def variable_init(conf_={}):
"""
Load the persistent variable table.
The variable table is composed of values that have been saved in the table
with variable_set() as well as those explicitly specified
in the configuration file.
"""
# NOTE: caching the variables improves performance by 20% when serving
# cached pages.
cached = lib_cache.get('variables', 'cache')
if (cached):
variables = cached.data
else:
variables = {}
result = lib_database.query('SELECT * FROM {variable}')
while True:
variable = lib_database.fetch_object(result)
if (not variable):
break
variables[variable.name] = php.unserialize(variable.value)
lib_cache.set('variables', variables)
for name, value in conf_.items():
variables[name] = value
return variables
def variable_init(conf_={}):
"""
Load the persistent variable table.
The variable table is composed of values that have been saved in the table
with variable_set() as well as those explicitly specified
in the configuration file.
"""
# NOTE: caching the variables improves performance by 20% when serving
# cached pages.
cached = lib_cache.get("variables", "cache")
if cached:
variables = cached.data
else:
variables = {}
result = lib_database.query("SELECT * FROM {variable}")
while True:
variable = lib_database.fetch_object(result)
if not variable:
break
variables[variable.name] = php.unserialize(variable.value)
lib_cache.set("variables", variables)
for name, value in conf_.items():
variables[name] = value
return variables
def table_exists(table):
"""
Check if a table exists.
"""
return bool(lib_database.fetch_object(\
lib_database.query("SHOW TABLES LIKE '{" + \
lib_database.escape_table(table) + "}'")))
def table_exists(table):
"""
Check if a table exists.
"""
return bool(lib_database.fetch_object(\
lib_database.query("SHOW TABLES LIKE '{" + \
lib_database.escape_table(table) + "}'")))
def list_(refresh = False, bootstrap = True, sort = False, \
fixed_list = None):
"""
Collect a list of all loaded plugins. During the bootstrap, return only
vital plugins. See bootstrap.inc
@param refresh
Whether to force the plugin list to be regenerated (such as after the
administrator has changed the system settings).
@param bootstrap
Whether to return the reduced set of plugins loaded in "bootstrap mode"
for cached pages. See bootstrap.inc.
@param sort
By default, plugins are ordered by weight and filename,
settings this option
to True, plugin list will be ordered by plugin name.
@param fixed_list
(Optional) Override the plugin list with the given plugins.
Stays until the
next call with refresh = True.
@return
An associative array whose keys and values are the names of all loaded
plugins.
"""
php.static(list_, 'list_', {})
php.static(list_, 'sorted_list')
if (refresh or fixed_list):
list_.sorted_list = None
list_.list_ = {}
if (fixed_list):
for name, plugin in fixed_list.items():
lib_bootstrap.drupal_get_filename('plugin', name,
plugin['filename'])
list_.list_[name] = name
else:
if (bootstrap):
result = lib_database.query(\
"SELECT name, filename FROM {system} " + \
"WHERE type = 'plugin' AND status = 1 AND " + \
"bootstrap = 1 ORDER BY weight ASC, filename ASC")
else:
result = lib_database.query(\
"SELECT name, filename FROM {system} " + \
"WHERE type = 'plugin' AND status = 1 " + \
"ORDER BY weight ASC, filename ASC")
while True:
plugin_ = lib_database.fetch_object(result)
if (plugin_ == None or plugin_ == False):
break
if (DrupyImport.exists(plugin_.filename)):
lib_bootstrap.drupal_get_filename('plugin', \
plugin_.name, plugin_.filename)
list_.list_[plugin_.name] = plugin_.name
if (sort):
if (list_.sorted_list == None):
list_.sorted_list = plugin_list.list_
p.ksort(list_.sorted_list)
return list_.sorted_list
return list_.list_
def column_exists(table, column):
"""
Check if a column exists in the given table.
"""
return bool(lib_database.fetch_object(\
lib_database.query("SHOW COLUMNS FROM {" + \
lib_database.escape_table(table) + "} LIKE '" + \
lib_database.escape_table(column) + "'")))
def column_exists(table, column):
"""
Check if a column exists in the given table.
"""
return bool(lib_database.fetch_object(\
lib_database.query("SHOW COLUMNS FROM {" + \
lib_database.escape_table(table) + "} LIKE '" + \
lib_database.escape_table(column) + "'")))
def list_(refresh = False, bootstrap = True, sort = False, \
fixed_list = None):
"""
Collect a list of all loaded plugins. During the bootstrap, return only
vital plugins. See bootstrap.inc
@param refresh
Whether to force the plugin list to be regenerated (such as after the
administrator has changed the system settings).
@param bootstrap
Whether to return the reduced set of plugins loaded in "bootstrap mode"
for cached pages. See bootstrap.inc.
@param sort
By default, plugins are ordered by weight and filename,
settings this option
to True, plugin list will be ordered by plugin name.
@param fixed_list
(Optional) Override the plugin list with the given plugins.
Stays until the
next call with refresh = True.
@return
An associative array whose keys and values are the names of all loaded
plugins.
