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#!/usr/bin/python
#
# release_notes.py - "I can't believe it's not a web browser."
#
# David Cantrell <dcantrell@redhat.com>
#
# Copyright 2006 Red Hat, Inc.
#
# This software may be freely redistributed under the terms of the GNU
# library public license.
#
# You should have received a copy of the GNU Library Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import sys
import os
import gtk
import gtkhtml2
import urllib
import urlparse
import thread
import threading
import gui
from rhpl.translate import _, N_
class ReleaseNotesViewer(threading.Thread):
def __init__(self):
self.currentURI = None
self.htmlheader = "<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"></head><body bgcolor=\"white\"><pre>"
self.htmlfooter = "</pre></body></html>"
self.doc = gtkhtml2.Document()
self.vue = gtkhtml2.View()
self.opener = urllib.FancyURLopener()
self.doc.connect('request_url', self.requestURLCallBack)
self.doc.connect('link_clicked', self.linkClickedCallBack)
self.vue.connect('request_object', self.requestObjectCallBack)
self.topDir = None
self.width = None
self.height = None
#self.id = id
#self.dispatch = dispatch
self.id = None
self.dispatch = None
if self.id is not None and self.dispatch is not None:
self.load()
self.resize()
threading.Thread.__init__(self, name='RelNotesThr')
def run(self):
self.load()
self.resize()
self.view()
def setId(self, id):
self.id = id
def setDispatch(self, dispatch):
self.dispatch = dispatch
def getReleaseNotes(self):
langs = self.id.instLanguage.getCurrentLangSearchList() + [ "" ]
suffixList = []
for lang in langs:
if lang:
suffixList.append("-%s.html" % (lang,))
suffixList.append(".%s" % (lang,))
for suffix in suffixList:
fn = "RELEASE-NOTES%s" % (suffix,)
try:
tmpfile = os.path.abspath("/" +
self.dispatch.method.getFilename(fn,
destdir="/tmp", retry=0))
if tmpfile is None:
continue
# Just because we got a filename back doesn't
# mean it's a valid file. Check that it's not
# zero length too.
st = os.stat(tmpfile)
if st.st_size == 0L:
os.remove(tmpfile)
continue
self.topDir = os.path.dirname(tmpfile)
return tmpfile
except:
continue
print "here"
return None
def resize(self, w=None, h=None):
sw = gtk.gdk.screen_width()
(step, args) = self.dispatch.currentStep()
if w is None:
if sw >= 800:
self.width = 800
else:
self.width = 640
else:
self.width = int(w)
# if we are at the installation progress bar step, make the
# release notes window smaller so the progress bar is still
# visible...otherwise, consume the entire screen
if h is None:
if sw >= 800:
if step == "installpackages":
self.height = 445
else:
self.height = 600
else:
if step == "installpackages":
self.height = 300
else:
self.height = 480
else:
self.height = int(h)
# FIXME: replace with logger from anaconda_log (fix exec first)
def log(self, string):
print string
def load(self, uri=None):
def loadWrapper(baloney):
self.doc.open_stream('text/html')
self.doc.write_stream(self.htmlheader)
self.doc.write_stream(baloney)
self.doc.write_stream(self.htmlfooter)
if uri is None:
uri = self.getReleaseNotes()
if os.access(uri, os.R_OK):
try:
f = self.openURI(uri)
except OSError:
log.info("Failed to open %s" % (link,))
return
self.doc.clear()
headers = f.info()
mime = headers.getheader('Content-type')
if mime:
self.doc.open_stream(mime)
self.doc.write_stream(f.read())
else:
loadWrapper(f.read())
self.doc.close_stream()
f.close()
self.currentURI = self.resolveURI(uri)
else:
loadWrapper(_("Release notes are missing.\n"))
self.currentURI = None
def view(self):
self.vue.set_document(self.doc)
textWin = gtk.Dialog(flags=gtk.DIALOG_MODAL)
table = gtk.Table(3, 3, False)
textWin.vbox.pack_start(table)
textWin.add_button('gtk-close', gtk.RESPONSE_NONE)
textWin.connect("response", self.closedCallBack)
vbox1 = gtk.VBox()
vbox1.set_border_width(10)
frame = gtk.Frame("")
frame.add(vbox1)
frame.set_label_align(0.5, 0.5)
frame.set_shadow_type(gtk.SHADOW_NONE)
textWin.set_position(gtk.WIN_POS_NONE)
textWin.set_gravity(gtk.gdk.GRAVITY_NORTH_WEST)
if self.vue is not None:
sw = gtk.ScrolledWindow()
sw.set_policy(gtk.POLICY_AUTOMATIC,gtk.POLICY_AUTOMATIC)
sw.set_shadow_type(gtk.SHADOW_IN)
sw.add(self.vue)
vbox1.pack_start(sw)
a = gtk.Alignment(0, 0, 1.0, 1.0)
a.add(frame)
textWin.set_default_size(self.width, self.height)
textWin.set_size_request(self.width, self.height)
# we want the release notes dialog to be the same
# size as the main installer window so it covers it
# up completely. this isn't always the same size
# as the root window, so figure out our northwest
# origin point and then move the window
if gtk.gdk.screen_width() == self.width:
textWin.move(0, 0)
else:
# the width will always be fixed, but our
# height changes depending on the installation
# stage, so do the origin point calculations
# using what would be the full height
if self.width == 800:
fullh = 600
elif self.width == 640:
fullh = 480
left = (gtk.gdk.screen_width() - self.width) / 2
top = (gtk.gdk.screen_height() - fullh) / 2
textWin.move(left, top)
table.attach(a, 1, 2, 1, 2, gtk.FILL | gtk.EXPAND, gtk.FILL | gtk.EXPAND, 5, 5)
textWin.set_border_width(0)
gui.addFrame(textWin, _("Release Notes"))
textWin.show_all()
else:
textWin.set_position(gtk.WIN_POS_CENTER)
label = gtk.Label(_("Unable to load file!"))
table.attach(label, 1, 2, 1, 2, gtk.FILL | gtk.EXPAND, gtk.FILL | gtk.EXPAND, 5, 5)
textWin.set_border_width(0)
gui.addFrame(textWin)
textWin.show_all()
# set cursor to normal (assuming that anaconda set it to busy
# when it exec'd this viewer app to give progress indicator
# to user).
root = gtk.gdk.get_default_root_window()
cursor = gtk.gdk.Cursor(gtk.gdk.LEFT_PTR)
root.set_cursor(cursor)
gtk.threads_enter()
gtk.main()
gtk.threads_leave()
def resolveURI(self, link):
parts = urlparse.urlparse(link)
if parts[0] or parts[1]:
return link
else:
return urlparse.urljoin(self.currentURI, link)
def openURI(self, link):
return self.opener.open(self.resolveURI(link))
def closedCallBack(self, widget, data):
root = gtk.gdk.get_default_root_window()
cursor = gtk.gdk.Cursor(gtk.gdk.WATCH)
root.set_cursor(cursor)
thread.exit()
def linkClickedCallBack(self, document, link):
if link[0] == '#':
self.log("jump to anchor: %s" % (link,))
self.vue.jump_to_anchor(link)
else:
self.load(link)
def requestURLCallBack(self, document, url, stream):
try:
f = self.openURI(url)
stream.write(f.read())
except:
# we'll try local from self.topDir
url = os.path.abspath(self.topDir + '/' + url)
try:
f = self.openURI(url)
stream.write(f.read())
except:
self.log("requested url not found: %s" % (url,))
def requestObjectCallBack(self, *args):
self.log("request objects call back: %s" % (args))
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