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Some files, and things.

master
Sébastien Miquel 2026-02-08 13:35:11 +01:00
parent 56b158969d
commit 8059544e26
5 changed files with 410 additions and 464 deletions
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169
cutleft.py
View File

@ -1,6 +1,7 @@
import sys import sys
import os import os
import time import time
import json # Added for schema output
import tkinter as tk import tkinter as tk
from threading import Thread from threading import Thread
from queue import Queue, Empty from queue import Queue, Empty
@ -35,9 +36,56 @@ if not os.path.exists(OUTPUT_DIR):
# --- Processing Logic --- # --- Processing Logic ---
def distribute_pages(total_pages, max_per_file=5):
"""
Calculates how to split pages into chunks <= max_per_file,
balancing the number of columns per file.
Example: 12 pages, max 5 -> [4, 4, 4]
"""
if total_pages == 0:
return []
# Calculate minimum number of files needed
num_files = (total_pages + max_per_file - 1) // max_per_file
# Calculate base size and remainder
base_count = total_pages // num_files
remainder = total_pages % num_files
distribution = []
for i in range(num_files):
# Distribute remainder to the first few files
count = base_count + (1 if i < remainder else 0)
distribution.append(count)
return distribution
def stitch_images(image_list):
"""Helper to stitch a list of images horizontally with delimiters."""
if not image_list:
return None
num_images = len(image_list)
total_width = sum(img.width for img in image_list) + (num_images - 1) * DELIMITER_WIDTH
max_height = max(img.height for img in image_list)
combined = Image.new('RGB', (total_width, max_height), color=(255, 255, 255))
x_offset = 0
for idx, img in enumerate(image_list):
combined.paste(img, (x_offset, 0))
x_offset += img.width
if idx < num_images - 1:
delimiter = Image.new('RGB', (DELIMITER_WIDTH, max_height), color=DELIMITER_COLOR)
combined.paste(delimiter, (x_offset, 0))
x_offset += DELIMITER_WIDTH
return combined
def process_single_pdf(filename, shift_offset=0): def process_single_pdf(filename, shift_offset=0):
""" """
Converts PDF to stitched JPG image (PIL object). Converts PDF to stitched images.
Returns a tuple: (preview_image_resized, list_of_split_images, schema_dict)
""" """
pdf_path = os.path.join(INPUT_DIR, filename) pdf_path = os.path.join(INPUT_DIR, filename)
try: try:
@ -61,36 +109,58 @@ def process_single_pdf(filename, shift_offset=0):
if not cropped_images: if not cropped_images:
return None return None
# Combine # 1. Generate Schema / Distribution
num_images = len(cropped_images) col_distribution = distribute_pages(len(cropped_images), max_per_file=5)
total_width = sum(img.width for img in cropped_images) + (num_images - 1) * DELIMITER_WIDTH
max_height = max(img.height for img in cropped_images)
combined = Image.new('RGB', (total_width, max_height), color=(255, 255, 255)) # 2. Generate Split Images (Full Resolution)
split_images = []
current_idx = 0
for count in col_distribution:
chunk = cropped_images[current_idx : current_idx + count]
stitched_chunk = stitch_images(chunk)
split_images.append(stitched_chunk)
current_idx += count
x_offset = 0 # 3. Generate Preview (All stitched together, Resized)
for idx, img in enumerate(cropped_images): full_stitch = stitch_images(cropped_images)
combined.paste(img, (x_offset, 0)) preview_resized = full_stitch.resize(OUTPUT_SIZE, Image.LANCZOS)
x_offset += img.width
if idx < num_images - 1:
delimiter = Image.new('RGB', (DELIMITER_WIDTH, max_height), color=DELIMITER_COLOR)
combined.paste(delimiter, (x_offset, 0))
x_offset += DELIMITER_WIDTH
# Resize schema = {
resized = combined.resize(OUTPUT_SIZE, Image.LANCZOS) "original_filename": filename,
return resized "total_pages": len(cropped_images),
"number_of_files": len(split_images),
"columns_per_file": col_distribution
}
return (preview_resized, split_images, schema)
except Exception as e: except Exception as e:
print(f"Error processing {filename}: {e}") print(f"Error processing {filename}: {e}")
return None return None
def save_image(pil_img, filename): def save_results(result_tuple, filename):
output_filename = os.path.splitext(filename)[0] + ".jpg" """
Saves the split images and the schema JSON.
"""
_, splits, schema = result_tuple
base_name = os.path.splitext(filename)[0]
# Save Images
for i, img in enumerate(splits):
# Suffix _01, _02, etc.
suffix = f"_{i+1:02d}"
output_filename = f"{base_name}{suffix}.jpg"
output_path = os.path.join(OUTPUT_DIR, output_filename) output_path = os.path.join(OUTPUT_DIR, output_filename)
pil_img.save(output_path, "JPEG", quality=95) img.save(output_path, "JPEG", quality=95)
print(f"Saved: {output_filename}") print(f"Saved: {output_filename}")
# Save Schema
json_filename = f"{base_name}_schema.json"
json_path = os.path.join(OUTPUT_DIR, json_filename)
with open(json_path, 'w') as f:
json.dump(schema, f, indent=4)
print(f"Saved schema: {json_filename}")
# --- GUI Application --- # --- GUI Application ---
class ImageReviewer: class ImageReviewer:
@ -98,10 +168,10 @@ class ImageReviewer:
self.files = file_list self.files = file_list
self.index = 0 self.index = 0
self.current_shift = 0 self.current_shift = 0
self.current_pil = None self.current_preview = None # Only stores the resized preview for GUI
self.is_processing = False self.is_processing = False
# Queue for pre-fetched images (index, image) # Queue for pre-fetched results (index, (preview, splits, schema))
self.prefetch_queue = Queue(maxsize=1) self.prefetch_queue = Queue(maxsize=1)
# Queue for manual re-processing results # Queue for manual re-processing results
self.manual_queue = Queue() self.manual_queue = Queue()
@ -142,12 +212,11 @@ class ImageReviewer:
if target < len(self.files): if target < len(self.files):
if idx_to_process != target: if idx_to_process != target:
fname = self.files[target] fname = self.files[target]
img = process_single_pdf(fname, shift_offset=0) result = process_single_pdf(fname, shift_offset=0)
if img: if result:
self.prefetch_queue.put((target, img)) # Blocks if full self.prefetch_queue.put((target, result)) # Blocks if full
idx_to_process = target idx_to_process = target
# Crucial fix: Sleep briefly to release CPU
time.sleep(0.1) time.sleep(0.1)
def load_current_image(self, use_prefetch=False): def load_current_image(self, use_prefetch=False):
@ -159,19 +228,17 @@ class ImageReviewer:
filename = self.files[self.index] filename = self.files[self.index]
self.is_processing = False self.is_processing = False
img_found = None result_found = None
if use_prefetch and not self.prefetch_queue.empty(): if use_prefetch and not self.prefetch_queue.empty():
q_idx, q_img = self.prefetch_queue.queue[0] q_idx, q_result = self.prefetch_queue.queue[0]
if q_idx == self.index: if q_idx == self.index:
_, img_found = self.prefetch_queue.get() _, result_found = self.prefetch_queue.get()
self.current_shift = 0 self.current_shift = 0
print(f"Loaded {filename} from prefetch.") print(f"Loaded {filename} from prefetch.")
