Spaces:
Sleeping
Sleeping
File size: 7,424 Bytes
23b0ad9 | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | from PIL import Image, ImageDraw, ImageFont
WIDTH = 2200
HEIGHT = 1500
BG = "#f6f3ed"
TEXT = "#1d2430"
ACCENT = "#1f5f8b"
LINE = "#476072"
BORDER = "#d7c8b6"
LAYER_COLORS = {
"presentation": "#eaf4ff",
"application": "#fdf2e2",
"service": "#eef8ee",
"intelligence": "#f7eefb",
"data": "#fff8dc",
}
def get_font(size: int, bold: bool = False):
candidates = []
if bold:
candidates.extend(
[
"C:/Windows/Fonts/arialbd.ttf",
"C:/Windows/Fonts/calibrib.ttf",
"C:/Windows/Fonts/segoeuib.ttf",
]
)
candidates.extend(
[
"C:/Windows/Fonts/arial.ttf",
"C:/Windows/Fonts/calibri.ttf",
"C:/Windows/Fonts/segoeui.ttf",
]
)
for path in candidates:
try:
return ImageFont.truetype(path, size)
except OSError:
continue
return ImageFont.load_default()
TITLE_FONT = get_font(42, True)
SUBTITLE_FONT = get_font(24)
LAYER_FONT = get_font(28, True)
BOX_TITLE_FONT = get_font(23, True)
BOX_TEXT_FONT = get_font(20)
def wrap_text(draw, text, font, max_width):
words = text.split()
lines = []
current = ""
for word in words:
trial = word if not current else f"{current} {word}"
if draw.textbbox((0, 0), trial, font=font)[2] <= max_width:
current = trial
else:
if current:
lines.append(current)
current = word
if current:
lines.append(current)
return lines
def draw_box(draw, rect, title, body, fill):
x1, y1, x2, y2 = rect
draw.rounded_rectangle(rect, radius=22, fill=fill, outline=BORDER, width=3)
title_lines = wrap_text(draw, title, BOX_TITLE_FONT, x2 - x1 - 30)
body_lines = wrap_text(draw, body, BOX_TEXT_FONT, x2 - x1 - 34)
lines = [(line, BOX_TITLE_FONT) for line in title_lines] + [(line, BOX_TEXT_FONT) for line in body_lines]
heights = []
for line, font in lines:
bbox = draw.textbbox((0, 0), line, font=font)
heights.append((bbox[3] - bbox[1]) + 6)
total_h = sum(heights) - 6
y = y1 + ((y2 - y1) - total_h) / 2
for (line, font), h in zip(lines, heights):
bbox = draw.textbbox((0, 0), line, font=font)
w = bbox[2] - bbox[0]
x = x1 + ((x2 - x1) - w) / 2
draw.text((x, y), line, font=font, fill=TEXT)
y += h
def draw_layer(draw, rect, title, fill):
x1, y1, x2, y2 = rect
draw.rounded_rectangle(rect, radius=28, fill=fill, outline=BORDER, width=4)
draw.text((x1 + 24, y1 + 16), title, font=LAYER_FONT, fill=ACCENT)
def draw_arrow(draw, start, end, width=5):
draw.line([start, end], fill=LINE, width=width)
ex, ey = end
sx, sy = start
dx = ex - sx
dy = ey - sy
if abs(dx) >= abs(dy):
sign = 1 if dx >= 0 else -1
pts = [(ex, ey), (ex - 16 * sign, ey - 8), (ex - 16 * sign, ey + 8)]
else:
sign = 1 if dy >= 0 else -1
pts = [(ex, ey), (ex - 8, ey - 16 * sign), (ex + 8, ey - 16 * sign)]
draw.polygon(pts, fill=LINE)
def draw_poly_arrow(draw, points, width=5):
for start, end in zip(points, points[1:]):
draw.line([start, end], fill=LINE, width=width)
draw_arrow(draw, points[-2], points[-1], width)
def main():
img = Image.new("RGB", (WIDTH, HEIGHT), BG)
draw = ImageDraw.Draw(img)
draw.text((70, 40), "6.3 System Architecture Diagram", font=TITLE_FONT, fill=ACCENT)
draw.text((72, 95), "High-level layered architecture of the EmpowerHer prototype", font=SUBTITLE_FONT, fill=TEXT)
layers = {
"presentation": (120, 170, 2080, 360),
"application": (120, 395, 2080, 600),
"service": (120, 635, 2080, 870),
"intelligence": (120, 905, 2080, 1160),
