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Jumped the gun about this too soon (yay undocumented APIs)

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This commit is contained in:
AuroraWright
2024-02-11 18:32:43 +01:00
parent 3b60ee8674
commit dd35140f76
10 changed files with 61 additions and 587 deletions
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6
README.md
View File

@@ -13,7 +13,7 @@ This has been tested with Python 3.11. Newer/older versions might work. It can b
- [EasyOCR](https://github.com/JaidedAI/EasyOCR): refer to the readme for installation ("e" key) - [EasyOCR](https://github.com/JaidedAI/EasyOCR): refer to the readme for installation ("e" key)
- [RapidOCR](https://github.com/RapidAI/RapidOCR): refer to the readme for installation ("r" key) - [RapidOCR](https://github.com/RapidAI/RapidOCR): refer to the readme for installation ("r" key)
- Apple Vision framework: this will work on macOS Ventura or later. In my experience, the best of the local providers for horizontal text ("a" key) - Apple Vision framework: this will work on macOS Ventura or later. In my experience, the best of the local providers for horizontal text ("a" key)
- Apple Live Text (VisionKit framework): this will work on macOS Ventura or later. It should be the same as Vision except that in Sonoma Apple added vertical text reading, on the other hand it's a bit slower/requires a small Swift helper tool to be downloaded (source code is in this repo, it's a stripped down version of LiTeX). ("d" key) - Apple Live Text (VisionKit framework): this will work on macOS Ventura or later. It should be the same as Vision except that in Sonoma Apple added vertical text reading ("d" key)
- WinRT OCR: this will work on Windows 10 or later if winocr (`pip install winocr`) is installed. It can also be used by installing winocr on a Windows virtual machine and running the server (`winocr_serve`), installing requests (`pip install requests`) and specifying the IP address of the Windows VM/machine in the config file (see below) ("w" key) - WinRT OCR: this will work on Windows 10 or later if winocr (`pip install winocr`) is installed. It can also be used by installing winocr on a Windows virtual machine and running the server (`winocr_serve`), installing requests (`pip install requests`) and specifying the IP address of the Windows VM/machine in the config file (see below) ("w" key)
## Cloud providers ## Cloud providers
@@ -40,9 +40,9 @@ However:
# Acknowledgments # Acknowledgments
This uses code from/references these projects: This uses code from/references these projects:
- Viola for working on the Google Lens implementation and helping with the (shelved) pyobjc VisionKit code! - Viola for working on the Google Lens implementation and helping with the pyobjc VisionKit code!
- @ronaldoussoren for helping with the pyobjc VisionKit code
- [Manga OCR](https://github.com/kha-white/manga-ocr) - [Manga OCR](https://github.com/kha-white/manga-ocr)
- [ocrmac](https://github.com/straussmaximilian/ocrmac) for the Apple Vision framework API - [ocrmac](https://github.com/straussmaximilian/ocrmac) for the Apple Vision framework API
- [NadeOCR](https://github.com/Natsume-197/NadeOCR) for the Google Vision API - [NadeOCR](https://github.com/Natsume-197/NadeOCR) for the Google Vision API
- [ccylin2000_lipboard_monitor](https://github.com/vaimalaviya1233/ccylin2000_lipboard_monitor) for the Windows clipboard polling code - [ccylin2000_lipboard_monitor](https://github.com/vaimalaviya1233/ccylin2000_lipboard_monitor) for the Windows clipboard polling code
- [LiTeX](https://github.com/Shakshi3104/LiTeX) for the Swift Live Text helper

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livetexthelper
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21
livetexthelper_src/LICENSE
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@@ -1,21 +0,0 @@
MIT License
Copyright (c) 2023 Shakshi3104
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

58
livetexthelper_src/LiTeX/LiveTextCLI.swift
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@@ -1,58 +0,0 @@
import Foundation
import Cocoa
import VisionKit
class StandardError: TextOutputStream {
func write(_ string: String) {
try! FileHandle.standardError.write(contentsOf: Data(string.utf8))
}
}
@main
struct Litex {
static var stderr = StandardError()
static func main() async throws {
try? await recognize()
}
static func recognize() async throws {
if #available(macOS 13.0, *) {
if let inputData = try? FileHandle.standardInput.readToEnd() {
if let image = NSImage(data: inputData) {
try? await recognizeTextByLiveText(inputimage: image)
}
}
}
}
@available(macOS 13, *)
static func recognizeTextByLiveText(inputimage: NSImage) async throws {
// if not supported
if !ImageAnalyzer.isSupported {
print("Live Text is not supported", to: &stderr)
return
}
// setup ImageAnalyzer
var configuration = ImageAnalyzer.Configuration([.text])
configuration.locales = ["ja","en"]
let analyzer = ImageAnalyzer()
// analyze the image
let analysis = try? await analyzer.analyze(inputimage,
orientation: .up,
configuration: configuration)
// output results
if let analysis {
if analysis.hasResults(for: .text) {
print(analysis.transcript)
} else {
print("")
}
}
else {
print("Unknown error", to: &stderr)
}
}
}

