From 6f99bc3cea8bf76e53a67d29a6f25f7b0e27f683 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 5 Dec 2016 07:45:25 +0530
Subject: [PATCH] Make the original path to file available to FileType plugins

---
 src/calibre/customize/__init__.py |  5 +++--
 src/calibre/customize/ui.py       | 13 +++++++++++++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/calibre/customize/__init__.py b/src/calibre/customize/__init__.py
index d155f3fad8..ff81ee0572 100644
--- a/src/calibre/customize/__init__.py
+++ b/src/calibre/customize/__init__.py
@@ -349,7 +349,9 @@ class FileTypePlugin(Plugin):  # {{{
         modified ebook. If no modifications are needed, it should
         return the path to the original ebook. If an error is encountered
         it should raise an Exception. The default implementation
-        simply return the path to the original ebook.
+        simply return the path to the original ebook. Note that the path to
+        the original file (before any file type plugins are run, is available as
+        self.original_path_to_file).
 
         The modified ebook file should be created with the
         :meth:`temporary_file` method.
@@ -813,4 +815,3 @@ class LibraryClosedPlugin(Plugin):  # {{{
         raise NotImplementedError('LibraryClosedPlugin '
                 'run method must be overridden in subclass')
 # }}}
-
diff --git a/src/calibre/customize/ui.py b/src/calibre/customize/ui.py
index 94f972f66e..32487e74f8 100644
--- a/src/calibre/customize/ui.py
+++ b/src/calibre/customize/ui.py
@@ -39,6 +39,7 @@ def _config():
 
     return ConfigProxy(c)
 
+
 config = _config()
 
 
@@ -97,6 +98,7 @@ def restore_plugin_state_to_default(plugin_or_name):
         ep.remove(x)
     config['enabled_plugins'] = ep
 
+
 default_disabled_plugins = set([
     'Overdrive', 'Douban Books', 'OZON.ru', 'Edelweiss', 'Google Images', 'Big Book Search',
 ])
@@ -111,6 +113,7 @@ def is_disabled(plugin):
 
 # File type plugins {{{
 
+
 _on_import           = {}
 _on_postimport       = {}
 _on_preprocess       = {}
@@ -158,6 +161,7 @@ def _run_filetype_plugins(path_to_file, ft=None, occasion='preprocess'):
         oo, oe = sys.stdout, sys.stderr  # Some file type plugins out there override the output streams with buggy implementations
         with plugin:
             try:
+                plugin.original_path_to_file = path_to_file
                 nfp = plugin.run(path_to_file)
                 if not nfp:
                     nfp = path_to_file
@@ -171,6 +175,7 @@ def _run_filetype_plugins(path_to_file, ft=None, occasion='preprocess'):
         nfp = path_to_file
     return nfp
 
+
 run_plugins_on_import      = functools.partial(_run_filetype_plugins,
                                                occasion='import')
 run_plugins_on_preprocess  = functools.partial(_run_filetype_plugins,
@@ -317,6 +322,8 @@ def available_stores():
 # }}}
 
 # Metadata read/write {{{
+
+
 _metadata_readers = {}
 _metadata_writers = {}
 
@@ -362,6 +369,7 @@ class QuickMetadata(object):
     def __exit__(self, *args):
         self.quick = False
 
+
 quick_metadata = QuickMetadata()
 
 
@@ -376,6 +384,7 @@ class ApplyNullMetadata(object):
     def __exit__(self, *args):
         self.apply_null = False
 
+
 apply_null_metadata = ApplyNullMetadata()
 
 
@@ -390,6 +399,7 @@ class ForceIdentifiers(object):
     def __exit__(self, *args):
         self.force_identifiers = False
 
+
 force_identifiers = ForceIdentifiers()
 
 
@@ -629,6 +639,7 @@ def all_edit_book_tool_plugins():
 
 # Initialize plugins {{{
 
+
 _initialized_plugins = []
 
 
@@ -694,6 +705,7 @@ def initialize_plugins(perf=False):
     reread_filetype_plugins()
     reread_metadata_plugins()
 
+
 initialize_plugins()
 
 
@@ -799,6 +811,7 @@ def main(args=sys.argv):
 
     return 0
 
+
 if __name__ == '__main__':
     sys.exit(main())
 # }}}