Python3.6 tesserocrのインストールで発生した問題

1、tesserocrのインストールエラー

pip3 install tesserocr pillow

誤報

ERROR: Command errored out with exit status 1:
     command: 'd:\programfiles\development\python\python36\python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\hasee\\AppData\\Local\\Temp\\pip-install-4nbm_b4s\\tesserocr\\setup.py'"'"'; __file__='"'"'C:\\Users\\hasee\\AppData\\Local\\Temp\\pip-install-4nbm_b4s\\tesserocr\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r
'"'"', '"'"'
'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base pip-egg-info
         cwd: C:\Users\hasee\AppData\Local\Temp\pip-install-4nbm_b4s\tesserocr\
    Complete output (165 lines):
    Supporting tesseract v3.05.01
    Building with configs: {'libraries': ['tesseract', 'lept'], 'cython_compile_time_env': {'TESSERACT_VERSION': 50659584}}
    Compiling C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Plex\Scanners.py because it changed.
    Compiling C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Plex\Actions.py because it changed.
    Compiling C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Compiler\Scanning.py because it changed.
    Compiling C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Compiler\Visitor.py because it changed.
    Compiling C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Compiler\FlowControl.py because it changed.
    Compiling C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Runtime\refnanny.pyx because it changed.
    Compiling C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Compiler\FusedNode.py because it changed.
    Compiling C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Tempita\_tempita.py because it changed.
    [1/8] Cythonizing C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Compiler\FlowControl.py
    [2/8] Cythonizing C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Compiler\FusedNode.py
    [3/8] Cythonizing C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Compiler\Scanning.py
    [4/8] Cythonizing C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Compiler\Visitor.py
    [5/8] Cythonizing C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Plex\Actions.py
    [6/8] Cythonizing C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Plex\Scanners.py
    [7/8] Cythonizing C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Runtime\refnanny.pyx
    [8/8] Cythonizing C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\Cython\Tempita\_tempita.py
    Unable to find pgen, not compiling formal grammar.
    warning: no files found matching 'Doc\*'
    warning: no files found matching '*.pyx' under directory 'Cython\Debugger\Tests'
    warning: no files found matching '*.pxd' under directory 'Cython\Debugger\Tests'
    warning: no files found matching '*.pxd' under directory 'Cython\Utility'
    warning: no files found matching 'pyximport\README'
    Traceback (most recent call last):
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\msvc.py", line 477, in __init__
        self.vc_ver = self.find_available_vc_vers()[-1]
    IndexError: list index out of range

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "d:\programfiles\development\python\python36\lib\distutils\core.py", line 148, in setup
        dist.run_commands()
      File "d:\programfiles\development\python\python36\lib\distutils\dist.py", line 955, in run_commands
        self.run_command(cmd)
      File "d:\programfiles\development\python\python36\lib\distutils\dist.py", line 974, in run_command
        cmd_obj.run()
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\command\bdist_egg.py", line 161, in run
        cmd = self.call_command('install_lib', warn_dir=0)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\command\bdist_egg.py", line 147, in call_command
        self.run_command(cmdname)
      File "d:\programfiles\development\python\python36\lib\distutils\cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "d:\programfiles\development\python\python36\lib\distutils\dist.py", line 974, in run_command
        cmd_obj.run()
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\command\install_lib.py", line 11, in run
        self.build()
      File "d:\programfiles\development\python\python36\lib\distutils\command\install_lib.py", line 107, in build
        self.run_command('build_ext')
      File "d:\programfiles\development\python\python36\lib\distutils\cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "d:\programfiles\development\python\python36\lib\distutils\dist.py", line 974, in run_command
        cmd_obj.run()
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\command\build_ext.py", line 75, in run
        _build_ext.run(self)
      File "d:\programfiles\development\python\python36\lib\distutils\command\build_ext.py", line 339, in run
        self.build_extensions()
      File "d:\programfiles\development\python\python36\lib\distutils\command\build_ext.py", line 448, in build_extensions
        self._build_extensions_serial()
      File "d:\programfiles\development\python\python36\lib\distutils\command\build_ext.py", line 473, in _build_extensions_serial
        self.build_extension(ext)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\command\build_ext.py", line 196, in build_extension
        _build_ext.build_extension(self, ext)
      File "d:\programfiles\development\python\python36\lib\distutils\command\build_ext.py", line 533, in build_extension
        depends=ext.depends)
      File "d:\programfiles\development\python\python36\lib\distutils\_msvccompiler.py", line 304, in compile
        self.initialize()
      File "d:\programfiles\development\python\python36\lib\distutils\_msvccompiler.py", line 197, in initialize
        vc_env = _get_vc_env(plat_spec)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\msvc.py", line 172, in msvc14_get_vc_env
        return EnvironmentInfo(plat_spec, vc_min_ver=14.0).return_env()
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\msvc.py", line 771, in __init__
        self.si = SystemInfo(self.ri, vc_ver)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\msvc.py", line 480, in __init__
        raise distutils.errors.DistutilsPlatformError(err)
    distutils.errors.DistutilsPlatformError: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": http://landinghub.visualstudio.com/visual-cpp-build-tools

