Output Errors to stderr

bbbmon/configuration.py

@@ -88,7 +88,7 @@ class Config():
             filtered_endpoints = []
             for endpoint_option in endpoint_options:
                 if not endpoint_option in existing_names:
-                    click.echo("{} there is no endpoint called \"{}\" in the configuration. It will be ignored.\n".format(click.style('Error:', fg='red', bold=True), click.style(endpoint_option, fg='red', bold=True)))
+                    click.echo("{} there is no endpoint called \"{}\" in the configuration. It will be ignored.\n".format(click.style('Error:', fg='red', bold=True), click.style(endpoint_option, fg='red', bold=True)), err=True)
                     if self.on_server:
                         click.echo("{} bbbmon is using the server config. You can use a user config using the {} flag.\n".format(click.style('Hint:', fg='yellow', bold=True), click.style("--userconfig", fg='bright_black', bold=True)))
                     if len(self.endpoints) > 0:
@@ -164,14 +164,14 @@ def new_config(user_config_path: str, skip_prompt: bool=True):
     if asking and printing should be done elsewhere)
     """
     if not skip_prompt:
-        click.echo("{} There was no config file found. Make sure it exists and is readable at either location:".format(click.style('Error:', fg='red', bold=True), click.style("Error:", fg='red', bold=True)))
-        print("       [0] {}".format(SERVER_PROPERTIES_FILE))
-        print("       [1] {}".format(user_config_path))
-        print()
-        print("For now the file just needs to contain three lines:")
+        click.echo("{} There was no config file found. Make sure it exists and is readable at either location:".format(click.style('Error:', fg='red', bold=True), click.style("Error:", fg='red', bold=True)), err=True)
+        eprint("       [0] {}".format(SERVER_PROPERTIES_FILE))
+        eprint("       [1] {}".format(user_config_path))
+        eprint()
+        eprint("For now the file just needs to contain three lines:")
         for line in EXAMPLE_CONFIG.splitlines():
-            click.echo(click.style((line), fg="bright_black"))
-        print()
+            click.echo(click.style((line), fg="bright_black"), err=True)
+        eprint()
 
     if skip_prompt or click.confirm(click.style('Do you want to create a config file at {}?'.format(user_config_path), fg="green"), abort=True):
         # Create all directories in the path to the config, if they don't exist yet

bbbmon/meetings.py

@@ -14,6 +14,7 @@ import click
 from bbbmon.xmldict import XmlListConfig, XmlDictConfig
 from bbbmon.configuration import Config, Endpoint, SERVER_PROPERTIES_FILE, Url, Secret, get_user_config_path, init_config, new_config
 import bbbmon.printing as printing
+from bbbmon.printing import eprint
 
 
 
@@ -53,17 +54,17 @@ def request_meetings(secret: Secret, bbb_url: Url, user_config_path: str, sum_:
         root = ElementTree.XML(r.text)
     except ElementTree.ParseError as e:
         if not sum_:
-            click.echo("{} The XML returned from {} couldn't be properly parsed. The response text from the Server was:\n{}".format(click.style('Error:', fg='red', bold=True), url, r.text))
-            print("Exiting...")
+            click.echo("{} The XML returned from {} couldn't be properly parsed. The response text from the Server was:\n{}".format(click.style('Error:', fg='red', bold=True), url, r.text), err=True)
+            eprint("Exiting...")
             exit()
 
     xmldict = XmlDictConfig(root)
     if "returncode" in xmldict.keys():
         if xmldict['returncode'] == "FAILED":
-            print(xmldict)
+            eprint(xmldict)
             exit()
     else:
-        print(r.text)
+        eprint(r.text)
         exit()
     return xmldict
 

bbbmon/printing.py

@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 
 import click
+import sys
 from datetime import datetime, timedelta
 from typing import NewType, Optional, Tuple, Iterable, List
 
@@ -22,6 +23,10 @@ FRIENDLY_KEYNAMES = {
 
 
 
+def eprint(*args, **kwargs):
+    print(*args, file=sys.stderr, **kwargs)
+
+
 def strfdelta(duration: timedelta) -> str:
     """
     Helper function for datetime.timedelta formatting, use like this: