Permalink
Find file
dd699a4 Nov 20, 2012
@robcowie @lennart @silvasur
442 lines (360 sloc) 15.8 KB
# -*- coding: utf-8 -*-
## TODO: Implement TODO_IGNORE setting (http://mdeering.com/posts/004-get-your-textmate-todos-and-fixmes-under-control)
## TODO: Make the output clickable (å la find results)
## TODO: Occasional NoneType bug
## todo: Make the sections foldable (define them as regions?)
""""""
from collections import namedtuple
from datetime import datetime
import functools
import fnmatch
from itertools import groupby
import logging
from os import path, walk
import re
import threading
import sublime
import sublime_plugin
DEBUG = True
DEFAULT_SETTINGS = {
'result_title': 'TODO Results',
'core_patterns': {
'TODO': r'TODO[\s]*?:+(?P<todo>.*)$',
'NOTE': r'NOTE[\s]*?:+(?P<note>.*)$',
'FIXME': r'FIX ?ME[\s]*?:+(?P<fixme>.*)$',
'CHANGED': r'CHANGED[\s]*?:+(?P<changed>.*)$'
},
'patterns': {}
}
Message = namedtuple('Message', 'type, msg')
## LOGGING SETUP
try:
from logging import NullHandler
except ImportError:
class NullHandler(logging.Handler):
def handle(self, record):
pass
def emit(self, record):
pass
def createLock(self):
self.lock = None
log = logging.getLogger('SublimeTODO')
log.handlers = [] ## hack to prevent extraneous handlers on ST2 auto-reload
log.addHandler(NullHandler())
log.setLevel(logging.INFO)
if DEBUG:
log.addHandler(logging.StreamHandler())
log.setLevel(logging.DEBUG)
def do_when(conditional, callback, *args, **kwargs):
if conditional():
return callback(*args, **kwargs)
sublime.set_timeout(functools.partial(do_when, conditional, callback, *args, **kwargs), 50)
class Settings(dict):
"""Combine default and user settings"""
def __init__(self, user_settings):
settings = DEFAULT_SETTINGS.copy()
settings.update(user_settings)
## Combine core_patterns and patterns
settings['core_patterns'].update(settings['patterns'])
settings['patterns'] = settings.pop('core_patterns')
super(Settings, self).__init__(settings)
class ThreadProgress(object):
def __init__(self, thread, message, success_message, file_counter):
self.thread = thread
self.message = message
self.success_message = success_message
self.file_counter = file_counter
self.addend = 1
self.size = 8
sublime.set_timeout(lambda: self.run(0), 100)
def run(self, i):
if not self.thread.is_alive():
if hasattr(self.thread, 'result') and not self.thread.result:
sublime.status_message('')
return
sublime.status_message(self.success_message)
return
before = i % self.size
after = (self.size - 1) - before
sublime.status_message('%s [%s=%s] (%s files scanned)' % \
(self.message, ' ' * before, ' ' * after, self.file_counter))
if not after:
self.addend = -1
if not before:
self.addend = 1
i += self.addend
sublime.set_timeout(lambda: self.run(i), 100)
class TodoExtractor(object):
def __init__(self, settings, filepaths, dirpaths, ignored_dirs, ignored_file_patterns,
file_counter):
self.filepaths = filepaths
self.dirpaths = dirpaths
self.patterns = settings['patterns']
self.settings = settings
self.file_counter = file_counter
self.ignored_dirs = ignored_dirs
self.ignored_files = ignored_file_patterns
self.log = logging.getLogger('SublimeTODO.extractor')
def iter_files(self):
""""""
seen_paths_ = []
files = self.filepaths
dirs = self.dirpaths
exclude_dirs = self.ignored_dirs
for filepath in files:
pth = path.realpath(path.abspath(filepath))
if pth not in seen_paths_:
seen_paths_.append(pth)
yield pth
for dirpath in dirs:
dirpath = path.abspath(dirpath)
for dirpath, dirnames, filenames in walk(dirpath):
## remove excluded dirs
## TODO: These are not patterns. Consider making them glob patterns
for dir in exclude_dirs:
if dir in dirnames:
self.log.debug(u'Ignoring dir: {0}'.format(dir))
dirnames.remove(dir)
for filepath in filenames:
pth = path.join(dirpath, filepath)
pth = path.realpath(path.abspath(pth))
if pth not in seen_paths_:
seen_paths_.append(pth)
yield pth
def filter_files(self, files):
""""""
exclude_patterns = [re.compile(patt) for patt in self.ignored_files]
for filepath in files:
if any(patt.match(filepath) for patt in exclude_patterns):
continue
yield filepath
def search_targets(self):
"""Yield filtered filepaths for message extraction"""
return self.filter_files(self.iter_files())
def extract(self):
""""""
message_patterns = '|'.join(self.patterns.values())
case_sensitivity = 0 if self.settings.get('case_sensitive', False) else re.IGNORECASE
patt = re.compile(message_patterns, case_sensitivity)
for filepath in self.search_targets():
try:
f = open(filepath)
self.log.debug(u'Scanning {0}'.format(filepath))
for linenum, line in enumerate(f):
for mo in patt.finditer(line):
## Remove the non-matched groups
matches = [Message(msg_type, msg) for msg_type, msg in mo.groupdict().iteritems() if msg]
for match in matches:
yield {'filepath': filepath, 'linenum': linenum + 1, 'match': match}
except IOError:
## Probably a broken symlink
f = None
finally:
self.file_counter.increment()
if f is not None:
f.close()
class TodoRenderer(object):
def __init__(self, settings, window, file_counter):
self.window = window
self.settings = settings
self.file_counter = file_counter
@property
def view_name(self):
"""The name of the new results view. Defined in settings."""
