File size: 920 Bytes
734b5b4 | 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 | from __future__ import annotations
import os, shutil, subprocess
from pathlib import Path
import pytesseract
class TesseractService:
def __init__(self):
custom = os.environ.get("TESSERACT_CMD")
if custom:
pytesseract.pytesseract.tesseract_cmd = custom
def ensure_available(self) -> str:
cmd = pytesseract.pytesseract.tesseract_cmd
resolved = shutil.which(cmd) if os.path.basename(cmd) == cmd else cmd
if not resolved or not Path(resolved).exists():
raise RuntimeError(
"Tesseract not found. Install it locally and add to PATH, "
"or set the TESSERACT_CMD environment variable."
)
return resolved
def version(self) -> str:
cmd = self.ensure_available()
out = subprocess.check_output([cmd, "--version"], text=True, errors="ignore")
return out.splitlines()[0].strip()
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