From b832a5941458083dd6147efb652036552f95b786 Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Fri, 12 Oct 2018 11:49:24 +0200
Subject: Refactor lightweight mode implementation

---
 libmat2/abstract.py | 8 +-------
 libmat2/pdf.py      | 9 +++++++--
 2 files changed, 8 insertions(+), 9 deletions(-)

(limited to 'libmat2')

diff --git a/libmat2/abstract.py b/libmat2/abstract.py
index cd72f2c..5bcaa69 100644
--- a/libmat2/abstract.py
+++ b/libmat2/abstract.py
@@ -19,6 +19,7 @@ class AbstractParser(abc.ABC):
         self.filename = filename
         fname, extension = os.path.splitext(filename)
         self.output_filename = fname + '.cleaned' + extension
+        self.lightweight_cleaning = False
 
     @abc.abstractmethod
     def get_meta(self) -> Dict[str, str]:
@@ -27,10 +28,3 @@ class AbstractParser(abc.ABC):
     @abc.abstractmethod
     def remove_all(self) -> bool:
         pass  # pragma: no cover
-
-    def remove_all_lightweight(self) -> bool:
-        """ This method removes _SOME_ metadata.
-        It might be useful to implement it for fileformats that do
-        not support non-destructive cleaning.
-        """
-        return self.remove_all()
diff --git a/libmat2/pdf.py b/libmat2/pdf.py
index c8769aa..140b4f4 100644
--- a/libmat2/pdf.py
+++ b/libmat2/pdf.py
@@ -37,7 +37,12 @@ class PDFParser(abstract.AbstractParser):
         except GLib.GError:  # Invalid PDF
             raise ValueError
 
-    def remove_all_lightweight(self):
+    def remove_all(self) -> bool:
+        if self.lightweight_cleaning is True:
+            return self.__remove_all_lightweight()
+        return self.__remove_all_thorough()
+
+    def __remove_all_lightweight(self) -> bool:
         """
             Load the document into Poppler, render pages on a new PDFSurface.
         """
@@ -64,7 +69,7 @@ class PDFParser(abstract.AbstractParser):
 
         return True
 
-    def remove_all(self):
+    def __remove_all_thorough(self) -> bool:
         """
             Load the document into Poppler, render pages on PNG,
             and shove those PNG into a new PDF.
-- 
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