def upload_worksheet():
from sage.misc.misc import tmp_filename, tmp_dir
from werkzeug import secure_filename
import zipfile
#XXX: i18n
backlinks = """ Return to <a href="/upload" title="Upload a worksheet"><strong>Upload File</strong></a>."""
url = request.values['url'].strip()
dir = ''
if url:
#Downloading a file from the internet
import urllib
filename = tmp_filename() + ('.zip'
if url.endswith('.zip') else '.sws')
urllib.urlretrieve(url, filename)
else:
#Uploading a file from the user's computer
dir = tmp_dir()
file = request.files['file']
if file.filename == '':
return current_app.message(
"Please specify a worksheet to load.%s" % backlinks)
filename = secure_filename(file.filename)
filename = os.path.join(dir, filename)
file.save(filename)
new_name = request.values.get('name', None)
try:
try:
if filename.endswith('.zip'):
# Extract all the .sws files from a zip file.
zip_file = zipfile.ZipFile(filename)
sws_file = os.path.join(dir, "tmp.sws")
for sws in zip_file.namelist():
if sws.endswith('.sws'):
open(sws_file, 'w').write(zip_file.read(
sws)) # 2.6 zip_file.extract(sws, sws_file)
W = g.notebook.import_worksheet(sws_file, g.username)
if new_name:
W.set_name("%s - %s" % (new_name, W.name()))
return redirect(url_for('home', username=g.username))
else:
W = g.notebook.import_worksheet(filename, g.username)
except Exception, msg:
s = 'There was an error uploading the worksheet. It could be an old unsupported format or worse. If you desperately need its contents contact the <a href="http://groups.google.com/group/sage-support">sage-support group</a> and post a link to your worksheet. Alternatively, an sws file is just a bzip2 tarball; take a look inside!%s' % backlinks
return current_app.message(s, url_for('home', username=g.username))
finally:
# Clean up the temporarily uploaded filename.
os.unlink(filename)
# if a temp directory was created, we delete it now.
if dir:
import shutil
shutil.rmtree(dir)
def upload_worksheet():
from sage.misc.misc import tmp_filename, tmp_dir
from werkzeug import secure_filename
import zipfile
#XXX: i18n
backlinks = """ Return to <a href="/upload" title="Upload a worksheet"><strong>Upload File</strong></a>."""
url = request.values['url'].strip()
dir = ''
if url:
#Downloading a file from the internet
import urllib
filename = tmp_filename() + ('.zip' if url.endswith('.zip') else '.sws')
urllib.urlretrieve(url, filename)
else:
#Uploading a file from the user's computer
dir = tmp_dir()
file = request.files['file']
if file.filename == '':
return current_app.message("Please specify a worksheet to load.%s" % backlinks)
filename = secure_filename(file.filename)
filename = os.path.join(dir, filename)
file.save(filename)
new_name = request.values.get('name', None)
try:
try:
if filename.endswith('.zip'):
# Extract all the .sws files from a zip file.
zip_file = zipfile.ZipFile(filename)
sws_file = os.path.join(dir, "tmp.sws")
for sws in zip_file.namelist():
if sws.endswith('.sws'):
open(sws_file, 'w').write(zip_file.read(sws)) # 2.6 zip_file.extract(sws, sws_file)
W = g.notebook.import_worksheet(sws_file, g.username)
if new_name:
W.set_name("%s - %s" % (new_name, W.name()))
return redirect(url_for('home', username=g.username))
else:
W = g.notebook.import_worksheet(filename, g.username)
except Exception, msg:
s = 'There was an error uploading the worksheet. It could be an old unsupported format or worse. If you desperately need its contents contact the <a href="http://groups.google.com/group/sage-support">sage-support group</a> and post a link to your worksheet. Alternatively, an sws file is just a bzip2 tarball; take a look inside!%s' % backlinks
return current_app.message(s, url_for('home', username=g.username))
finally:
# Clean up the temporarily uploaded filename.
os.unlink(filename)
# if a temp directory was created, we delete it now.
if dir:
import shutil
shutil.rmtree(dir)
def download_worksheets():
from sagenb.misc.misc import walltime, tmp_filename
t = walltime()
print "Starting zipping a group of worksheets in a separate thread..."
