/usr/share/pyshared/gluon/admin.py is in python-gluon 2.12.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# -*- coding: utf-8 -*-
"""
| This file is part of the web2py Web Framework
| Copyrighted by Massimo Di Pierro <mdipierro@cs.depaul.edu>
| License: LGPLv3 (http://www.gnu.org/licenses/lgpl.html)
Utility functions for the Admin application
-------------------------------------------
"""
import os
import sys
import traceback
import zipfile
import urllib
from shutil import rmtree
from gluon.utils import web2py_uuid
from gluon.fileutils import w2p_pack, w2p_unpack, w2p_pack_plugin, w2p_unpack_plugin
from gluon.fileutils import up, fix_newlines, abspath, recursive_unlink
from gluon.fileutils import read_file, write_file, parse_version
from gluon.restricted import RestrictedError
from gluon.settings import global_settings
from gluon.cache import CacheOnDisk
if not global_settings.web2py_runtime_gae:
import site
def apath(path='', r=None):
"""Builds a path inside an application folder
Args:
path(str): path within the application folder
r: the global request object
"""
opath = up(r.folder)
while path[:3] == '../':
(opath, path) = (up(opath), path[3:])
return os.path.join(opath, path).replace('\\', '/')
def app_pack(app, request, raise_ex=False, filenames=None):
"""Builds a w2p package for the application
Args:
app(str): application name
request: the global request object
Returns:
filename of the w2p file or None on error
"""
try:
if filenames is None: app_cleanup(app, request)
filename = apath('../deposit/web2py.app.%s.w2p' % app, request)
w2p_pack(filename, apath(app, request), filenames=filenames)
return filename
except Exception, e:
import traceback
print traceback.format_exc()
if raise_ex:
raise
return False
def app_pack_compiled(app, request, raise_ex=False):
"""Builds a w2p bytecode-compiled package for the application
Args:
app(str): application name
request: the global request object
Returns:
filename of the w2p file or None on error
"""
try:
filename = apath('../deposit/%s.w2p' % app, request)
w2p_pack(filename, apath(app, request), compiled=True)
return filename
except Exception, e:
if raise_ex:
raise
return None
def app_cleanup(app, request):
"""Removes session, cache and error files
Args:
app(str): application name
request: the global request object
Returns:
True if everything went ok, False otherwise
"""
r = True
# Remove error files
path = apath('%s/errors/' % app, request)
if os.path.exists(path):
for f in os.listdir(path):
try:
if f[:1] != '.': os.unlink(os.path.join(path, f))
except IOError:
r = False
# Remove session files
path = apath('%s/sessions/' % app, request)
if os.path.exists(path):
for f in os.listdir(path):
try:
if f[:1] != '.': recursive_unlink(os.path.join(path, f))
except (OSError, IOError):
r = False
# Remove cache files
path = apath('%s/cache/' % app, request)
if os.path.exists(path):
CacheOnDisk(folder=path).clear()
for f in os.listdir(path):
try:
if f[:1] != '.': recursive_unlink(os.path.join(path, f))
except (OSError, IOError):
r = False
return r
def app_compile(app, request):
"""Compiles the application
Args:
app(str): application name
request: the global request object
Returns:
None if everything went ok, traceback text if errors are found
"""
from compileapp import compile_application, remove_compiled_application
folder = apath(app, request)
try:
compile_application(folder)
return None
except (Exception, RestrictedError):
tb = traceback.format_exc(sys.exc_info)
remove_compiled_application(folder)
return tb
def app_create(app, request, force=False, key=None, info=False):
"""Create a copy of welcome.w2p (scaffolding) app
Args:
app(str): application name
request: the global request object
"""
path = apath(app, request)
if not os.path.exists(path):
try:
os.mkdir(path)
except:
if info:
return False, traceback.format_exc(sys.exc_info)
else:
return False
elif not force:
if info:
return False, "Application exists"
else:
return False
try:
w2p_unpack('welcome.w2p', path)
for subfolder in [
'models', 'views', 'controllers', 'databases',
'modules', 'cron', 'errors', 'sessions', 'cache',
'languages', 'static', 'private', 'uploads']:
subpath = os.path.join(path, subfolder)
if not os.path.exists(subpath):
os.mkdir(subpath)
db = os.path.join(path, 'models', 'db.py')
if os.path.exists(db):
data = read_file(db)
data = data.replace('<your secret key>',
'sha512:' + (key or web2py_uuid()))
write_file(db, data)
if info:
return True, None
else:
return True
except:
rmtree(path)
if info:
return False, traceback.format_exc(sys.exc_info)
else:
return False
def app_install(app, fobj, request, filename, overwrite=None):
"""Installs an application:
- Identifies file type by filename
- Writes `fobj` contents to the `../deposit/` folder
- Calls `w2p_unpack()` to do the job.
Args:
app(str): new application name
fobj(obj): file object containing the application to be installed
request: the global request object
filename(str): original filename of the `fobj`,
required to determine extension
overwrite(bool): force overwrite of existing application
Returns:
name of the file where app is temporarily stored or `None` on failure
"""
did_mkdir = False
if filename[-4:] == '.w2p':
extension = 'w2p'
elif filename[-7:] == '.tar.gz':
extension = 'tar.gz'
else:
extension = 'tar'
upname = apath('../deposit/%s.%s' % (app, extension), request)
try:
write_file(upname, fobj.read(), 'wb')
path = apath(app, request)
if not overwrite:
os.mkdir(path)
did_mkdir = True
w2p_unpack(upname, path)
if extension != 'tar':
os.unlink(upname)
fix_newlines(path)
return upname
except Exception:
if did_mkdir:
rmtree(path)
return False
def app_uninstall(app, request):
"""Uninstalls the application.
