From bddb3d7fd63f0be6239938eabae39d284074ba6a Mon Sep 17 00:00:00 2001
From: Zafiris Galanopoulos <zafiris@gmail.com>
Date: Thu, 30 May 2019 00:17:02 +0100
Subject: [PATCH 1/2] Adding experimental support for Mathesis
 https://mathesis.cup.gr

---
 edx_dl/parsing.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/edx_dl/parsing.py b/edx_dl/parsing.py
index 5e50d354..fbe892db 100644
--- a/edx_dl/parsing.py
+++ b/edx_dl/parsing.py
@@ -414,7 +414,9 @@ def get_page_extractor(url):
     """
     if (
         url.startswith('https://courses.edx.org') or
-        url.startswith('https://mitxpro.mit.edu')
+        url.startswith('https://mitxpro.mit.edu') or
+	url.startswith('https://mathesis.cup.gr')
+
     ):
         return NewEdXPageExtractor()
     elif (

From d1cbb7afd5590966b2a2ba6f8fca76a6a7a2ec34 Mon Sep 17 00:00:00 2001
From: Zafiris Galanopoulos <zafiris@gmail.com>
Date: Thu, 30 May 2019 00:20:24 +0100
Subject: [PATCH 2/2] When using Mathesis platform, avoid ascii filenames and
 directory names as the content is in greek.

---
 edx_dl/edx_dl.py | 18 +++++++++++++++---
 edx_dl/utils.py  |  4 ++--
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/edx_dl/edx_dl.py b/edx_dl/edx_dl.py
index 64486674..1482d5d9 100644
--- a/edx_dl/edx_dl.py
+++ b/edx_dl/edx_dl.py
@@ -93,6 +93,10 @@
     'bits':{
         'url':'http://any-learn.bits-pilani.ac.in',
         'courseware-selector': ('nav', {'aria-label': 'Course Navigation'}),
+    },
+    'mathesis':{
+    'url': 'https://mathesis.cup.gr',
+    'courseware-selector': ('nav', {'aria-label': 'Course Navigation'}),
     }
 }
 BASE_URL = OPENEDX_SITES['edx']['url']
@@ -409,7 +413,6 @@ def parse_args():
 
     return args
 
-
 def edx_get_headers():
     """
     Build the Open edX headers to create future requests.
@@ -828,11 +831,20 @@ def download(args, selections, all_units, headers):
     # sections/subsections to add correct prefixes and show nicer information.
 
     for selected_course, selected_sections in selections.items():
-        coursename = directory_name(selected_course.name)
+        # If the platform is  mathesis don't convert the directory name to ascii
+        if args.platform == 'mathesis':
+            coursename = directory_name(selected_course.name, dont_use_ascii=True)
+        else:
+            coursename = directory_name(selected_course.name)
         for selected_section in selected_sections:
             section_dirname = "%02d-%s" % (selected_section.position,
                                            selected_section.name)
-            target_dir = os.path.join(args.output_dir, coursename,
+    # If our platform is mathesis, then the filename contains greek chars, so clean the bare minimum
+            if args.platform == 'mathesis':
+                target_dir = os.path.join(args.output_dir, coursename,
+                                      clean_filename(section_dirname, minimal_change=True))
+            else:
+                target_dir = os.path.join(args.output_dir, coursename,
                                       clean_filename(section_dirname))
             mkdir_p(target_dir)
             counter = 0
diff --git a/edx_dl/utils.py b/edx_dl/utils.py
index 0ec44718..220d4d2e 100644
--- a/edx_dl/utils.py
+++ b/edx_dl/utils.py
@@ -42,11 +42,11 @@ def execute_command(cmd, args):
             raise e
 
 
-def directory_name(initial_name):
+def directory_name(initial_name, dont_use_ascii=False):
     """
     Transform the name of a directory into an ascii version
     """
-    result = clean_filename(initial_name)
+    result = clean_filename(initial_name, minimal_change=dont_use_ascii)
     return result if result != "" else "course_folder"