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
|
#!/usr/bin/python3
import sys, re, os, time
import sqlite3
import tkinter as tki
from tkinter import ttk
import PIL
from PIL import ImageTk, Image, ImageOps
usageInfo = f"usage: {sys.argv[0]}\n"
usageInfo += "Provides a GUI for reviewing images. Looks in a for-review directory for\n"
usageInfo += "images named 'eolId1 contentId1.ext1', and, for each EOL ID, enables the user to\n"
usageInfo += "choose an image to keep, or reject all. Also provides image rotation.\n"
usageInfo += "Chosen images are placed in another directory, and rejected ones are deleted.\n"
if len(sys.argv) > 1:
print(usageInfo, file=sys.stderr)
sys.exit(1)
imgDir = "imgsForReview/"
outDir = "imgsReviewed/"
dbFile = "data.db"
IMG_DISPLAY_SZ = 400
MAX_IMGS_PER_ID = 3
PLACEHOLDER_IMG = Image.new("RGB", (IMG_DISPLAY_SZ, IMG_DISPLAY_SZ), (88, 28, 135))
# Create output directory if not present
if not os.path.exists(outDir):
os.mkdir(outDir)
# Get images for review
print("Reading input image list")
imgList = os.listdir(imgDir)
imgList.sort(key=lambda s: int(s.split(" ")[0]))
if len(imgList) == 0:
print("No input images found", file=sys.stderr)
sys.exit(1)
# Open db
dbCon = sqlite3.connect(dbFile)
dbCur = dbCon.cursor()
class EolImgReviewer:
""" Provides the GUI for reviewing images """
def __init__(self, root, imgList):
self.root = root
root.title("EOL 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.imgs = [PLACEHOLDER_IMG] * MAX_IMGS_PER_ID # Stored as fields for use in rotation
self.photoImgs = list(map(lambda img: ImageTk.PhotoImage(img), self.imgs)) # Image objects usable by tkinter
# These need a persistent reference for some reason (doesn't display otherwise)
self.labels = []
for i in range(MAX_IMGS_PER_ID):
frame = ttk.Frame(mainFrame, width=IMG_DISPLAY_SZ, height=IMG_DISPLAY_SZ)
frame.grid(column=i, row=0)
label = ttk.Label(frame, image=self.photoImgs[i])
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 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.accept(2))
root.bind("<Key-i>", lambda evt: self.reject())
root.bind("<Key-a>", lambda evt: self.rotate(0))
root.bind("<Key-s>", lambda evt: self.rotate(1))
root.bind("<Key-d>", lambda evt: self.rotate(2))
root.bind("<Key-A>", lambda evt: self.rotate(0, True))
root.bind("<Key-S>", lambda evt: self.rotate(1, True))
root.bind("<Key-D>", lambda evt: self.rotate(2, True))
# Initialise images to review
self.imgList = imgList
self.imgListIdx = 0
self.nextEolId = 0
self.nextImgNames = []
self.rotations = []
self.getNextImgs()
# For more info
self.numReviewed = 0
self.startTime = time.time()
def getNextImgs(self):
""" Updates display with new images to review, or ends program """
# Gather names of next images to review
for i in range(MAX_IMGS_PER_ID):
if self.imgListIdx == len(self.imgList):
if i == 0:
self.quit()
return
break
imgName = self.imgList[self.imgListIdx]
eolId = int(re.match(r"(\d+) (\d+)", imgName).group(1))
if i == 0:
self.nextEolId = eolId
self.nextImgNames = [imgName]
self.rotations = [0]
else:
if self.nextEolId != eolId:
break
self.nextImgNames.append(imgName)
self.rotations.append(0)
self.imgListIdx += 1
# Update displayed images
idx = 0
while idx < MAX_IMGS_PER_ID:
if idx < len(self.nextImgNames):
try:
img = Image.open(imgDir + self.nextImgNames[idx])
img = ImageOps.exif_transpose(img)
except PIL.UnidentifiedImageError:
os.remove(imgDir + self.nextImgNames[idx])
del self.nextImgNames[idx]
del self.rotations[idx]
continue
self.imgs[idx] = self.resizeForDisplay(img)
else:
self.imgs[idx] = PLACEHOLDER_IMG
self.photoImgs[idx] = ImageTk.PhotoImage(self.imgs[idx])
self.labels[idx].config(image=self.photoImgs[idx])
idx += 1
# Restart if all image files non-recognisable
if len(self.nextImgNames) == 0:
self.getNextImgs()
return
# Update title
firstImgIdx = self.imgListIdx - len(self.nextImgNames) + 1
lastImgIdx = self.imgListIdx
query = "SELECT eol_ids.id, names.alt_name, names.pref_alt FROM" \
" names INNER JOIN eol_ids ON eol_ids.name = names.name" \
" WHERE id = ? and pref_alt = 1"
row = dbCur.execute(query, (self.nextEolId,)).fetchone()
if row != None:
commonName = row[1]
self.root.title("Reviewing EOL ID {}, aka \"{}\" (imgs {} to {} out of {})".format(
self.nextEolId, commonName, firstImgIdx, lastImgIdx, len(self.imgList)))
else:
self.root.title("Reviewing EOL ID {} (imgs {} to {} out of {})".format(
self.nextEolId, firstImgIdx, lastImgIdx, len(self.imgList)))
def accept(self, imgIdx):
""" React to a user selecting an image """
if imgIdx >= len(self.nextImgNames):
print("Invalid selection")
return
for i in range(len(self.nextImgNames)):
inFile = imgDir + self.nextImgNames[i]
if i == imgIdx: # Move accepted image, rotating if needed
outFile = outDir + self.nextImgNames[i]
img = Image.open(inFile)
img = ImageOps.exif_transpose(img)
if self.rotations[i] != 0:
img = img.rotate(self.rotations[i], expand=True)
img.save(outFile)
os.remove(inFile)
else: # Delete non-accepted image
os.remove(inFile)
self.numReviewed += 1
self.getNextImgs()
def reject(self):
""" React to a user rejecting all images of a set """
for i in range(len(self.nextImgNames)):
os.remove(imgDir + self.nextImgNames[i])
self.numReviewed += 1
self.getNextImgs()
def rotate(self, imgIdx, anticlockwise = False):
""" Respond to a user rotating an image """
deg = -90 if not anticlockwise else 90
self.imgs[imgIdx] = self.imgs[imgIdx].rotate(deg)
self.photoImgs[imgIdx] = ImageTk.PhotoImage(self.imgs[imgIdx])
self.labels[imgIdx].config(image=self.photoImgs[imgIdx])
self.rotations[imgIdx] = (self.rotations[imgIdx] + deg) % 360
def quit(self, e = None):
print("Number reviewed: {}".format(self.numReviewed))
timeElapsed = time.time() - self.startTime
print("Time elapsed: {:.2f} seconds".format(timeElapsed))
if self.numReviewed > 0:
print("Avg time per review: {:.2f} seconds".format(timeElapsed / self.numReviewed))
dbCon.close()
self.root.destroy()
def resizeForDisplay(self, img):
""" Returns a copy of an image, shrunk to fit the display (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
# Create GUI and defer control
root = tki.Tk()
EolImgReviewer(root, imgList)
root.mainloop()
|
