TextNormalizer / app.py
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"""Gradio UI for the text Preprocessor / Normalizer (big-screen / demo layout).
Run: python app.py -> http://127.0.0.1:7860
python app.py --host 0.0.0.0 -> reachable from other computers
Place this file next to normalizer.py (inside the Preprocessor folder).
"""
import argparse
import ast
import html
import socket
from pathlib import Path
import gradio as gr
from normalizer import Normalizer
normalizer = Normalizer()
HERE = Path(__file__).parent
def normalize(text: str) -> str:
if not text or not text.strip():
return ""
# Process line by line so multi-line input keeps its structure.
return "\n".join(normalizer.process(line) if line.strip() else line
for line in text.splitlines())
def load_example_groups(path: Path = HERE / "simple_test.py") -> dict[str, list[list[str]]]:
"""Collect every `n.process("...")` input from simple_test.py, grouped by the
test function it lives in (currency, units, ...). Stays in sync with the tests."""
if not path.exists():
return {}
tree = ast.parse(path.read_text(encoding="utf-8"))
groups, seen = {}, set()
for func in tree.body:
if not (isinstance(func, ast.FunctionDef) and func.name.startswith("test_")):
continue
title = (func.name.removeprefix("test_").removesuffix("_normalization")
.replace("_", " ").strip().title())
title = {"Postal Nationalid": "Postal Code & National ID"}.get(title, title)
items = []
for node in ast.walk(func):
if (isinstance(node, ast.Call)
and isinstance(node.func, ast.Attribute)
and node.func.attr == "process"
and node.args
and isinstance(node.args[0], ast.Constant)
and isinstance(node.args[0].value, str)
and node.args[0].value not in seen):
seen.add(node.args[0].value)
items.append((node.lineno, node.args[0].value))
if items:
groups[title] = [[s] for _, s in sorted(items)]
return groups
# ---- example gallery (custom HTML so we control the design) -----------------
PALETTE = ["#6366f1", "#0ea5e9", "#10b981", "#f59e0b", "#ef4444", "#8b5cf6", "#ec4899", "#14b8a6"]
def build_gallery(groups: dict[str, list[list[str]]]) -> str:
colors = {name: PALETTE[i % len(PALETTE)] for i, name in enumerate(groups)}
total = sum(len(v) for v in groups.values())
chips = [f'<button class="ex-chip active" data-cat="all">All <b>{total}</b></button>']
for name, rows in groups.items():
chips.append(f'<button class="ex-chip" data-cat="{html.escape(name)}" '
f'style="--c:{colors[name]}">{html.escape(name)} <b>{len(rows)}</b></button>')
cards = []
for name, rows in groups.items():
for (text,) in rows:
result = normalize(text)
cards.append(
f'<div class="ex-card" data-cat="{html.escape(name)}" style="--c:{colors[name]}" '
f'data-input="{html.escape(text, quote=True)}" '
f'data-search="{html.escape((text + " " + result).lower(), quote=True)}">'
f'<span class="ex-tag">{html.escape(name)}</span>'
f'<div class="ex-in" dir="auto">{html.escape(text)}</div>'
f'<div class="ex-out" dir="auto">{html.escape(result)}</div>'
f'</div>')
return (
'<div id="gallery">'
'<div class="ex-toolbar">'
'<input id="ex-search" type="search" placeholder="Search examples… (جستجو)" autocomplete="off">'
f'<div class="ex-chips">{"".join(chips)}</div>'
f'<div id="ex-count">{total} examples</div>'
'</div>'
f'<div class="ex-grid">{"".join(cards)}</div>'
'<div id="ex-empty" style="display:none">No examples match.</div>'
'</div>')
# Browser-side behaviour: click-to-fill, category filter, search, bidi alignment.
HEAD = """
<script>
const fixDir = () => document.querySelectorAll('textarea').forEach(t => t.setAttribute('dir', 'auto'));
new MutationObserver(fixDir).observe(document.documentElement, {childList: true, subtree: true});
let activeCat = 'all';
function applyFilter() {
const q = (document.getElementById('ex-search')?.value || '').trim().toLowerCase();
let shown = 0;
document.querySelectorAll('#gallery .ex-card').forEach(c => {
const ok = (activeCat === 'all' || c.dataset.cat === activeCat) && (!q || c.dataset.search.includes(q));
c.style.display = ok ? '' : 'none';
if (ok) shown++;
});
const n = document.getElementById('ex-count'); if (n) n.textContent = shown + ' examples';
const e = document.getElementById('ex-empty'); if (e) e.style.display = shown ? 'none' : '';
}
document.addEventListener('input', e => { if (e.target.id === 'ex-search') applyFilter(); });
document.addEventListener('click', e => {
const chip = e.target.closest('.ex-chip');
if (chip) {
activeCat = chip.dataset.cat;
document.querySelectorAll('.ex-chip').forEach(c => c.classList.toggle('active', c === chip));
applyFilter(); return;
}
const card = e.target.closest('.ex-card');
if (card) {
const ta = document.querySelector('#inp-box textarea');
if (!ta) return;
Object.getOwnPropertyDescriptor(HTMLTextAreaElement.prototype, 'value').set.call(ta, card.dataset.input);
ta.dispatchEvent(new Event('input', {bubbles: true}));
document.querySelectorAll('.ex-card.sel').forEach(c => c.classList.remove('sel'));
card.classList.add('sel');
}
});
</script>
"""
CSS = """
.gradio-container { max-width: 100% !important; font-size: 22px !important;
font-family: Vazirmatn, "Segoe UI", Tahoma, Arial, sans-serif !important; }