293
livetexthelper_src/litex.xcodeproj/project.pbxproj
View File

@@ -1,293 +0,0 @@
// !$*UTF8*$!
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archiveVersion = 1;
classes = {
};
objectVersion = 56;
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files = (
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files = (
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runOnlyForDeploymentPostprocessing = 0;
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/* End PBXFrameworksBuildPhase section */
/* Begin PBXGroup section */
CE68ABA8291F4FD1005BB9AC = {
isa = PBXGroup;
children = (
CE68ABB3291F4FD1005BB9AC /* LiTeX */,
);
sourceTree = "<group>";
};
CE68ABB3291F4FD1005BB9AC /* LiTeX */ = {
isa = PBXGroup;
children = (
CE68ABB4291F4FD1005BB9AC /* LiveTextCLI.swift */,
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sourceTree = "<group>";
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/* End PBXGroup section */
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buildConfigurationList = CE68ABB8291F4FD1005BB9AC /* Build configuration list for PBXNativeTarget "litex" */;
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MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
MTL_FAST_MATH = YES;
ONLY_ACTIVE_ARCH = YES;
SDKROOT = macosx;
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CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
CLANG_WARN_STRICT_PROTOTYPES = YES;
CLANG_WARN_SUSPICIOUS_MOVE = YES;
CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
CLANG_WARN_UNREACHABLE_CODE = YES;
CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
COPY_PHASE_STRIP = NO;
DEAD_CODE_STRIPPING = YES;
DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
ENABLE_NS_ASSERTIONS = NO;
ENABLE_STRICT_OBJC_MSGSEND = YES;
ENABLE_USER_SCRIPT_SANDBOXING = YES;
GCC_C_LANGUAGE_STANDARD = gnu11;
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GCC_WARN_UNDECLARED_SELECTOR = YES;
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GCC_WARN_UNUSED_VARIABLE = YES;
MACOSX_DEPLOYMENT_TARGET = 13.0;
MTL_ENABLE_DEBUG_INFO = NO;
MTL_FAST_MATH = YES;
SDKROOT = macosx;
SWIFT_ACTIVE_COMPILATION_CONDITIONS = RELEASE;
SWIFT_COMPILATION_MODE = wholemodule;
SWIFT_OPTIMIZATION_LEVEL = "-O";
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name = Release;
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DEAD_CODE_STRIPPING = YES;
DEVELOPMENT_TEAM = LUZK6JBS9B;
ENABLE_HARDENED_RUNTIME = YES;
MACOSX_DEPLOYMENT_TARGET = 12.0;
PRODUCT_NAME = "$(TARGET_NAME)";
SWIFT_VERSION = 5.0;
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name = Debug;
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DEAD_CODE_STRIPPING = YES;
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7
livetexthelper_src/litex.xcodeproj/project.xcworkspace/contents.xcworkspacedata generated
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@@ -1,7 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Workspace
version = "1.0">
<FileRef
location = "self:">
</FileRef>
</Workspace>

8
livetexthelper_src/litex.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
View File

@@ -1,8 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>IDEDidComputeMac32BitWarning</key>
<true/>
</dict>
</plist>

85
livetexthelper_src/litex.xcodeproj/xcshareddata/xcschemes/LiveTextPlayground.xcscheme
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@@ -1,85 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
LastUpgradeVersion = "1520"
version = "1.3">
<BuildAction
parallelizeBuildables = "YES"
buildImplicitDependencies = "YES">
<BuildActionEntries>
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buildForRunning = "YES"
buildForProfiling = "YES"
buildForArchiving = "YES"
buildForAnalyzing = "YES">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "CE68ABB0291F4FD1005BB9AC"
BuildableName = "litex"
BlueprintName = "litex"
ReferencedContainer = "container:litex.xcodeproj">
</BuildableReference>
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</BuildActionEntries>
</BuildAction>
<TestAction
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allowLocationSimulation = "YES"
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<CommandLineArguments>
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isEnabled = "YES">
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85
livetexthelper_src/litex.xcodeproj/xcshareddata/xcschemes/Release.xcscheme
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@@ -1,85 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
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</BuildableReference>
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shouldUseLaunchSchemeArgsEnv = "YES">
<Testables>
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</TestAction>
<LaunchAction
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selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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useCustomWorkingDirectory = "NO"
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allowLocationSimulation = "YES"
viewDebuggingEnabled = "No">
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83
owocr/ocr.py
View File

