/usr/share/pyshared/filebrowser/views.py is in python-django-filebrowser 0+svn322-1.
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import os, string, ftplib, re, Image, decimal
from time import gmtime, strftime, localtime, mktime, time
from django.shortcuts import render_to_response
from django.template import RequestContext as Context
from django.http import HttpResponseRedirect
from django.contrib.admin.views.decorators import staff_member_required
from django.views.decorators.cache import never_cache
from django.utils.translation import ugettext as _
from django.utils.safestring import mark_safe
from django.conf import settings
from django import forms
# get settings
from filebrowser.fb_settings import *
# get functions
from filebrowser.functions import _get_path, _get_subdir_list, _get_dir_list, _get_breadcrumbs, _get_sub_query, _get_query, _get_filterdate, _get_filesize, _make_filedict, _get_settings_var, _handle_file_upload, _get_file_type, _make_image_thumbnail, _image_generator, _image_crop_generator, _is_image_version
# get forms
from filebrowser.forms import MakeDirForm, RenameForm, UploadForm, BaseUploadFormSet
# PIL import
if STRICT_PIL:
from PIL import Image
else:
try:
from PIL import Image
except ImportError:
import Image
# Precompile regular expressions
filter_re = [ re.compile(THUMB_PREFIX, re.M) ]
for exp in EXCLUDE:
filter_re.append(re.compile(exp))
def index(request, dir_name=None):
"""
Show list of files on a server-directory.
"""
path = _get_path(dir_name)
query = _get_query(request.GET)
# INITIAL VARIABLES
results_var = {'results_total': 0, 'results_current': 0, 'delete_total': 0, 'change_total': 0, 'imagegenerator_total': 0 }
counter = {}
for k,v in EXTENSIONS.iteritems():
counter[k] = 0
dir_list = os.listdir(os.path.join(PATH_SERVER, path))
file_list = []
for file in dir_list:
# VARIABLES
var_filesize_long = '' # filesize
var_filesize_str = '' # filesize in B, kB, MB
var_date = '' # YYYY-MM-dd
var_path_thumb = '' # path to thumbnail
var_link = '' # link to file (using URL_WWW), link to folder (using URL_ADMIN)
var_select_link = '' # link to file (using URL_WWW)
var_save_path = '' # Path to file relative to MEDIA_ROOT
var_file_extension = '' # see EXTENSIONS in fb_settings.py
var_file_type = '' # Folder, Image, Video, Document, Sound, Code, ...
var_image_dimensions = '' # Image Dimensions (width, height)
var_thumb_dimensions = '' # Thumbnail Dimensions (width, height)
var_flag_makethumb = False # True, if Image has no Thumbnail.
var_flag_deletedir = False # True, if Directory is empty.
var_image_version = False # True, if Image is generated with ImageGenerator.
# EXCLUDE FILES MATCHING THUMB_PREFIX OR ANY OF THE EXCLUDE PATTERNS
filtered = file.startswith('.')
for re_prefix in filter_re:
if re_prefix.search(file):
filtered = True
if filtered:
continue
results_var['results_total'] += 1
# SIZE
var_filesize_long = os.path.getsize(os.path.join(PATH_SERVER, path, file))
var_filesize_str = _get_filesize(var_filesize_long)
# DATE / TIME
date_time = os.path.getmtime(os.path.join(PATH_SERVER, path, file))
var_date = strftime("%Y-%m-%d", gmtime(date_time))
# EXTENSION / FLAG_EMPTYDIR / DELETE_TOTAL
fn = os.path.join(PATH_SERVER, path, file)
var_select_link = var_link = "%s%s%s" % (URL_WWW, path, file)
if os.path.isfile(fn): # file
var_file_extension = os.path.splitext(file)[1].lower()
elif os.path.isdir(fn): # folder
var_link = "%s%s%s" % (URL_ADMIN, path, file)
if not os.listdir(os.path.join(PATH_SERVER, path, file)):
var_flag_deletedir = True # only empty directories are allowed to be deleted
# DETERMINE MEDIA SAVE PATH
var_save_path = var_select_link
if not SAVE_FULL_URL:
var_save_path = var_save_path.replace(settings.MEDIA_URL, '').lstrip('/')
# FILETYPE / COUNTER
var_file_type = _get_file_type(file)
if var_file_type:
counter[var_file_type] += 1
# DIMENSIONS / MAKETHUMB / SELECT
if var_file_type == 'Image':
try:
im = Image.open(os.path.join(PATH_SERVER, path, file))
var_image_dimensions = im.size
var_path_thumb = "%s%s%s%s" % (URL_WWW, path, THUMB_PREFIX, file)
try:
thumb = Image.open(os.path.join(PATH_SERVER, path, THUMB_PREFIX + file))
var_thumb_dimensions = thumb.size
except:
