File size: 7,624 Bytes
974e5e3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | from langgraph.graph import StateGraph,START, END
from src.dev_pilot.state.sdlc_state import SDLCState
from src.dev_pilot.nodes.project_requirement_node import ProjectRequirementNode
from src.dev_pilot.nodes.design_document_node import DesingDocumentNode
from src.dev_pilot.nodes.coding_node import CodingNode
from src.dev_pilot.nodes.markdown_node import MarkdownArtifactsNode
from langgraph.checkpoint.memory import MemorySaver
from langchain_core.runnables.graph import MermaidDrawMethod
class GraphBuilder:
def __init__(self, llm):
self.llm = llm
self.graph_builder = StateGraph(SDLCState)
self.memory = MemorySaver()
def build_sdlc_graph(self):
"""
Configure the graph by adding nodes, edges
"""
self.project_requirement_node = ProjectRequirementNode(self.llm)
self.design_document_node = DesingDocumentNode(self.llm)
self.coding_node = CodingNode(self.llm)
self.markdown_node = MarkdownArtifactsNode()
## Nodes
self.graph_builder.add_node("initialize_project", self.project_requirement_node.initialize_project)
self.graph_builder.add_node("get_user_requirements", self.project_requirement_node.get_user_requirements)
self.graph_builder.add_node("generate_user_stories", self.project_requirement_node.generate_user_stories)
self.graph_builder.add_node("review_user_stories", self.project_requirement_node.review_user_stories)
self.graph_builder.add_node("revise_user_stories", self.project_requirement_node.revise_user_stories)
self.graph_builder.add_node("create_design_documents", self.design_document_node.create_design_documents)
self.graph_builder.add_node("review_design_documents", self.design_document_node.review_design_documents)
self.graph_builder.add_node("revise_design_documents", self.design_document_node.revise_design_documents)
self.graph_builder.add_node("generate_code", self.coding_node.generate_code)
self.graph_builder.add_node("code_review", self.coding_node.code_review)
self.graph_builder.add_node("fix_code", self.coding_node.fix_code)
self.graph_builder.add_node("security_review_recommendations", self.coding_node.security_review_recommendations)
self.graph_builder.add_node("security_review", self.coding_node.security_review)
self.graph_builder.add_node("fix_code_after_security_review", self.coding_node.fix_code_after_security_review)
self.graph_builder.add_node("write_test_cases", self.coding_node.write_test_cases)
self.graph_builder.add_node("review_test_cases", self.coding_node.review_test_cases)
self.graph_builder.add_node("revise_test_cases", self.coding_node.revise_test_cases)
self.graph_builder.add_node("qa_testing", self.coding_node.qa_testing)
self.graph_builder.add_node("qa_review", self.coding_node.qa_review)
self.graph_builder.add_node("deployment", self.coding_node.deployment)
self.graph_builder.add_node("donwload_artifacts", self.markdown_node.generate_markdown_artifacts)
## Edges
self.graph_builder.add_edge(START,"initialize_project")
self.graph_builder.add_edge("initialize_project","get_user_requirements")
self.graph_builder.add_edge("get_user_requirements","generate_user_stories")
self.graph_builder.add_edge("generate_user_stories","review_user_stories")
self.graph_builder.add_conditional_edges(
"review_user_stories",
self.project_requirement_node.review_user_stories_router,
{
"approved": "create_design_documents",
"feedback": "revise_user_stories"
}
)
self.graph_builder.add_edge("revise_user_stories","generate_user_stories")
self.graph_builder.add_edge("create_design_documents","review_design_documents")
self.graph_builder.add_conditional_edges(
"review_design_documents",
self.design_document_node.review_design_documents_router,
{
"approved": "generate_code",
"feedback": "revise_design_documents"
}
)
self.graph_builder.add_edge("revise_design_documents","create_design_documents")
self.graph_builder.add_edge("generate_code","code_review")
self.graph_builder.add_conditional_edges(
"code_review",
self.coding_node.code_review_router,
{
"approved": "security_review_recommendations",
"feedback": "fix_code"
}
)
self.graph_builder.add_edge("fix_code","generate_code")
self.graph_builder.add_edge("security_review_recommendations","security_review")
self.graph_builder.add_conditional_edges(
"security_review",
self.coding_node.security_review_router,
{
"approved": "write_test_cases",
"feedback": "fix_code_after_security_review"
}
)
self.graph_builder.add_edge("fix_code_after_security_review","generate_code")
self.graph_builder.add_edge("write_test_cases", "review_test_cases")
self.graph_builder.add_conditional_edges(
"review_test_cases",
self.coding_node.review_test_cases_router,
{
"approved": "qa_testing",
"feedback": "revise_test_cases"
}
)
self.graph_builder.add_edge("revise_test_cases", "write_test_cases")
self.graph_builder.add_edge("qa_testing", "qa_review")
self.graph_builder.add_conditional_edges(
"qa_review",
self.coding_node.review_test_cases_router,
{
"approved": "deployment",
"feedback": "generate_code"
}
)
self.graph_builder.add_edge("deployment", "donwload_artifacts")
self.graph_builder.add_edge("donwload_artifacts", END)
def setup_graph(self):
"""
Sets up the graph
"""
self.build_sdlc_graph()
return self.graph_builder.compile(
interrupt_before=[
'get_user_requirements',
'review_user_stories',
'review_design_documents',
'code_review',
'security_review',
'review_test_cases',
'qa_review'
],checkpointer=self.memory
)
# def setup_graph(self):
# """
# Sets up the graph
# """
# self.build_sdlc_graph()
# graph =self.graph_builder.compile(
# interrupt_before=[
# 'get_user_requirements',
# 'review_user_stories',
# 'review_design_documents',
# 'code_review',
# 'security_review',
# 'review_test_cases',
# 'qa_review'
# ],checkpointer=self.memory
# )
# self.save_graph_image(graph)
# return graph
def save_graph_image(self,graph):
# Generate the PNG image
img_data = graph.get_graph().draw_mermaid_png(
draw_method=MermaidDrawMethod.API
)
# Save the image to a file
graph_path = "workflow_graph.png"
with open(graph_path, "wb") as f:
f.write(img_data)
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