"data": (120, 1190, 2080, 1420),
}
draw_layer(draw, layers["presentation"], "Presentation Layer", LAYER_COLORS["presentation"])
draw_layer(draw, layers["application"], "Application Layer", LAYER_COLORS["application"])
draw_layer(draw, layers["service"], "Service / Business Logic Layer", LAYER_COLORS["service"])
draw_layer(draw, layers["intelligence"], "Intelligence Layer", LAYER_COLORS["intelligence"])
draw_layer(draw, layers["data"], "Data / Knowledge Layer", LAYER_COLORS["data"])
boxes = {
"user": (160, 225, 520, 325),
"frontend": (720, 215, 1080, 330),
"api": (540, 445, 900, 560),
"static": (1220, 445, 1580, 560),
"chat": (330, 700, 740, 820),
"rules": (1020, 690, 1590, 830),
"emotion": (180, 965, 560, 1095),
"llm": (700, 965, 1080, 1095),
"retriever": (1220, 955, 1640, 1105),
"kb": (330, 1255, 760, 1365),
"history": (1040, 1255, 1470, 1365),
}
draw_box(draw, boxes["user"], "End User", "Teenage girl using the chatbot through a browser", "#fffdf8")
draw_box(draw, boxes["frontend"], "React Frontend", "Chat interface for sending messages and showing replies", "#fffdf8")
draw_box(draw, boxes["api"], "Flask Web App / API", "Serves the system and exposes the /chat endpoint", "#fffdf8")
draw_box(draw, boxes["static"], "Static Asset Serving", "Delivers the built frontend from the backend container", "#fffdf8")
draw_box(draw, boxes["chat"], "ChatService", "Central orchestration of the chatbot request pipeline", "#fffdf8")
draw_box(draw, boxes["rules"], "Rule-Based Logic", "Intent detection, topic detection, safety checks, follow-up handling, templates", "#fffdf8")
draw_box(draw, boxes["emotion"], "Emotion Classifier", "GoEmotions RoBERTa for emotion detection", "#fffdf8")
draw_box(draw, boxes["llm"], "Response Generator", "Flan-T5 model for empathetic response generation", "#fffdf8")
draw_box(draw, boxes["retriever"], "KnowledgeBaseRetriever", "Searches local documents using TF-IDF or embeddings", "#fffdf8")
draw_box(draw, boxes["kb"], "Local Knowledge Base", "Menstrual-health guidance stored as local text files", "#fffdf8")
draw_box(draw, boxes["history"], "Conversation History", "Prior messages used for follow-up context", "#fffdf8")
draw_arrow(draw, (520, 275), (720, 275))
draw_poly_arrow(draw, [(900, 330), (900, 390), (720, 390), (720, 445)])
draw_poly_arrow(draw, [(1080, 275), (1400, 275), (1400, 445)])
draw_arrow(draw, (720, 560), (720, 700))
draw_poly_arrow(draw, [(900, 505), (1020, 505), (1020, 740)])
draw_poly_arrow(draw, [(535, 820), (535, 905), (370, 905), (370, 965)])
draw_poly_arrow(draw, [(740, 760), (860, 760), (860, 965)])
draw_poly_arrow(draw, [(1380, 830), (1380, 905), (1430, 905), (1430, 955)])
draw_poly_arrow(draw, [(1300, 830), (1300, 1190), (1255, 1190), (1255, 1255)])
draw_poly_arrow(draw, [(1430, 1105), (1430, 1190), (545, 1190), (545, 1255)])
draw_poly_arrow(draw, [(370, 1095), (370, 1135), (535, 1135), (535, 820)])
draw_poly_arrow(draw, [(890, 1095), (890, 1135), (535, 1135), (535, 820)])
draw_poly_arrow(draw, [(1430, 1105), (1430, 1135), (535, 1135), (535, 820)])
draw_poly_arrow(draw, [(740, 760), (900, 760), (900, 505)])
draw_poly_arrow(draw, [(1580, 505), (1680, 505), (1680, 275), (1080, 275)])
out_path = "d:/FYP IMPLEMENTATION/EmpowerHer_Chatbot/docs/system_architecture_diagram.png"
img.save(out_path, format="PNG")
print(out_path)
if __name__ == "__main__":
main()
|