Hi everyone!
I have this macro in jinja2 template to generate xml configs:
{%- macro print_opts(options, indent=' ', count=0) %}
{% for key in options.keys() | sort %}
{% set value = options[key] %}
{% if value is string %}
{{- indent*count }}{{ key }} {{ '"' + value.split('\t') | join('" "') +
'"' }}
{% elif value in [true, false] %}
{{- indent*count }}{{ key }} {{ value | lower }}
{% elif value is number %}
{{- indent*count }}{{ key }} {{ value }}
{% elif value is mapping %}
{{- indent*count }}<{{ key }}>
{{ print_opts(value, indent, count+1) -}}
{{- indent*count }}</{{ key.split()[0] }}>
{% elif value is sequence %}
{% for i in value | sort -%}
{{ print_opts({key: i}, indent, count) -}}
{%- endfor %}
{% else %}
{{- indent*count }}{{ key }} "{{ value }}"
{% endif %}
{% endfor %}
{% endmacro %}
This macro works good with Python2 but I need to add support for Python3
also.
The problem is that Python3 has some differences in comparison of
dictionaries and fails when I have a list of dicts here:
{% elif value is sequence %}
{% for i in value | sort -%}
{{ print_opts({key: i}, indent, count) -}}
{%- endfor %}
unorderable types: dict() < dict()"}
I've tried to create a custom sort filter using original jinja sort filter
from jinja2._compat import string_types
from operator import itemgetter
def environmentfilter(f):
f.environmentfilter = True
return f
@environmentfilter
def do_sort(environment, value, reverse=False, case_sensitive=False,
attribute=None):
if not case_sensitive:
def sort_func(item):
if isinstance(item, string_types):
item = item.lower()
return item
else:
sort_func = None
if attribute is not None:
getter = make_attrgetter(environment, attribute)
def sort_func(item, processor=sort_func or (lambda x: x)):
return processor(getter(item))
print(type(value))
if isinstance(value, list) and isinstance(value[0], dict):
return sorted(value, key=lambda x:sorted(x.keys()), reverse=reverse)
else:
return sorted(value, key=sort_func, reverse=reverse)
class FilterModule(object):
'''
custom jinja2 sort filter
'''
def filters(self):
return {
'sort2': do_sort
}
but something wrong here, seems it works for python2 but not for python3 -
sorting doesn't work here - output file has random order after each ansible
running and changed each time.
Maybe someone will advise some other solutions to make this macro work on
both versions
Thanks!
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