zip_filename = tmp_filename() + ".zip"
# child
worksheet_names = set()
if 'filenames' in request.values:
import json
filenames = json.loads(request.values['filenames'])
worksheets = [
g.notebook.get_worksheet_with_filename(x.strip())
for x in filenames if len(x.strip()) > 0
]
else:
worksheets = g.notebook.worksheet_list_for_user(g.username)
import zipfile
zip = zipfile.ZipFile(zip_filename, 'w', zipfile.ZIP_STORED)
for worksheet in worksheets:
sws_filename = tmp_filename() + '.sws'
g.notebook.export_worksheet(worksheet.filename(), sws_filename)
entry_name = worksheet.name()
if entry_name in worksheet_names:
i = 2
while ("%s_%s" % (entry_name, i)) in worksheet_names:
i += 1
entry_name = "%s_%s" % (entry_name, i)
zip.write(sws_filename, entry_name + ".sws")
os.unlink(sws_filename)
zip.close()
r = open(zip_filename, 'rb').read()
os.unlink(zip_filename)
print "Finished zipping %s worksheets (%s seconds)" % (len(worksheets),
walltime(t))
response = current_app.make_response(r)
response.headers['Content-Type'] = 'application/zip'
return response
def download_worksheets():
from sagenb.misc.misc import walltime, tmp_filename
t = walltime()
print "Starting zipping a group of worksheets in a separate thread..."
zip_filename = tmp_filename() + ".zip"
# child
worksheet_names = set()
if 'filenames' in request.values:
import json
filenames = json.loads(request.values['filenames'])
worksheets = [g.notebook.get_worksheet_with_filename(x.strip())
for x in filenames if len(x.strip()) > 0]
else:
worksheets = g.notebook.worksheet_list_for_user(g.username)
import zipfile
zip = zipfile.ZipFile(zip_filename, 'w', zipfile.ZIP_STORED)
for worksheet in worksheets:
sws_filename = tmp_filename() + '.sws'
g.notebook.export_worksheet(worksheet.filename(), sws_filename)
entry_name = worksheet.name()
if entry_name in worksheet_names:
i = 2
while ("%s_%s" % (entry_name, i)) in worksheet_names:
i += 1
entry_name = "%s_%s" % (entry_name, i)
zip.write(sws_filename, entry_name + ".sws")
os.unlink(sws_filename)
zip.close()
r = open(zip_filename, 'rb').read()
os.unlink(zip_filename)
print "Finished zipping %s worksheets (%s seconds)"%(len(worksheets), walltime(t))
response = current_app.make_response(r)
response.headers['Content-Type'] = 'application/zip'
return response
def unconditional_download(worksheet, title):
from sagenb.misc.misc import tmp_filename
from flask.helpers import send_file
filename = tmp_filename() + '.sws'
if title.endswith('.sws'):
title = title[:-4]
try:
#XXX: Accessing the hard disk.
g.notebook.export_worksheet(worksheet.filename(), filename, title)
except KeyError:
return current_app.message(_('No such worksheet.'))
from flask.helpers import send_file
return send_file(filename, mimetype='application/sage')
def unconditional_download(worksheet, title):
from sagenb.misc.misc import tmp_filename
from flask.helpers import send_file
filename = tmp_filename() + '.sws'
if title.endswith('.sws'):
title = title[:-4]
try:
#XXX: Accessing the hard disk.
g.notebook.export_worksheet(worksheet.filename(), filename, title)
except KeyError:
return current_app.message(_('No such worksheet.'))
from flask.helpers import send_file
return send_file(filename, mimetype='application/sage')
def upload_worksheet():
from sage.misc.misc import tmp_filename, tmp_dir
from werkzeug.utils import secure_filename
import zipfile
if g.notebook.readonly_user(g.username):
return current_app.message(_("Account is in read-only mode"), cont=url_for('home', username=g.username))
backlinks = _("""Return to <a href="/upload" title="Upload a worksheet"><strong>Upload File</strong></a>.""")
