File size: 7,484 Bytes
f55d589
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
"""Gradio app. Main UI definition and layout."""

from __future__ import annotations

import html
import io
import logging
from typing import Any

import gradio as gr

from pipeline.pipeline import run_diagnosis
from storage.cache import get_cache
from storage.database import init_db, list_recent, record_diagnosis
from ui.components import (
    HEADER_HTML,
    THEME_CSS,
    defect_pills_html,
    diagnosis_html,
    render_history,
    stats_html,
)
from ui.theme import build_theme

logger = logging.getLogger(__name__)
logging.basicConfig(level=logging.INFO)


DEFAULT_FILM_TYPES = [
    "Kodak Portra 400 (35mm)",
    "Kodak Tri-X 400 (35mm)",
    "Kodak Ektar 100 (35mm)",
    "Ilford HP5 Plus (35mm)",
    "Ilford Delta 100 (35mm)",
    "Ilford FP4 Plus (120)",
    "CineStill 800T (35mm)",
    "Fujifilm Pro 400H (35mm)",
    "Fomapan 400 (35mm)",
    "Other / Unknown",
]

STORAGE_OPTIONS = [
    "fridge, sealed",
    "freezer, sealed",
    "room temp, sealed",
    "room temp, loose",
    "shoe box, attic",
    "shoe box, basement",
    "unknown",
]

RESOLUTION_OPTIONS = [2000, 3000, 4000, 5000, 6000, 8000]


def _image_to_bytes(pil_image: Any) -> bytes:
    buf = io.BytesIO()
    pil_image.save(buf, format="PNG")
    return buf.getvalue()


def run_pipeline(
    image: Any,
    film_type: str,
    film_age_years: int,
    storage: str,
    scan_dpi: int,
    progress: gr.Progress = gr.Progress(),
) -> tuple[str, str, str, str]:
    """Gradio handler for the diagnose button."""
    if image is None:
        empty = '<p style="color: var(--halide-crimson);">No image provided.</p>'
        return empty, empty, empty, render_history(list_recent(limit=10))

    try:
        progress(0.0, "Hashing image for cache lookup...")
        cache = get_cache()
        image_bytes = _image_to_bytes(image)
        cached = cache.get(image_bytes)
        if cached is not None:
            logger.info("Returning cached diagnosis")
            result = cached
        else:
            progress(0.1, "Stage 1/2: running vision defect extraction...")
            result = run_diagnosis(
                image=image,
                film_type=film_type or "Unknown 35mm",
                film_age_years=int(film_age_years or 0),
                storage=storage or "unknown",
                scan_resolution_dpi=int(scan_dpi or 4000),
            )
            progress(0.85, "Stage 2/2: persisting diagnosis...")
            try:
                record_diagnosis(result)
            except Exception as exc:  # pragma: no cover
                logger.warning("Failed to record diagnosis: %s", exc)
            cache.put(image_bytes, result)

        progress(1.0, "Done.")

        counts = result.get("defects", {}).get("label_counts", {}) or {}
        stats = stats_html(result)
        pills = defect_pills_html(counts)
        diag = diagnosis_html(result.get("diagnosis", {}).get("diagnosis_text", ""))
        history = render_history(list_recent(limit=10))
        return stats, pills, diag, history
    except Exception as exc:  # pragma: no cover
        logger.exception("Pipeline failed")
        err = (
            '<div class="halide-card" style="border-color: var(--halide-crimson);">'
            f'<div class="halide-section-title" style="color: var(--halide-red);">'
            f"Pipeline error</div>"
            f"<pre style=\"color: var(--halide-parchment); white-space: pre-wrap;\">"
            f"{html.escape(str(exc))}</pre></div>"
        )
        return err, "", "", render_history(list_recent(limit=10))


def refresh_history() -> str:
    return render_history(list_recent(limit=10))


def build_app() -> gr.Blocks:
    init_db()
    theme = build_theme()

    with gr.Blocks(title="Project Halide") as app:
        gr.HTML(HEADER_HTML)

        with gr.Row():
            with gr.Column(scale=1):
                with gr.Group(elem_classes="halide-card"):
                    gr.Markdown('<div class="halide-section-title">Scan upload</div>')
                    image_input = gr.Image(
                        label="Film scan",
                        type="pil",
                        height=380,
                        sources=["upload", "clipboard"],
                    )

                with gr.Group(elem_classes="halide-card"):
                    gr.Markdown('<div class="halide-section-title">Film metadata</div>')
                    film_type = gr.Dropdown(
                        choices=DEFAULT_FILM_TYPES,
                        value=DEFAULT_FILM_TYPES[0],
                        label="Film stock",
                    )
                    with gr.Row():
                        film_age = gr.Slider(
                            minimum=0,
                            maximum=80,
                            step=1,
                            value=2,
                            label="Age (years)",
                        )
                        scan_dpi = gr.Dropdown(
                            choices=RESOLUTION_OPTIONS,
                            value=4000,
                            label="Scan resolution (dpi)",
                        )
                    storage = gr.Radio(
                        choices=STORAGE_OPTIONS,
                        value=STORAGE_OPTIONS[0],
                        label="Storage condition",
                    )

                run_btn = gr.Button("Diagnose scan", variant="primary", size="lg")

            with gr.Column(scale=2):
                with gr.Group(elem_classes="halide-card"):
                    gr.Markdown('<div class="halide-section-title">Defect summary</div>')
                    defect_summary = gr.HTML(
                        value='<p style="color: var(--halide-slate);">Awaiting scan.</p>'
                    )

                with gr.Group(elem_classes="halide-card"):
                    gr.Markdown('<div class="halide-section-title">Diagnosis & fixes</div>')
                    diagnosis_output = gr.HTML(
                        value='<p style="color: var(--halide-slate);">Awaiting scan.</p>'
                    )

                with gr.Group(elem_classes="halide-card"):
                    gr.Markdown('<div class="halide-section-title">Session stats</div>')
                    stats_output = gr.HTML(
                        value='<p style="color: var(--halide-slate);">Awaiting scan.</p>'
                    )

            with gr.Column(scale=1):
                with gr.Group(elem_classes="halide-card"):
                    gr.Markdown('<div class="halide-section-title">Recent diagnoses</div>')
                    history_output = gr.HTML(value=render_history(list_recent(limit=10)))
                    refresh_btn = gr.Button("Refresh history", size="sm")

        gr.HTML(
            "<footer>Project Halide. Edge-native, no cloud APIs. "
            "Vision: MiniCPM-V 4.6 (1.3B). Reasoning: Nemotron-Mini-4B-Instruct (few-shot).</footer>"
        )

        run_btn.click(
            fn=run_pipeline,
            inputs=[image_input, film_type, film_age, storage, scan_dpi],
            outputs=[stats_output, defect_summary, diagnosis_output, history_output],
        )
        refresh_btn.click(fn=refresh_history, outputs=[history_output])

    return app


def main() -> None:
    app = build_app()
    app.queue(max_size=8).launch(
        server_name="0.0.0.0",
        server_port=7860,
        theme=build_theme(),
        css=THEME_CSS,
    )


if __name__ == "__main__":
    main()