Args:
app(str): application name
request: the global request object
Returns:
`True` on success, `False` on failure
"""
try:
# Hey App, this is your end...
path = apath(app, request)
rmtree(path)
return True
except Exception:
return False
def plugin_pack(app, plugin_name, request):
"""Builds a w2p package for the plugin
Args:
app(str): application name
plugin_name(str): the name of the plugin without `plugin_` prefix
request: the current request app
Returns:
filename of the w2p file or False on error
"""
try:
filename = apath(
'../deposit/web2py.plugin.%s.w2p' % plugin_name, request)
w2p_pack_plugin(filename, apath(app, request), plugin_name)
return filename
except Exception:
return False
def plugin_install(app, fobj, request, filename):
"""Installs a plugin:
- Identifies file type by filename
- Writes `fobj` contents to the `../deposit/` folder
- Calls `w2p_unpack_plugin()` to do the job.
Args:
app(str): new application name
fobj: file object containing the application to be installed
request: the global request object
filename: original filename of the `fobj`,
required to determine extension
Returns:
name of the file where plugin is temporarily stored
or `False` on failure
"""
upname = apath('../deposit/%s' % filename, request)
try:
write_file(upname, fobj.read(), 'wb')
path = apath(app, request)
w2p_unpack_plugin(upname, path)
fix_newlines(path)
return upname
except Exception:
os.unlink(upname)
return False
def check_new_version(myversion, version_url):
"""Compares current web2py's version with the latest stable web2py version.
Args:
myversion: the current version as stored in file `web2py/VERSION`
version_URL: the URL that contains the version
of the latest stable release
Returns:
tuple: state, version
- state : `True` if upgrade available, `False` if current
version is up-to-date, -1 on error
- version : the most up-to-version available
"""
try:
from urllib import urlopen
version = urlopen(version_url).read()
pversion = parse_version(version)
pmyversion = parse_version(myversion)
except IOError:
import traceback
print traceback.format_exc()
return -1, myversion
if pversion[:3]+pversion[-6:] > pmyversion[:3]+pmyversion[-6:]:
return True, version
else:
return False, version
def unzip(filename, dir, subfolder=''):
"""Unzips filename into dir (.zip only, no .gz etc)
Args:
filename(str): archive
dir(str): destination
subfolder(str): if != '' unzips only files in subfolder
"""
filename = abspath(filename)
if not zipfile.is_zipfile(filename):
raise RuntimeError('Not a valid zipfile')
zf = zipfile.ZipFile(filename)
if not subfolder.endswith('/'):
subfolder += '/'
n = len(subfolder)
for name in sorted(zf.namelist()):
if not name.startswith(subfolder):
continue
#print name[n:]
if name.endswith('/'):
folder = os.path.join(dir, name[n:])
if not os.path.exists(folder):
os.mkdir(folder)
else:
write_file(os.path.join(dir, name[n:]), zf.read(name), 'wb')
def upgrade(request, url='http://web2py.com'):
"""Upgrades web2py (src, osx, win) if a new version is posted.
It detects whether src, osx or win is running and downloads the right one
Args:
request: the current request object
(required to determine version and path)
url: the incomplete url where to locate the latest web2py
(actual url is url+'/examples/static/web2py_(src|osx|win).zip')
Returns
tuple: completed, traceback
- completed: True on success, False on failure
(network problem or old version)
- traceback: None on success, raised exception details on failure
"""
web2py_version = request.env.web2py_version
gluon_parent = request.env.gluon_parent
if not gluon_parent.endswith('/'):
gluon_parent += '/'
(check, version) = check_new_version(web2py_version,
url + '/examples/default/version')
if not check:
return False, 'Already latest version'
if os.path.exists(os.path.join(gluon_parent, 'web2py.exe')):
version_type = 'win'
destination = gluon_parent
subfolder = 'web2py/'
elif gluon_parent.endswith('/Contents/Resources/'):
version_type = 'osx'
destination = gluon_parent[:-len('/Contents/Resources/')]
subfolder = 'web2py/web2py.app/'
else:
version_type = 'src'
destination = gluon_parent
subfolder = 'web2py/'
full_url = url + '/examples/static/web2py_%s.zip' % version_type
filename = abspath('web2py_%s_downloaded.zip' % version_type)
try:
write_file(filename, urllib.urlopen(full_url).read(), 'wb')
except Exception, e:
return False, e
try:
unzip(filename, destination, subfolder)
return True, None
except Exception, e:
return False, e
def add_path_first(path):
sys.path = [path] + [p for p in sys.path if (
not p == path and not p == (path + '/'))]
if not global_settings.web2py_runtime_gae:
site.addsitedir(path)
def create_missing_folders():
if not global_settings.web2py_runtime_gae:
for path in ('applications', 'deposit', 'site-packages', 'logs'):
path = abspath(path, gluon=True)
if not os.path.exists(path):
os.mkdir(path)
paths = (global_settings.gluon_parent, abspath(
'site-packages', gluon=True), abspath('gluon', gluon=True), '')
[add_path_first(path) for path in paths]
def create_missing_app_folders(request):
if not global_settings.web2py_runtime_gae:
if request.folder not in global_settings.app_folders:
for subfolder in ('models', 'views', 'controllers', 'databases',
'modules', 'cron', 'errors', 'sessions',
'languages', 'static', 'private', 'uploads'):
path = os.path.join(request.folder, subfolder)
if not os.path.exists(path):
os.mkdir(path)
global_settings.app_folders.add(request.folder)
|