if img_found: if result_found:
self.current_pil = img_found self.handle_processing_result(result_found, filename)
save_image(self.current_pil, filename)
self.update_display(filename)
else: else:
# Not in queue (first load or queue mismatch), process manually # Not in queue (first load or queue mismatch), process manually
self.trigger_processing(filename, self.current_shift) self.trigger_processing(filename, self.current_shift)
@ -182,8 +249,8 @@ class ImageReviewer:
self.label_info.configure(text=f"Processing {filename} (Shift {shift})... Please wait.", fg="red") self.label_info.configure(text=f"Processing {filename} (Shift {shift})... Please wait.", fg="red")
def worker(): def worker():
img = process_single_pdf(filename, shift) res = process_single_pdf(filename, shift)
self.manual_queue.put(img) self.manual_queue.put(res)
Thread(target=worker, daemon=True).start() Thread(target=worker, daemon=True).start()
self.check_manual_queue(filename) self.check_manual_queue(filename)
@ -191,11 +258,9 @@ class ImageReviewer:
def check_manual_queue(self, filename): def check_manual_queue(self, filename):
"""Polls the manual queue for result.""" """Polls the manual queue for result."""
try: try:
img = self.manual_queue.get_nowait() result = self.manual_queue.get_nowait()
self.current_pil = img if result:
if self.current_pil: self.handle_processing_result(result, filename)
save_image(self.current_pil, filename)
self.update_display(filename)
else: else:
print(f"Failed to process {filename}, skipping.") print(f"Failed to process {filename}, skipping.")
self.index += 1 self.index += 1
@ -205,13 +270,29 @@ class ImageReviewer:
# Check again in 100ms # Check again in 100ms
self.root.after(100, lambda: self.check_manual_queue(filename)) self.root.after(100, lambda: self.check_manual_queue(filename))
def update_display(self, filename): def handle_processing_result(self, result, filename):
if self.current_pil: """Unpacks result, saves files, and updates display."""
tk_image = ImageTk.PhotoImage(self.current_pil) preview, splits, schema = result
self.current_preview = preview
# Save immediately upon loading/calculating
save_results(result, filename)
self.update_display(filename, schema)
def update_display(self, filename, schema=None):
if self.current_preview:
tk_image = ImageTk.PhotoImage(self.current_preview)
self.label_img.configure(image=tk_image) self.label_img.configure(image=tk_image)
self.label_img.image = tk_image self.label_img.image = tk_image
schema_info = ""
if schema:
cols = str(schema['columns_per_file'])
schema_info = f"\nFiles: {schema['number_of_files']} | Cols: {cols}"
self.label_info.configure( self.label_info.configure(
text=f"[{self.index+1}/{len(self.files)}] {filename} | Shift: {self.current_shift}px\n" text=f"[{self.index+1}/{len(self.files)}] {filename} | Shift: {self.current_shift}px"
f"{schema_info}\n"
f"Enter: Next | n: +50 | N: +100 | t: -50", f"Enter: Next | n: +50 | N: +100 | t: -50",
fg="black" fg="black"
) )

166
gemini-batch.py
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@ -1,166 +0,0 @@
import sys
import os
import time
from google import genai
from google.genai import types
import base64
from pathlib import Path
if len(sys.argv) < 2:
sys.exit("Usage: python script.py <directory_path>")
INPUT_DIR = sys.argv[1]
CUTLEFT_DIR = os.path.join(INPUT_DIR, 'Cutleft')
MODEL_ID = "gemini-3-flash-preview"
api_key="REMOVED_API_KEY"
my_prompt = """I'm giving you an image of the left columns of a written exam.
Students answer several exercises, which can have several questions.
The image consists of several columns, separated by vertical black
lines. The image should be read top to bottom and then left to right,
meaning first column, then second column, etc.
In their sheet, students delimit exercises and questions using
delimiters such as `Ex 1`, or `Exercice 1`, and `1)` or `a)`. You need
to give me the bounding boxes of each delimiter.
When giving the bounding box of the first question of an exercise, the
box should be large enough to contain both the exercice label
(`Exercice i`) and the question label (`1)`) parts.
You also need to give me the student name. It should appear on the top
left of the image. Disregard any mention of `MPSI 3`, it is their
class. A list of possible student names will be given below.
You will answer with a JSON object, containing a `name` field with the
name, and a `list` field, with the list of the bounding boxes and
their labels. The box_2d should be [ymin, xmin, ymax, xmax] normalized
to 0-1000.
Here is an example :
{\"name\" : \"John Doe\", \"list\" : [{\"box_2d\": (10, 20, 30, 40), \"label\" : \"Ex 1 : 1)\"}]}
Do not provide a box_2d for the name. Only for the labels.