url = request.values['url'].strip()
dir = ''
if url != '':
#Downloading a file from the internet
# The file will be downloaded from the internet and saved
# to a temporary file with the same extension
path = urlparse.urlparse(url).path
extension = os.path.splitext(path)[1].lower()
if extension not in ["", ".txt", ".sws", ".zip", ".html", ".rst"]:
# Or shall we try to import the document as an sws when in doubt?
return current_app.message("Unknown worksheet extension: %s. %s" % (extension, backlinks))
filename = tmp_filename()+extension
try:
import re
matches = re.match("file://(?:localhost)?(/.+)", url)
if matches:
if g.notebook.interface != 'localhost':
return current_app.message(_("Unable to load file URL's when not running on localhost.\n%(backlinks)s",backlinks=backlinks))
import shutil
shutil.copy(matches.group(1),filename)
else:
my_urlretrieve(url, filename, backlinks=backlinks)
except RetrieveError as err:
return current_app.message(str(err))
else:
#Uploading a file from the user's computer
dir = tmp_dir()
file = request.files['file']
if file.filename is None:
return current_app.message(_("Please specify a worksheet to load.\n%(backlinks)s",backlinks=backlinks))
filename = secure_filename(file.filename)
if len(filename)==0:
return current_app.message(_("Invalid filename.\n%(backlinks)s",backlinks=backlinks))
filename = os.path.join(dir, filename)
file.save(filename)
new_name = request.values.get('name', None)
try:
try:
if filename.endswith('.zip'):
# Extract all the .sws files from a zip file.
zip_file = zipfile.ZipFile(filename)
for subfilename in zip_file.namelist():
prefix, extension = os.path.splitext(subfilename)
# Mac zip files contain files like __MACOSX/._worksheet.sws
# which are metadata files, so we skip those as
# well as any other files we won't understand
if extension in ['.sws', '.html', '.txt', '.rst'] and not prefix.startswith('__MACOSX/'):
tmpfilename = os.path.join(dir, "tmp" + extension)
try:
tmpfilename = zip_file.extract(subfilename, tmpfilename)
except AttributeError:
open(tmpfilename, 'w').write(zip_file.read(subfilename))
W = g.notebook.import_worksheet(tmpfilename, g.username)
if new_name:
W.set_name("%s - %s" % (new_name, W.name()))
else:
print "Unknown extension, file %s is ignored" % subfilename
return redirect(url_for('home', username=g.username))
else:
if url and extension in ['', '.html']:
linked_sws = parse_link_rel(url, filename)
if linked_sws:
# just grab 1st URL; perhaps later add interface for
# downloading multiple linked .sws
try:
filename = my_urlretrieve(linked_sws[0]['url'], backlinks=backlinks)[0]
print 'Importing {0}, linked to from {1}'.format(linked_sws[0]['url'], url)
except RetrieveError as err:
return current_app.message(str(err))
W = g.notebook.import_worksheet(filename, g.username)
except Exception, msg:
print 'error uploading worksheet', msg
s = _('There was an error uploading the worksheet. It could be an old unsupported format or worse. If you desperately need its contents contact the <a href="http://groups.google.com/group/sage-support">sage-support group</a> and post a link to your worksheet. Alternatively, an sws file is just a bzip2 tarball; take a look inside!\n%(backlinks)s', backlinks=backlinks)
return current_app.message(s, url_for('home', username=g.username))
finally:
# Clean up the temporarily uploaded filename.
os.unlink(filename)
# if a temp directory was created, we delete it now.
if dir:
import shutil
shutil.rmtree(dir)
def upload_worksheet():
from sage.misc.misc import tmp_filename, tmp_dir
from werkzeug.utils import secure_filename
import zipfile
backlinks = _("""Return to <a href="/upload" title="Upload a worksheet"><strong>Upload File</strong></a>.""")
url = request.values['url'].strip()
dir = ''
if url:
#Downloading a file from the internet
import urllib, urlparse
filename = tmp_filename() + ('.zip' if url.endswith('.zip') else '.sws')
# The file will be downloaded from the internet and saved
# to a temporary file with the same extension
path = urlparse.urlparse(url).path
extension = os.path.splitext(path)[1].lower()
if extension not in [".txt", ".sws", ".zip", ".html", ".rst"]:
# Or shall we try to import the document as an sws in doubt?
return current_app.message("Unknown worksheet extension: %s. %s" % (extension, backlinks))
filename = tmp_filename()+extension
try:
urllib.urlretrieve(url, filename)
except IOError as err:
if err.strerror == 'unknown url type' and err.filename == 'https':
return current_app.message(_("This Sage notebook is not configured to load worksheets from 'https' URLs. Try a different URL or download the worksheet and upload it directly from your computer.\n%(backlinks)s",backlinks=backlinks))
else:
raise
else:
#Uploading a file from the user's computer
dir = tmp_dir()
file = request.files['file']
if file.filename is None:
return current_app.message(_("Please specify a worksheet to load.\n%(backlinks)s",backlinks=backlinks))
filename = secure_filename(file.filename)
if len(filename)==0:
return current_app.message(_("Invalid filename.\n%(backlinks)s",backlinks=backlinks))
filename = os.path.join(dir, filename)
file.save(filename)
new_name = request.values.get('name', None)
try:
try:
if filename.endswith('.zip'):
