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#
# Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
#
# 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 json
import re
from agent.component.base import ComponentBase, ComponentParamBase
from jinja2 import Template as Jinja2Template
class TemplateParam(ComponentParamBase):
"""
Define the Generate component parameters.
"""
def __init__(self):
super().__init__()
self.content = ""
self.parameters = []
def check(self):
self.check_empty(self.content, "[Template] Content")
return True
class Template(ComponentBase):
component_name = "Template"
def get_dependent_components(self):
inputs = self.get_input_elements()
cpnts = set([i["key"] for i in inputs if i["key"].lower().find("answer") < 0 and i["key"].lower().find("begin") < 0])
return list(cpnts)
def get_input_elements(self):
key_set = set([])
res = []
for r in re.finditer(r"\{([a-z]+[:@][a-z0-9_-]+)\}", self._param.content, flags=re.IGNORECASE):
cpn_id = r.group(1)
if cpn_id in key_set:
continue
if cpn_id.lower().find("begin@") == 0:
cpn_id, key = cpn_id.split("@")
for p in self._canvas.get_component(cpn_id)["obj"]._param.query:
if p["key"] != key:
continue
res.append({"key": r.group(1), "name": p["name"]})
key_set.add(r.group(1))
continue
cpn_nm = self._canvas.get_component_name(cpn_id)
if not cpn_nm:
continue
res.append({"key": cpn_id, "name": cpn_nm})
key_set.add(cpn_id)
return res
def _run(self, history, **kwargs):
content = self._param.content
self._param.inputs = []
for para in self.get_input_elements():
if para["key"].lower().find("begin@") == 0:
cpn_id, key = para["key"].split("@")
for p in self._canvas.get_component(cpn_id)["obj"]._param.query:
if p["key"] == key:
value = p.get("value", "")
self.make_kwargs(para, kwargs, value)
break
else:
assert False, f"Can't find parameter '{key}' for {cpn_id}"
continue
component_id = para["key"]
cpn = self._canvas.get_component(component_id)["obj"]
if cpn.component_name.lower() == "answer":
hist = self._canvas.get_history(1)
if hist:
hist = hist[0]["content"]
else:
hist = ""
self.make_kwargs(para, kwargs, hist)
continue
_, out = cpn.output(allow_partial=False)
result = ""
if "content" in out.columns:
result = "\n".join(
[o if isinstance(o, str) else str(o) for o in out["content"]]
)
self.make_kwargs(para, kwargs, result)
template = Jinja2Template(content)
try:
content = template.render(kwargs)
except Exception:
pass
for n, v in kwargs.items():
try:
v = json.dumps(v, ensure_ascii=False)
except Exception:
pass
content = re.sub(
r"\{%s\}" % re.escape(n), v, content
)
content = re.sub(
r"(\\\"|\")", "", content
)
content = re.sub(
r"(#+)", r" \1 ", content
)
return Template.be_output(content)
def make_kwargs(self, para, kwargs, value):
self._param.inputs.append(
{"component_id": para["key"], "content": value}
)
try:
value = json.loads(value)
except Exception:
pass
kwargs[para["key"]] = value
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