如何從 Xcode 項目中刪除未使用的圖像

Question

我正在點擊此鏈接從 xcode 項目中查找未使用的圖像，但它們對我來說效果不佳。 我嘗試了 Rob 的回答和 Roman 的回答，但他們給了我所有的 png 圖像。 我嘗試使用該工具，它還為我提供了所有 png 圖像

編輯

我使用腳本的方式
1）我復制腳本並將其粘貼到終端中，然后按 Enter 鍵。

2) 將腳本保存在 txt 文件中，然后在終端中輸入sh myscript.txt

Answer 1

我正在按照此鏈接從 xcode 項目中查找未使用的圖像，但它們對我來說效果不佳。 我嘗試了 Rob 的回答和 Roman 的回答，但他們給了我所有的 png 圖像。 我嘗試使用該工具，它還為我提供了所有 png 圖像

編輯

我使用腳本的方式
1）我復制腳本並將其粘貼到終端中，然后按 Enter。

2) 將腳本保存在 txt 文件中，然后在終端中輸入sh myscript.txt

Answer 2

我已經創建了一個 python 腳本來識別swift項目中未使用的圖像： 'unused_assets.py'@gist ，它可以很容易地針對您的 objective-c 項目進行調整。

該腳本可以這樣使用：

python3 unused_assets.py '/Users/DevK/MyProject' '/Users/DevK/MyProject/MyProject/Assets/Assets.xcassets'

以下是使用該腳本的一些規則：

• 將項目文件夾路徑作為第一個參數傳遞，將資產文件夾路徑作為第二個參數傳遞很重要
• 假定所有圖像都保存在 Assets.xcassets 文件夾中，並在 swift/objective-c 文件或故事板中使用

第一版的限制：

• 不適用於目標 c 文件，但可以進行調整以實現下面代碼中注釋中指定的預期行為

隨着時間的推移，我會根據反饋嘗試改進它，但是第一個版本應該適合大多數人。

這是代碼。 我試圖通過為每個重要步驟添加適當的注釋來使代碼不言自明，如果您還需要更多詳細信息，請告訴我。

# Usage e.g.: python3 unused_assets.py '/Users/DevK/MyProject' '/Users/DevK/MyProject/MyProject/Assets/Assets.xcassets'
# It is important to pass project folder path as first argument, assets folder path as second argument
# It is assumed that all the images are maintained within Assets.xcassets folder and are used either within swift files or within storyboards

"""
@author = "Devarshi Kulshreshtha"
@copyright = "Copyright 2020, Devarshi Kulshreshtha"
@license = "GPL"
@version = "1.0.1"
@contact = "kulshreshtha.devarshi@gmail.com"
"""

import sys
import glob
from pathlib import Path
import mmap
import os
import time

# obtain start time
start = time.time()

arguments = sys.argv

# pass project folder path as argument 1
projectFolderPath = arguments[1].replace("\\", "") # replacing backslash with space
# pass assets folder path as argument 2
assetsPath = arguments[2].replace("\\", "") # replacing backslash with space

print(f"assetsPath: {assetsPath}")
print(f"projectFolderPath: {projectFolderPath}")

# obtain all assets / images 
# obtain paths for all assets

assetsSearchablePath = assetsPath + '/**/*.imageset'  #alternate way to append: fr"{assetsPath}/**/*.imageset"
print(f"assetsSearchablePath: {assetsSearchablePath}")

imagesNameCountDict = {} # empty dict to store image name as key and occurrence count
for imagesetPath in glob.glob(assetsSearchablePath, recursive=True):
    # storing the image name as encoded so that we save some time later during string search in file 
    encodedImageName = str.encode(Path(imagesetPath).stem)
    # initializing occurrence count as 0
    imagesNameCountDict[encodedImageName] = 0

print("Names of all assets obtained")

# search images in swift files
# obtain paths for all swift files

# For objective-c project, change '/**/*.swift' to '/**/*.m' 
swiftFilesSearchablePath = projectFolderPath + '/**/*.swift' #alternate way to append: fr"{projectFolderPath}/**/*.swift"
print(f"swiftFilesSearchablePath: {swiftFilesSearchablePath}")

for swiftFilePath in glob.glob(swiftFilesSearchablePath, recursive=True):
    with open(swiftFilePath, 'rb', 0) as file, \
        mmap.mmap(file.fileno(), 0, access=mmap.ACCESS_READ) as s:
        # search all the assests within the swift file
        for encodedImageName in imagesNameCountDict:
            # file search
            if s.find(encodedImageName) != -1:
                # updating occurrence count, if found 
                imagesNameCountDict[encodedImageName] += 1

print("Images searched in all swift files!")

# search images in storyboards
# obtain path for all storyboards

storyboardsSearchablePath = projectFolderPath + '/**/*.storyboard' #alternate way to append: fr"{projectFolderPath}/**/*.storyboard"
print(f"storyboardsSearchablePath: {storyboardsSearchablePath}")
for storyboardPath in glob.glob(storyboardsSearchablePath, recursive=True):
    with open(storyboardPath, 'rb', 0) as file, \
        mmap.mmap(file.fileno(), 0, access=mmap.ACCESS_READ) as s:
        # search all the assests within the storyboard file
        for encodedImageName in imagesNameCountDict:
            # file search
            if s.find(encodedImageName) != -1:
                # updating occurrence count, if found
                imagesNameCountDict[encodedImageName] += 1

print("Images searched in all storyboard files!")
print("Here is the list of unused assets:")

# printing all image names, for which occurrence count is 0
print('\n'.join({encodedImageName.decode("utf-8", "strict") for encodedImageName, occurrenceCount in imagesNameCountDict.items() if occurrenceCount == 0}))

print(f"Done in {time.time() - start} seconds!")