return self.settings['result_title']
@property
def header(self):
hr = u'+ {0} +'.format('-' * 76)
return u'{hr}\n| TODOS @ {0:<68} |\n| {1:<76} |\n{hr}\n'.format(
datetime.now().strftime('%A %d %B %Y %H:%M').decode("utf-8"),
u'{0} files scanned'.format(self.file_counter),
hr=hr)
@property
def view(self):
existing_results = [v for v in self.window.views()
if v.name() == self.view_name and v.is_scratch()]
if existing_results:
v = existing_results[0]
else:
v = self.window.new_file()
v.set_name(self.view_name)
v.set_scratch(True)
v.settings().set('todo_results', True)
return v
def format(self, messages):
"""Yield lines for rendering into results view. Includes headers and
blank lines.
Lines are returned in the form (type, content, [data]) where type is either
'header', 'whitespace' or 'result'
"""
key_func = lambda m: m['match'].type
messages = sorted(messages, key=key_func)
for message_type, matches in groupby(messages, key=key_func):
matches = list(matches)
if matches:
yield ('header', u'\n## {0} ({1})'.format(message_type.upper().decode('utf8', 'ignore'), len(matches)), {})
for idx, m in enumerate(matches, 1):
msg = m['match'].msg.decode('utf8', 'ignore') ## Don't know the file encoding
filepath = path.basename(m['filepath'])
line = u"{idx}. {filepath}:{linenum} {msg}".format(
idx=idx, filepath=filepath, linenum=m['linenum'], msg=msg)
yield ('result', line, m)
def render_to_view(self, formatted_results):
"""This blocks the main thread, so make it quick"""
## Header
result_view = self.view
edit = result_view.begin_edit()
result_view.erase(edit, sublime.Region(0, result_view.size()))
result_view.insert(edit, result_view.size(), self.header)
result_view.end_edit(edit)
## Region : match_dicts
regions = {}
## Result sections
for linetype, line, data in formatted_results:
edit = result_view.begin_edit()
insert_point = result_view.size()
result_view.insert(edit, insert_point, line)
if linetype == 'result':
rgn = sublime.Region(insert_point, result_view.size())
regions[rgn] = data
result_view.insert(edit, result_view.size(), u'\n')
result_view.end_edit(edit)
result_view.add_regions('results', regions.keys(), '')
## Store {Region : data} map in settings
## TODO: Abstract this out to a storage class Storage.get(region) ==> data dict
## Region() cannot be stored in settings, so convert to a primitive type
# d_ = regions
d_ = dict(('{0},{1}'.format(k.a, k.b), v) for k, v in regions.iteritems())
result_view.settings().set('result_regions', d_)
## Set syntax and settings
result_view.set_syntax_file('Packages/SublimeTODO/todo_results.hidden-tmLanguage')
result_view.settings().set('line_padding_bottom', 2)
result_view.settings().set('line_padding_top', 2)
result_view.settings().set('word_wrap', False)
result_view.settings().set('command_mode', True)
self.window.focus_view(result_view)
class WorkerThread(threading.Thread):
def __init__(self, extractor, renderer):
self.extractor = extractor
self.renderer = renderer
threading.Thread.__init__(self)
def run(self):
## Extract in this thread
todos = self.extractor.extract()
rendered = list(self.renderer.format(todos))
## Render into new window in main thread
def render():
self.renderer.render_to_view(rendered)
sublime.set_timeout(render, 10)
class FileScanCounter(object):
"""Thread-safe counter used to update the status bar"""
def __init__(self):
self.ct = 0
self.lock = threading.RLock()
self.log = logging.getLogger('SublimeTODO')
def __call__(self, filepath):
self.log.debug(u'Scanning %s' % filepath)
self.increment()
def __str__(self):
with self.lock:
return '%d' % self.ct
def increment(self):
with self.lock:
self.ct += 1
def reset(self):
with self.lock:
self.ct = 0
class TodoCommand(sublime_plugin.TextCommand):
def search_paths(self, window, open_files_only=False):
"""Return (filepaths, dirpaths)"""
return (
[view.file_name() for view in window.views() if view.file_name()],
window.folders() if not open_files_only else []
)
def run(self, edit, open_files_only=False):
window = self.view.window()
settings = Settings(self.view.settings().get('todo', {}))
## TODO: Cleanup this init code. Maybe move it to the settings object
filepaths, dirpaths = self.search_paths(window, open_files_only=open_files_only)
ignored_dirs = settings.get('folder_exclude_patterns', [])