# Extract all the .sws files from a zip file.
zip_file = zipfile.ZipFile(filename)
for subfilename in zip_file.namelist():
prefix, extension = os.path.splitext(subfilename)
if extension in ['.sws', '.html', '.txt', '.rst'] :
tmpfilename = os.path.join(dir, "tmp" + extension)
try:
tmpfilename = zip_file.extract(subfilename, tmpfilename)
except AttributeError:
open(tmpfilename, 'w').write(zip_file.read(subfilename))
W = g.notebook.import_worksheet(tmpfilename, g.username)
if new_name:
W.set_name("%s - %s" % (new_name, W.name()))
else:
print "Unknown extension, file %s is ignored" % subfilename
return redirect(url_for('home', username=g.username))
else:
W = g.notebook.import_worksheet(filename, g.username)
except Exception, msg:
print 'error uploading worksheet', msg
s = _('There was an error uploading the worksheet. It could be an old unsupported format or worse. If you desperately need its contents contact the <a href="http://groups.google.com/group/sage-support">sage-support group</a> and post a link to your worksheet. Alternatively, an sws file is just a bzip2 tarball; take a look inside!\n%(backlinks)s', backlinks=backlinks)
return current_app.message(s, url_for('home', username=g.username))
finally:
# Clean up the temporarily uploaded filename.
os.unlink(filename)
# if a temp directory was created, we delete it now.
if dir:
import shutil
shutil.rmtree(dir)
def upload_worksheet():
from sage.misc.all import tmp_filename, tmp_dir
from werkzeug.utils import secure_filename
import zipfile
if g.notebook.readonly_user(g.username):
return current_app.message(_("Account is in read-only mode"),
cont=url_for('home', username=g.username))
backlinks = _(
"""Return to <a href="/upload" title="Upload a worksheet"><strong>Upload File</strong></a>."""
)
url = request.values['url'].strip()
dir = ''
if url != '':
#Downloading a file from the internet
# The file will be downloaded from the internet and saved
# to a temporary file with the same extension
path = urlparse.urlparse(url).path
extension = os.path.splitext(path)[1].lower()
if extension not in ["", ".txt", ".sws", ".zip", ".html", ".rst"]:
# Or shall we try to import the document as an sws when in doubt?
return current_app.message(
_("Unknown worksheet extension: %(ext)s. %(links)s",
ext=extension,
links=backlinks))
filename = tmp_filename() + extension
try:
import re
matches = re.match("file://(?:localhost)?(/.+)", url)
if matches:
if g.notebook.interface != 'localhost':
return current_app.message(
_("Unable to load file URL's when not running on localhost.\n%(backlinks)s",
backlinks=backlinks))
import shutil
shutil.copy(matches.group(1), filename)
else:
my_urlretrieve(url, filename, backlinks=backlinks)
except RetrieveError as err:
return current_app.message(str(err))
else:
#Uploading a file from the user's computer
dir = tmp_dir()
file = request.files['file']
if file.filename is None:
return current_app.message(
_("Please specify a worksheet to load.\n%(backlinks)s",
backlinks=backlinks))
filename = secure_filename(file.filename)
if len(filename) == 0:
return current_app.message(
_("Invalid filename.\n%(backlinks)s", backlinks=backlinks))
filename = os.path.join(dir, filename)
file.save(filename)
new_name = request.values.get('name', None)
try:
try:
if filename.endswith('.zip'):