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 157, in save_modules
        yield saved
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 198, in setup_context
        yield
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 248, in run_setup
        DirectorySandbox(setup_dir).run(runner)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 278, in run
        return func()
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 246, in runner
        _execfile(setup_script, ns)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 47, in _execfile
        exec(code, globals, locals)
      File "C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\setup.py", line 285, in 
      File "d:\programfiles\development\python\python36\lib\distutils\core.py", line 163, in setup
        raise SystemExit("error: " + str(msg))
    SystemExit: error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": http://landinghub.visualstudio.com/visual-cpp-build-tools

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\command\easy_install.py", line 1101, in run_setup
        run_setup(setup_script, args)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 251, in run_setup
        raise
      File "d:\programfiles\development\python\python36\lib\contextlib.py", line 100, in __exit__
        self.gen.throw(type, value, traceback)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 198, in setup_context
        yield
      File "d:\programfiles\development\python\python36\lib\contextlib.py", line 100, in __exit__
        self.gen.throw(type, value, traceback)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 169, in save_modules
        saved_exc.resume()
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 144, in resume
        six.reraise(type, exc, self._tb)
      File "d:\programfiles\development\python\python36\lib\site-packages\pkg_resources\_vendor\six.py", line 685, in reraise
        raise value.with_traceback(tb)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 157, in save_modules
        yield saved
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 198, in setup_context
        yield
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 248, in run_setup
        DirectorySandbox(setup_dir).run(runner)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 278, in run
        return func()
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 246, in runner
        _execfile(setup_script, ns)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\sandbox.py", line 47, in _execfile
        exec(code, globals, locals)
      File "C:\Users\hasee\AppData\Local\Temp\easy_install-a2pfd_p3\Cython-0.29.13\setup.py", line 285, in 
      File "d:\programfiles\development\python\python36\lib\distutils\core.py", line 163, in setup
        raise SystemExit("error: " + str(msg))
    SystemExit: error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": http://landinghub.visualstudio.com/visual-cpp-build-tools

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "", line 1, in 
      File "C:\Users\hasee\AppData\Local\Temp\pip-install-4nbm_b4s\tesserocr\setup.py", line 210, in 
        setup_requires=['Cython>=0.23'],
      File "d:\programfiles\development\python\python36\lib\distutils\core.py", line 108, in setup
        _setup_distribution = dist = klass(attrs)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\dist.py", line 315, in __init__
        self.fetch_build_eggs(attrs['setup_requires'])
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\dist.py", line 361, in fetch_build_eggs
        replace_conflicting=True,
      File "d:\programfiles\development\python\python36\lib\site-packages\pkg_resources\__init__.py", line 850, in resolve
        dist = best[req.key] = env.best_match(req, ws, installer)
      File "d:\programfiles\development\python\python36\lib\site-packages\pkg_resources\__init__.py", line 1122, in best_match
        return self.obtain(req, installer)
      File "d:\programfiles\development\python\python36\lib\site-packages\pkg_resources\__init__.py", line 1134, in obtain
        return installer(requirement)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\dist.py", line 429, in fetch_build_egg
        return cmd.easy_install(req)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\command\easy_install.py", line 665, in easy_install
        return self.install_item(spec, dist.location, tmpdir, deps)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\command\easy_install.py", line 695, in install_item
        dists = self.install_eggs(spec, download, tmpdir)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\command\easy_install.py", line 876, in install_eggs
        return self.build_and_install(setup_script, setup_base)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\command\easy_install.py", line 1115, in build_and_install
        self.run_setup(setup_script, setup_base, args)
      File "d:\programfiles\development\python\python36\lib\site-packages\setuptools\command\easy_install.py", line 1103, in run_setup
        raise DistutilsError("Setup script exited with %s" % (v.args[0],))
    distutils.errors.DistutilsError: Setup script exited with error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": http://landinghub.visualstudio.com/visual-cpp-build-tools
    ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.