#title h1 { font-size: 2.6rem; margin: 0.2em 0; }
#title p { font-size: 1.3rem; }
/* converter stays on screen while the examples scroll */
#converter { position: sticky; top: 12px; align-self: flex-start; }
#converter textarea { font-size: 1.9rem !important; line-height: 1.8 !important; }
#converter label span, #converter .label-wrap span { font-size: 1.3rem !important; font-weight: 600; }
#convert-btn { font-size: 1.6rem !important; padding: 0.7em 0 !important; }
#clear-btn { font-size: 1.3rem !important; }
/* example gallery */
/* Gradio's block wrapper forces overflow:visible, so the scrolling lives on our own inner element */
#gallery { max-height: 88vh; overflow-y: auto; overflow-x: hidden; padding: 0 10px 12px 0;
overscroll-behavior: contain; scrollbar-width: thin; }
#gallery::-webkit-scrollbar { width: 12px; }
#gallery::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 8px; border: 3px solid transparent; background-clip: content-box; }
.ex-toolbar { position: sticky; top: 0; z-index: 5; padding: 8px 0 12px;
background: var(--background-fill-secondary, #f8fafc); }
#ex-search { width: 100%; box-sizing: border-box; font-size: 1.4rem; padding: 0.55em 0.9em;
border: 2px solid var(--border-color-primary, #cbd5e1); border-radius: 12px;
background: var(--background-fill-primary, #fff); color: inherit; }
#ex-search:focus { outline: none; border-color: #6366f1; }
.ex-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 6px; }
.ex-chip { --c: #475569; font-size: 1.15rem; padding: 0.35em 0.9em; border-radius: 999px; cursor: pointer;
border: 2px solid var(--c); background: transparent; color: var(--c); font-family: inherit; }
.ex-chip b { color: inherit !important; opacity: .8; font-weight: 600; margin-inline-start: 4px; }
.ex-chip.active { background: var(--c); color: #fff; }
#ex-count { font-size: 1.05rem; opacity: .65; }
.ex-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 9px; }
.ex-card { position: relative; cursor: pointer; padding: 8px 11px 8px; border-radius: 10px;
background: var(--background-fill-primary, #fff); border: 1px solid var(--border-color-primary, #e2e8f0);
border-inline-start: 5px solid var(--c); box-shadow: 0 1px 3px rgba(0,0,0,.06);
transition: transform .12s, box-shadow .12s; }
.ex-card:hover { transform: translateY(-1px); box-shadow: 0 4px 10px rgba(0,0,0,.14); }
.ex-card.sel { outline: 3px solid var(--c); }
.ex-tag { position: absolute; top: 4px; inset-inline-end: 8px; font-size: .62rem; font-weight: 700;
letter-spacing: .03em; color: var(--c); text-transform: uppercase; opacity: .85; }
.ex-in { font-size: 1.1rem; line-height: 1.45; margin-top: 12px; word-break: break-word; }
.ex-out { font-size: .88rem; line-height: 1.45; margin-top: 5px; padding-top: 5px; opacity: .72;
border-top: 1px dashed var(--border-color-primary, #cbd5e1); word-break: break-word; }
.ex-out::before { content: "→ "; color: var(--c); font-weight: 700; }
#ex-empty { text-align: center; font-size: 1.3rem; opacity: .6; padding: 40px 0; }
"""
THEME = gr.themes.Soft(text_size="lg")
with gr.Blocks(title="Text Normalizer") as demo:
gr.Markdown("# Text Normalizer\n"
"Type or paste text, or click any example card. "
"The spoken-form text appears instantly.", elem_id="title")
with gr.Row(equal_height=False):
with gr.Column(scale=4, elem_id="converter"):
inp = gr.Textbox(label="Input", lines=5, max_lines=10, elem_id="inp-box",
placeholder="شماره کارت من رو یادداشت کنین: 6200861916356305")
out = gr.Textbox(label="Output", lines=5, max_lines=10,
interactive=False, buttons=["copy"])
run = gr.Button("Convert", variant="primary", elem_id="convert-btn")
gr.ClearButton([inp, out], elem_id="clear-btn")
with gr.Column(scale=6):
gr.HTML(build_gallery(load_example_groups()), elem_id="examples")
run.click(normalize, inp, out)
inp.change(normalize, inp, out, show_progress="hidden") # live conversion
def lan_ip() -> str:
try:
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
sock.connect(("10.255.255.255", 1)) # no packet is sent
return sock.getsockname()[0]
except OSError:
return "127.0.0.1"
# if __name__ == "__main__":
# parser = argparse.ArgumentParser()
# parser.add_argument("--host", default="127.0.0.1",
# help="use 0.0.0.0 to let other computers on the network connect")
# parser.add_argument("--port", type=int, default=7860)
# args = parser.parse_args()
# if args.host == "0.0.0.0":
# print(f"\n>>> Others on the same network can open: http://{lan_ip()}:{args.port}\n")
# demo.launch(server_name=args.host, server_port=args.port,
# head=HEAD, css=CSS, theme=THEME)
import spaces
@spaces.GPU
def _gpu_placeholder():
pass
import os
if __name__ == "__main__":
parser = argparse.ArgumentParser()
on_space = "SPACE_ID" in os.environ
parser.add_argument("--host", default="0.0.0.0" if on_space else "127.0.0.1")
parser.add_argument("--port", type=int, default=7860)
args = parser.parse_args()
if args.host == "0.0.0.0" and not on_space:
print(f"\n>>> Others on the same network can open: http://{lan_ip()}:{args.port}\n")
demo.launch(server_name=args.host, server_port=args.port,
head=HEAD, css=CSS, theme=THEME, ssr_mode=False)