ansible-doctor/ansibledoctor/Annotation.py

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#!/usr/bin/env python3
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"""Find and parse annotations to AnnotationItem objects."""
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import json
import pprint
import re
from collections import defaultdict
import anyconfig
from ansibledoctor.Config import SingleConfig
from ansibledoctor.FileRegistry import Registry
from ansibledoctor.Utils import SingleLog
class AnnotationItem:
# next time improve this by looping over public available attributes
def __init__(self):
self.data = defaultdict(dict)
def __str__(self):
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"""Beautify object string output."""
for key in self.data.keys():
for sub in self.data.get(key):
return "AnnotationItem({}: {})".format(key, sub)
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def get_obj(self):
return self.data
class Annotation:
def __init__(self, name, files_registry):
self._all_items = defaultdict(dict)
self._file_handler = None
self.config = SingleConfig()
self.log = SingleLog()
self.logger = self.log.logger
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self._files_registry = files_registry
self._all_annotations = self.config.get_annotations_definition()
if name in self._all_annotations.keys():
self._annotation_definition = self._all_annotations[name]
if self._annotation_definition is not None:
self._find_annotation()
def get_details(self):
return self._all_items
def _find_annotation(self):
regex = r"(\#\ *\@" + self._annotation_definition["name"] + r"\ +.*)"
for rfile in self._files_registry.get_files():
self._file_handler = open(rfile, encoding="utf8")
num = 1
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while True:
line = self._file_handler.readline()
if not line:
break
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if re.match(regex, line.strip()):
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item = self._get_annotation_data(
num, line, self._annotation_definition["name"], rfile)
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if item:
self.logger.info(str(item))
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self._populate_item(item.get_obj().items())
num += 1
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self._file_handler.close()
def _populate_item(self, item):
for key, value in item:
try:
anyconfig.merge(self._all_items[key], value, ac_merge=anyconfig.MS_DICTS)
except ValueError as e:
self.log.sysexit_with_message("Unable to merge annotation values:\n{}".format(e))
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def _get_annotation_data(self, num, line, name, rfile):
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"""
Make some string conversion on a line in order to get the relevant data.
:param line:
"""
item = AnnotationItem()
# step1 remove the annotation
# reg1 = "(\#\ *\@"++"\ *)"
reg1 = r"(\#\ *\@" + name + r"\ *)"
line1 = re.sub(reg1, "", line).strip()
# step3 take the main key value from the annotation
parts = [part.strip() for part in line1.split(":", 2)]
key = str(parts[0])
item.data[key] = {}
multiline_char = [">", "$>"]
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if len(parts) < 2:
return
if len(parts) == 2:
parts = parts[:1] + ["value"] + parts[1:]
subtypes = self.config.ANNOTATIONS.get(name)["subtypes"]
if subtypes and parts[1] not in subtypes:
return
content = [parts[2]]
if parts[2] not in multiline_char and parts[2].startswith("$"):
source = parts[2].replace("$", "").strip()
content = self._str_to_json(key, source, rfile, num, line)
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item.data[key][parts[1]] = content
# step4 check for multiline description
if parts[2] in multiline_char:
multiline = []
stars_with_annotation = r"(\#\ *[\@][\w]+)"
current_file_position = self._file_handler.tell()
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newline = ""
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while True:
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next_line = self._file_handler.readline().lstrip()
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if not next_line.strip():
self._file_handler.seek(current_file_position)
break
# match if annotation in line
if re.match(stars_with_annotation, next_line):
self._file_handler.seek(current_file_position)
break
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# match if does not start with comment
test_line2 = next_line.strip()
if test_line2[:1] != "#":
self._file_handler.seek(current_file_position)
break
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final = next_line.replace("#", "").rstrip()
if final[:1] == " ":
final = final[1:]
final = newline + final
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# match if empty line or commented empty line
test_line = next_line.replace("#", "").strip()
if len(test_line) == 0:
newline = "\n\n"
continue
else:
newline = ""
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multiline.append(newline + final)
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if parts[2].startswith("$"):
source = "".join([x.strip() for x in multiline])
multiline = self._str_to_json(key, source, rfile, num, line)
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item.data[key][parts[1]] = multiline
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return item
def _str_to_json(self, key, string, rfile, num, line):
try:
return {key: json.loads(string)}
except ValueError:
self.log.sysexit_with_message(
"Json value error: Can't parse json in {}:{}:\n{}".format(rfile, str(num), line.strip()))