You may find the same label present several times, as a student either
recall the current label on a new page, or adds content to its answer
later on. Give the position of each instance of each label.
For this exam you should look for the labels given below, separated by
newlines. A student need not have answered every question, so some may
be missing.
##labels##
Here's a list of the names of the students, pick the one that matches
the best or `\"Unknown\"` if you cannot read the name
##names##"""
from tqdm import tqdm
def process_batch(directory):
client = genai.Client(api_key=api_key)
image_files = list(Path(directory).glob("*.jpg"))
if not image_files:
print("No .jpg files found.")
return
# 1. Upload images to File API (Batch requirement)
batch_requests = []
print(f"Uploading {len(image_files)} images to File API...")
for img_path in tqdm(image_files, unit="img"):
# Upload file
file_ref = client.files.upload(path=img_path)
# Construct Request for JSONL
# Note: We must serialize config manually for the JSONL body
req_body = {
"contents": [
{"role": "user", "parts": [
{"fileData": {"mimeType": file_ref.mime_type, "fileUri": file_ref.uri}},
{"text": my_prompt}
]}
],
"generationConfig": {
"temperature": 1.0,
"topP": 0.95,
"maxOutputTokens": 65535,
"thinkingConfig": {"thinkingBudget": -1}
},
"safetySettings": [
{"category": cat, "threshold": "BLOCK_NONE"}
for cat in ["HARM_CATEGORY_HATE_SPEECH", "HARM_CATEGORY_DANGEROUS_CONTENT",
"HARM_CATEGORY_SEXUALLY_EXPLICIT", "HARM_CATEGORY_HARASSMENT"]
]
}
# Batch Request Entry
batch_requests.append({
"custom_id": img_path.name,
"method": "POST",
"url": f"/v1beta/models/{MODEL_ID}:generateContent",
"body": req_body
})
# 2. Create and Upload Batch Source File (JSONL)
batch_file_path = os.path.join(INPUT_DIR, "batch_input.jsonl")
with open(batch_file_path, "w") as f:
for req in batch_requests:
f.write(json.dumps(req) + "\n")
batch_input_file = client.files.upload(path=batch_file_path)
# 3. Submit Batch Job
print("Submitting batch job...")
job = client.batches.create(
model=MODEL_ID,
src=batch_input_file.name
)
print(f"Batch Job ID: {job.name}")
# 4. Poll for Completion
pbar = tqdm(desc="Processing Batch", unit="poll")
while True:
job = client.batches.get(name=job.name)
if job.state == "ACTIVE":
pbar.set_description("Processing")
elif job.state == "SUCCEEDED" or job.state == "FAILED":
break
pbar.update(1)
time.sleep(10) # Poll every 10 seconds
pbar.close()
if job.state == "FAILED":
print(f"Batch job failed: {job.error}")
return
# 5. Retrieve and Save Results
print("Downloading results...")
# The output file is a remote URI, we download its content
output_content = client.files.content(path=job.output_file.name)
# Parse JSONL output and map back to files
# Output format: {"custom_id": "...", "response": {...}}
results_saved = 0
for line in output_content.decode("utf-8").splitlines():
if not line: continue
result = json.loads(line)
filename = result.get("custom_id")
if filename:
output_path = Path(directory) / f"{filename}.json"
with open(output_path, "w", encoding="utf-8") as f:
# Save the full response part
json.dump(result.get("response", {}), f, indent=2)
results_saved += 1
print(f"Batch complete. Saved {results_saved} result files.")
process_batch(CUTLEFT_DIR)

119
gemini.py
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@ -1,119 +0,0 @@
from google import genai
from google.genai import types
import base64
from pathlib import Path
MODEL_ID = "gemini-3-flash-preview"
api_key="REMOVED_API_KEY"
my_prompt = """I'm giving you an image of the left columns of a written exam.
Students answer several exercises, which can have several questions.
The image consists of several columns, separated by vertical black
lines. The image should be read top to bottom and then left to right,
meaning first column, then second column, etc.
In their sheet, students delimit exercises and questions using
delimiters such as `Ex 1`, or `Exercice 1`, and `1)` or `a)`. You need
to give me the bounding boxes of each delimiter.
When giving the bounding box of the first question of an exercise, the
box should be large enough to contain both the exercice label
(`Exercice i`) and the question label (`1)`) parts.
You also need to give me the student name. It should appear on the top
left of the image. Disregard any mention of `MPSI 3`, it is their
class. A list of possible student names will be given below.
You will answer with a JSON object, containing a `name` field with the
name, and a `list` field, with the list of the bounding boxes and
their labels. The box_2d should be [ymin, xmin, ymax, xmax] normalized
to 0-1000.
Here is an example :
{\"name\" : \"John Doe\", \"list\" : [{\"box_2d\": (10, 20, 30, 40), \"label\" : \"Ex 1 : 1)\"}]}
Do not provide a box_2d for the name. Only for the labels.
You may find the same label present several times, as a student either
recall the current label on a new page, or adds content to its answer
later on. Give the position of each instance of each label.
For this exam you should look for the labels given below, separated by
newlines. A student need not have answered every question, so some may
be missing.
