F deprecate yamlapi

Summary

The yamlapi should be obsolete in future (see Issue #62 (closed)). Warnings to all functions of this API were added.

Focus

All changes were made in the yamlapi. Tests for the warning were added.

Test Environment

tox

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• All automated tests pass
• Reference related Issues
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  • Intent of new code
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• All automated tests pass
• Up-to-date CHANGELOG.md
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src/caosdb/yamlapi.py

@@ -22,10 +22,8 @@
 # ** end header
 #
 
-""" YAML interface for the database (caosdb) """
-""" !!! Deprecated !!! """
-
-
+""" YAML interface for the database (caosdb) 
+    !!! Deprecated !!! """
 
 
 import yaml
@@ -36,6 +34,8 @@ import caosdb
 import caosdb.common.utils as utils
 from caosdb.connection.connection import get_connection
 import warnings
+
+
 def append_sublist(v, newel, def_entity_type):
     warnings.warn("""
                   This function is deprecated and will be removed with the next release.
@@ -102,7+102,7 @@
     """
     return dict_to_xml(yaml.load(yamlstr))
 
 
 def process(text):
     """Do some replacements on the original file to obtain valid yaml."""
     warnings.warn("""