From 88d1ea4c97e4ee1cfcef6d1ba35406e328daffd7 Mon Sep 17 00:00:00 2001
From: Eugen Ciur <eugen@django-lessons.com>
Date: Sun, 17 May 2020 13:28:02 +0200
Subject: [PATCH] ocrmigrate is absolete - code moved in mglib.storage

---
 mglib/ocrmigrate.py | 82 ---------------------------------------------
 1 file changed, 82 deletions(-)
 delete mode 100644 mglib/ocrmigrate.py

diff --git a/mglib/ocrmigrate.py b/mglib/ocrmigrate.py
deleted file mode 100644
index 414df5c..0000000
--- a/mglib/ocrmigrate.py
+++ /dev/null
@@ -1,82 +0,0 @@
-import logging
-import shutil
-from os import listdir
-from os.path import isdir, join
-
-from pmworker.pdftk import make_sure_path_exists
-from mglib.path import (DocumentPath, PagePath)
-from mglib.step import Steps
-
-"""
-OCR operations are per page. Cut/Paste/Delete/Reorder are per page as well.
-So it does not make sense to rerun such a heavy operation as OCR again, instead
-we can do some magic tricks (copy them from one location to another)
-on already extracted txt and hocr files.
-
-OcrMigrate class takes care of this sort of txt/hocr files moves.
-"""
-
-logger = logging.getLogger(__name__)
-
-
-class OcrMigrate:
-    """
-    Insead of running again OCR operation on changed document AGAIN
-    (e.g. after pages 2 and 3 were deleted)
-    text files which are result of first (and only!) OCR are moved
-    (moved = migrated) inside new version's folder.
-    Basically migrate/move files instead of rerunning OCR operation.
-
-    For each affected page (page_x), following files will need to be migrated:
-        * <version>/pages/page_x.txt
-        * <version>/pages/page_x/50/*.hocr
-        * <version>/pages/page_x/75/*.hocr
-        * <version>/pages/page_x/100/*.hocr
-        * <version>/pages/page_x/125/*.hocr
-        from <old_version> to <new_version>
-
-    Which pages are affected depends on the operation.
-    """
-
-    def __init__(self, src_ep, dst_ep):
-        # Both endpoints shoud be instance of DocumentEp
-
-        for inst in [src_ep, dst_ep]:
-            if not isinstance(inst, DocumentEp):
-                raise ValueError(
-                    "OcrMigrate args must be DocumentEp instances"
-                )
-
-        self.src_ep = src_ep
-        self.dst_ep = dst_ep
-
-    def migrate_delete(self, deleted_pages):
-        page_count = get_pagecount(self.src_ep)
-        if len(deleted_pages) > page_count:
-            logger.error(
-                f"deleted_pages({deleted_pages}) > page_count({page_count})"
-            )
-            return
-
-        assigns = get_assigns_after_delete(
-            total_pages=page_count,
-            deleted_pages=deleted_pages
-        )
-        for a in assigns:
-            for step in Steps():
-                src_page_ep = PageEp(
-                    document_ep=self.src_ep,
-                    page_num=a[1],
-                    step=step,
-                    page_count=page_count
-                )
-                dst_page_ep = PageEp(
-                    document_ep=self.dst_ep,
-                    page_num=a[0],
-                    step=step,
-                    page_count=page_count - len(deleted_pages)
-                )
-                copy_page(
-                    src_page_ep=src_page_ep,
-                    dst_page_ep=dst_page_ep
-                )