##labels##
Here's a list of the names of the students, pick the one that matches
the best or `\"Unknown\"` if you cannot read the name
##names##"""
from pydantic import BaseModel, Field
from typing import List
class BoxItem(BaseModel):
box_2d: List[int] = Field(description="Bounding box coordinates (e.g., [ymin, xmin, ymax, xmax])")
label: str = Field(description="The label associated with the specific box")
class AnnotationData(BaseModel):
name: str = Field(description="The name identifier")
list: List[BoxItem] = Field(description="List of bounding box items")
def generate_request(file, labels):
"""Generates request for Gemini."""
image_path = Path(file)
contents = [
types.Content(
role="user",
parts=[
types.Part.from_bytes(
data=image_path.read_bytes(),
mime_type="image/jpeg"
),
types.Part.from_text(text=my_prompt + labels),
],
)
]
generate_content_config = types.GenerateContentConfig(
temperature=1.0,
top_p=0.95,
seed=0,
max_output_tokens=65535,
response_mime_type= "application/json",
response_json_schema= AnnotationData.model_json_schema(),
# Thinking config is not compatible with response_json ? Unsure.
# thinking_config=types.ThinkingConfig(
# thinking_budget=-1,
# ),
# thinking_config=types.ThinkingConfig(
# include_thoughts=True,
# thinking_budget=1024, # Optimized for Gemini 3 capabilities
# ),
)
return (contents, generate_content_config)
import sys
import os
import time
if len(sys.argv) < 2:
sys.exit("Usage: python script.py Staging/cutleft1000.jpg labels")
INPUT_FILE = sys.argv[1]
contents, config = generate_request(INPUT_FILE)
client = genai.Client(api_key=api_key)
for chunk in client.models.generate_content_stream(
model=MODEL_ID,
contents=contents,
config=config,
):
if chunk.text:
print(chunk.text, end="", flush=True)

178
gemini_dir_batching.py
View File

@ -3,12 +3,15 @@ from google.genai import types
import base64 import base64
from pathlib import Path from pathlib import Path
from pydantic import BaseModel, Field from pydantic import BaseModel, Field
from typing import List from typing import List, Dict
import sys import sys
import os import os
import time import time
import json import json
import argparse import argparse
import re
from collections import defaultdict
from concurrent.futures import ThreadPoolExecutor
MODEL_ID = "gemini-3-flash-preview" MODEL_ID = "gemini-3-flash-preview"
api_key="REMOVED_API_KEY" api_key="REMOVED_API_KEY"
@ -24,6 +27,55 @@ In their sheet, students delimit exercises and questions using
delimiters such as `Ex 1`, or `Exercice 1`, and `1)` or `a)`. You need delimiters such as `Ex 1`, or `Exercice 1`, and `1)` or `a)`. You need
to give me the bounding boxes of each delimiter. to give me the bounding boxes of each delimiter.
When giving the bounding box of the first question of an exercise, the
box should be large enough to contain both the exercice label
(`Exercice i`) and the question label (`1)`) parts. If they are
horizontally far apart (example : if the `1)` is to the left and the
`Exercice i` is either to the right, or in the middle) then give only
the bounding box of the question label `1)` part. You should still
label it as `Exercice i : 1)` though.
You also need to give me the student name. It should appear on the top
left of the image. Disregard any mention of `MPSI 3`, it is their
class. A list of possible student names will be given below.
You will answer with a JSON object, containing a `name` field with the
name, and a `list` field, with the list of the bounding boxes and
their labels. The box_2d should be [ymin, xmin, ymax, xmax] normalized
to 0-1000.
Here is an example :
{\"name\" : \"John Doe\", \"list\" : [{\"box_2d\": (10, 20, 30, 40), \"label\" : \"Ex 1 : 1)\"}]}
Do not provide a box_2d for the name. Only for the labels. Order the
box_2d by their position in the page, column by column : first column
(top to bottom), then second column, etc.
You may find the same label present several times, as a student either
recall the current label on a new page, or adds content to its answer
later on. Give the position of each instance of each label.
For this exam you should look for the labels given below, separated by
newlines. A student need not have answered every question, so some may
be missing.
##labels##
Here's a list of the names of the students, pick the one that matches
the best or `\"Unknown\"` if you cannot read the name
##names##"""
my_prompt2 = """I'm giving you an image of the left columns of a written exam.
Students answer several exercises, which can have several questions.
The image consists of several columns, separated by vertical black
lines. The image should be read top to bottom and then left to right,
meaning first column, then second column, etc.
In their sheet, students delimit exercises and questions using
delimiters such as `Ex 1`, or `Exercice 1`, and `1)` or `a)`. You need
to give me the bounding boxes of each delimiter.
When giving the bounding box of the first question of an exercise, the When giving the bounding box of the first question of an exercise, the
box should be large enough to contain both the exercice label box should be large enough to contain both the exercice label
(`Exercice i`) and the question label (`1)`) parts. (`Exercice i`) and the question label (`1)`) parts.
@ -46,16 +98,26 @@ You may find the same label present several times, as a student either
recall the current label on a new page, or adds content to its answer recall the current label on a new page, or adds content to its answer
later on. Give the position of each instance of each label. later on. Give the position of each instance of each label.
This image is one part of a sequence (e.g., part 2 of 3) for a single
student. Here is the list of labels found in the *previous* parts of
this copy:
[
##prev_context##
]
If the first column starts with a number like =3)= or =c)=, look at
the labels in the list above. If the last relevant label was =Ex 4 :
2)=, you should label the new box =Ex 4 : 3)=.
For this exam you should look for the labels given below, separated by For this exam you should look for the labels given below, separated by
newlines. A student need not have answered every question, so some may newlines. A student need not have answered every question, so some may
be missing. be missing.
##labels## ##labels##
Here's a list of the names of the students, pick the one that matches Since this copy isn't the first part of a sequence, simply set the
the best or `\"Unknown\"` if you cannot read the name name to `\"Continued\"`."""
##names##"""
class BoxItem(BaseModel): class BoxItem(BaseModel):
box_2d: List[int] = Field(description="Bounding box coordinates (e.g., [ymin, xmin, ymax, xmax])") box_2d: List[int] = Field(description="Bounding box coordinates (e.g., [ymin, xmin, ymax, xmax])")
@ -66,12 +128,21 @@ class AnnotationData(BaseModel):
list: List[BoxItem] = Field(description="List of bounding box items") list: List[BoxItem] = Field(description="List of bounding box items")
def generate_request(file, labels, names): def generate_request(file, labels, names, context_labels):
"""Generates request for Gemini.""" """Generates request for Gemini with context."""
