[fix] allow path attachements to be sent my email (#2138)

frappe/public/js/frappe/form/footer/attachments.js

@@ -228,13 +228,14 @@ frappe.ui.get_upload_dialog = function(opts){
 			'method': 'frappe.client.get_value',
 			'args': {
 			'doctype': 'File',
-			'fieldname': 'file_url',
+			'fieldname': ['file_url','filename'],
 			  'filters': {
 			      'name': dialog.get_value("file")
 			    }
 			},
 			callback: function(r){
 			    dialog.$wrapper.find('[name="file_url"]').val(r.message.file_url);
+				opts.args.filename = r.message.file_name
 			}
 	    });
 	});

frappe/utils/file_manager.py

@@ -32,10 +32,10 @@ def upload():
 			raise_exception=True)
 
 	# save
-	if filename:
+	if frappe.form_dict.filedata:
 		filedata = save_uploaded(dt, dn, folder, is_private)
 	elif file_url:
-		filedata = save_url(file_url, dt, dn, folder)
+		filedata = save_url(file_url, filename, dt, dn, folder)
 
 	comment = {}
 	if dt and dn:
@@ -60,7 +60,7 @@ def save_uploaded(dt, dn, folder, is_private):
 	else:
 		raise Exception
 
-def save_url(file_url, dt, dn, folder):
+def save_url(file_url, filename, dt, dn, folder):
 	# if not (file_url.startswith("http://") or file_url.startswith("https://")):
 	# 	frappe.msgprint("URL must start with 'http://' or 'https://'")
 	# 	return None, None
@@ -70,6 +70,7 @@ def save_url(file_url, dt, dn, folder):
 	f = frappe.get_doc({
 		"doctype": "File",
 		"file_url": file_url,
+		"fieldname": filename,
 		"attached_to_doctype": dt,
 		"attached_to_name": dn,
 		"folder": folder