Ejemplo n.º 1
0
def on_edit(request, page_name):
    """Edit the current revision of a page."""
    change_note = error = ''
    revision = Revision.query.filter(
        (Page.name == page_name) &
        (Page.page_id == Revision.page_id)
    ).order_by(Revision.revision_id.desc()).first()
    if revision is None:
        page = None
    else:
        page = revision.page

    if request.method == 'POST':
        text = request.form.get('text')
        if request.form.get('cancel') or \
           revision and revision.text == text:
            return redirect(href(page.name))
        elif not text:
            error = 'You cannot save empty revisions.'
        else:
            change_note = request.form.get('change_note', '')
            if page is None:
                page = Page(page_name)
            revision = Revision(page, text, change_note)
            session.commit()
            return redirect(href(page.name))

    return Response(generate_template('action_edit.html',
        revision=revision,
        page=page,
        new=page is None,
        page_name=page_name,
        change_note=change_note,
        error=error
    ))
Ejemplo n.º 2
0
def on_revert(request, page_name):
    """Revert an old revision."""
    rev_id = request.args.get("rev", type=int)

    old_revision = page = None
    error = "No such revision"

    if request.method == "POST" and request.form.get("cancel"):
        return redirect(href(page_name))

    if rev_id:
        old_revision = Revision.query.filter(
            (Revision.revision_id == rev_id) & (Revision.page_id == Page.page_id) & (Page.name == page_name)
        ).first()
        if old_revision:
            new_revision = (
                Revision.query.filter((Revision.page_id == Page.page_id) & (Page.name == page_name))
                .order_by(Revision.revision_id.desc())
                .first()
            )
            if old_revision == new_revision:
                error = "You tried to revert the current active " "revision."
            elif old_revision.text == new_revision.text:
                error = "There are no changes between the current " "revision and the revision you want to " "restore."
            else:
                error = ""
                page = old_revision.page
                if request.method == "POST":
                    change_note = request.form.get("change_note", "")
                    change_note = "revert" + (change_note and ": " + change_note or "")
                    session.add(Revision(page, old_revision.text, change_note))
                    session.commit()
                    return redirect(href(page_name))

    return Response(generate_template("action_revert.html", error=error, old_revision=old_revision, page=page))
Ejemplo n.º 3
0
def on_revert(request, page_name):
    """Revert an old revision."""
    rev_id = request.args.get('rev', type=int)

    old_revision = page = None
    error = 'No such revision'

    if request.method == 'POST' and request.form.get('cancel'):
        return redirect(href(page_name))

    if rev_id:
        old_revision = Revision.query.filter(
            (Revision.revision_id == rev_id) &
            (Revision.page_id == Page.page_id) &
            (Page.name == page_name)
        ).first()
        if old_revision:
            new_revision = Revision.query.filter(
                (Revision.page_id == Page.page_id) &
                (Page.name == page_name)
            ).order_by(Revision.revision_id.desc()).first()
            if old_revision == new_revision:
                error = 'You tried to revert the current active ' \
                        'revision.'
            elif old_revision.text == new_revision.text:
                error = 'There are no changes between the current ' \
                        'revision and the revision you want to ' \
                        'restore.'
            else:
                error = ''
                page = old_revision.page
                if request.method == 'POST':
                    change_note = request.form.get('change_note', '')
                    change_note = 'revert' + (change_note and ': ' +
                                              change_note or '')
                    revision = Revision(page, old_revision.text,
                                        change_note)
                    session.commit()
                    return redirect(href(page_name))

    return Response(generate_template('action_revert.html',
        error=error,
        old_revision=old_revision,
        page=page
    ))
Ejemplo n.º 4
0
def on_edit(request, page_name):
    """Edit the current revision of a page."""
    change_note = error = ""
    revision = (
        Revision.query.filter((Page.name == page_name) & (Page.page_id == Revision.page_id))
        .order_by(Revision.revision_id.desc())
        .first()
    )
    if revision is None:
        page = None
    else:
        page = revision.page

    if request.method == "POST":
        text = request.form.get("text")
        if request.form.get("cancel") or revision and revision.text == text:
            return redirect(href(page.name))
        elif not text:
            error = "You cannot save empty revisions."
        else:
            change_note = request.form.get("change_note", "")
            if page is None:
                page = Page(page_name)
                session.add(page)
            session.add(Revision(page, text, change_note))
            session.commit()
            return redirect(href(page.name))

    return Response(
        generate_template(
            "action_edit.html",
            revision=revision,
            page=page,
            new=page is None,
            page_name=page_name,
            change_note=change_note,
            error=error,
        )
    )
Ejemplo n.º 5
0
    def dispatch_request(self, environ, start_response):
        """Dispatch an incoming request."""
        # set up all the stuff we want to have for this request.  That is
        # creating a request object, propagating the application to the
        # current context and instanciating the database session.
        self.bind_to_context()
        request = Request(environ)
        request.bind_to_context()

        # get the current action from the url and normalize the page name
        # which is just the request path
        action_name = request.args.get('action') or 'show'
        page_name = u'_'.join([x for x in request.path.strip('/')
                               .split() if x])

        # redirect to the Main_Page if the user requested the index
        if not page_name:
            response = redirect(href('Main_Page'))

        # check special pages
        elif page_name.startswith('Special:'):
            if page_name[8:] not in pages:
                response = page_not_found(request, page_name)
            else:
                response = pages[page_name[8:]](request)

        # get the callback function for the requested action from the
        # action module.  It's "on_" + the action name.  If it doesn't
        # exists call the missing_action method from the same module.
        else:
            action = getattr(actions, 'on_' + action_name, None)
            if action is None:
                response = actions.missing_action(request, action_name)
            else:
                response = action(request, page_name)

        # make sure the session is removed properly
        return ClosingIterator(response(environ, start_response),
                               session.remove)