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66d0d44a00
### What problem does this PR solve? HTTP component supports variables. #10382   ### Type of change - [x] New Feature (non-breaking change which adds functionality)
136 lines
5.1 KiB
Python
136 lines
5.1 KiB
Python
#
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# Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
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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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#
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import json
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import logging
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import os
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import re
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import time
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from abc import ABC
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import requests
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from agent.component.base import ComponentBase, ComponentParamBase
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from api.utils.api_utils import timeout
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from deepdoc.parser import HtmlParser
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class InvokeParam(ComponentParamBase):
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"""
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Define the Crawler component parameters.
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"""
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def __init__(self):
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super().__init__()
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self.proxy = None
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self.headers = ""
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self.method = "get"
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self.variables = []
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self.url = ""
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self.timeout = 60
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self.clean_html = False
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self.datatype = "json" # New parameter to determine data posting type
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def check(self):
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self.check_valid_value(self.method.lower(), "Type of content from the crawler", ["get", "post", "put"])
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self.check_empty(self.url, "End point URL")
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self.check_positive_integer(self.timeout, "Timeout time in second")
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self.check_boolean(self.clean_html, "Clean HTML")
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self.check_valid_value(self.datatype.lower(), "Data post type", ["json", "formdata"]) # Check for valid datapost value
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class Invoke(ComponentBase, ABC):
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component_name = "Invoke"
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@timeout(int(os.environ.get("COMPONENT_EXEC_TIMEOUT", 3)))
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def _invoke(self, **kwargs):
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args = {}
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for para in self._param.variables:
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if para.get("value"):
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args[para["key"]] = para["value"]
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else:
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args[para["key"]] = self._canvas.get_variable_value(para["ref"])
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url = self._param.url.strip()
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def replace_variable(match):
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var_name = match.group(1)
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try:
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value = self._canvas.get_variable_value(var_name)
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return str(value or "")
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except Exception:
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return ""
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# {base_url} or {component_id@variable_name}
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url = re.sub(r"\{([a-zA-Z_][a-zA-Z0-9_.@-]*)\}", replace_variable, url)
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if url.find("http") != 0:
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url = "http://" + url
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method = self._param.method.lower()
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headers = {}
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if self._param.headers:
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headers = json.loads(self._param.headers)
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proxies = None
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if re.sub(r"https?:?/?/?", "", self._param.proxy):
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proxies = {"http": self._param.proxy, "https": self._param.proxy}
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last_e = ""
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for _ in range(self._param.max_retries + 1):
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try:
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if method == "get":
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response = requests.get(url=url, params=args, headers=headers, proxies=proxies, timeout=self._param.timeout)
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if self._param.clean_html:
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sections = HtmlParser()(None, response.content)
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self.set_output("result", "\n".join(sections))
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else:
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self.set_output("result", response.text)
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if method == "put":
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if self._param.datatype.lower() == "json":
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response = requests.put(url=url, json=args, headers=headers, proxies=proxies, timeout=self._param.timeout)
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else:
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response = requests.put(url=url, data=args, headers=headers, proxies=proxies, timeout=self._param.timeout)
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if self._param.clean_html:
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sections = HtmlParser()(None, response.content)
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self.set_output("result", "\n".join(sections))
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else:
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self.set_output("result", response.text)
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if method == "post":
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if self._param.datatype.lower() == "json":
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response = requests.post(url=url, json=args, headers=headers, proxies=proxies, timeout=self._param.timeout)
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else:
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response = requests.post(url=url, data=args, headers=headers, proxies=proxies, timeout=self._param.timeout)
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if self._param.clean_html:
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self.set_output("result", "\n".join(sections))
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else:
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self.set_output("result", response.text)
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return self.output("result")
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except Exception as e:
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last_e = e
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logging.exception(f"Http request error: {e}")
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time.sleep(self._param.delay_after_error)
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if last_e:
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self.set_output("_ERROR", str(last_e))
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return f"Http request error: {last_e}"
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assert False, self.output()
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def thoughts(self) -> str:
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return "Waiting for the server respond..."
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