# Extract all the .sws files from a zip file.
zip_file = zipfile.ZipFile(filename)
for subfilename in zip_file.namelist():
prefix, extension = os.path.splitext(subfilename)
# Mac zip files contain files like __MACOSX/._worksheet.sws
# which are metadata files, so we skip those as
# well as any other files we won't understand
if extension in ['.sws', '.html', '.txt', '.rst'
] and not prefix.startswith('__MACOSX/'):
tmpfilename = os.path.join(dir, "tmp" + extension)
try:
tmpfilename = zip_file.extract(
subfilename, tmpfilename)
except AttributeError:
open(tmpfilename,
'w').write(zip_file.read(subfilename))
W = g.notebook.import_worksheet(
tmpfilename, g.username)
if new_name:
W.set_name("%s - %s" % (new_name, W.name()))
else:
print "Unknown extension, file %s is ignored" % subfilename
return redirect(url_for('home', username=g.username))
else:
if url and extension in ['', '.html']:
linked_sws = parse_link_rel(url, filename)
if linked_sws:
# just grab 1st URL; perhaps later add interface for
# downloading multiple linked .sws
try:
filename = my_urlretrieve(linked_sws[0]['url'],
backlinks=backlinks)[0]
print 'Importing {0}, linked to from {1}'.format(
linked_sws[0]['url'], url)
except RetrieveError as err:
return current_app.message(str(err))
W = g.notebook.import_worksheet(filename, g.username)
except Exception, msg:
print 'error uploading worksheet', msg
s = _(
'There was an error uploading the worksheet. It could be an old unsupported format or worse. If you desperately need its contents contact the <a href="http://groups.google.com/group/sage-support">sage-support group</a> and post a link to your worksheet. Alternatively, an sws file is just a bzip2 tarball; take a look inside!\n%(backlinks)s',
backlinks=backlinks)
return current_app.message(s, url_for('home', username=g.username))
finally:
# Clean up the temporarily uploaded filename.
os.unlink(filename)
# if a temp directory was created, we delete it now.
if dir:
import shutil
shutil.rmtree(dir)
def upload_worksheet():
from sage.misc.misc import tmp_filename, tmp_dir
from werkzeug.utils import secure_filename
import zipfile
backlinks = _(
"""Return to <a href="/upload" title="Upload a worksheet"><strong>Upload File</strong></a>."""
)
url = request.values['url'].strip()
dir = ''
if url:
#Downloading a file from the internet
import urllib, urlparse
filename = tmp_filename() + ('.zip'
if url.endswith('.zip') else '.sws')
# The file will be downloaded from the internet and saved
# to a temporary file with the same extension
path = urlparse.urlparse(url).path
extension = os.path.splitext(path)[1].lower()
if extension not in [".txt", ".sws", ".zip", ".html", ".rst"]:
# Or shall we try to import the document as an sws in doubt?
return current_app.message("Unknown worksheet extension: %s. %s" %
(extension, backlinks))
filename = tmp_filename() + extension
urllib.urlretrieve(url, filename)
else:
#Uploading a file from the user's computer
dir = tmp_dir()
file = request.files['file']
if file.filename is None:
return current_app.message(
_("Please specify a worksheet to load.\n%(backlinks)s",
backlinks=backlinks))
filename = secure_filename(file.filename)
if len(filename) == 0:
return current_app.message(
_("Invalid filename.\n%(backlinks)s", backlinks=backlinks))
filename = os.path.join(dir, filename)
file.save(filename)
new_name = request.values.get('name', None)
try:
try:
if filename.endswith('.zip'):
# Extract all the .sws files from a zip file.
zip_file = zipfile.ZipFile(filename)
for subfilename in zip_file.namelist():
prefix, extension = os.path.splitext(subfilename)
if extension in ['.sws', '.html', '.txt', '.rst']:
tmpfilename = os.path.join(dir, "tmp" + extension)
try:
tmpfilename = zip_file.extract(
subfilename, tmpfilename)
except AttributeError:
open(tmpfilename,
'w').write(zip_file.read(subfilename))
W = g.notebook.import_worksheet(
tmpfilename, g.username)
if new_name:
W.set_name("%s - %s" % (new_name, W.name()))
else:
print "Unknown extension, file %s is ignored" % subfilename
return redirect(url_for('home', username=g.username))
else:
W = g.notebook.import_worksheet(filename, g.username)
except Exception, msg:
print 'error uploading worksheet', msg
s = _(
'There was an error uploading the worksheet. It could be an old unsupported format or worse. If you desperately need its contents contact the <a href="http://groups.google.com/group/sage-support">sage-support group</a> and post a link to your worksheet. Alternatively, an sws file is just a bzip2 tarball; take a look inside!\n%(backlinks)s',
backlinks=backlinks)
return current_app.message(s, url_for('home', username=g.username))
finally:
# Clean up the temporarily uploaded filename.
os.unlink(filename)
# if a temp directory was created, we delete it now.
if dir:
import shutil
shutil.rmtree(dir)
