Read TAP_URL from environment var

Author: juanmcloaiza

astroquery/eso/__init__.py

@@ -3,7 +3,6 @@
 ESO service.
 """
 from astropy import config as _config
-import os
 
 
 class Conf(_config.ConfigNamespace):
@@ -20,9 +19,7 @@ class Conf(_config.ConfigNamespace):
     tap_url = _config.ConfigItem(
         "https://archive.eso.org/tap_obs",
         'URL for TAP queries.')
-    tap_url_dev = _config.ConfigItem(
-        os.environ['TAP_URL_DEV'],
-        'URL for TAP development server.')
+
 
 conf = Conf()
 

astroquery/eso/core.py

@@ -11,6 +11,7 @@
 import base64
 import email
 import json
+import os
 import os.path
 import pickle
 import re
@@ -109,7 +110,14 @@ def timeout(self, value):
     def tap_url() -> str:
         url = conf.tap_url
         if EsoClass.USE_DEV_TAP:
-            url = conf.tap_url_dev
+            try:
+                url = os.environ['TAP_URL']
+            except KeyError as e:
+                raise EnvironmentError(
+                    "Running on dev mode, but TAP_URL environment variable is not set"
+                ) from e
+            logmsg = f"Using dev tap url: {url}"
+            log.info(logmsg)
         return url
 
     def request_file(self, query_str: str):