Checks for dependencies - tesseract and imagemagick

invoice-x · May 21, 2018 · dbffe6d · dbffe6d
1 parent a526a0d
commit dbffe6d
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/invoice2data/input/tesseract.py b/invoice2data/input/tesseract.py
@@ -14,6 +14,13 @@ def to_text(path):
 
     """
     import subprocess
+    from distutils import spawn
+
+    # Check for dependencies. Needs Tesseract and Imagemagick installed.
+    if not spawn.find_executable('tesseract'):
+        raise EnvironmentError('tesseract not installed.')
+    if not spawn.find_executable('convert'):
+        raise EnvironmentError('imagemagick not installed.')
 
     convert = "convert -density 350 %s -depth 8 tiff:-" % (path)
     p1 = subprocess.Popen(convert.split(' '), stdout=subprocess.PIPE)