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import os
import sys
import string
import formatter
import imp
import struct
import random
import binascii
import re
class Error(Exception):
pass
def random_secret():
try:
text = open('/dev/urandom').read(16)
except:
text = struct.pack('dd', random.random(), random.random())
return binascii.hexlify(text)
def make_directory(name):
parent, child = os.path.split(name)
if child:
make_directory(parent)
try:
os.stat(name)[0]
return
except (IOError, OSError):
pass
print 'creating directory %s' % name
os.mkdir(name)
class File:
def __init__(self, name, dest):
self.name = name
self.dest = dest
def dest_pathname(self):
if self.dest[-1] == os.sep:
dirname, name = os.path.split(self.name)
return os.path.join(self.dest, name)
return self.dest
def dest_dirname(self):
dirname, name = os.path.split(self.dest_pathname())
return dirname
def copyfile(self, installer):
data = open(self.name).read()
if re.search(r'-=-secret-=-', data):
secret = installer.get_secret()
data = re.sub(r'-=-secret-=-', str(secret), data)
data = re.sub(r'-=-install_dir-=-', self.dest_dirname(), data)
dest = self.dest_pathname()
open(dest, 'w').write(data)
return dest
class ExecFile(File):
def install(self, installer):
dest = self.copyfile(installer)
print 'copy exec %s to %s' % (self.name, dest)
if os.name == 'posix':
os.chmod(dest, 0755)
class ModuleFile(File):
def install(self, installer):
dest = self.copyfile(installer)
print 'copy module %s to %s' % (self.name, dest)
class HtmlFile(File):
def install(self, installer):
dest = self.copyfile(installer)
print 'copy html %s to %s' % (self.name, dest)
class DataFile(File):
def install(self, installer):
dest = self.copyfile(installer)
print 'copy data %s to %s' % (self.name, dest)
class ImageFile(File):
def install(self, installer):
dest = self.copyfile(installer)
print 'copy image %s to %s' % (self.name, dest)
class Config:
def __init__(self):
self.__has_changed = 0
def __str__(self):
parts = []
for name in dir(self):
if type(getattr(self, name)) is not type(''):
continue
parts.append('%s = "%s"' % (name, getattr(self, name)))
parts.append('')
return string.join(parts, '\n')
def set_value(self, attr, value):
if not hasattr(self, attr) or getattr(self, attr) != value:
self.__has_changed = 1
setattr(self, attr, value)
def has_changed(self):
return self.__has_changed
class Installer:
def __init__(self, name, cgi = 0, apache = 0, doc = 0):
msg = 'Installing %s' % name
print msg
print '=' * len(msg)
self._name = name
self._files = []
self.load_config()
if cgi:
cgibin_dir = self.get_config('cgibin_dir')
self.destdir = os.path.join(cgibin_dir, self._name)
elif apache:
modpython_dir = self.get_config('modpython_dir')
self.destdir = os.path.join(modpython_dir, self._name)
elif doc:
doc_dir = self.get_config('doc_dir')
self.destdir = os.path.join(doc_dir, self._name)
else:
raise Error('must specify either cgi = 1 or apache = 1 or doc = 1')
def __del__(self):
self.save_config()
def get_config(self, name):
if hasattr(self.config, name):
return getattr(self.config, name)
w = formatter.DumbWriter()
f = formatter.AbstractFormatter(w)
f.add_flowing_data('Please enter a value for ')
f.add_flowing_data(name)
f.add_flowing_data(' which is ')
if name[-7:] == '_secret':
f.add_flowing_data('the secret key used to sign pickles' \
' sent to the browser from the ')
f.add_flowing_data(self._name)
f.add_flowing_data(' program.')
default = '<random key>'
elif name == 'cgibin_dir':
f.add_flowing_data('the top level directory where CGI Albatross')
f.add_flowing_data(' samples will be installed.')
default = '/usr/lib/cgi-bin'
elif name == 'modpython_dir':
f.add_flowing_data('the top level directory where mod_python')
f.add_flowing_data(' Albatross samples will be installed.')
default = '/var/www'
elif name == 'doc_dir':
f.add_flowing_data('the top level directory where ')
f.add_flowing_data(' Albatross html documents will be installed.')
default = '/var/www'
f.end_paragraph(1)
value = raw_input('Enter %s [%s]: ' % (name, default))
if not value:
value = default
self.config.set_value(name, value)
return value
def load_config(self):
pathname = sys.modules['install'].__file__
dirname, name = os.path.split(pathname)
self.cfgname = os.path.join(dirname, 'install.cfg')
self.config = Config()
try:
execfile(self.cfgname, globals(), self.config.__dict__)
except IOError:
pass
def save_config(self):
if self.config.has_changed():
open(self.cfgname, 'w').write('%s' % self.config)
def get_secret(self):
dirname, name = os.path.split(self._name)
attr = '%s_secret' % name
secret = self.get_config(attr)
if secret == '<random key>':
self.config.set_value(attr, random_secret())
return getattr(self.config, attr)
def add_exec(self, name, dest = ''):
dest = os.path.join(self.destdir, dest)
self._files.append(ExecFile(name, dest))
def add_module(self, name, dest = ''):
dest = os.path.join(self.destdir, dest)
self._files.append(ModuleFile(name, dest))
def add_html(self, name, dest = ''):
dest = os.path.join(self.destdir, dest)
self._files.append(HtmlFile(name, dest))
def add_data(self, name, dest = ''):
dest = os.path.join(self.destdir, dest)
self._files.append(DataFile(name, dest))
def add_image(self, name, dest = ''):
dest = os.path.join(self.destdir, dest)
self._files.append(ImageFile(name, dest))
def install(self):
# Make sure all directories exist
dirnames = {}
for file in self._files:
dirnames[file.dest_dirname()] = 1
dirnames = dirnames.keys()
dirnames.sort()
for name in dirnames:
make_directory(name)
# Install files
for file in self._files:
file.install(self)
print
class Catalog:
def __init__(self):
self.dirnames = []
def append(self, name):
self.dirnames.append(name)
def install_all(self):
self.dirnames.sort()
for dirname in self.dirnames:
if not self.install(dirname):
break
def install(self, dirname):
cwd = os.getcwd()
os.chdir(dirname)
result = os.system('python install.py')
os.chdir(cwd)
return result == 0
# Walk the samples directory finding information about samples
def visit_dir(catalog, dirname, names):
if dirname != rootdir and 'install.py' in names:
catalog.append(dirname)
if __name__ == '__main__':
# Find the root of the samples directory
rootdir, basename = os.path.split(sys.argv[0])
if not rootdir:
rootdir = '.'
catalog = Catalog()
os.path.walk(rootdir, visit_dir, catalog)
catalog.install_all()
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