From 24e45ac2b78cf8fad1888ad9a258048470fe56e7 Mon Sep 17 00:00:00 2001
From: Dmitrii Petukhov <dmitry.petukhov@akvelon.com>
Date: Sat, 6 Jul 2019 00:09:50 +0100
Subject: [PATCH 1/3] Support for opening txt files

---
 lector/parsers/txt.py | 55 +++++++++++++++++++++++++++++++++++++++++++
 lector/sorter.py      |  7 +++++-
 2 files changed, 61 insertions(+), 1 deletion(-)
 create mode 100644 lector/parsers/txt.py

diff --git a/lector/parsers/txt.py b/lector/parsers/txt.py
new file mode 100644
index 0000000..9994ecf
--- /dev/null
+++ b/lector/parsers/txt.py
@@ -0,0 +1,55 @@
+# This file is a part of Lector, a Qt based ebook reader
+# Copyright (C) 2017-2019 BasioMeusPuga
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import collections
+import os
+
+import textile
+
+
+class ParseTXT:
+    """Parser for TXT files."""
+
+    def __init__(self, filename, *args):
+        """Initialize new instance of the TXT parser."""
+        self.filename = filename
+
+    def read_book(self):
+        """Prepare the parser to read book."""
+        pass
+
+    def generate_metadata(self):
+        """Generate metadata for the book."""
+        title = os.path.basename(self.filename)
+        author = 'Unknown'
+        year = 9999
+        isbn = None
+        tags = []
+        cover = None
+
+        Metadata = collections.namedtuple(
+            'Metadata', ['title', 'author', 'year', 'isbn', 'tags', 'cover'])
+        return Metadata(title, author, year, isbn, tags, cover)
+
+    def generate_content(self):
+        """Generate content of the book."""
+        with open(self.filename, 'rt') as txt:
+            text = txt.read()
+            content = [textile.textile(text)]
+
+        toc = [(1, 'Text', 1)]
+
+        return toc, content, False
diff --git a/lector/sorter.py b/lector/sorter.py
index fca919d..c30c1bd 100644
--- a/lector/sorter.py
+++ b/lector/sorter.py
@@ -105,6 +105,11 @@ else:
     print(critical_sting)
     logger.critical(critical_sting)
 
+# Text file parser
+# TODO Check if textile is installed
+from lector.parsers.txt import ParseTXT
+sorter['txt'] = ParseTXT
+
 available_parsers = [i for i in sorter]
 progressbar = None  # This is populated by __main__
 _progress_emitter = None  # This is to be made into a global variable
@@ -184,7 +189,7 @@ class BookSorter:
         return book_data
 
     def read_book(self, filename):
-        # filename is expected as a string containg the
+        # filename is expected as a string containing the
         # full path of the ebook file
 
         with open(filename, 'rb') as current_book:

From 5e74b6f261ab79ebfc68c2fee4392ede55db663b Mon Sep 17 00:00:00 2001
From: Dmitrii Petukhov <dmitry.petukhov@akvelon.com>
Date: Sat, 6 Jul 2019 07:30:40 +0100
Subject: [PATCH 2/3] Fix for bookmarks in books without cover

---
 lector/widgets.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lector/widgets.py b/lector/widgets.py
index 8b47bd5..7aa1788 100644
--- a/lector/widgets.py
+++ b/lector/widgets.py
@@ -272,7 +272,7 @@ class Tab(QtWidgets.QWidget):
 
         # Finally, to make sure the cover image isn't
         # scrolled halfway through on first open,
-        if self.metadata['position']['current_chapter'] == 1:
+        if self.metadata['cover'] and self.metadata['position']['current_chapter'] == 1:
             self.contentView.verticalScrollBar().setValue(0)
 
     def generate_position(self, is_read=False):

From d0cdd531a9de68f1d25d4ae63de9d438618008bb Mon Sep 17 00:00:00 2001
From: Dmitrii Petukhov <dmitry.petukhov@akvelon.com>
Date: Sat, 6 Jul 2019 07:37:32 +0100
Subject: [PATCH 3/3] Check for textile installation

---
 README.md        |  1 +
 lector/sorter.py | 13 +++++++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 73655cb..9f24409 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,7 @@ Bitcoin: 17jaxj26vFJNqQ2hEVerbBV5fpTusfqFro
 | python-pymupdf | 1.14.5 | PDF support |
 | python-djvulibre | 0.8.4 | DjVu support |
 | python-markdown | 3.0.1 | Markdown support |
+| textile | 3.0.4 | TXT support |
 
 ## Support
 When reporting issues:
diff --git a/lector/sorter.py b/lector/sorter.py
index c30c1bd..b836f9a 100644
--- a/lector/sorter.py
+++ b/lector/sorter.py
@@ -105,10 +105,15 @@ else:
     print(critical_sting)
     logger.critical(critical_sting)
 
-# Text file parser
-# TODO Check if textile is installed
-from lector.parsers.txt import ParseTXT
-sorter['txt'] = ParseTXT
+# txt - Optional
+textile_check = importlib.util.find_spec('textile')
+if textile_check:
+    from lector.parsers.txt import ParseTXT
+    sorter['txt'] = ParseTXT
+else:
+    error_string = 'textile is not installed. Will be unable to load TXT files.'
+    print(error_string)
+    logger.error(error_string)
 
 available_parsers = [i for i in sorter]
 progressbar = None  # This is populated by __main__