help, tesseract not fun in windows 11!

[Ada Gomiz]

Hello! I'm trying to reinstall some code I made with artificial intelligence that uses tesseract. I managed to get everything working (intelligent scanning of minutes so that they are later renamed and moved to folders) but now I have changed offices and there is another machine. When trying to install the libraries I get that windows does not recognize the installation of tesseract. I downloaded it from https://github.com/UB-Mannheim/tesseract/wiki and tried various versions. When I put tesseract -v or where tesseract in the command line it tells me "tesseract" is not recognized as an internal or external command, program or executable batch file. I tried to edit the environment variable and it doesn't work either (select the installation path C:\Program Files\Tesseract-OCR and check that the files are there) try to open tesseract outside of python, and it opens a window (like a black console) and closes automatically I also tried to open from pycharm (where I have the codes) and it gives me this error:
C:\Users\UNTREF\PycharmProjects\obtencion_de_valores\venv\Scripts\python.exe C:\Users\UNTREF\PycharmProjects\obtencion_de_valores\main.py
Introduce la ruta de la carpeta que contiene los archivos PDF: C:\Users\UNTREF\Desktop\prueba_excel
Procesando archivo: 1-49.pdf
Traceback (most recent call last):
  File "C:\Users\UNTREF\PycharmProjects\obtencion_de_valores\venv\Lib\site-packages\pytesseract\pytesseract.py", line 255, in run_tesseract
    proc = subprocess.Popen(cmd_args, **subprocess_args())
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\UNTREF\AppData\Local\Programs\Python\Python311\Lib\subprocess.py", line 1024, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
  File "C:\Users\UNTREF\AppData\Local\Programs\Python\Python311\Lib\subprocess.py", line 1509, in _execute_child
    hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
FileNotFoundError: [WinError 2] El sistema no puede encontrar el archivo especificado

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\UNTREF\PycharmProjects\obtencion_de_valores\main.py", line 33, in <module>
    text = pytesseract.image_to_string(page, lang='spa', config='--psm 4 --oem 1')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\UNTREF\PycharmProjects\obtencion_de_valores\venv\Lib\site-packages\pytesseract\pytesseract.py", line 423, in image_to_string
    return {
           ^
  File "C:\Users\UNTREF\PycharmProjects\obtencion_de_valores\venv\Lib\site-packages\pytesseract\pytesseract.py", line 426, in <lambda>
    Output.STRING: lambda: run_and_get_output(*args),
                           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\UNTREF\PycharmProjects\obtencion_de_valores\venv\Lib\site-packages\pytesseract\pytesseract.py", line 288, in run_and_get_output
    run_tesseract(**kwargs)
  File "C:\Users\UNTREF\PycharmProjects\obtencion_de_valores\venv\Lib\site-packages\pytesseract\pytesseract.py", line 260, in run_tesseract
    raise TesseractNotFoundError()
pytesseract.pytesseract.TesseractNotFoundError: tesseract is not installed or it's not in your PATH. See README file for more information.

Process finished with exit code 1

Here I provide the python code, although I don't think it's the problem

import os
import re
import pytesseract
from pdf2image import convert_from_path

# Ruta de la carpeta que contiene los archivos PDF a procesar
pdf_folder = input("Introduce la ruta de la carpeta que contiene los archivos PDF: ")

# Definir patrones de búsqueda
libro_pattern = r'LIBRO:\s+(\d+)'
folio_pattern = r'FOLIO:\s+(\d+)'
no_pattern = r'No\s+(\d+)'
materia_pattern = r'MATERIA\s+:\s+(.*)\n'
docente_pattern = r'DOCENTE\s+:\s+(.*)\n'
fecha_pattern = r'FECHA\s+:\s+(\d{2}/\d{2}/\d{4})\s+'

# Iterar sobre cada archivo PDF en la carpeta
for filename in os.listdir(pdf_folder):
if filename.endswith('.pdf'):
print(f"Procesando archivo: {filename}")

# Ruta del archivo PDF a procesar
pdf_path = os.path.join(pdf_folder, filename)

# Convertir cada página del PDF a una imagen
pages = convert_from_path(pdf_path)

# Lista para almacenar los resultados de cada página
results = []

# Procesar cada imagen con Pytesseract
for page in pages:
text = pytesseract.image_to_string(page, lang='spa', config='--psm 4 --oem 1')
results.append(text)

# Buscar los valores de LIBRO, FOLIO, No, MATERIA, DOCENTE y FECHA en la cadena de texto
libro_match = re.search(libro_pattern, results[0])
folio_match = re.search(folio_pattern, results[0])
no_match = re.search(no_pattern, results[0])
materia_match = re.search(materia_pattern, results[0])
docente_match = re.search(docente_pattern, results[0])
fecha_match = re.search(fecha_pattern, results[0])

# Extraer los valores encontrados e imprimirlos
if libro_match:
libro = libro_match.group(1)
print(f"LIBRO: {libro}")
if folio_match:
folio = folio_match.group(1)
print(f"FOLIO: {folio}")
if no_match:
no = no_match.group(1)
print(f"No: {no}")
if materia_match:
materia = materia_match.group(1)
print(f"MATERIA: {materia}")
if docente_match:
docente = docente_match.group(1)
print(f"DOCENTE: {docente}")
if fecha_match:
fecha = fecha_match.group(1)
print(f"FECHA: {fecha}")

print(f"Archivo {filename} procesado correctamente.\n")

[Zdenko Podobny]

Seems like you are not very familiar with the operating system you are using. Tesseract (executable) is a command line program (e.g. similar to  "dir" or "copy") - so "it opens a window (like a black console) and closes automatically". 

'"tesseract" is not recognized as an internal or external command' means you did not install tesseract correctly or you did not put it to your system/user PATH (which is not necessary to use it with pytesseract - check its documentation).

We have no clue what you did when you "tried to edit the environment variable" - you did not provide any details... So we can help you to correct your step.

Best regards,

Zdenko

po 24. 4. 2023 o 19:42 Ada Gomiz <ago...@untrefvirtual.edu.ar> napísal(a):

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