image_path = Path(file) image_path = Path(file)
text = my_prompt.replace("##labels##",labels).replace("##names##", names) # Format context list as a string
context_str = ", ".join([f'"{l}"' for l in context_labels]) if context_labels else "No previous context"
if context_labels == []:
text = my_prompt.replace("##labels##", labels)\
.replace("##names##", names)
else:
text = my_prompt2.replace("##labels##", labels)\
.replace("##prev_context##", context_str)
contents = [ contents = [
types.Content( types.Content(
role="user", role="user",
@ -97,74 +168,115 @@ def generate_request(file, labels, names):
# Argument Parsing # Argument Parsing
parser = argparse.ArgumentParser(description="Process a directory or specific file using Gemini.") parser = argparse.ArgumentParser(description="Process a directory or specific file using Gemini.")
parser.add_argument("input_path", help="The input directory or specific file (e.g., Dir/File.pdf)") parser.add_argument("input_path", help="The input directory or specific file")
parser.add_argument("--overwrite", action="store_true", help="Regenerate output even if it exists") parser.add_argument("--overwrite", action="store_true", help="Regenerate output even if it exists")
args = parser.parse_args() args = parser.parse_args()
input_arg = Path(args.input_path) input_arg = Path(args.input_path)
image_files = [] image_files = []
# Logic to handle Directory vs File argument # Setup Paths and Files
if input_arg.is_file(): if input_arg.is_file():
# If argument is Dir/Copiedd.pdf
INPUT_DIR = input_arg.parent INPUT_DIR = input_arg.parent
CUTLEFT_DIR = INPUT_DIR / 'Cutleft' CUTLEFT_DIR = INPUT_DIR / 'Cutleft'
# For a single file, we verify it exists but we might miss context if we don't look for siblings
# Look for matching .jpg in Cutleft (e.g., Copiedd.jpg) # Simplification: We add just this file, context will be empty.
target_image = CUTLEFT_DIR / f"{input_arg.stem}.jpg" target_image = CUTLEFT_DIR / f"{input_arg.stem}.jpg"
if target_image.exists(): if target_image.exists():
image_files = [target_image] image_files = [target_image]
else: else:
print(f"Error: Corresponding image {target_image} not found.") print(f"Error: {target_image} not found.")
sys.exit(1) sys.exit(1)
else: else:
# If argument is just Dir
INPUT_DIR = input_arg INPUT_DIR = input_arg
CUTLEFT_DIR = INPUT_DIR / 'Cutleft' CUTLEFT_DIR = INPUT_DIR / 'Cutleft'
image_files = sorted(list(CUTLEFT_DIR.glob("*.jpg"))) image_files = sorted(list(CUTLEFT_DIR.glob("*.jpg")))
labels = (INPUT_DIR / "labels").read_text() labels_txt = (INPUT_DIR / "labels").read_text()
names = (INPUT_DIR / "names").read_text() names_txt = (INPUT_DIR / "names").read_text()
client = genai.Client(api_key=api_key) client = genai.Client(api_key=api_key)
# Target > 3.0s per request to stay under 20 RPM # Group files by Copy ID (e.g. Copie01_01.jpg -> Copie01)
# regex: match everything before the last underscore if it ends in digits
file_groups = defaultdict(list)
for img in image_files:
stem = img.stem
# match CopieXX_YY -> Group CopieXX
match = re.match(r"(.+)_(\d+)$", stem)
if match:
group_key = match.group(1)
file_groups[group_key].append(img)
else:
# Fallback for files without underscore numbering
file_groups[stem].append(img)
# Sort files within each group to ensure sequential processing
for key in file_groups:
file_groups[key].sort(key=lambda x: x.name)
TARGET_INTERVAL = 3.5 TARGET_INTERVAL = 3.5
from concurrent.futures import ThreadPoolExecutor def process_copy_group(group_key, files):
"""Processes a list of files belonging to one copy sequentially to maintain context."""
def process_image(image_file): # Context accumulator for this specific copy
accumulated_labels = []
for image_file in files:
start_time = time.time() start_time = time.time()
base_name, _ = os.path.splitext(image_file.name) base_name = image_file.stem
output_json = os.path.join(INPUT_DIR, f"{base_name}.json") output_json = INPUT_DIR / f"{base_name}.json"
# Skip if already processed unless overwrite is enabled # Check existing
if os.path.exists(output_json) and not args.overwrite: if output_json.exists() and not args.overwrite:
print(f"Skipping {image_file.name}, output exists.") print(f"[{group_key}] Skipping {image_file.name}, output exists.")
return # If skipping, we should try to load existing labels to keep context for next parts
try:
with open(output_json, 'r') as f:
data = json.load(f)
for item in data.get('list', []):
accumulated_labels.append(item['label'])
except:
pass # If read fails, next part has no context
continue
print(f"Processing {image_file.name}...") print(f"[{group_key}] Processing {image_file.name} with {len(accumulated_labels)} ctx items...")
try: try:
# Prepare and execute request contents, config = generate_request(image_file, labels_txt, names_txt, accumulated_labels)
contents, config = generate_request(image_file, labels, names)
response = client.models.generate_content( response = client.models.generate_content(
model=MODEL_ID, model=MODEL_ID,
contents=contents, contents=contents,
config=config config=config
) )
annota = AnnotationData.model_validate_json(response.text) annota = AnnotationData.model_validate_json(response.text)
# Save result # Save result
with open(output_json, "w", encoding="utf-8") as f: with open(output_json, "w", encoding="utf-8") as f:
json.dump(annota.model_dump(), f, indent=2) json.dump(annota.model_dump(), f, indent=2)
# Update context for the next part in this group
for box in annota.list:
accumulated_labels.append(box.label)
except Exception as e: except Exception as e:
print(f"Error processing {image_file.name}: {e}") print(f"Error processing {image_file.name}: {e}")
# Rate Limiting (Note: This limits per-thread, not global total) # Rate Limiting
elapsed = time.time() - start_time elapsed = time.time() - start_time
time.sleep(max(0, TARGET_INTERVAL - elapsed)) time.sleep(max(0, TARGET_INTERVAL - elapsed))
# Run with 6 threads # Run ThreadPool on GROUPS (Copies), not individual files
# Each thread handles one student's full exam copy sequentially
with ThreadPoolExecutor(max_workers=6) as executor: with ThreadPoolExecutor(max_workers=6) as executor:
executor.map(process_image, image_files) # Convert dict items to arguments for map