## Get exclude patterns from global settings
## Is there really no better way to access global settings?
global_settings = sublime.load_settings('Global.sublime-settings')
ignored_dirs.extend(global_settings.get('folder_exclude_patterns', []))
exclude_file_patterns = settings.get('file_exclude_patterns', [])
exclude_file_patterns.extend(global_settings.get('file_exclude_patterns', []))
exclude_file_patterns.extend(global_settings.get('binary_file_patterns', []))
exclude_file_patterns = [fnmatch.translate(patt) for patt in exclude_file_patterns]
file_counter = FileScanCounter()
extractor = TodoExtractor(settings, filepaths, dirpaths, ignored_dirs,
exclude_file_patterns, file_counter)
renderer = TodoRenderer(settings, window, file_counter)
worker_thread = WorkerThread(extractor, renderer)
worker_thread.start()
ThreadProgress(worker_thread, 'Finding TODOs', '', file_counter)
class NavigateResults(sublime_plugin.TextCommand):
DIRECTION = {'forward': 1, 'backward': -1}
STARTING_POINT = {'forward': -1, 'backward': 0}
def __init__(self, view):
super(NavigateResults, self).__init__(view)
def run(self, edit, direction):
view = self.view
settings = view.settings()
results = self.view.get_regions('results')
if not results:
sublime.status_message('No results to navigate')
return
##NOTE: numbers stored in settings are coerced to floats or longs
selection = int(settings.get('selected_result', self.STARTING_POINT[direction]))
selection = selection + self.DIRECTION[direction]
try:
target = results[selection]
except IndexError:
target = results[0]
selection = 0
settings.set('selected_result', selection)
## Create a new region for highlighting
target = target.cover(target)
view.add_regions('selection', [target], 'selected', 'dot')
view.show(target)
class ClearSelection(sublime_plugin.TextCommand):
def run(self, edit):
self.view.erase_regions('selection')
self.view.settings().erase('selected_result')
class GotoComment(sublime_plugin.TextCommand):
def __init__(self, *args):
self.log = logging.getLogger('SublimeTODO.nav')
super(GotoComment, self).__init__(*args)
def run(self, edit):
## Get the idx of selected result region
selection = int(self.view.settings().get('selected_result', -1))
## Get the region
selected_region = self.view.get_regions('results')[selection]
## Convert region to key used in result_regions (this is tedious, but
## there is no other way to store regions with associated data)
data = self.view.settings().get('result_regions')['{0},{1}'.format(selected_region.a, selected_region.b)]
self.log.debug(u'Goto comment at {filepath}:{linenum}'.format(**data))
new_view = self.view.window().open_file(data['filepath'])
do_when(lambda: not new_view.is_loading(), lambda: new_view.run_command("goto_line", {"line": data['linenum']}))
class MouseGotoComment(sublime_plugin.TextCommand):
def __init__(self, *args):
self.log = logging.getLogger('SublimeTODO.nav')
super(MouseGotoComment, self).__init__(*args)
def highlight(self, region):
target = region.cover(region)
self.view.add_regions('selection', [target], 'selected', 'dot')
self.view.show(target)
def get_result_region(self, pos):
line = self.view.line(pos)
return line
def run(self, edit):
if not self.view.settings().get('result_regions'):
return
## get selected line
pos = self.view.sel()[0].end()
result = self.get_result_region(pos)
self.highlight(result)
data = self.view.settings().get('result_regions')['{0},{1}'.format(result.a, result.b)]
self.log.debug(u'Goto comment at {filepath}:{linenum}'.format(**data))
new_view = self.view.window().open_file(data['filepath'])
do_when(lambda: not new_view.is_loading(), lambda: new_view.run_command("goto_line", {"line": data['linenum']}))