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Unittests for extracting metadata from plugins (#26218)

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* Unittests for extracting metadata from plugins
* Port plugin_docs to use the generic extract_metadata function
* Make the helper functions seek_end_of{string,dict} private
This commit is contained in:
Toshio Kuratomi 2017-06-30 06:48:32 -07:00 • committed by GitHub
commit 34589cee6d
3 changed files with 213 additions and 19 deletions
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34
lib/ansible/parsing/metadata.py
View file

@ -31,7 +31,7 @@ class ParseError(Exception):
pass
def seek_end_of_dict(module_data, start_line, start_col, next_node_line, next_node_col):
def _seek_end_of_dict(module_data, start_line, start_col, next_node_line, next_node_col):
"""Look for the end of a dict in a set of lines
We know the starting position of the dict and we know the start of the
@ -105,7 +105,7 @@ def seek_end_of_dict(module_data, start_line, start_col, next_node_line, next_no
return end_line, end_col
def seek_end_of_string(module_data, start_line, start_col, next_node_line, next_node_col):
def _seek_end_of_string(module_data, start_line, start_col, next_node_line, next_node_col):
"""
This is much trickier than finding the end of a dict. A dict has only one
ending character, "}". Strings have four potential ending characters. We
@ -181,26 +181,26 @@ def extract_metadata(module_data):
if isinstance(child.value, ast.Dict):
# Determine where the current metadata ends
end_line, end_col = seek_end_of_dict(module_data,
child.lineno - 1,
child.col_offset,
next_lineno,
next_col_offset)
end_line, end_col = _seek_end_of_dict(module_data,
child.lineno - 1,
child.col_offset,
next_lineno,
next_col_offset)
elif isinstance(child.value, ast.Str):
metadata = yaml.safe_load(child.value.s)
end_line, end_col = seek_end_of_string(module_data,
child.lineno - 1,
child.col_offset,
next_lineno,
next_col_offset)
end_line, end_col = _seek_end_of_string(module_data,
child.lineno - 1,
child.col_offset,
next_lineno,
next_col_offset)
elif isinstance(child.value, ast.Bytes):
metadata = yaml.safe_load(to_text(child.value.s, errors='surrogate_or_strict'))
end_line, end_col = seek_end_of_string(module_data,
child.lineno - 1,
child.col_offset,
next_lineno,
next_col_offset)
end_line, end_col = _seek_end_of_string(module_data,
child.lineno - 1,
child.col_offset,
next_lineno,
next_col_offset)
else:
# Example:
# ANSIBLE_METADATA = 'junk'

7
lib/ansible/utils/plugin_docs.py
View file

@ -26,6 +26,7 @@ import yaml
from collections import MutableMapping, MutableSet, MutableSequence
from ansible.module_utils.six import string_types
from ansible.parsing.metadata import extract_metadata
from ansible.parsing.yaml.loader import AnsibleLoader
from ansible.plugins import fragment_loader
@ -117,7 +118,8 @@ def get_docstring(filename, verbose=False):
}
try:
M = ast.parse(''.join(open(filename)))
b_module_data = open(filename, 'rb').read()
M = ast.parse(b_module_data)
try:
display.debug('Attempt first docstring is yaml docs')
docstring = yaml.load(M.body[0].value.s)
@ -145,7 +147,7 @@ def get_docstring(filename, verbose=False):
if isinstance(child.value, ast.Dict):
data[varkey] = ast.literal_eval(child.value)
else:
if theid in ['DOCUMENTATION', 'ANSIBLE_METADATA']:
if theid == 'DOCUMENTATION':
# string should be yaml
data[varkey] = AnsibleLoader(child.value.s, file_name=filename).get_single_data()
else:
@ -153,6 +155,7 @@ def get_docstring(filename, verbose=False):
data[varkey] = child.value.s
display.debug('assigned :%s' % varkey)
data['metadata'] = extract_metadata(b_module_data)[0]
# add fragments to documentation
if data['doc']:
add_fragments(data['doc'], filename)