add test files

This commit is contained in:
2018-12-12 14:56:48 -08:00
parent 26ea272114
commit 9c5a1b18f0
14 changed files with 114035 additions and 80 deletions

94
wikiq
View File

@@ -17,7 +17,7 @@ from mwxml import Dump, Page
from deltas.tokenizers import wikitext_split
from mwdiffs.utilities import dump2diffs
import mwpersistence
from mwpersistence.state import Version, apply_opdocs, apply_operations, persist_revision_once
from mwpersistence.state import DiffState
from mwpersistence import Token
from mwpersistence.utilities import diffs2persistence
@@ -29,46 +29,8 @@ from deltas import SegmentMatcher
TO_ENCODE = ('title', 'editor')
PERSISTENCE_RADIUS=7
# this is a simple override of mwpersistence.DiffState that doesn't do anything special for reverts.
class WikiqDiffState(mwpersistence.DiffState):
def _update(self, text=None, checksum=None, opdocs=None, revision=None):
if checksum is None:
if text is None:
raise TypeError("Either 'text' or 'checksum' must be " +
"specified.")
else:
checksum = sha1(bytes(text, 'utf8')).hexdigest()
current_version = Version()
# the main difference we have is that we don't do anything special for reverts
if opdocs is not None:
transition = apply_opdocs(opdocs, self.last.tokens or [])
current_version.tokens, _, _ = transition
else:
# NOTICE: HEAVY COMPUTATION HERE!!!
#
# Diffs usually run in O(n^2) -- O(n^3) time and most
# tokenizers produce a lot of tokens.
if self.diff_processor is None:
raise RuntimeError("DiffState cannot process raw text " +
"without a diff_engine specified.")
operations, _, current_tokens = \
self.diff_processor.process(text, token_class=Token)
transition = apply_operations(operations,
self.last.tokens or [],
current_tokens)
current_version.tokens, _, _ = transition
# Record persistence
persist_revision_once(current_version.tokens, revision)
# Update last version
self.last = current_version
# Return the tranisitoned state
return transition
ws_lex = ['break','whitespace']
punct_lex = ['period','qmark','epoint','comma','colon','scolon','paren_open','paren_close','brack_open','brack_close','dbrack_close','dbrack_open','tab_close','tab_open','dcurly_close','dcurly_open','equals','bar','etc','bold','italic','tag','comment_end','comment_start']
class PersistMethod:
none = 0
@@ -76,20 +38,14 @@ class PersistMethod:
segment = 2
legacy = 3
def calculate_persistence(tokens_added, tokens_removed, exclude_ws = True, exclude_punct = False):
cond = True
ws_lex = ['break','whitespace']
punct_lex = ['period','qmark','epoint','comma','colon','scolon','paren_open','paren_close','brack_open','brack_close','dbrack_close','dbrack_open','tab_close','tab_open','dcurly_close','dcurly_open','equals','bar','etc','bold','italic','tag','comment_end','comment_start']
def calculate_persistence(tokens_added, tokens_removed, exclude_ws = False, exclude_punct = False, legacy = False):
if not legacy:
cond = lambda t: not (exclude_punct and (t.type in punct_lex)) \
and not(exclude_ws and (t.type in ws_lex))
if exclude_ws:
cond = lambda t: cond and not t.type in ws_lex
if exclude_punct:
cond = lambda t: cond and not t.type in punct_lex
tokens_added = [t for t in tokens_added if cond(t)]
tokens_removed = [t for t in tokens_removed if cond(t)]
tokens_added = [t for t in tokens_added if cond(t)]
tokens_removed = [t for t in tokens_removed if cond(t)]
return(sum([(len(x.revisions)-1) for x in tokens_added]),
len(tokens_added),
@@ -100,17 +56,18 @@ class WikiqIterator(Dump):
@classmethod
def from_file(cls, fh, collapse_user = False):
cls = super(WikiqIterator, cls).from_file(fh)
cls.fh = fh
cls.collapse_user = collapse_user
cls.namespace_map = { ns.id : ns.name for ns in
cls.site_info.namespaces }
cls = super(WikiqIterator, cls).from_file(fh)
return cls
@classmethod
def process_item(cls, item_element, namespace_map, collapse_user = False):
def process_item(cls, item_element, namespace_map):
if not hasattr(cls,'inv_namespace_map'):
cls.inv_namespace_map = {ns.id:name for name, ns in namespace_map.items()}
if item_element.tag == "page":
return WikiqPage.from_element(item_element, namespace_map, collapse_user)
return WikiqPage.from_element(item_element, namespace_map, cls.inv_namespace_map, cls.collapse_user)
elif item_element.tag == "logitem":
return LogItem.from_element(item_element, namespace_map)
else:
@@ -122,11 +79,9 @@ class WikiqPage(Page):
'restrictions','collapse_user')
@classmethod
def from_element(cls, item_element, namespace_map, collapse_user = False):
def from_element(cls, item_element, namespace_map, inv_namespace_map, collapse_user = False):
cls.prev_rev = None
inv_namespace_map = {ns.id:name for name,ns in namespace_map.items()}
cls = super(WikiqPage, cls).from_element(item_element, namespace_map)
# following mwxml, we assume namespace 0 in cases where
@@ -186,7 +141,8 @@ class WikiqPage(Page):
if self.collapse_user:
collapsed_revs = 1
rev.collapsed_revs = collapsed_revs
self.prev_rev.collapsed_revs = collapsed_revs
prev_rev = self.prev_rev
for rev in self.revisions:
rev = WikiqPage._correct_sha(rev)
@@ -235,12 +191,6 @@ class WikiqPage(Page):
revision.page = self
yield revision
# def __iter__(self):
# return self.__revisions
# def __next__(self):
# return next(self.__revisions)
class WikiqParser():
def __init__(self, input_file, output_file, collapse_user=False, persist=None, urlencode=False, namespaces = None):
@@ -315,11 +265,11 @@ class WikiqParser():
window = deque(maxlen=PERSISTENCE_RADIUS)
if self.persist == PersistMethod.sequence:
state = WikiqDiffState(SequenceMatcher(tokenizer = wikitext_split),
state = DiffState(SequenceMatcher(tokenizer = wikitext_split),
revert_radius=PERSISTENCE_RADIUS)
elif self.persist == PersistMethod.segment:
state = WikiqDiffState(SegmentMatcher(tokenizer = wikitext_split),
state = DiffState(SegmentMatcher(tokenizer = wikitext_split),
revert_radius=PERSISTENCE_RADIUS)
else:
@@ -410,7 +360,7 @@ class WikiqParser():
if len(window) == PERSISTENCE_RADIUS:
old_rev_id, old_rev_data, old_tokens_added, old_tokens_removed = window[0]
num_token_revs, num_tokens_added, num_tokens_removed = calculate_persistence(old_tokens_added, old_tokens_removed)
num_token_revs, num_tokens_added, num_tokens_removed = calculate_persistence(old_tokens_added, old_tokens_removed, legacy = self.persist == PersistMethod.legacy)
old_rev_data["token_revs"] = num_token_revs
old_rev_data["tokens_added"] = num_tokens_added
@@ -433,7 +383,7 @@ class WikiqParser():
rev_id, rev_data, tokens_added, tokens_removed = item
num_token_revs, num_tokens_added, num_tokens_removed = calculate_persistence(tokens_added, tokens_removed)
num_token_revs, num_tokens_added, num_tokens_removed = calculate_persistence(tokens_added, tokens_removed, legacy = self.persist == PersistMethod.legacy)
rev_data["token_revs"] = num_token_revs
rev_data["tokens_added"] = num_tokens_added