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#!/usr/bin/python3
"""
Provides a GUI that displays, for each node in the database, associated
images from EOL and Wikipedia, and allows choosing which to use. Writes
choice data to a text file with lines of the form 'otolId1 imgPath1', or
'otolId1', where no path indicates a choice of no image.
The program can be closed, and run again to continue from the last choice.
The program looks for an existing output file to determine what choices
have already been made.
"""
import os, time
import sqlite3
import tkinter as tki
from tkinter import ttk
import PIL
from PIL import ImageTk, Image, ImageOps
EOL_IMG_DIR = os.path.join('eol', 'imgs')
ENWIKI_IMG_DIR = os.path.join('enwiki', 'imgs')
DB_FILE = 'data.db'
OUT_FILE = 'img_list.txt'
#
IMG_DISPLAY_SZ = 400
PLACEHOLDER_IMG = Image.new('RGB', (IMG_DISPLAY_SZ, IMG_DISPLAY_SZ), (88, 28, 135))
REVIEW = 'only pairs' # Can be: 'all', 'only pairs', 'none'
class ImgReviewer:
""" Provides the GUI for reviewing images """
def __init__(self, root, nodeToImgs, eolImgDir, enwikiImgDir, outFile, dbCon, review):
self.root = root
root.title('Image Reviewer')
# Setup main frame
mainFrame = ttk.Frame(root, padding='5 5 5 5')
mainFrame.grid(column=0, row=0, sticky=(tki.N, tki.W, tki.E, tki.S))
root.columnconfigure(0, weight=1)
root.rowconfigure(0, weight=1)
# Set up images-to-be-reviewed frames
self.eolImg = ImageTk.PhotoImage(PLACEHOLDER_IMG)
self.enwikiImg = ImageTk.PhotoImage(PLACEHOLDER_IMG)
self.labels: list[ttk.Label] = []
for i in (0, 1):
frame = ttk.Frame(mainFrame, width=IMG_DISPLAY_SZ, height=IMG_DISPLAY_SZ)
frame.grid(column=i, row=0)
label = ttk.Label(frame, image=self.eolImg if i == 0 else self.enwikiImg)
label.grid(column=0, row=0)
self.labels.append(label)
# Add padding
for child in mainFrame.winfo_children():
child.grid_configure(padx=5, pady=5)
# Add keyboard bindings
root.bind('<q>', self.quit)
root.bind('<Key-j>', lambda evt: self.accept(0))
root.bind('<Key-k>', lambda evt: self.accept(1))
root.bind('<Key-l>', lambda evt: self.reject())
# Set fields
self.nodeImgsList = list(nodeToImgs.items())
self.listIdx = -1
self.eolImgDir = eolImgDir
self.enwikiImgDir = enwikiImgDir
self.outFile = outFile
self.review = review
self.dbCon = dbCon
self.dbCur = dbCon.cursor()
self.otolId = None
self.eolImgPath = None
self.enwikiImgPath = None
self.numReviewed = 0
self.startTime = time.time()
# Initialise images to review
self.getNextImgs()
def getNextImgs(self):
""" Updates display with new images to review, or ends program """
# Get next image paths
while True:
self.listIdx += 1
if self.listIdx == len(self.nodeImgsList):
print('No more images to review. Exiting program.')
self.quit()
return
self.otolId, imgPaths = self.nodeImgsList[self.listIdx]
# Potentially skip user choice
if len(imgPaths) == 1 and (self.review == 'only pairs' or self.review == 'none'):
with open(self.outFile, 'a') as file:
file.write(f'{self.otolId} {imgPaths[0]}\n')
continue
elif self.review == 'none':
with open(self.outFile, 'a') as file:
file.write(f'{self.otolId} {imgPaths[-1]}\n') # Prefer enwiki image
continue
break
# Update displayed images
self.eolImgPath = self.enwikiImgPath = None
imageOpenError = False
for imgPath in imgPaths:
img: Image
try:
img = Image.open(imgPath)
img = ImageOps.exif_transpose(img)
except PIL.UnidentifiedImageError:
print(f'UnidentifiedImageError for {imgPath}')
imageOpenError = True
continue
if imgPath.startswith(self.eolImgDir):
self.eolImgPath = imgPath
self.eolImg = ImageTk.PhotoImage(self.resizeImgForDisplay(img))
elif imgPath.startswith(self.enwikiImgDir):
self.enwikiImgPath = imgPath
self.enwikiImg = ImageTk.PhotoImage(self.resizeImgForDisplay(img))
else:
print(f'Unexpected image path {imgPath}')
self.quit()
return
# Re-iterate if all image paths invalid
if self.eolImgPath is None and self.enwikiImgPath is None:
if imageOpenError:
self.reject()
self.getNextImgs()
return
# Add placeholder images
if self.eolImgPath is None:
self.eolImg = ImageTk.PhotoImage(self.resizeImgForDisplay(PLACEHOLDER_IMG))
elif self.enwikiImgPath is None:
