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specialbots.py
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specialbots.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
"""Library containing special bots."""
#
# (C) Rob W.W. Hooft, Andre Engels 2003-2004
# (C) Pywikibot team, 2003-2018
#
# Distributed under the terms of the MIT license.
#
from __future__ import absolute_import, division, unicode_literals
import os
import tempfile
import pywikibot
import pywikibot.data.api
from pywikibot import config
from pywikibot.bot import (
BaseBot, ExistingPageBot, NoRedirectPageBot, AutomaticTWSummaryBot,
InteractiveReplace, ChoiceException, UnhandledAnswer, AlwaysChoice,
QuitKeyboardInterrupt,
)
from pywikibot.editor import TextEditor
from pywikibot.textlib import replace_links
from pywikibot.tools import PY2, deprecated, deprecated_args
from pywikibot.tools.formatter import color_format
if not PY2:
from urllib.parse import urlparse
from urllib.request import URLopener
basestring = (str,)
else:
from urllib import URLopener
from urlparse import urlparse
class UploadRobot(BaseBot):
"""Upload bot."""
@deprecated_args(uploadByUrl=None)
def __init__(self, url, urlEncoding=None, description='',
useFilename=None, keepFilename=False, verifyDescription=True,
ignoreWarning=False, targetSite=None, aborts=[], chunk_size=0,
summary=None, filename_prefix=None, **kwargs):
"""
Initializer.
@param url: path to url or local file (deprecated), or list of urls or
paths to local files.
@type url: string (deprecated) or list
@param description: Description of file for its page. If multiple files
are uploading the same description is used for every file.
@type description: string
@param useFilename: Specify title of the file's page. If multiple
files are uploading it asks to change the name for second, third,
etc. files, otherwise the last file will overwrite the other.
@type useFilename: string
@param keepFilename: Set to True to keep original names of urls and
files, otherwise it will ask to enter a name for each file.
@type keepFilename: bool
@param summary: Summary of the upload
@type summary: string
@param verifyDescription: Set to True to proofread the description.
@type verifyDescription: bool
@param ignoreWarning: Set this to True to upload even if another file
would be overwritten or another mistake would be risked. Set it to
an array of warning codes to selectively ignore specific warnings.
@type ignoreWarning: bool or list
@param targetSite: Set the site to upload to. If target site is not
given it's taken from user-config.py.
@type targetSite: object
@param aborts: List of the warning types to abort upload on. Set to
True to abort on any warning.
@type aborts: bool or list
@param chunk_size: Upload the file in chunks (more overhead, but
restartable) specified in bytes. If no value is specified the file
will be uploaded as whole.
@type chunk_size: integer
@param filename_prefix: Specify prefix for the title of every
file's page.
@type filename_prefix: string
@param always: Disables any input, requires that either ignoreWarning
or aborts are set to True and that the description is also set. It
overwrites verifyDescription to False and keepFilename to True.
@type always: bool
@deprecated: Using upload_image() is deprecated, use upload_file() with
file_url param instead
"""
super(UploadRobot, self).__init__(**kwargs)
always = self.getOption('always')
if (always and ignoreWarning is not True and aborts is not True):
raise ValueError('When always is set to True, either '
'ignoreWarning or aborts must be set to True.')
if always and not description:
raise ValueError('When always is set to True, the description '
'must be set.')
self.url = url
if isinstance(self.url, basestring):
pywikibot.warning('url as string is deprecated. '
'Use an iterable instead.')
self.urlEncoding = urlEncoding
self.description = description
self.useFilename = useFilename
self.keepFilename = keepFilename or always
self.verifyDescription = verifyDescription and not always
self.ignoreWarning = ignoreWarning
self.aborts = aborts
self.chunk_size = chunk_size
self.summary = summary
self.filename_prefix = filename_prefix
if config.upload_to_commons:
self.targetSite = targetSite or pywikibot.Site('commons',
'commons')
else:
self.targetSite = targetSite or pywikibot.Site()
self.targetSite.login()
@deprecated(since='20141211')
def urlOK(self):
"""Return True if self.url is a URL or an existing local file."""
