tracker/python-dev: 69984a770ab5 extensions/jnosy.py (original) (raw)

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""" This module provides two helper functions used by the Javascript autocomplete of the nosy list:

1. a simple state machine to parse the tables of the experts index and turn them in a JSON object;
2. a function to get the list of developers as a JSON object; """ import urllib try: import json except ImportError: import simplejson as json url = 'http://hg.python.org/devguide/raw-file/default/experts.rst'[](#l15)

possible states

no_table = 0 # not parsing a table table_header = 1 # parsing the header table_content = 2 # parsing the content table_end = 3 # reached the end of the table def experts_as_json(): """ Parse the tables of the experts index and turn them into a JSON object. """ data = {} table_state = no_table try: page = urllib.urlopen(url) except Exception: # if something goes wrong just return an empty JSON object return '{}' for line in page: columns = [column.strip() for column in line.split(' ', 1)] # all the tables have 2 columns (some entries might not have experts, # so we just skip them) if len(columns) != 2: continue first, second = columns # check if we found a table separator if set(first) == set(second) == set('='): table_state += 1 if table_state == table_end: table_state = no_table continue if table_state == table_header: # create a dict for the category (e.g. 'Modules', 'Interest areas') category = first data[category] = {} if table_state == table_content: # add to the category dict the entries for that category # (e.g.module names) and the list of experts # if the entry is empty the names belong to the previous entry entry = first or entry names = (name.strip(' *') for name in second.split(',')) names = ','.join(name for name in names if '(inactive)' not in name) if not first: data[category][entry] += names else: data[category][entry] = names return json.dumps(data, separators=(',',':')) def devs_as_json(cls): """ Generate a JSON object that contains the username and realname of all the committers. """ users = [] for user in cls.filter(None, {'iscommitter': 1}): username = user.username.plain() realname = user.realname.plain(unchecked=1) if not realname: continue users.append([username, realname]) return json.dumps(users, separators=(',',':')) def init(instance): instance.registerUtil('experts_as_json', experts_as_json) instance.registerUtil('devs_as_json', devs_as_json)