@@ -22,7 +22,8 @@ except ImportError:
try: try:
import Vision import Vision
import objc import objc
from subprocess import Popen, PIPE, STDOUT from AppKit import NSData, NSImage, NSBundle
from PyObjCTools.AppHelper import runConsoleEventLoop, stopEventLoop
except ImportError: except ImportError:
pass pass
@@ -280,12 +281,10 @@ class AppleVision:
if success[0]: if success[0]:
for result in req.results(): for result in req.results():
res += result.text() + '\n' res += result.text() + '\n'
req.dealloc()
x = (True, res) x = (True, res)
else: else:
x = (False, 'Unknown error!') x = (False, 'Unknown error!')
handler.dealloc()
return x return x
def _preprocess(self, img): def _preprocess(self, img):
@@ -300,24 +299,41 @@ class AppleLiveText:
def __init__(self): def __init__(self):
if sys.platform != 'darwin': if sys.platform != 'darwin':
logger.warning('Apple Vision is not supported on non-macOS platforms!') logger.warning('Apple Live Text is not supported on non-macOS platforms!')
elif int(platform.mac_ver()[0].split('.')[0]) < 13: elif int(platform.mac_ver()[0].split('.')[0]) < 13:
logger.warning('Apple Vision is not supported on macOS older than Ventura/13.0!') logger.warning('Apple Live Text is not supported on macOS older than Ventura/13.0!')
else: else:
self.helper_executable = os.path.join(os.path.expanduser('~'),'.cache','livetexthelper') objc.loadBundle('VisionKit', globals(), '/System/Library/Frameworks/VisionKit.framework')
if not os.path.isfile(self.helper_executable): objc.registerMetaDataForSelector(
logger.info('Downloading helper executable ' + self.helper_executable) b'VKCImageAnalyzer',
try: b'processRequest:progressHandler:completionHandler:',
cache_folder = os.path.join(os.path.expanduser('~'),'.cache') {
if not os.path.isdir(cache_folder): 'arguments': {
os.makedirs(cache_folder) 3: {
urllib.request.urlretrieve('https://github.com/AuroraWright/owocr/raw/master/livetexthelper', self.helper_executable) 'callable': {
mode = os.stat(self.helper_executable).st_mode 'retval': {'type': b'v'},
mode |= (mode & 0o444) >> 2 'arguments': {
os.chmod(self.helper_executable, mode) 0: {'type': b'^v'},
except: 1: {'type': b'd'},
logger.warning('Download failed. Apple Live Text will not work!') }
return }
},
4: {
'callable': {
'retval': {'type': b'v'},
'arguments': {
0: {'type': b'^v'},
1: {'type': b'@'},
2: {'type': b'@'},
}
}
}
}
}
)
app_info = NSBundle.mainBundle().infoDictionary()
app_info['LSBackgroundOnly'] = '1'
self.analyzer = VKCImageAnalyzer.alloc().init()
self.available = True self.available = True
logger.info('Apple Live Text ready') logger.info('Apple Live Text ready')
@@ -329,15 +345,30 @@ class AppleLiveText:
else: else:
raise ValueError(f'img_or_path must be a path or PIL.Image, instead got: {img_or_path}') raise ValueError(f'img_or_path must be a path or PIL.Image, instead got: {img_or_path}')
process = Popen([self.helper_executable], stdout=PIPE, stdin=PIPE, stderr=PIPE) req = VKCImageAnalyzerRequest.alloc().initWithImage_requestType_(self._preprocess(img), 1)
stdout, stderr = process.communicate(input=self._preprocess(img)) req.setLocales_(['ja','en'])
stdout = stdout.decode().rstrip() self.result = None
if stdout == '': self.analyzer.processRequest_progressHandler_completionHandler_(req, lambda progress: None, self._process)
return (False, stderr.decode().rstrip()) runConsoleEventLoop()
return (True, stdout)
if not self.result:
return (False, 'Unknown error!')
return (True, self.result)
def _process(self, analysis, error):
res = ''
lines = analysis.allLines()
if lines:
for line in lines:
res += line.string() + '\n'
self.result = res
stopEventLoop()
def _preprocess(self, img): def _preprocess(self, img):
return pil_image_to_bytes(img, 'tiff') image_bytes = pil_image_to_bytes(img, 'tiff')
ns_data = NSData.dataWithBytes_length_(image_bytes, len(image_bytes))
ns_image = NSImage.alloc().initWithData_(ns_data)
return ns_image
class WinRTOCR: class WinRTOCR: