From f391c9603c36a8ec80942c23ac6ba39fca5df72a Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Sat, 31 Mar 2018 15:46:17 +0200
Subject: Change a bit the source code organisation

---
 src/parsers/__init__.py |  0
 src/parsers/abstract.py | 13 --------
 src/parsers/audio.py    | 37 --------------------
 src/parsers/jpg.py      | 30 -----------------
 src/parsers/pdf.py      | 89 -------------------------------------------------
 src/parsers/png.py      | 27 ---------------
 6 files changed, 196 deletions(-)
 delete mode 100644 src/parsers/__init__.py
 delete mode 100644 src/parsers/abstract.py
 delete mode 100644 src/parsers/audio.py
 delete mode 100644 src/parsers/jpg.py
 delete mode 100644 src/parsers/pdf.py
 delete mode 100644 src/parsers/png.py

(limited to 'src/parsers')

diff --git a/src/parsers/__init__.py b/src/parsers/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/src/parsers/abstract.py b/src/parsers/abstract.py
deleted file mode 100644
index c2d282f..0000000
--- a/src/parsers/abstract.py
+++ /dev/null
@@ -1,13 +0,0 @@
-class AbstractParser(object):
-    meta_list = set()
-    mimetypes = set()
-
-    def __init__(self, filename: str):
-        self.filename = filename
-        self.output_filename = filename + '.cleaned'
-
-    def get_meta(self):
-        raise NotImplementedError
-
-    def remove_all(self):
-        raise NotImplementedError
diff --git a/src/parsers/audio.py b/src/parsers/audio.py
deleted file mode 100644
index 4da298c..0000000
--- a/src/parsers/audio.py
+++ /dev/null
@@ -1,37 +0,0 @@
-import subprocess
-import shutil
-import json
-
-import mutagen
-
-from . import abstract
-
-class MutagenParser(abstract.AbstractParser):
-    def get_meta(self):
-        f = mutagen.File(self.filename)
-        if f.tags:
-            return f.tags
-        return {}
-
-    def remove_all(self):
-        shutil.copy(self.filename, self.output_filename)
-        f = mutagen.File(self.output_filename)
-        f.delete()
-        f.save()
-        return True
-
-class MP3Parser(MutagenParser):
-    mimetypes = {'audio/mpeg', }
-
-    def get_meta(self):
-        meta = super().get_meta()
-        metadata = {}
-        for key in meta:
-            metadata[key] = meta[key].text
-        return metadata
-
-class OGGParser(MutagenParser):
-    mimetypes = {'audio/ogg', }
-
-class FLACParser(MutagenParser):
-    mimetypes = {'audio/flac', }
diff --git a/src/parsers/jpg.py b/src/parsers/jpg.py
deleted file mode 100644
index 34fc04c..0000000
--- a/src/parsers/jpg.py
+++ /dev/null
@@ -1,30 +0,0 @@
-import subprocess
-import json
-
-import gi
-gi.require_version('GdkPixbuf', '2.0')
-from gi.repository import GdkPixbuf
-
-from . import abstract
-
-class JPGParser(abstract.AbstractParser):
-    mimetypes = {'image/jpg', }
-    meta_whitelist = {'SourceFile', 'ExifToolVersion', 'FileName',
-            'Directory', 'FileSize', 'FileModifyDate', 'FileAccessDate',
-            "FileInodeChangeDate", 'FilePermissions', 'FileType',
-            'FileTypeExtension', 'MIMEType', 'ImageWidth',
-            'ImageSize', 'BitsPerSample', 'ColorComponents', 'EncodingProcess',
-            'JFIFVersion', 'ResolutionUnit', 'XResolution', 'YCbCrSubSampling',
-            'YResolution', 'Megapixels', 'ImageHeight'}
-
-    def get_meta(self):
-        out = subprocess.check_output(['exiftool', '-json', self.filename])
-        meta = json.loads(out.decode('utf-8'))[0]
-        for key in self.meta_whitelist:
-            meta.pop(key, None)
-        return meta
-
-    def remove_all(self):
-        pixbuf = GdkPixbuf.Pixbuf.new_from_file(self.filename)
-        pixbuf.savev(self.output_filename, "jpeg", ["quality"], ["100"])
-        return True
diff --git a/src/parsers/pdf.py b/src/parsers/pdf.py
deleted file mode 100644
index 90f05e1..0000000
--- a/src/parsers/pdf.py
+++ /dev/null
@@ -1,89 +0,0 @@
-""" Handle PDF
-
-"""
-
-import os
-import logging
-import tempfile
-import shutil
-import io
-import tempfile
-
-import cairo
-import gi
-gi.require_version('Poppler', '0.18')
-from gi.repository import Poppler
-
-from . import abstract
-
-logging.basicConfig(level=logging.DEBUG)
-
-
-class PDFParser(abstract.AbstractParser):
-    mimetypes = {'application/pdf', }
-    meta_list = {'author', 'creation-date', 'creator', 'format', 'keywords',
-            'metadata', 'mod-date', 'producer', 'subject', 'title',
-            'viewer-preferences'}
-
-    def __init__(self, filename):
-        super().__init__(filename)
-        self.uri = 'file://' + os.path.abspath(self.filename)
-        self.__scale = 2
-
-    def remove_all(self):
-        """
-            Load the document into Poppler, render pages on PNG,
-            and shove those PNG into a new PDF. Metadata from the new
-            PDF are removed via Poppler, because there is no way to tell
-            cairo to not add "created by cairo" during rendering.
-        """
-        document = Poppler.Document.new_from_file(self.uri, None)
-        pages_count = document.get_n_pages()
-
-        _, tmp_path = tempfile.mkstemp()
-        pdf_surface = cairo.PDFSurface(tmp_path, 128, 128)
-        pdf_context = cairo.Context(pdf_surface)
-
-        for pagenum in range(pages_count):
-            page = document.get_page(pagenum)
-            page_width, page_height = page.get_size()
-            logging.info("Rendering page %d/%d", pagenum + 1, pages_count)
-
-            img_surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, int(page_width) * self.__scale, int(page_height) * self.__scale)
-            img_context = cairo.Context(img_surface)
-
-            img_context.scale(self.__scale, self.__scale)
-            page.render_for_printing(img_context)
-            img_context.show_page()
-
-            buf = io.BytesIO()
-            img_surface.write_to_png(buf)
-            img_surface.finish()
-            buf.seek(0)
-
-            img = cairo.ImageSurface.create_from_png(buf)
-            pdf_surface.set_size(page_width*2, page_height*2)
-            pdf_context.set_source_surface(img, 0, 0)
-            pdf_context.paint()
-            pdf_context.show_page()
-
-        pdf_surface.finish()
-
-        # This is removing metadata added by Poppler
-        document = Poppler.Document.new_from_file('file://' + tmp_path)
-        document.set_producer('')
-        document.set_creator('')
-        document.save('file://' + os.path.abspath(self.output_filename))
-        os.remove(tmp_path)
-
-        return True
-
-    def get_meta(self):
-        """ Return a dict with all the meta of the file
-        """
-        document = Poppler.Document.new_from_file(self.uri, None)
-        metadata = {}
-        for key in self.meta_list:
-            if document.get_property(key):
-                metadata[key] = document.get_property(key)
-        return metadata
diff --git a/src/parsers/png.py b/src/parsers/png.py
deleted file mode 100644
index 377682e..0000000
--- a/src/parsers/png.py
+++ /dev/null
@@ -1,27 +0,0 @@
-import subprocess
-import json
-
-import cairo
-
-from . import abstract
-
-class PNGParser(abstract.AbstractParser):
-    mimetypes = {'image/png', }
-    meta_whitelist = {'SourceFile', 'ExifToolVersion', 'FileName',
-            'Directory', 'FileSize', 'FileModifyDate', 'FileAccessDate',
-            "FileInodeChangeDate", 'FilePermissions', 'FileType',
-            'FileTypeExtension', 'MIMEType', 'ImageWidth', 'BitDepth', 'ColorType',
-            'Compression', 'Filter', 'Interlace', 'BackgroundColor', 'ImageSize',
-            'Megapixels', 'ImageHeight'}
-
-    def get_meta(self):
-        out = subprocess.check_output(['exiftool', '-json', self.filename])
-        meta = json.loads(out.decode('utf-8'))[0]
-        for key in self.meta_whitelist:
-            meta.pop(key, None)
-        return meta
-
-    def remove_all(self):
-        surface = cairo.ImageSurface.create_from_png(self.filename)
-        surface.write_to_png(self.output_filename)
-        return True
-- 
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