# if thumbnail does not exist, show makethumb-Icon instead.
var_path_thumb = settings.URL_FILEBROWSER_MEDIA + 'img/filebrowser_Thumb.gif'
var_flag_makethumb = True
except:
# if image is corrupt, change filetype to not defined
var_file_type = ''
# check, if image is generated with ImageGenerator
var_image_version = _is_image_version(file)
if var_image_version == False:
results_var['imagegenerator_total'] += 1
# FILTER / SEARCH
flag_extend = False
if query['filter_type'] != '' and query['filter_date'] != '' and var_file_type == query['filter_type'] and _get_filterdate(query['filter_date'], date_time):
flag_extend = True
elif query['filter_type'] != '' and query['filter_date'] == '' and var_file_type == query['filter_type']:
flag_extend = True
elif query['filter_type'] == '' and query['filter_date'] != '' and _get_filterdate(query['filter_date'], date_time):
flag_extend = True
elif query['filter_type'] == '' and query['filter_date'] == '':
flag_extend = True
if query['q'] and not re.compile(query['q'].lower(), re.M).search(file.lower()):
flag_extend = False
# APPEND FILE_LIST
if flag_extend == True:
file_list.append([file, var_filesize_long, var_filesize_str, var_date, var_path_thumb, var_link, var_select_link, var_save_path, var_file_extension, var_file_type, var_image_dimensions, var_thumb_dimensions, file.lower(), var_flag_makethumb, var_flag_deletedir, var_image_version])
# SORT LIST
file_list.sort(lambda x, y: cmp(x[int(query['o'])], y[int(query['o'])]))
if query['ot'] == "desc":
file_list.reverse()
# MAKE DICTIONARY (for better readability in the templates)
file_dict = _make_filedict(file_list)
# RESULTS
results_var['results_current'] = len(file_list)
for file in file_dict:
if file['file_type'] == 'Image':
results_var['change_total'] += 1
if file['file_type'] != 'Folder':
results_var['delete_total'] += 1
elif file['file_type'] == 'Folder' and file['flag_deletedir'] == True:
results_var['delete_total'] += 1
return render_to_response('filebrowser/index.html', {
'dir': dir_name,
'file_dict': file_dict,
'results_var': results_var,
'query': query,
'counter': counter,
'settings_var': _get_settings_var(request.META['HTTP_HOST'], path),
'breadcrumbs': _get_breadcrumbs(_get_query(request.GET), dir_name, ''),
'title': _(u'FileBrowser'),
'root_path': URL_HOME,
'popmode': request.GET.get('pop'),
}, context_instance=Context(request))
index = staff_member_required(never_cache(index))
def mkdir(request, dir_name=None):
"""
Make directory
"""
path = _get_path(dir_name)
query = _get_query(request.GET)
if request.method == 'POST':
form = MakeDirForm(PATH_SERVER, path, request.POST)
if form.is_valid():
server_path = os.path.join(PATH_SERVER, path, form.cleaned_data['dir_name'].lower())
try:
os.mkdir(server_path)
os.chmod(server_path, 0775)
# MESSAGE & REDIRECT
msg = _('The Folder %s was successfully created.') % (form.cleaned_data['dir_name'].lower())
request.user.message_set.create(message=msg)
# on redirect, sort by date desc to see the new directory on top of the list
return HttpResponseRedirect(URL_ADMIN + path + "?&ot=desc&o=3&" + query['pop'])
except OSError, (errno, strerror):
if errno == 13:
form.errors['dir_name'] = forms.util.ErrorList([_('Permission denied.')])
