Remove `print` from libmat, and use the `logging` module instead

This should close #28

libmat2/office.py

@@ -4,7 +4,9 @@ import shutil
 import tempfile
 import datetime
 import zipfile
+import logging
 from typing import Dict, Set, Pattern
+
 try:  # protect against DoS
     from defusedxml import ElementTree as ET  # type: ignore
 except ImportError:
@@ -17,6 +19,8 @@ from . import abstract, parser_factory
 assert Set
 assert Pattern
 
+logging.basicConfig(level=logging.ERROR)
+
 def _parse_xml(full_path: str):
     """ This function parse XML with namespace support. """
     def parse_map(f):  # etree support for ns is a bit rough
@@ -98,7 +102,7 @@ class ArchiveBasedAbstractParser(abstract.AbstractParser):
                 if self._specific_cleanup(full_path) is False:
                     shutil.rmtree(temp_folder)
                     os.remove(self.output_filename)
-                    print("Something went wrong during deep cleaning of %s" % item.filename)
+                    logging.info("Something went wrong during deep cleaning of %s", item.filename)
                     return False
 
                 if item.filename in self.files_to_keep:
@@ -112,7 +116,7 @@ class ArchiveBasedAbstractParser(abstract.AbstractParser):
                     if not tmp_parser:
                         shutil.rmtree(temp_folder)
                         os.remove(self.output_filename)
-                        print("%s's format (%s) isn't supported" % (item.filename, mtype))
+                        logging.info("%s's format (%s) isn't supported", item.filename, mtype)
                         return False
                     tmp_parser.remove_all()
                     os.rename(tmp_parser.output_filename, full_path)

libmat2/pdf.py

@@ -16,7 +16,7 @@ from gi.repository import Poppler, GLib
 
 from . import abstract
 
-logging.basicConfig(level=logging.DEBUG)
+logging.basicConfig(level=logging.ERROR)
 
 poppler_version = Poppler.get_version()
 if LooseVersion(poppler_version) < LooseVersion('0.46'): # pragma: no cover

libmat2/torrent.py

@@ -3,6 +3,8 @@ from typing import Union, Tuple, Dict
 
 from . import abstract
 
+logging.basicConfig(level=logging.ERROR)
+
 
 class TorrentParser(abstract.AbstractParser):
     mimetypes = {'application/x-bittorrent', }

tests/test_libmat2.py

@@ -195,7 +195,6 @@ class TestDeepCleaning(unittest.TestCase):
                 inside_p, _ = parser_factory.get_parser(complete_path)
                 if inside_p is None:
                     continue
-                print('[+] %s is clean inside %s' %(complete_path, p.filename))
                 self.assertEqual(inside_p.get_meta(), {})
         shutil.rmtree(tempdir)