解決策
まずpipがサポートするバージョンを表示します

C:\Users\hasee>python
Python 3.6.1 (v3.6.1:69c0db5, Mar 21 2017, 17:54:52) [MSC v.1900 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import pip
>>> import pip._internal
>>> print(pip._internal.pep425tags.get_supported())
[('cp36', 'cp36m', 'win32'), ('cp36', 'none', 'win32'), ('py3', 'none', 'win32'), ('cp36', 'none', 'any'), ('cp3', 'none', 'any'), ('py36', 'none', 'any'), ('py3', 'none', 'any'), ('py35', 'none', 'any'), ('py34', 'none', 'any'), ('py33', 'none', 'any'), ('py32', 'none', 'any'), ('py31', 'none', 'any'), ('py30', 'none', 'any')]
>>> exit()

にあるhttps://github.com/simonflueckiger/tesserocr-windows_build/releasesここではpipバージョンに対応するtesserocrをダウンロードし、インストールします.

D:\ProgramFiles\Development\Python>pip3 install tesserocr-2.4.0-cp36-cp36m-win32.whl
Processing d:\programfiles\development\python\tesserocr-2.4.0-cp36-cp36m-win32.whl
Installing collected packages: tesserocr
Successfully installed tesserocr-2.4.0

 
2、PILをインポートしてモジュールがない

D:\ProgramFiles\Development\Python>python
Python 3.6.1 (v3.6.1:69c0db5, Mar 21 2017, 17:54:52) [MSC v.1900 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import tesserocr
>>> from PIL import Image
Traceback (most recent call last):
  File "", line 1, in 
ModuleNotFoundError: No module named 'PIL'

解決策
にあるhttps://www.lfd.uci.edu/~gohlke/pythonlibs/#pillowこのサイトでpipバージョン対応pillowをダウンロードしてインストール

D:\ProgramFiles\Development\InternetWrom\download>pip install Pillow-6.1.0-cp36-cp36m-win32.whl
Processing d:\programfiles\development\internetwrom\download\pillow-6.1.0-cp36-cp36m-win32.whl
Installing collected packages: Pillow
Successfully installed Pillow-6.1.0

テスト

D:\ProgramFiles\Development\InternetWrom\Test>python
Python 3.6.1 (v3.6.1:69c0db5, Mar 21 2017, 17:54:52) [MSC v.1900 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import tesserocr
>>> from PIL import Image

 
3、RuntimeError: Failed to init API, possibly an invalid tessdata path:

C:\Users\hasee>python
Python 3.6.1 (v3.6.1:69c0db5, Mar 21 2017, 17:54:52) [MSC v.1900 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import tesserocr
>>> from PIL import Image
>>> img = Image.open('D:\ProgramFiles\Development\InternetWrom\Test\image.png')
>>> print(tesserocr.image_to_text(img))
Traceback (most recent call last):
  File "", line 1, in 
  File "tesserocr.pyx", line 2443, in tesserocr._tesserocr.image_to_text
RuntimeError: Failed to init API, possibly an invalid tessdata path: D:\ProgramFiles\Development\Python\Python36\Scripts/

解決策

Path    D:\ProgramFiles\Development\InternetWrom\Tesseract-OCR\Tesseract-OCR

     --TESSDATA_PREFIX 
   --D:\ProgramFiles\Development\InternetWrom\Tesseract-OCR\tessdata

 
転載先:https://www.cnblogs.com/Harold-Hua/p/11285622.html