From d89deb47d3dfe4158232441fa335f295ab62c7bd Mon Sep 17 00:00:00 2001
From: Marius Stanciu <marius.adrian@gmail.com>
Date: Mon, 16 Jan 2023 13:05:53 +0200
Subject: [PATCH] - fixed an encoding error in the Excellon parser

---
 CHANGELOG.md                |  4 ++++
 appParsers/ParseExcellon.py | 17 ++++++++++++++---
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f308e16d..65f3eff2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ CHANGELOG for FlatCAM Evo beta
 
 =================================================
 
+16.01.2023
+
+- fixed an encoding error in the Excellon parser
+
 20.05.2022
 
 - small fix for a bug that interfere with running the 2D graphic mode
diff --git a/appParsers/ParseExcellon.py b/appParsers/ParseExcellon.py
index 06061556..5d1a60a6 100644
--- a/appParsers/ParseExcellon.py
+++ b/appParsers/ParseExcellon.py
@@ -230,9 +230,20 @@ class Excellon(Geometry):
         else:
             if filename is None:
                 return "fail"
-            efile = open(filename, 'r')
-            estr = efile.readlines()
-            efile.close()
+
+            estr = ""
+            decoded = False
+            encodings_types = ('cp1252', 'cp850', 'utf-8', 'utf8')
+            for enc in encodings_types:
+                try:
+                    with open(filename, 'r', encoding=enc) as efile:
+                        estr = efile.readlines()
+                        decoded = True
+                        break
+                except UnicodeDecodeError:
+                    pass
+            if decoded is False:
+                return 'fail'
 
         try:
             self.parse_lines(estr)