",
info,
]
),
" ",
)
+ "\n"
)
def request(self, action: str, method: str = "POST", **kwargs: Any) -> Any:
url = f"{self.base_url}/{action}"
params: dict[str, Any] = {"method": method, "headers": {}}
if kwargs:
params["data"] = dumps(kwargs).encode()
params["headers"]["content-type"] = "application/json"
if self.api_key:
params["headers"]["authorization"] = f"Bearer {self.api_key}"
request = URequest(url, **params)
try:
with urlopen(request) as response: # nosec B310
raw = response.read()
loaded = loads(raw)
if self.raw:
sys.stdout.write(dumps(loaded.get("result")) + "\n")
return {}
return loaded
except (URLError, RemoteDisconnected) as e:
sys.stderr.write(
f"{Colors.RED}Could not connect to inspector at: "
f"{Colors.YELLOW}{self.base_url}{Colors.END}\n"
"Either the application is not running, or it did not start "
f"an inspector instance.\n{e}\n"
)
sys.exit(1)
@property
def base_url(self):
return f"{self.scheme}://{self.host}:{self.port}"