self.enwikiImg = ImageTk.PhotoImage(self.resizeImgForDisplay(PLACEHOLDER_IMG))
# Update image-frames
self.labels[0].config(image=self.eolImg)
self.labels[1].config(image=self.enwikiImg)
# Update title
title = f'Images for otol ID {self.otolId}'
query = 'SELECT names.alt_name FROM' \
' nodes INNER JOIN names ON nodes.name = names.name' \
' WHERE nodes.id = ? and pref_alt = 1'
row = self.dbCur.execute(query, (self.otolId,)).fetchone()
if row is not None:
title += f', aka {row[0]}'
title += f' ({self.listIdx + 1} out of {len(self.nodeImgsList)})'
self.root.title(title)
def accept(self, imgIdx):
""" React to a user selecting an image """
imgPath = self.eolImgPath if imgIdx == 0 else self.enwikiImgPath
if imgPath is None:
print('Invalid selection')
return
with open(self.outFile, 'a') as file:
file.write(f'{self.otolId} {imgPath}\n')
self.numReviewed += 1
self.getNextImgs()
def reject(self):
""""" React to a user rejecting all images of a set """
with open(self.outFile, 'a') as file:
file.write(f'{self.otolId}\n')
self.numReviewed += 1
self.getNextImgs()
def quit(self, e = None):
print(f'Number reviewed: {self.numReviewed}')
timeElapsed = time.time() - self.startTime
print(f'Time elapsed: {timeElapsed:.2f} seconds')
if self.numReviewed > 0:
print(f'Avg time per review: {timeElapsed/self.numReviewed:.2f} seconds')
self.dbCon.close()
self.root.destroy()
def resizeImgForDisplay(self, img):
""" Returns a copy of an image, shrunk to fit it's frame (keeps aspect ratio), and with a background """
if max(img.width, img.height) > IMG_DISPLAY_SZ:
if (img.width > img.height):
newHeight = int(img.height * IMG_DISPLAY_SZ/img.width)
img = img.resize((IMG_DISPLAY_SZ, newHeight))
else:
newWidth = int(img.width * IMG_DISPLAY_SZ / img.height)
img = img.resize((newWidth, IMG_DISPLAY_SZ))
bgImg = PLACEHOLDER_IMG.copy()
bgImg.paste(img, box=(
int((IMG_DISPLAY_SZ - img.width) / 2),
int((IMG_DISPLAY_SZ - img.height) / 2)))
return bgImg
def reviewImgs(eolImgDir: str, enwikiImgDir: str, dbFile: str, outFile: str, review: str) -> None:
print('Opening database')
dbCon = sqlite3.connect(dbFile)
dbCur = dbCon.cursor()
#
nodeToImgs: dict[str, list[str]] = {} # Maps otol-ids to arrays of image paths
print('Iterating through images from EOL')
if os.path.exists(eolImgDir):
for filename in os.listdir(eolImgDir):
# Get associated EOL ID
eolId, _, _ = filename.partition(' ')
query = 'SELECT nodes.id FROM nodes INNER JOIN eol_ids ON nodes.name = eol_ids.name WHERE eol_ids.id = ?'
# Get associated node IDs
found = False
for (otolId,) in dbCur.execute(query, (int(eolId),)):
if otolId not in nodeToImgs:
nodeToImgs[otolId] = []
nodeToImgs[otolId].append(os.path.join(eolImgDir, filename))
found = True
if not found:
print(f'WARNING: No node found for {os.path.join(eolImgDir, filename)}')
print(f'Result: {len(nodeToImgs)} nodes with images')
print('Iterating through images from Wikipedia')
if os.path.exists(enwikiImgDir):
for filename in os.listdir(enwikiImgDir):
# Get associated page ID
wikiId, _, _ = filename.partition('.')
# Get associated node IDs
query = 'SELECT nodes.id FROM nodes INNER JOIN wiki_ids ON nodes.name = wiki_ids.name WHERE wiki_ids.id = ?'
found = False
for (otolId,) in dbCur.execute(query, (int(wikiId),)):
if otolId not in nodeToImgs:
nodeToImgs[otolId] = []
nodeToImgs[otolId].append(os.path.join(enwikiImgDir, filename))
found = True
if not found:
print(f'WARNING: No node found for {os.path.join(enwikiImgDir, filename)}')
print(f'Result: {len(nodeToImgs)} nodes with images')
#
print('Filtering out already-made image choices')
oldSz = len(nodeToImgs)
if os.path.exists(outFile):
with open(outFile) as file:
for line in file:
line = line.rstrip()
if ' ' in line:
line = line[:line.find(' ')]
del nodeToImgs[line]
print(f'Filtered out {oldSz - len(nodeToImgs)} entries')
#
# Create GUI and defer control
print('Starting GUI')
root = tki.Tk()
ImgReviewer(root, nodeToImgs, eolImgDir, enwikiImgDir, outFile, dbCon, review)
root.mainloop()
dbCon.close()
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter)
parser.parse_args()
#
reviewImgs(EOL_IMG_DIR, ENWIKI_IMG_DIR, DB_FILE, OUT_FILE, REVIEW)
|