else:
form.errors['dir_name'] = forms.util.ErrorList([_('Error creating directory.')])
else:
form = MakeDirForm(PATH_SERVER, path)
return render_to_response('filebrowser/makedir.html', {
'form': form,
'query': query,
'settings_var': _get_settings_var(request.META['HTTP_HOST'], path),
'breadcrumbs': _get_breadcrumbs(_get_query(request.GET), dir_name, _(u'New Folder')),
'title': _(u'New Folder'),
'root_path': URL_HOME,
}, context_instance=Context(request))
mkdir = staff_member_required(never_cache(mkdir))
def upload(request, dir_name=None):
"""
Multipe Upload.
"""
from django.forms.formsets import formset_factory
path = _get_path(dir_name)
query = _get_query(request.GET)
# PIL's Error "Suspension not allowed here" work around:
# s. http://mail.python.org/pipermail/image-sig/1999-August/000816.html
if STRICT_PIL:
from PIL import ImageFile
else:
try:
from PIL import ImageFile
except ImportError:
import ImageFile
ImageFile.MAXBLOCK = IMAGE_MAXBLOCK # default is 64k
UploadFormSet = formset_factory(UploadForm, formset=BaseUploadFormSet, extra=5)
if request.method == 'POST':
formset = UploadFormSet(data=request.POST, files=request.FILES, path_server=PATH_SERVER, path=path)
if formset.is_valid():
for cleaned_data in formset.cleaned_data:
if cleaned_data:
# UPLOAD FILE
_handle_file_upload(PATH_SERVER, path, cleaned_data['file'])
if _get_file_type(cleaned_data['file'].name) == "Image":
# MAKE THUMBNAIL
_make_image_thumbnail(PATH_SERVER, path, cleaned_data['file'].name)
# IMAGE GENERATOR
if FORCE_GENERATOR or (cleaned_data['use_image_generator'] and (IMAGE_GENERATOR_LANDSCAPE != "" or IMAGE_GENERATOR_PORTRAIT != "")):
_image_generator(PATH_SERVER, path, cleaned_data['file'].name)
# GENERATE CROPPED/RECTANGULAR IMAGE
if FORCE_GENERATOR or (cleaned_data['use_image_generator'] and IMAGE_CROP_GENERATOR != ""):
_image_crop_generator(PATH_SERVER, path, cleaned_data['file'].name)
# MESSAGE & REDIRECT
msg = _('Upload successful.')
request.user.message_set.create(message=msg)
# on redirect, sort by date desc to see the uploaded files on top of the list
redirect_url = URL_ADMIN + path + "?&ot=desc&o=3&" + query['pop']
return HttpResponseRedirect(redirect_url)
else:
formset = UploadFormSet(path_server=PATH_SERVER, path=path)
return render_to_response('filebrowser/upload.html', {
'formset': formset,
'dir': dir_name,
'query': _get_query(request.GET),
'settings_var': _get_settings_var(request.META['HTTP_HOST'], path),
'breadcrumbs': _get_breadcrumbs(_get_query(request.GET), dir_name, _(u'Upload')),
'title': _(u'Select files to upload'),
'root_path': URL_HOME,
}, context_instance=Context(request))
upload = staff_member_required(never_cache(upload))
def makethumb(request, dir_name=None, file_name=None):
"""
Make Thumbnail(s) for existing Image or Directory
This is useful if someone uploads images via FTP, not using the
upload functionality of the FileBrowser.