return '://' in self.url or os.path.exists(self.url)
def read_file_content(self, file_url=None):
"""Return name of temp file in which remote file is saved."""
if not file_url:
file_url = self.url
pywikibot.warning('file_url is not given. '
'Set to self.url by default.')
pywikibot.output('Reading file %s' % file_url)
resume = False
rlen = 0
_contents = None
dt = 15
uo = URLopener()
retrieved = False
while not retrieved:
if resume:
pywikibot.output('Resume download...')
uo.addheader('Range', 'bytes=%s-' % rlen)
infile = uo.open(file_url)
info = infile.info()
if PY2:
content_type = info.getheader('Content-Type')
content_len = info.getheader('Content-Length')
accept_ranges = info.getheader('Accept-Ranges')
else:
content_type = info.get('Content-Type')
content_len = info.get('Content-Length')
accept_ranges = info.get('Accept-Ranges')
if 'text/html' in content_type:
pywikibot.output("Couldn't download the image: "
'the requested URL was not found on server.')
return
valid_ranges = accept_ranges == 'bytes'
if resume:
_contents += infile.read()
else:
_contents = infile.read()
infile.close()
retrieved = True
if content_len:
rlen = len(_contents)
content_len = int(content_len)
if rlen < content_len:
retrieved = False
pywikibot.output(
'Connection closed at byte %s (%s left)'
% (rlen, content_len))
if valid_ranges and rlen > 0:
resume = True
pywikibot.output('Sleeping for %d seconds...' % dt)
pywikibot.sleep(dt)
if dt <= 60:
dt += 15
elif dt < 360:
dt += 60
else:
pywikibot.log(
'WARNING: length check of retrieved data not possible.')
handle, tempname = tempfile.mkstemp()
with os.fdopen(handle, 'wb') as t:
t.write(_contents)
return tempname
def _handle_warning(self, warning):
"""
Return whether the warning cause an abort or be ignored.
@param warning: The warning name
@type warning: str
@return: False if this warning should cause an abort, True if it should
be ignored or None if this warning has no default handler.
@rtype: bool or None
"""
if self.aborts is not True:
if warning in self.aborts:
return False
if self.ignoreWarning is True or (self.ignoreWarning is not False
and warning in self.ignoreWarning):
return True
return None if self.aborts is not True else False
def _handle_warnings(self, warnings):
messages = '\n'.join('{0.code}: {0.info}'.format(warning)
for warning in sorted(warnings,
key=lambda w: w.code))
if len(warnings) > 1:
messages = '\n' + messages
pywikibot.output('We got the following warning(s): ' + messages)
answer = True
for warning in warnings:
this_answer = self._handle_warning(warning.code)
if this_answer is False:
answer = False
break
elif this_answer is None:
answer = None
if answer is None:
answer = pywikibot.input_yn('Do you want to ignore?',
default=False, automatic_quit=False)
return answer
def process_filename(self, file_url=None):
"""Return base filename portion of file_url."""
if not file_url:
file_url = self.url
pywikibot.warning('file_url is not given. '
'Set to self.url by default.')
always = self.getOption('always')
# Isolate the pure name
filename = file_url
# Filename may be either a URL or a local file path
if '://' in filename:
# extract the path portion of the URL
filename = urlparse(filename).path
filename = os.path.basename(filename)
if self.useFilename:
filename = self.useFilename
if self.filename_prefix:
filename = self.filename_prefix + filename
if not self.keepFilename:
pywikibot.output(
'The filename on the target wiki will default to: %s'
% filename)
assert not always
newfn = pywikibot.input(
'Enter a better name, or press enter to accept:')
if newfn != '':
filename = newfn
# FIXME: these 2 belong somewhere else, presumably in family
# forbidden characters are handled by pywikibot/page.py
forbidden = ':*?/\\' # to be extended
try:
allowed_formats = self.targetSite.siteinfo.get(
'fileextensions', get_default=False)
except KeyError:
allowed_formats = []
else:
allowed_formats = [item['ext'] for item in allowed_formats]
# ask until it's valid
first_check = True
while True:
if not first_check:
if always:
filename = None
else:
filename = pywikibot.input('Enter a better name, or press '
'enter to skip the file:')
if not filename:
return None
first_check = False
ext = os.path.splitext(filename)[1].lower().strip('.')