# executor.map expects a function and an iterable.
# We use a lambda or separate function to unpack the tuple if needed,
# but here we'll just submit futures.
futures = [executor.submit(process_copy_group, k, v) for k, v in file_groups.items()]
# Wait for all to complete
for future in futures:
future.result()

206
plotting.py
View File

@ -6,44 +6,57 @@ import subprocess
import tkinter as tk import tkinter as tk
from pathlib import Path from pathlib import Path
from PIL import Image, ImageDraw, ImageFont, ImageTk from PIL import Image, ImageDraw, ImageFont, ImageTk
from pypdf import PdfReader
# --- Configuration & Globals --- # --- Configuration & Globals ---
padding = 60 # White margin to the right padding = 60
# Queue payload: (pil_image, json_path, metadata)
# metadata is a dict: {'copie': str, 'part': int, 'schema': dict}
image_queue = queue.Queue(maxsize=5)
image_queue = queue.Queue(maxsize=5) # Buffer a few images ahead
try: try:
font = ImageFont.truetype("DejaVuSans.ttf", size=30) font = ImageFont.truetype("DejaVuSans.ttf", size=30)
except OSError: except OSError:
font = ImageFont.load_default() font = ImageFont.load_default()
# --- Processing Logic (Worker Thread) --- # --- Helper Functions (Shared) ---
def page_number(b, nb_pages): def page_number(b, nb_pages):
column_width = 1000 // nb_pages column_width = 1000 // nb_pages
center_x = (b[1] + b[3]) // 2 center_x = (b[1] + b[3]) // 2
return center_x // column_width return center_x // column_width
def convert_box2d(b, pn_ori, npn, tot_ori, tot_dest):
l = b.copy()
l[1] = (l[1] - (1000 // tot_ori) * (pn_ori-1)) * tot_ori // tot_dest\
+ (1000 // tot_dest) * (npn - 1)
l[3] = (l[3] - (1000 // tot_ori) * (pn_ori-1)) * tot_ori // tot_dest\
+ (1000 // tot_dest) * (npn - 1)
return l
def convert_list(l, group_id, json_schema):
ll = []
nb_pages = json_schema["columns_per_file"][group_id-1]
nb_previous_pages = sum([json_schema["columns_per_file"][i] for i in range(group_id-1)])
nb_tot_pages = sum([e for e in json_schema["columns_per_file"]])
for e in l:
ee = e.copy()
pn = page_number(e["box_2d"], nb_pages)
npn = pn + nb_previous_pages
ee["box_2d"] = convert_box2d(ee["box_2d"], pn, npn, nb_pages, nb_tot_pages)
ee["part"] = group_id
ee["pn"] = npn
ll.append(ee)
return ll
def prepare_image(image_path: str, bounding_boxes, all_labels, nb_pages): def prepare_image(image_path: str, bounding_boxes, all_labels, nb_pages):
"""
Draws boxes on the image and returns the PIL Image object.
Does NOT display it.
"""
im = Image.open(image_path) im = Image.open(image_path)
# Ensure image is loaded so we can pass it between threads safely
im.load() im.load()
width, height = im.size width, height = im.size
# Add white padding to the right
new_im = Image.new(im.mode, (width + padding, height), "white") new_im = Image.new(im.mode, (width + padding, height), "white")
new_im.paste(im, (0, 0)) new_im.paste(im, (0, 0))
draw = ImageDraw.Draw(new_im) draw = ImageDraw.Draw(new_im)
bounding_boxes.sort(key=lambda b: (page_number(b["box_2d"], nb_pages), b["box_2d"][0])) bounding_boxes.sort(key=lambda b: (page_number(b["box_2d"], nb_pages), b["box_2d"][0]))
last_label_index = -1 last_label_index = -1
for bbox in bounding_boxes: for bbox in bounding_boxes:
@ -51,7 +64,6 @@ def prepare_image(image_path: str, bounding_boxes, all_labels, nb_pages):
raw_x_min = int(bbox["box_2d"][1] * width / 1000) raw_x_min = int(bbox["box_2d"][1] * width / 1000)
raw_y_max = int(bbox["box_2d"][2] * height / 1000) raw_y_max = int(bbox["box_2d"][2] * height / 1000)
raw_x_max = int(bbox["box_2d"][3] * width / 1000) raw_x_max = int(bbox["box_2d"][3] * width / 1000)
abs_y_min = max(0, raw_y_min - 10) abs_y_min = max(0, raw_y_min - 10)
abs_x_min = max(0, raw_x_min - 10) abs_x_min = max(0, raw_x_min - 10)
abs_y_max = min(height, raw_y_max + 10) abs_y_max = min(height, raw_y_max + 10)
@ -59,60 +71,67 @@ def prepare_image(image_path: str, bounding_boxes, all_labels, nb_pages):
color = "black" color = "black"
label = bbox.get("label") label = bbox.get("label")
if label and label in all_labels: if label and label in all_labels:
current_index = all_labels.index(label) current_index = all_labels.index(label)
if current_index < last_label_index: if current_index < last_label_index:
color = "red" color = "red"
last_label_index = current_index last_label_index = current_index
draw.rectangle( draw.rectangle(((abs_x_min, abs_y_min), (abs_x_max, abs_y_max)), outline=color, width=4)
((abs_x_min, abs_y_min), (abs_x_max, abs_y_max)),
outline=color,
width=4,
)
if label: if label:
# draw.text((abs_x_min + 8, abs_y_min + 6), label, fill=color, font=font)
if abs_y_min > 80: if abs_y_min > 80:
draw.text((abs_x_min + 8, abs_y_min - 30), label, fill=color, font=font) draw.text((abs_x_min + 8, abs_y_min - 30), label, fill=color, font=font)
else: else:
draw.text((abs_x_min + 8, abs_y_max + 6), label, fill=color, font=font) draw.text((abs_x_min + 8, abs_y_max + 6), label, fill=color, font=font)
return new_im return new_im
# --- Processing Logic (Worker Thread) ---
def worker_thread(base_dir, files_to_process, all_labels): def worker_thread(base_dir, files_to_process, all_labels):
""" """
Iterates through files, processes them, and puts them in the queue. Iterates through files, prepares VISUALS only, and puts metadata in queue.