"""
path = _get_path(dir_name)
query = _get_query(request.GET)
if file_name:
# MAKE THUMB FOR SINGLE IMAGE
file_path = os.path.join(PATH_SERVER, path, file_name)
if os.path.isfile(file_path):
_make_image_thumbnail(PATH_SERVER, path, file_name)
else:
# MAKE THUMBS FOR WHOLE DIRECTORY
dir_path = os.path.join(PATH_SERVER, path)
dir_list = os.listdir(dir_path)
for file in dir_list:
if os.path.isfile(os.path.join(PATH_SERVER, path, file)) and not os.path.isfile(os.path.join(PATH_SERVER, path, THUMB_PREFIX + file)) and not re.compile(THUMB_PREFIX, re.M).search(file) and _get_file_type(file) == "Image":
_make_image_thumbnail(PATH_SERVER, path, file)
# MESSAGE & REDIRECT
msg = _('Thumbnail creation successful.')
request.user.message_set.create(message=msg)
return HttpResponseRedirect(URL_ADMIN + path + query['query_str_total'])
return render_to_response('filebrowser/index.html', {
'dir': dir_name,
'query': query,
'settings_var': _get_settings_var(request.META['HTTP_HOST'], path),
'breadcrumbs': _get_breadcrumbs(_get_query(request.GET), dir_name, ''),
'root_path': URL_HOME,
}, context_instance=Context(request))
makethumb = staff_member_required(never_cache(makethumb))
def delete(request, dir_name=None):
"""
Delete existing File/Directory.
If file is an Image, also delete thumbnail.
When trying to delete a directory, the directory has to be empty.
"""
path = _get_path(dir_name)
query = _get_query(request.GET)
msg = ""
if request.GET:
if request.GET.get('type') != "Folder":
server_path = os.path.join(PATH_SERVER, path, request.GET.get('filename'))
try:
# DELETE FILE
os.unlink(server_path)
# TRY DELETING THUMBNAIL
path_thumb = os.path.join(PATH_SERVER, path, THUMB_PREFIX + request.GET.get('filename'))
try:
os.unlink(path_thumb)
except OSError:
pass
# TRY DELETING IMAGE_VERSIONS
versions_path = os.path.join(PATH_SERVER, path, request.GET.get('filename').replace(".", "_").lower() + IMAGE_GENERATOR_DIRECTORY)
try:
dir_list = os.listdir(versions_path)
for file in dir_list:
file_path = os.path.join(versions_path, file)
os.unlink(file_path)
os.rmdir(versions_path)
except OSError:
pass
# MESSAGE & REDIRECT
msg = _('The file %s was successfully deleted.') % (request.GET.get('filename').lower())
request.user.message_set.create(message=msg)
return HttpResponseRedirect(URL_ADMIN + path + query['query_nodelete'])
except OSError:
# todo: define error message
msg = OSError
else:
server_path = os.path.join(PATH_SERVER, path, request.GET.get('filename'))
try:
os.rmdir(server_path)
# MESSAGE & REDIRECT
msg = _('The directory %s was successfully deleted.') % (request.GET.get('filename').lower())
request.user.message_set.create(message=msg)
return HttpResponseRedirect(URL_ADMIN + path + query['query_nodelete'])
except OSError:
# todo: define error message
msg = OSError
if msg:
request.user.message_set.create(message=msg)
return render_to_response('filebrowser/index.html', {
'dir': dir_name,
'file': request.GET.get('filename', ''),
'query': query,
'settings_var': _get_settings_var(request.META['HTTP_HOST'], path),
'breadcrumbs': _get_breadcrumbs(_get_query(request.GET), dir_name, ''),
'root_path': URL_HOME,
}, context_instance=Context(request))
delete = staff_member_required(never_cache(delete))
def rename(request, dir_name=None, file_name=None):
"""
Rename existing File/Directory.