# are any chars in forbidden also in filename?
invalid = set(forbidden) & set(filename)
if invalid:
c = ''.join(invalid)
pywikibot.output(
'Invalid character(s): %s. Please try again' % c)
continue
if allowed_formats and ext not in allowed_formats:
if always:
pywikibot.output('File format is not one of '
'[{0}]'.format(' '.join(allowed_formats)))
continue
elif not pywikibot.input_yn(
'File format is not one of [%s], but %s. Continue?'
% (' '.join(allowed_formats), ext),
default=False, automatic_quit=False):
continue
potential_file_page = pywikibot.FilePage(self.targetSite, filename)
if potential_file_page.exists():
overwrite = self._handle_warning('exists')
if overwrite is False:
pywikibot.output(
'File exists and you asked to abort. Skipping.')
return None
if potential_file_page.canBeEdited():
if overwrite is None:
overwrite = not pywikibot.input_yn(
'File with name %s already exists. '
'Would you like to change the name? '
'(Otherwise file will be overwritten.)'
% filename, default=True,
automatic_quit=False)
if not overwrite:
continue
else:
break
else:
pywikibot.output('File with name %s already exists and '
'cannot be overwritten.' % filename)
continue
else:
try:
if potential_file_page.fileIsShared():
pywikibot.output(
'File with name %s already exists in shared '
'repository and cannot be overwritten.' % filename)
continue
else:
break
except pywikibot.NoPage:
break
# A proper description for the submission.
# Empty descriptions are not accepted.
if self.description:
pywikibot.output('The suggested description is:\n%s'
% self.description)
while not self.description or self.verifyDescription:
if not self.description:
pywikibot.output(color_format(
'{lightred}It is not possible to upload a file '
'without a description.{default}'))
assert not always
# if no description, ask if user want to add one or quit,
# and loop until one is filled.
# if self.verifyDescription, ask if user want to change it
# or continue.
if self.description:
question = 'Do you want to change this description?'
else:
question = 'No description was given. Add one?'
if pywikibot.input_yn(question, default=not self.description,
automatic_quit=self.description):
from pywikibot import editor as editarticle
editor = editarticle.TextEditor()
try:
newDescription = editor.edit(self.description)
except ImportError:
raise
except Exception as e:
pywikibot.error(e)
continue
# if user saved / didn't press Cancel
if newDescription:
self.description = newDescription
elif not self.description:
raise QuitKeyboardInterrupt
self.verifyDescription = False
return filename
def abort_on_warn(self, warn_code):
"""Determine if the warning message should cause an abort."""
if self.aborts is True:
return True
else:
return warn_code in self.aborts
def ignore_on_warn(self, warn_code):
"""Determine if the warning message should be ignored."""
if self.ignoreWarning is True:
return True
else:
return warn_code in self.ignoreWarning
@deprecated('UploadRobot.upload_file()', since='20141211')
@deprecated_args(debug=None)
def upload_image(self):
"""Upload image."""
return self.upload_file(self.url)
@deprecated_args(debug=None)
def upload_file(self, file_url, _file_key=None, _offset=0):
"""Upload the image at file_url to the target wiki.
Return the filename that was used to upload the image.
If the upload fails, ask the user whether to try again or not.
If the user chooses not to retry, return None.