Does NOT write final JSON files anymore.
""" """
for img_path in files_to_process: for img_path in files_to_process:
json_path = base_dir / f"{img_path.stem}.json" json_path = base_dir / f"{img_path.stem}.json"
pdf_path = base_dir / f"{img_path.stem}.pdf" copie_part = int(img_path.stem[-2:])
copie = img_path.stem[:-3]
json_schema_path = base_dir / 'Cutleft' / f"{copie}_schema.json"
nb_pages = 1
if pdf_path.exists():
try: try:
nb_pages = len(PdfReader(pdf_path).pages) with open(json_schema_path, 'r') as f:
except Exception: json_schema = json.load(f)
pass except:
print("No json_schema : ", json_schema_path)
continue
nb_pages = json_schema["columns_per_file"][copie_part-1]
if json_path.exists(): if json_path.exists():
try: try:
# Read strictly for visualization purposes
with open(json_path, 'r') as f: with open(json_path, 'r') as f:
json_result = json.load(f) json_result = json.load(f)
bb_list = json_result.get("list", []) bb_list = json_result.get("list", [])
print(f"Processing {img_path.name}...") print(f"Buffering {img_path.name}...")
# Draw boxes
pil_image = prepare_image(str(img_path), bb_list, all_labels, nb_pages) pil_image = prepare_image(str(img_path), bb_list, all_labels, nb_pages)
# Block if queue is full (waiting for user to view) # Package metadata needed for final calculation later
image_queue.put((pil_image, json_path)) metadata = {
"copie": copie,
"part": copie_part,
"schema": json_schema,
"name": json_result.get("name", "")
}
image_queue.put((pil_image, json_path, metadata))
except Exception as e: except Exception as e:
print(f"Error processing {img_path.name}: {e}") print(f"Error processing {img_path.name}: {e}")
# Sentinel to indicate finished # Sentinel to indicate finished
image_queue.put((None, None)) image_queue.put((None, None, None))
# --- GUI Logic (Main Thread) --- # --- GUI Logic (Main Thread) ---
@ -121,57 +140,66 @@ class ImageViewer:
self.root = root self.root = root
self.base_dir = base_dir self.base_dir = base_dir
self.root.title("Bounding Box Viewer") self.root.title("Bounding Box Viewer")
# UI Elements
self.label = tk.Label(root, text="Waiting for images...") self.label = tk.Label(root, text="Waiting for images...")
self.label.pack(expand=True, fill="both") self.label.pack(expand=True, fill="both")
# State # Display State
self.current_image = None self.current_image = None
self.current_json_path = None self.current_json_path = None
self.current_meta = None # Stores schema/copie info
self.is_viewing = False self.is_viewing = False
self.scale_factor = 1.0 # To track resizing self.scale_factor = 1.0
self.orig_size = (1, 1) # To track original dimensions self.orig_size = (1, 1)
# Input Bindings # Data Aggregation State
self.active_copie_name = None
self.accumulated_results = None # Dict with "name" and "list"
# Bindings
self.root.bind('<Return>', self.on_enter) self.root.bind('<Return>', self.on_enter)
self.root.bind('e', self.on_edit) self.root.bind('e', self.on_edit)
self.root.bind('o', self.on_open_pdf) # <--- 3. Add Key Binding self.root.bind('o', self.on_open_pdf)
self.root.bind('<Escape>', lambda e: self.root.quit()) self.root.bind('<Escape>', lambda e: self.root.quit())
self.label.bind('<Button-1>', self.on_click) # Bind left mouse click self.label.bind('<Button-1>', self.on_click)
# Start polling queue
self.poll_queue() self.poll_queue()
def poll_queue(self): def poll_queue(self):
if not self.is_viewing: if not self.is_viewing:
try: try:
pil_image, json_path = image_queue.get_nowait() pil_image, json_path, metadata = image_queue.get_nowait()
# Handle End of Stream
if pil_image is None: if pil_image is None:
self.save_current_batch() # Save any remaining data
print("All images processed.") print("All images processed.")
self.root.quit() # Stop the program self.root.quit()
return return
self.display_image(pil_image, json_path) # Check if we switched to a new "Copie" group
if self.active_copie_name != metadata["copie"]:
self.save_current_batch() # Write previous group to disk
# Start new batch
self.active_copie_name = metadata["copie"]
self.accumulated_results = {"name": metadata["name"], "list": []}
self.display_image(pil_image, json_path, metadata)
except queue.Empty: except queue.Empty:
pass pass
self.root.after(100, self.poll_queue) self.root.after(100, self.poll_queue)
def on_open_pdf(self, event): def save_current_batch(self):
if self.is_viewing and self.current_json_path: """Writes the accumulated data to the main JSON file."""
# Replace .json extension with .pdf if self.active_copie_name and self.accumulated_results:
pdf_path = self.current_json_path.with_suffix(".pdf") main_json_path = self.base_dir / f"{self.active_copie_name}.json"
print(f"Writing aggregated result to {main_json_path}")
with open(main_json_path, 'w') as f:
json.dump(self.accumulated_results, f)
self.accumulated_results = None
print(f"Opening {pdf_path}") def display_image(self, pil_image, json_path, metadata):
# Use subprocess to run xdg-open without blocking
subprocess.Popen(['xdg-open', str(pdf_path)])
def display_image(self, pil_image, json_path):
self.orig_size = pil_image.size self.orig_size = pil_image.size
self.scale_factor = 1.0 self.scale_factor = 1.0
# Resize if too large for screen
screen_h = self.root.winfo_screenheight() - 100 screen_h = self.root.winfo_screenheight() - 100
if pil_image.height > screen_h: if pil_image.height > screen_h:
self.scale_factor = screen_h / pil_image.height self.scale_factor = screen_h / pil_image.height
@ -179,17 +207,47 @@ class ImageViewer:
int(pil_image.height * self.scale_factor))) int(pil_image.height * self.scale_factor)))
self.tk_image = ImageTk.PhotoImage(pil_image) self.tk_image = ImageTk.PhotoImage(pil_image)
self.label.config(image=self.tk_image, text="") self.label.config(image=self.tk_image, text=f"Processing: {json_path.name}")
self.current_json_path = json_path self.current_json_path = json_path
self.current_meta = metadata
self.is_viewing = True self.is_viewing = True
self.root.lift() self.root.lift()
def on_enter(self, event): def on_enter(self, event):
if self.is_viewing: if self.is_viewing:
print("Next...") print(f"Committing data for {self.current_json_path.name}...")
