Generate a valid .json filename for Linux filesystem (#63)

* Generate valid .json filename for Linux filesystem

Adding get_valid_filename function to address slashes and other invalid characters in the report name for Linux filesystem.

* Moved get_valid_filename to sharedfunctions.py.

* Update snapshotreports.py

Revision date added in the comment.

* Update sharedfunctions.py

Revision date is added in the comment.

sharedfunctions.py

@@ -33,6 +33,7 @@
 #  20dec2018 Fixed standard csv output
 #  14JAN2019 Added getpath
 #  20SEP2019 Added getidsanduris
+#  09dec2020 Added get_valid_filename function to deal with invalid characters for Linux filesystem
 #
 # Copyright © 2018, SAS Institute Inc., Cary, NC, USA.  All Rights Reserved.
 #
@@ -57,6 +58,7 @@ import json
 import pprint
 import os
 import collections
+import re
 
 pp = pprint.PrettyPrinter(indent=4)
 
@@ -667,3 +669,18 @@ def simplejsonresults(resultdata):
 
         del resultdata['links'] 
         print(json.dumps(resultdata,indent=2))
+
+
+#The get_valid_filename function is taken from https://github.com/django/django/blob/master/django/utils/text.py.
+#The function replaces the characters that are not valid for Linux filsystem in the input string.
+#The comment in the source says:
+#
+#    Return the given string converted to a string that can be used for a clean
+#    filename. Remove leading and trailing spaces; convert other spaces to
+#    underscores; and remove anything that is not an alphanumeric, dash,
+#    underscore, or dot.
+
+
+def get_valid_filename(s):
+	s = str(s).strip().replace(' ', '_')
+	return re.sub(r'(?u)[^-\w.]', '', s)

snapshotreports.py

@@ -21,6 +21,7 @@
 # 16may2020 add folder path to report name
 # 16may2020 allow to subset reports exported by the path of the report folder
 # 10aug2020 add option to auto delete transport file after download completes
+# 09dec2020 add get_valid_filename function to deal with invalid characters for Linux filesystem
 #
 # Copyright © 2019, SAS Institute Inc., Cary, NC, USA.  All Rights Reserved.
 #
@@ -38,9 +39,10 @@
 #
 
 # Import Python modules
+import re
 import argparse, sys, subprocess, uuid, time, os, glob
 from datetime import datetime as dt, timedelta as td
-from sharedfunctions import getfolderid, callrestapi, getpath
+from sharedfunctions import getfolderid, callrestapi, getpath, get_valid_filename
 
 # get python version
 version=int(str(sys.version_info[0]))
@@ -145,11 +147,8 @@ if areyousure.upper() =='Y':
 					path_to_report=path_to_report.replace("/","_")
 
 					package_name=str(uuid.uuid1())
-					json_name=path_to_report+resultdata['items'][i]["name"].replace(" ","")+'_'+str(i)
 
-					json_name=json_name.replace("(","_")
+					json_name=get_valid_filename(path_to_report+resultdata['items'][i]["name"].replace(" ","")+'_'+str(i))
-					json_name=json_name.replace(")","_")
-					json_name=json_name.replace(" ","-")
 
 					command=clidir+'sas-admin transfer export -u /reports/reports/'+id+' --name "'+package_name+'"'
 					print(command)
@@ -172,8 +171,9 @@ if areyousure.upper() =='Y':
 						remTransferObject.wait()
 
 
-					print("NOTE: "+str(reports_exported)+" Viya report(s) exported to json files in "+path)
+					print("NOTE: "+str(reports_exported)+" report(s) exported to json files in "+path)
+			print("NOTE: "+str(total_items)+" total reports found, "+str(reports_exported)+" reports exported to json files in "+path)
 
 
 else:
-	 print("NOTE: Operation cancelled")
+	 print("NOTE: Operation cancelled")