[doc] Update documentation

* wikipedia --> Wikipedia
* wikibase --> Wikibase
** See https://en.wikipedia.org/wiki/Wikibase

Change-Id: I4f8b19e7cb5e2750d597afaa6713bb1c420f5bec

README.rst

@@ -96,7 +96,7 @@ A sample pywikibot script for getting data from Wikibase:
 
     import pywikibot
     site = pywikibot.Site('wikipedia:en')
-    repo = site.data_repository()  # the wikibase repository for given site
+    repo = site.data_repository()  # the Wikibase repository for given site
     page = repo.page_from_repository('Q91')  # create a local page for the given item
     item = pywikibot.ItemPage(repo, 'Q91')  # a repository item
     data = item.get()  # get all item data from repository for this item

pywikibot/page/__init__.py

@@ -2175,15 +2175,15 @@ def get_best_claim(self, prop: str):
         """
         Return the first best Claim for this page.
 
-        Return the first 'preferred' ranked Claim specified by wikibase
+        Return the first 'preferred' ranked Claim specified by Wikibase
         property or the first 'normal' one otherwise.
 
         @param prop: property id, "P###"
-        @return: Claim object given by wikibase property number
+        @return: Claim object given by Wikibase property number
             for this page object.
         @rtype: pywikibot.Claim or None
 
-        @raises UnknownExtension: site has no wikibase extension
+        @raises UnknownExtension: site has no Wikibase extension
         """
         def find_best_claim(claims):
             """Find the first best ranked claim."""
@@ -3841,9 +3841,9 @@ def title(self, **kwargs):
         Return ID as title of the ItemPage.
 
         If the ItemPage was lazy-loaded via ItemPage.fromPage, this method
-        will fetch the wikibase item ID for the page, potentially raising
+        will fetch the Wikibase item ID for the page, potentially raising
         NoPage with the page on the linked wiki if it does not exist, or
-        does not have a corresponding wikibase item ID.
+        does not have a corresponding Wikibase item ID.
 
         This method also refreshes the title if the id property was set.
         i.e. item.id = 'Q60'

pywikibot/pagegenerators.py

@@ -2234,7 +2234,7 @@ def WikibaseItemGenerator(gen):
 def WikibaseItemFilterPageGenerator(generator, has_item: bool = True,
                                     show_filtered: bool = False):
     """
-    A wrapper generator used to exclude if page has a wikibase item or not.
+    A wrapper generator used to exclude if page has a Wikibase item or not.
 
     @param generator: Generator to wrap.
     @type generator: generator

pywikibot/site/_apisite.py

@@ -1015,17 +1015,17 @@ def is_data_repository(self):
 
     def page_from_repository(self, item):
         """
-        Return a Page for this site object specified by wikibase item.
+        Return a Page for this site object specified by Wikibase item.
 
         @param item: id number of item, "Q###",
         @type item: str
-        @return: Page, or Category object given by wikibase item number
+        @return: Page, or Category object given by Wikibase item number
             for this site object.
         @rtype: pywikibot.Page or None
 
-        @raises pywikibot.exceptions.UnknownExtension: site has no wikibase
+        @raises pywikibot.exceptions.UnknownExtension: site has no Wikibase
             extension
-        @raises NotimplementedError: method not implemented for a wikibase site
+        @raises NotimplementedError: method not implemented for a Wikibase site
         """
         if not self.has_data_repository:
             raise UnknownExtension(

scripts/category.py

@@ -51,7 +51,7 @@
  -hist        - Creates a nice wikitable on the talk page of target category
                 that contains detailed page history of the source category.
  -nodelete    - Don't delete the old category after move.
- -nowb        - Don't update the wikibase repository.
+ -nowb        - Don't update the Wikibase repository.
  -allowsplit  - If that option is not set, it only moves the talk and main
                 page together.
  -mvtogether  - Only move the pages/subcategories of a category, if the
@@ -592,7 +592,7 @@ def __init__(self, oldcat, newcat=None, batch=False, comment='',
         self.title_regex = title_regex
         self.history = history
         self.pagesonly = pagesonly
-        # if that page doesn't has a wikibase
+        # if that page doesn't has a Wikibase
         self.wikibase = wikibase and self.site.has_data_repository
         self.allow_split = allow_split
         self.move_together = move_together

scripts/newitem.py

@@ -14,7 +14,7 @@
 -pageage          The minimum number of days that has passed since the page was
                   created.
 
--touch            Do a null edit on every page which has a wikibase item.
+-touch            Do a null edit on every page which has a Wikibase item.
                   Be careful, this option can trigger edit rates or captchas
                   if your account is not autoconfirmed.
 

scripts/redirect.py

@@ -57,7 +57,7 @@
 
 -sdtemplate:x  Add the speedy deletion template string including brackets.
                This enables overriding the default template via i18n or
-               to enable speedy deletion for projects other than wikipedias.
+               to enable speedy deletion for projects other than Wikipedias.
 
 -always        Don't prompt you for each replacement.