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#!/usr/bin/python
# -*- coding: latin1 -*-
### Copyright (C) 2007 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 config
import common
import metadata
import videometadata
import operator
def _getDefaultLocation(options, ignore_missing_dir=False):
if ignore_missing_dir:
return common.getFullPath(options[0])
for default in options:
path = common.getFullPath(default)
if os.path.isdir(path):
return path
return common.getFullPath('')
def getDefaultPhotoLocation(ignore_missing_dir=False):
return _getDefaultLocation(config.DEFAULT_PHOTO_LOCATIONS, ignore_missing_dir)
def getDefaultVideoLocation(ignore_missing_dir=False):
return _getDefaultLocation(config.DEFAULT_VIDEO_LOCATIONS, ignore_missing_dir)
def is_DCIM_Media(path):
""" Returns true if directory specifies some media with photos on it """
if os.path.isdir(os.path.join(path, "DCIM")):
# is very likely a memory card, or something like that!
return True
else:
return False
def isBackupMedia(path, identifiers, writeable=True):
""" Test to see if path is used as a backup medium for storing photos or videos
Identifiers is expected to be a list of folder names to check to see
if the path is a backup path. Only one of them needs to be present
for the path to be considered a backup medium.
If writeable is True, the directory must be writeable by the user """
suitable = False
for identifier in identifiers:
if os.path.isdir(os.path.join(path, identifier)):
if writeable:
suitable = os.access(os.path.join(path, identifier), os.W_OK)
else:
suitable = True
if suitable:
return True
return False
def isImage(fileName):
ext = os.path.splitext(fileName)[1].lower()[1:]
return (ext in metadata.RAW_FILE_EXTENSIONS) or (ext in metadata.NON_RAW_IMAGE_FILE_EXTENSIONS)
def isVideo(fileName):
ext = os.path.splitext(fileName)[1].lower()[1:]
return (ext in videometadata.VIDEO_FILE_EXTENSIONS)
def getVideoThumbnailFile(fullFileName):
"""
Checks to see if a thumbnail file is in the same directory as the
file. Expects a full path to be part of the file name.
Returns the filename, including path, if found, else returns None.
"""
f = None
name, ext = os.path.splitext(fullFileName)
for e in videometadata.VIDEO_THUMBNAIL_FILE_EXTENSIONS:
if os.path.exists(name + '.' + e):
f = name + '.' + e
break
if os.path.exists(name + '.' + e.upper()):
f = name + '.' + e.upper()
break
return f
class Media:
""" Generic class for media holding images and videos """
def __init__(self, path, volume = None):
"""
volume is a gnomevfs or gio volume: see class Volume in rapid.py
"""
self.path = path
self.volume = volume
def prettyName(self, limit=config.MAX_LENGTH_DEVICE_NAME):
"""
Returns a name for the media, useful for display.
If the media is from a gnomevfs volume, returns the gnome name.
Else. returns the last part of the mount point after stripping out
underscores.
"""
if self.volume:
return self.volume.get_name(limit)
else:
name = os.path.split(self.path)[1]
name = name.replace('_', ' ')
v = name
if limit:
if len(v) > limit:
v = v[:limit] + '...'
return v
def getPath(self):
return self.path
class CardMedia(Media):
"""Compact Flash cards, hard drives, etc."""
def __init__(self, path, volume = None, doNotScan=True):
"""
volume is a gnomevfs or gio volume, see class Volume in rapid.py
"""
Media.__init__(self, path, volume)
def setMedia(self, imagesAndVideos, fileSizeSum, noFiles):
self.imagesAndVideos = imagesAndVideos
self.fileSizeSum = fileSizeSum
self.noFiles = noFiles
def numberOfImagesAndVideos(self):
return self.noFiles
def sizeOfImagesAndVideos(self, humanReadable = True):
if humanReadable:
return common.formatSizeForUser(self.fileSizeSum)
else:
return self.fileSizeSum
def _firstFile(self, function_to_check):
if self.imagesAndVideos:
for i in range(len(self.imagesAndVideos)):
if function_to_check(self.imagesAndVideos[i][0]):
return self.imagesAndVideos[i]
else:
return None
def firstImage(self):
return self._firstFile(isImage)
def firstVideo(self):
return self._firstFile(isVideo)
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