Don't exit if setlocale() fails

Fixes whole-tale/repo2docker_wholetale#32

reprounzip-qt/reprounzip_qt/main.py

@@ -12,6 +12,7 @@
 from reprounzip.common import setup_logging
 from reprounzip_qt import __version__
 from reprounzip_qt.usage import record_usage, submit_usage_report
+from reprozip.utils import stderr
 
 
 logger = logging.getLogger('reprounzip_qt')
@@ -21,7 +22,10 @@ def main():
     """Entry point when called on the command-line.
     """
     # Locale
-    locale.setlocale(locale.LC_ALL, '')
+    try:
+        locale.setlocale(locale.LC_ALL, '')
+    except locale.Error as e:
+        stderr.write("Couldn't set locale: %s\n" % e)
 
     parser = argparse.ArgumentParser(
         description="Graphical user interface for reprounzip",

reprounzip/reprounzip/main.py

@@ -29,6 +29,7 @@
     submit_usage_report, record_usage
 from reprounzip import signals
 from reprounzip.unpackers.common import UsageError
+from reprozip.utils import stderr
 
 
 __version__ = '1.1'
@@ -79,7 +80,10 @@ def main():
     """Entry point when called on the command-line.
     """
     # Locale
-    locale.setlocale(locale.LC_ALL, '')
+    try:
+        locale.setlocale(locale.LC_ALL, '')
+    except locale.Error as e:
+        stderr.write("Couldn't set locale: %s\n" % e)
 
     # Parses command-line
 

reprozip/reprozip/main.py

@@ -275,7 +275,10 @@ def main():
     """Entry point when called on the command-line.
     """
     # Locale
-    locale.setlocale(locale.LC_ALL, '')
+    try:
+        locale.setlocale(locale.LC_ALL, '')
+    except locale.Error as e:
+        stderr.write("Couldn't set locale: %s\n" % e)
 
     # http://bugs.python.org/issue13676
     # This prevents reprozip from reading argv and envp arrays from trace