"""
filename = self.process_filename(file_url)
if not filename:
return None
site = self.targetSite
imagepage = pywikibot.FilePage(site, filename) # normalizes filename
imagepage.text = self.description
pywikibot.output('Uploading file to {0}...'.format(site))
success = False
ignore_warnings = self.ignoreWarning is True or self._handle_warnings
if ('://' in file_url
and 'upload_by_url' not in site.userinfo['rights']):
file_url = self.read_file_content(file_url)
try:
success = imagepage.upload(file_url,
ignore_warnings=ignore_warnings,
chunk_size=self.chunk_size,
_file_key=_file_key, _offset=_offset,
comment=self.summary)
except pywikibot.data.api.APIError as error:
if error.code == 'uploaddisabled':
pywikibot.error(
'Upload error: Local file uploads are disabled on %s.'
% site)
else:
pywikibot.error('Upload error: ', exc_info=True)
return None
except Exception:
pywikibot.error('Upload error: ', exc_info=True)
return None
else:
if success:
# No warning, upload complete.
pywikibot.output('Upload of %s successful.' % filename)
self._save_counter += 1
return filename # data['filename']
else:
pywikibot.output('Upload aborted.')
return None
def run(self):
"""Run bot."""
# early check that upload is enabled
if self.targetSite.is_uploaddisabled():
pywikibot.error(
'Upload error: Local file uploads are disabled on %s.'
% self.targetSite)
return
# early check that user has proper rights to upload
if 'upload' not in self.targetSite.userinfo['rights']:
pywikibot.error(
"User '%s' does not have upload rights on site %s."
% (self.targetSite.user(), self.targetSite))
return
try:
if isinstance(self.url, basestring):
self._treat_counter = 1
return self.upload_file(self.url)
for file_url in self.url:
self.upload_file(file_url)
self._treat_counter += 1
except QuitKeyboardInterrupt:
pywikibot.output('\nUser quit %s bot run...' %
self.__class__.__name__)
except KeyboardInterrupt:
if config.verbose_output:
raise
else:
pywikibot.output('\nKeyboardInterrupt during %s bot run...' %
self.__class__.__name__)
finally:
self.exit()
class EditReplacement(ChoiceException, UnhandledAnswer):
"""The text should be edited and replacement should be restarted."""
def __init__(self):
"""Initializer."""
super(EditReplacement, self).__init__('edit', 'e')
self.stop = True
class InteractiveUnlink(InteractiveReplace):
"""An implementation which just allows unlinking."""
def __init__(self, bot):
"""Create default settings."""
super(InteractiveUnlink, self).__init__(
old_link=bot.pageToUnlink, new_link=False, default='u')
self._always = AlwaysChoice(self, 'unlink all pages', 'a')
self._always.always = bot.getOption('always')
self.additional_choices = [
AlwaysChoice(self, 'unlink all on page', 'p'),
self._always, EditReplacement()]
self._bot = bot
self.context = 100
self.context_change = 100
def handle_answer(self, choice):
"""Handle choice and store in bot's options."""
answer = super(InteractiveUnlink, self).handle_answer(choice)
self._bot.options['always'] = self._always.always
return answer
class BaseUnlinkBot(ExistingPageBot, NoRedirectPageBot, AutomaticTWSummaryBot):
"""A basic bot unlinking a given link from the current page."""
def __init__(self, **kwargs):
"""Redirect all parameters and add namespace as an available option."""
self.availableOptions.update({
'namespaces': [],
# Which namespaces should be processed?
# default to [] which means all namespaces will be processed
})
super(BaseUnlinkBot, self).__init__(**kwargs)
def _create_callback(self):
"""Create a new callback instance for replace_links."""
return InteractiveUnlink(self)
def unlink(self, target_page):
"""Unlink all links linking to the target page."""
text = self.current_page.text
while True:
unlink_callback = self._create_callback()
try:
text = replace_links(text, unlink_callback, target_page.site)
except EditReplacement:
new_text = TextEditor().edit(
unlink_callback.current_text,
jumpIndex=unlink_callback.current_range[0])
# if user didn't press Cancel
if new_text:
text = new_text
else:
text = unlink_callback.current_text
else:
break
self.put_current(text)