"""
path = _get_path(dir_name)
query = _get_query(request.GET)
if os.path.isfile(os.path.join(PATH_SERVER, path, file_name)): # file
file_type = _get_file_type(file_name)
file_extension = os.path.splitext(file_name)[1].lower()
else:
file_extension = ""
file_type = ""
if request.method == 'POST':
form = RenameForm(PATH_SERVER, path, file_extension, request.POST)
if form.is_valid():
old_path = os.path.join(PATH_SERVER, path, file_name)
new_path = os.path.join(PATH_SERVER, path, request.POST.get('name').lower() + file_extension)
try:
os.rename(old_path, new_path)
# RENAME IMAGE_THUMBNAILS
if file_type == 'Image':
old_thumb_path = os.path.join(PATH_SERVER, path, THUMB_PREFIX + file_name)
new_thumb_path = os.path.join(PATH_SERVER, path, THUMB_PREFIX + request.POST.get('name').lower() + file_extension)
try:
os.rename(old_thumb_path, new_thumb_path)
except OSError, (errno, strerror):
form.errors['name'] = forms.util.ErrorList([_('Error renaming Thumbnail.')])
# RENAME IMAGE VERSIONS? TOO MUCH MAGIC?
# MESSAGE & REDIRECT
if not form.errors:
msg = _('Renaming was successful.')
request.user.message_set.create(message=msg)
# on redirect, sort by date desc to see the new stuff on top of the list
return HttpResponseRedirect(URL_ADMIN + path + "?&ot=desc&o=3&" + query['pop'])
except OSError, (errno, strerror):
form.errors['name'] = forms.util.ErrorList([_('Error.')])
else:
form = RenameForm(PATH_SERVER, path, file_extension)
return render_to_response('filebrowser/rename.html', {
'form': form,
'query': query,
'file_extension': file_extension,
'settings_var': _get_settings_var(request.META['HTTP_HOST'], path),
'breadcrumbs': _get_breadcrumbs(_get_query(request.GET), dir_name, _(u'Rename')),
'title': _(u'Rename "%s"') % file_name,
'root_path': URL_HOME,
}, context_instance=Context(request))
rename = staff_member_required(never_cache(rename))
def generateimages(request, dir_name=None, file_name=None):
"""
Generate Image Versions for existing singe Image or a whole Directory.
This is useful if someone uploads images via FTP, not using the
upload functionality of the FileBrowser.
"""
path = _get_path(dir_name)
query = _get_query(request.GET)
if file_name:
# GENERATE IMAGES
if IMAGE_GENERATOR_LANDSCAPE != "" or IMAGE_GENERATOR_PORTRAIT != "":
_image_generator(PATH_SERVER, path, file_name)
# GENERATE CROPPED/RECTANGULAR IMAGE
if IMAGE_CROP_GENERATOR != "":
_image_crop_generator(PATH_SERVER, path, file_name)
else:
# GENERATE IMAGES FOR WHOLE DIRECTORY
dir_path = os.path.join(PATH_SERVER, path)
dir_list = os.listdir(dir_path)
for file in dir_list:
if os.path.isfile(os.path.join(PATH_SERVER, path, file)) and not re.compile(THUMB_PREFIX, re.M).search(file) and _get_file_type(file) == "Image":
# GENERATE IMAGES
if IMAGE_GENERATOR_LANDSCAPE != "" or IMAGE_GENERATOR_PORTRAIT != "":
_image_generator(PATH_SERVER, path, file)
# GENERATE CROPPED/RECTANGULAR IMAGE
if IMAGE_CROP_GENERATOR != "":
_image_crop_generator(PATH_SERVER, path, file)
# MESSAGE & REDIRECT
msg = _('Successfully generated Images.')
request.user.message_set.create(message=msg)
return HttpResponseRedirect(URL_ADMIN + path + query['query_str_total'])
return render_to_response('filebrowser/index.html', {
'dir': dir_name,
'query': query,
'settings_var': _get_settings_var(request.META['HTTP_HOST'], path),
'breadcrumbs': _get_breadcrumbs(_get_query(request.GET), dir_name, ''),
'root_path': URL_HOME,
}, context_instance=Context(request))
makethumb = staff_member_required(never_cache(makethumb))
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