"""
php.static(list_, 'list_', {})
php.static(list_, 'sorted_list')
if (refresh or fixed_list):
list_.sorted_list = None
list_.list_ = {}
if (fixed_list):
for name,plugin in fixed_list.items():
lib_bootstrap.drupal_get_filename('plugin', name, plugin['filename'])
list_.list_[name] = name
else:
if (bootstrap):
result = lib_database.query(\
"SELECT name, filename FROM {system} " + \
"WHERE type = 'plugin' AND status = 1 AND " + \
"bootstrap = 1 ORDER BY weight ASC, filename ASC")
else:
result = lib_database.query(\
"SELECT name, filename FROM {system} " + \
"WHERE type = 'plugin' AND status = 1 " + \
"ORDER BY weight ASC, filename ASC")
while True:
plugin_ = lib_database.fetch_object(result)
if (plugin_ == None or plugin_ == False):
break
if (DrupyImport.exists(plugin_.filename)):
lib_bootstrap.drupal_get_filename('plugin', \
plugin_.name, plugin_.filename)
list_.list_[plugin_.name] = plugin_.name
if (sort):
if (list_.sorted_list == None):
list_.sorted_list = plugin_list.list_
p.ksort(list_.sorted_list)
return list_.sorted_list
return list_.list_
def get(cid, table = 'cache'):
"""
Return data from the persistent cache. Data may be stored as either plain
text or as serialized data. cache_get will automatically return
unserialized objects and arrays.
@param cid
The cache ID of the data to retrieve.
@param table
The table table to store the data in.
Valid core values are 'cache_filter',
'cache_menu', 'cache_page', or 'cache' for the default cache.
@return The cache or FALSE on failure.
"""
# Garbage collection necessary when enforcing a minimum cache lifetime
cache_flush = lib_bootstrap.variable_get('cache_flush', 0);
if (cache_flush and (cache_flush + \
variable_get('cache_lifetime', 0) <= REQUEST_TIME)):
# Reset the variable immediately to prevent a meltdown in heavy
# load situations.
variable_set('cache_flush', 0);
# Time to php.flush old cache data
lib_database.query(\
"DELETE FROM {" + table + "} WHERE expire != %d AND expire <= %d", \
CACHE_PERMANENT, cache_flush);
cache = lib_database.fetch_object(lib_database.query(\
"SELECT data, created, headers, expire, serialized " + \
"FROM {" + table + "} WHERE cid = '%s'", cid));
if (php.isset(cache, 'data')):
# If the data is permanent or we're not enforcing a minimum cache lifetime
# always return the cached data.
if (cache.expire == CACHE_PERMANENT or not \
variable_get('cache_lifetime', 0)):
if (cache.serialized):
cache.data = php.unserialize(cache.data);
# If enforcing a minimum cache lifetime, validate that the data is
# currently valid for this user before we return it by making sure the
# cache entry was created before the timestamp in the current session's
# cache timer. The cache variable is loaded into the user object by
# _sess_read() in session.inc.
else:
if (lib_appglobals.user.cache > cache.created):
# This cache data is too old and thus not valid for us, ignore it.
return False;
else:
if (cache.serialized):
cache.data = php.unserialize(cache.data);
return cache;
return False;
def get(cid, table='cache'):
"""
Return data from the persistent cache. Data may be stored as either plain
text or as serialized data. cache_get will automatically return
unserialized objects and arrays.
@param cid
The cache ID of the data to retrieve.
@param table
The table table to store the data in.
Valid core values are 'cache_filter',
'cache_menu', 'cache_page', or 'cache' for the default cache.
@return The cache or FALSE on failure.
"""
# Garbage collection necessary when enforcing a minimum cache lifetime
cache_flush = lib_bootstrap.variable_get('cache_flush', 0)
if (cache_flush and (cache_flush + \
variable_get('cache_lifetime', 0) <= REQUEST_TIME)):
# Reset the variable immediately to prevent a meltdown in heavy
# load situations.
variable_set('cache_flush', 0)
# Time to php.flush old cache data
lib_database.query(\
"DELETE FROM {" + table + "} WHERE expire != %d AND expire <= %d", \
CACHE_PERMANENT, cache_flush)
cache = lib_database.fetch_object(lib_database.query(\
"SELECT data, created, headers, expire, serialized " + \
"FROM {" + table + "} WHERE cid = '%s'", cid))
if (php.isset(cache, 'data')):
# If the data is permanent or we're not enforcing a minimum cache lifetime
# always return the cached data.
if (cache.expire == CACHE_PERMANENT or not \
variable_get('cache_lifetime', 0)):
if (cache.serialized):
cache.data = php.unserialize(cache.data)
# If enforcing a minimum cache lifetime, validate that the data is
# currently valid for this user before we return it by making sure the
# cache entry was created before the timestamp in the current session's
# cache timer. The cache variable is loaded into the user object by
# _sess_read() in session.inc.
else:
if (lib_appglobals.user.cache > cache.created):
# This cache data is too old and thus not valid for us, ignore it.
return False
else:
if (cache.serialized):
cache.data = php.unserialize(cache.data)
return cache
return False
