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import sys, os, shutil, fnmatch, glob, subprocess, platform
from PyQt4 import QtCore, QtGui
from ui_batchrename import Ui_BatchRename
def itemize(obj):
return QtGui.QTableWidgetItem(obj)
# Courtesy http://www.peterbe.com/plog/uniqifiers-benchmark
def uniq(seq):
u'Return only the unique members of the given sequence'
seen = {}
result = []
for item in seq:
if item in seen: continue
seen[item] = 1
result.append(item)
return result
class BatchRename(QtGui.QWidget):
def __init__(self):
super(BatchRename, self).__init__()
# Set up the user interface from Designer
self.ui = Ui_BatchRename()
self.ui.setupUi(self)
# Set the frameless window hint
self.setWindowFlags(QtCore.Qt.FramelessWindowHint)
# Default config
self.count = 0
self.subdir = "renamed"
self.safety = True
self.basename = "file"
self.padding = 3
self.startAt = 1
self.fileFilter = "*.jpg *.jpeg *.tif *.tiff *.png *.raw *.gif"
# Path trace for file browsing
self.trace = []
try:
self.cd(sys.argv[1])
except:
self.cd(os.path.expanduser("~"))
# Fill in defaults on the interface
self.setBasename()
self.setDirectory()
# Set the number of columns in the preview table
self.ui.previewTable.setColumnCount(2)
self.ui.previewTable.horizontalHeader().setResizeMode(QtGui.QHeaderView.Stretch)
self.ui.previewTable.horizontalHeader().setStretchLastSection(True)
# Redraw relevant elements
self.updatePreview()
# Show the window
self.show()
def cd(self, path):
self.directory = path
self.trace.append(path)
def mousePressEvent(self, event):
u'For window dragging; log the position of the last mouse press'
self.offset = event.pos()
def mouseMoveEvent(self, event):
u'Moves the window if the window is being dragged'
x=event.globalX()
y=event.globalY()
x_w = self.offset.x()
y_w = self.offset.y()
self.move(x-x_w, y-y_w)
def pad(self, num):
u'Zero-pad the given number by the current value of self.padding'
return str(num).zfill(self.padding)
def setBasename(self):
u'Set the basename input box to match the current self.basename'
self.ui.basenameInput.setText(self.basename)
def setDirectory(self):
u'Set the directory input box to match the current self.directory'
self.ui.directoryInput.setText(self.directory)
def outputDir(self):
u'Return the output dir for the current directory'
return os.path.join(self.directory, self.subdir)
def genFilename(self, path):
u'Generate the next filename given the current settings and self.count'
ext = os.path.splitext(path)[1]
name = self.basename + "-" + self.pad(self.count+self.startAt-1) + ext
return name
def relativeFilename(self, path):
u'Return the current output filename relative to the output directory'
return os.path.join(self.subdir, self.genFilename(path))
def renameFile(self, path):
u'Return the full path to the current filename'
return os.path.join(self.outputDir(), self.genFilename(path))
def updatePreview(self):
u'Update the targets list and the preview list interface elements'
self.setDirectory()
self.ui.previewTable.clear()
self.ui.previewTable.setHorizontalHeaderItem(0, itemize("Matched Files"))
self.ui.previewTable.setHorizontalHeaderItem(1, itemize("Rename Preview"))
files = self.listFiles()
rows = len(files)
if rows < 16:
rows = 16
self.ui.previewTable.setRowCount(rows)
row = 0
for path in files:
item = itemize(os.path.basename(path))
self.ui.previewTable.setItem(row, 0, item)
row += 1
self.count = 0
for path in files:
self.count += 1
path = os.path.join(self.subdir, self.genFilename(path))
if os.path.exists(os.path.join(self.directory, path)):
icon = "bluelight-on.png"
else:
icon = "bluelight-off.png"
item = itemize(path)
item.setIcon(QtGui.QIcon(icon))
self.ui.previewTable.setItem(self.count-1, 1, item)
self.ui.previewTable.sortItems(0)
if os.path.exists(self.outputDir()):
self.ui.outputButton.setEnabled(True)
self.ui.cleanupButton.setEnabled(True)
else:
self.ui.outputButton.setEnabled(False)
self.ui.cleanupButton.setEnabled(False)
if len(self.trace) > 1:
self.ui.directoryBack.setEnabled(True)
else:
self.ui.directoryBack.setEnabled(False)
def filterFile(self, path):
u'Return true if the given path points to a file'
return os.path.isfile(os.path.join(self.directory, path))
def listFiles(self):
u'Return a list of files in self.directory matching the current filter'
files = []
for extglob in self.fileFilter.split(" "):
fullglob = os.path.join(self.directory, extglob)
files += glob.glob(fullglob)
files = uniq(files)
return [ f for f in files if self.filterFile(f) ]
def rename(self):
u'Rename the targeted files'
files = self.listFiles()
try:
shutil.rmtree(self.outputDir())
except:
pass
try:
os.mkdir(self.outputDir())
except:
pass
self.count = 0
for f in files:
self.count += 1
r = self.renameFile(f)
fabs = os.path.join(self.directory, f)
rabs = os.path.join(self.outputDir(), r)
shutil.copyfile(fabs, rabs)
self.updatePreview()
def changeDirectory(self):
u'Set the target directory from the contents of the directory input box'
self.cd(str(self.ui.directoryInput.text()))
self.updatePreview()
def browseDirectory(self):
u'Open a file browser to select a new target directory'
browse = QtGui.QFileDialog(self)
browse.setDirectory(self.directory)
browse.setFileMode(QtGui.QFileDialog.Directory)
if (browse.exec_()):
self.cd(str(browse.selectedFiles()[0]))
self.ui.directoryInput.setText(self.directory)
self.updatePreview()
def changeBasename(self):
u'Update the basename setting to match the basename input box'
self.basename = str(self.ui.basenameInput.text())
self.updatePreview()
def updateFilter(self):
u'Update the file filter setting to match the filter input box'
self.fileFilter = str(self.ui.filterInput.text())
self.updatePreview()
def updatePadding(self):
u'Update the padding setting to match the padding input box'
self.padding = int(self.ui.paddingInput.text())
self.updatePreview()
def updateStart(self):
u'Update the start-at setting to match the "count from" input box'
self.startAt = int(self.ui.startAtInput.text())
self.updatePreview()
def toggleSafety(self):
u'Enable or disable the rename button'
self.safety = not self.safety
if self.safety:
self.ui.renameButton.setEnabled(True)
else:
self.ui.renameButton.setEnabled(False)
def openOutputDir(self):
u'Open the directory containing the renamed files'
if os.path.exists(self.outputDir()):
platformType = platform.system()
if platformType == "Linux":
subprocess.Popen(["xdg-open", self.outputDir()])
elif platformType == "Windows":
subprocess.Popen(["start", self.outputDir()], shell=True)
def cleanup(self):
u'Remove the output directory if it exists'
try:
shutil.rmtree(self.outputDir())
except:
pass
self.updatePreview()
def doExit(self):
u'Exit the program'
# Call sys.exit instead of exit for MS Windows campatibility
sys.exit()
def upDirectory(self):
parent = os.path.dirname(self.directory)
self.cd(parent)
self.updatePreview()
def backDirectory(self):
if len(self.trace) > 1:
self.trace.pop()
last = self.trace.pop()
self.cd(last)
self.updatePreview()
def main():
u'Ye olde canonical entry point'
app = QtGui.QApplication(sys.argv)
br = BatchRename()
sys.exit(app.exec_())
if __name__ == '__main__':
main()