# --- CRITICAL CHANGE: Re-read JSON here to capture user edits ---
try:
with open(self.current_json_path, 'r') as f:
current_data = json.load(f)
# Perform the conversion now, post-edit
converted_items = convert_list(
current_data["list"],
self.current_meta["part"],
self.current_meta["schema"]
)
# Add to accumulator
if self.accumulated_results:
self.accumulated_results["list"].extend(converted_items)
# Update name just in case (though usually consistent per group)
self.accumulated_results["name"] = current_data.get("name", self.accumulated_results["name"])
except Exception as e:
print(f"Error re-reading/saving {self.current_json_path}: {e}")
# Advance UI
self.is_viewing = False self.is_viewing = False
self.label.config(image="", text="Loading next...") self.label.config(image="", text="Loading next...")
def on_open_pdf(self, event):
if self.is_viewing and self.current_json_path:
pdf_path = self.current_json_path.with_suffix(".pdf")
print(f"Opening {pdf_path}")
subprocess.Popen(['xdg-open', str(pdf_path)])
def on_edit(self, event): def on_edit(self, event):
if self.is_viewing and self.current_json_path: if self.is_viewing and self.current_json_path:
print(f"Opening {self.current_json_path}") print(f"Opening {self.current_json_path}")
@ -197,63 +255,45 @@ class ImageViewer:
def on_click(self, event): def on_click(self, event):
if not self.is_viewing: return if not self.is_viewing: return
# Map click to original image coordinates
x = int(event.x / self.scale_factor) x = int(event.x / self.scale_factor)
y = int(event.y / self.scale_factor) y = int(event.y / self.scale_factor)
w, h = self.orig_size w, h = self.orig_size
# Create 10px box (5px radius)
# Coordinate format: [y_min, x_min, y_max, x_max] (0-1000 scale)
box = [ box = [
int(max(0, y - 5) / h * 1000), int(max(0, y - 5) / h * 1000),
int(max(0, x - 5) / (w- padding) * 1000), int(max(0, x - 5) / (w- padding) * 1000),
int(min(h, y + 5) / h * 1000), int(min(h, y + 5) / h * 1000),
int(min(w, x + 5) / (w - padding) * 1000), int(min(w, x + 5) / (w - padding) * 1000),
] ]
box_str = "{ \"box_2d\": " + str(box) + ", \"label\": \"\" }," box_str = "{ \"box_2d\": " + str(box) + ", \"label\": \"\" },"
print(f"Copied box at ({x},{y}): {box_str}") print(f"Copied box at ({x},{y}): {box_str}")
self.root.clipboard_clear() self.root.clipboard_clear()
self.root.clipboard_append(box_str) self.root.clipboard_append(box_str)
if __name__ == "__main__": if __name__ == "__main__":
if len(sys.argv) < 2: if len(sys.argv) < 2:
print("Usage: python plotting_gui.py <directory_or_file>") print("Usage: python plotting.py <directory_or_file>")
sys.exit(1) sys.exit(1)
input_path = Path(sys.argv[1]) input_path = Path(sys.argv[1])
files_to_process = [] files_to_process = []
if input_path.is_file(): if input_path.is_file():
# File mode
base_dir = input_path.parent base_dir = input_path.parent
stem = input_path.stem stem = input_path.stem
# Try to locate the image in Cutleft directory
img_path = base_dir / "Cutleft" / f"{stem}.jpg" img_path = base_dir / "Cutleft" / f"{stem}.jpg"
if not img_path.exists() and input_path.parent.name == "Cutleft":
# Fallback: Check if user provided the jpg inside Cutleft directly
if not img_path.exists() and input_path.parent.name == "Cutleft" and input_path.suffix.lower() == ".jpg":
base_dir = input_path.parent.parent base_dir = input_path.parent.parent
img_path = input_path img_path = input_path
if not img_path.exists(): if not img_path.exists():
print(f"Error: Could not find image at {img_path}") print(f"Error: Could not find image at {img_path}")
sys.exit(1) sys.exit(1)
files_to_process = [img_path] files_to_process = [img_path]
else: else:
# Directory mode
base_dir = input_path base_dir = input_path
cutleft_dir = base_dir / "Cutleft" cutleft_dir = base_dir / "Cutleft"
if not cutleft_dir.exists(): if not cutleft_dir.exists():
print(f"Error: {cutleft_dir} does not exist.") print(f"Error: {cutleft_dir} does not exist.")
sys.exit(1) sys.exit(1)
files_to_process = sorted(cutleft_dir.glob("*.jpg")) files_to_process = sorted(cutleft_dir.glob("*.jpg"))
try: try:
@ -261,12 +301,10 @@ if __name__ == "__main__":
except FileNotFoundError: except FileNotFoundError:
all_labels = [] all_labels = []
# Start Processing Thread
t = threading.Thread(target=worker_thread, args=(base_dir, files_to_process, all_labels)) t = threading.Thread(target=worker_thread, args=(base_dir, files_to_process, all_labels))
t.daemon = True # Kill thread if main app closes t.daemon = True
t.start() t.start()
# Start GUI
root = tk.Tk() root = tk.Tk()
app = ImageViewer(root, base_dir) app = ImageViewer(root, base_dir)
root.mainloop() root.mainloop()