Imported Upstream version 0.1.0~b2upstream/0.1.0.b2

1 files changed, 181 insertions, 0 deletions

diff --git a/rapid/common.py b/rapid/common.py
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+++ b/rapid/common.py
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+#!/usr/bin/python
+# -*- coding: latin1 -*-
+
+### Copyright (C) 2007-09 Damon Lynch <damonlynch@gmail.com>
+
+### This program is free software; you can redistribute it and/or modify
+### it under the terms of the GNU General Public License as published by
+### the Free Software Foundation; either version 2 of the License, or
+### (at your option) any later version.
+
+### This program is distributed in the hope that it will be useful,
+### but WITHOUT ANY WARRANTY; without even the implied warranty of
+### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+### GNU General Public License for more details.
+
+### You should have received a copy of the GNU General Public License
+### along with this program; if not, write to the Free Software
+### Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+import os
+import sys
+import gc
+import distutils.version
+import gtk.gdk as gdk
+
+import config
+
+import locale
+import gettext
+
+class Configi18n:
+    """ Setup translation
+    
+    Adapated from code example of Mark Mruss http://www.learningpython.com.
+    Unlike his example, this code uses a local locale directory only if the environment
+    variable LOCALEDIR has been set to some or other value.
+    """
+    
+    # Do not put this code block in __init__, because it needs to be run only once
+
+    # if the evironment value 'LOCAELDIR' is set, then use this as the source of translation data
+    # otherwise, rely on the system-wide data
+    locale_path = os.environ.get('LOCALEDIR', None)
+    
+    # Init the list of languages to support
+    langs = []
+    #Check the default locale
+    lc, encoding = locale.getdefaultlocale()
+    if (lc):
+        #If we have a default, it's the first in the list
+        langs = [lc]
+        # Now let's get all of the supported languages on the system
+        language = os.environ.get('LANGUAGE', None)
+        if (language):
+            # langage comes back something like en_CA:en_US:en_GB:en
+            langs += language.split(":")
+            
+    # add on to the back of the list the translations that we know that we have, our defaults
+    langs += ["en_US"]
+
+    # Now langs is a list of all of the languages that we are going
+    # to try to use.  First we check the default, then what the system
+    # told us, and finally the 'known' list
+
+    gettext.bindtextdomain(config.APP_NAME, locale_path)
+    gettext.textdomain(config.APP_NAME)
+    # Get the language to use
+    lang = gettext.translation(config.APP_NAME, locale_path, languages=langs, fallback = True)
+    # Install the language, map _() (which we marked our
+    # strings to translate with) to self.lang.gettext() which will
+    # translate them.
+    _ = lang.gettext
+
+
+def pythonifyVersion(v):
+    """ makes version number a version number in distutils sense"""
+    return distutils.version.StrictVersion(v.replace( '~',''))
+
+def getFullProgramName():
+    """ return the full name of the process running """
+    return os.path.basename(sys.argv[0])
+
+def getProgramName():
+    """ return the name of the process running, removing the .py extension if it exists """
+    programName = getFullProgramName()
+    if programName.find('.py') > 0:
+        programName = programName[:programName.find('.py')]
+    return programName
+
+def splitDirectories(directories):
+    """ split directories specified in string into a list """
+    if directories.find(',') > 0:
+        d  = directories.split(',')
+    else:
+        d = directories.split()
+    directories = []
+    for i in d:
+        directories.append(i.strip())
+    return directories
+
+
+
+def getFullPath(path):
+    """ make path relative to home directory if not an absolute path """
+    if os.path.isabs(path):
+        return path
+    else:
+        return os.path.join(os.path.expanduser('~'), path)    
+        
+    
+def escape(s):
+    """
+    Replace special characters by SGML entities.
+    """
+    entities = ("&&amp;", "<&lt;", ">&gt;")
+    for e in entities:
+        s = s.replace(e[0], e[1:])
+    return s
+
+def formatSizeForUser(bytes, zeroString="", withDecimals=True, kbOnly=False):
+    """Format an int containing the number of bytes into a string suitable for
+    printing out to the user.  zeroString is the string to use if bytes == 0.
+    source: https://develop.participatoryculture.org/trac/democracy/browser/trunk/tv/portable/util.py?rev=3993
+    
+    """
+    if bytes > (1 << 30) and not kbOnly:
+        value = (bytes / (1024.0 * 1024.0 * 1024.0))
+        if withDecimals:
+            format = "%1.1fGB"
+        else:
+            format = "%dGB"
+    elif bytes > (1 << 20) and not kbOnly:
+        value = (bytes / (1024.0 * 1024.0))
+        if withDecimals:
+            format = "%1.1fMB"
+        else:
+            format = "%dMB"
+    elif bytes > (1 << 10):
+        value = (bytes / 1024.0)
+        if withDecimals:
+            format = "%1.1fKB"
+        else:
+            format = "%dKB"
+    elif bytes > 1:
+        value = bytes
+        if withDecimals:
+            format = "%1.1fB"
+        else:
+            format = "%dB"
+    else:
+        return zeroString
+    return format % value
+    
+def scale2pixbuf(width_max, height_max, pixbuf, return_size=False):
+    """
+    Scale to width_max and height_max.
+    Keep aspect ratio.
+    Code adapted from gthumpy, by guettli
+    """
+    
+    width_orig = float(pixbuf.get_width())
+    height_orig = float(pixbuf.get_height())
+    if (width_orig / width_max) > (height_orig / height_max):
+        height = int((height_orig / width_orig) * width_max)
+        width = width_max
+    else:
+        width = int((width_orig / height_orig) * height_max)
+        height=height_max
+
+    pixbuf = pixbuf.scale_simple(width, height, gdk.INTERP_BILINEAR)
+    gc.collect() # Tell Python to clean up the memory
+    if return_size:
+        return pixbuf, width_orig, height_orig
+    return pixbuf
+
+
+    
+if __name__ == '__main__':
+    i = Configi18n()
+    _ = i._
+    print _("hello world")