bug fixes in FTP and Azure Blob storage providers

src/providers/azure_provider.py

@@ -30,6 +30,10 @@ def check(self):
         if not find_executable("azcopy") and not shutil.which("azcopy"):
             show_message_box("azcopy not found. Please make sure you have placed azcopy somewhere in the PATH. https://docs.microsoft.com/en-us/azure/storage/common/storage-use-azcopy-v10")
             return False
+        container = urlparse(self.url.lower()).path
+        if not container or container == "/":
+            show_message_box("Please provide container name as well. https://BLOBNAME.blob.core.windows.net/CONTAINER")
+            return False
         return True
 
     def get_download_url(self, relative_path):
@@ -41,7 +45,7 @@ def _parse_line(self, line):
         if line_parsed:
             file_path, size = line_parsed[0]
             # TODO: Currently there is no date in azcopy output, so we are faking one
-            return "1970-01-01 00:00:00 {:>13} {}".format(size, file_path) + os.linsep
+            return "1970-01-01 00:00:00 {:>13} {}".format(size, file_path) + os.linesep
         return None
 
     def yield_dirlist(self):

src/providers/ftp_provider.py

@@ -173,7 +173,9 @@ def is_provider(url):
     def check(self):
         try:
             self.ftp = FTP(self.hostname(), FTP_USER_DEFAULT, FTP_PASS_DEFAULT)
-            return self.ftp.pwd() == "/"
+            if self.ftp.pwd():
+                return True
+            return False
         except Exception as e:
             show_message_box(self.get_default_error_message())
         return False
@@ -185,8 +187,6 @@ def get_download_url(self, relative_path):
     def yield_dirlist(self):
         if not self.ftp:
             self.ftp = FTP(self.hostname(), FTP_USER_DEFAULT, FTP_PASS_DEFAULT)
-            if not self.ftp.pwd() == "/":
-                raise Exception(self.get_default_error_message())
 
         for dirlist_line in yield_fetch_dir(self.ftp, self.url_path()):
             # Stop