def plugin_init():
"""It is a chicken egg situation in pluggdapp's component system.
* The plugin class objects are not available until the classes are fully
parsed and loaded.
* PluginMeta._implementers need to save plugin class object based on
the plugin class's implements() calls which happens during class
loading.
Additionally,
* Every plugin class object's `_interfs` attribute is populated with a
list of interfaces implemented by the class.
Hence the automagic of plugin system is supplemented by a call to this
function, once during startup, after all pluggdapps packages are loaded.
"""
from pluggdapps import papackages
# Re-initialize _interfs list for each plugin class, so that plugin_init()
# will not create duplicate entries.
[
setattr(info['cls'], '_interfs', [])
for _, info in PluginMeta._pluginmap.items()
]
# Optimize _implementers and _interfs for query_*
d = {}
for i, pmap in PluginMeta._implementers.items():
x = {}
for nm in pmap:
cls = PluginMeta._pluginmap[nm]['cls']
x[nm] = cls
cls._interfs.append(i)
d[i] = x
# All plugins, because they derive from :class:`Plugin`, implement
# ISettings interface.
d[ISettings] = {
nm: info['cls']
for nm, info in PluginMeta._pluginmap.items()
}
PluginMeta._implementers = d
# Compute asset-specification for all interfaces and plugins
for nm, info in PluginMeta._interfmap.items():
assetspec = h.asset_spec_from_abspath(info['file'], papackages)
if assetspec:
info['assetspec'] = assetspec
for nm, info in PluginMeta._pluginmap.items():
assetspec = h.asset_spec_from_abspath(info['file'], papackages)
if assetspec:
info['assetspec'] = assetspec
def plugin_init():
"""It is a chicken egg situation in pluggdapp's component system.
* The plugin class objects are not available until the classes are fully
parsed and loaded.
* PluginMeta._implementers need to save plugin class object based on
the plugin class's implements() calls which happens during class
loading.
Additionally,
* Every plugin class object's `_interfs` attribute is populated with a
list of interfaces implemented by the class.
Hence the automagic of plugin system is supplemented by a call to this
function, once during startup, after all pluggdapps packages are loaded.
"""
from pluggdapps import papackages
# Re-initialize _interfs list for each plugin class, so that plugin_init()
# will not create duplicate entries.
[ setattr(info['cls'], '_interfs', [])
for _, info in PluginMeta._pluginmap.items() ]
# Optimize _implementers and _interfs for query_*
d = {}
for i, pmap in PluginMeta._implementers.items() :
x = {}
for nm in pmap :
cls = PluginMeta._pluginmap[nm]['cls']
x[nm] = cls
cls._interfs.append(i)
d[i] = x
# All plugins, because they derive from :class:`Plugin`, implement
# ISettings interface.
d[ ISettings ] = { nm : info['cls']
for nm, info in PluginMeta._pluginmap.items() }
PluginMeta._implementers = d
# Compute asset-specification for all interfaces and plugins
for nm, info in PluginMeta._interfmap.items() :
assetspec = h.asset_spec_from_abspath( info['file'], papackages )
if assetspec :
info['assetspec'] = assetspec
for nm, info in PluginMeta._pluginmap.items() :
assetspec = h.asset_spec_from_abspath( info['file'], papackages )
if assetspec :
info['assetspec'] = assetspec
def _init( self, file=None, text=None ):
"""Reinitialize the compiler object to compile a different template
script."""
from pluggdapps import papackages
self.ttlloc = TemplateLookup( self, file, text )
self.encoding = self.ttlloc.encoding
self.ttlfile = self.ttlloc.ttlfile
self.ttltext = self.ttlloc.ttltext
self.pyfile = self.ttlloc.pyfile
# Compute the module name from ttlfile.
asset = h.asset_spec_from_abspath( self.ttlfile, papackages )
if asset :
n = '.'.join(asset.split(':', 1)[1].split( os.path.sep ))
self.modulename = n[:-4] if n.endswith('.ttl') else n
else :
n = '.'.join(self.ttlfile.split( os.path.sep ))
self.modulename = n[:-4] if n.endswith('.ttl') else n
self.mach._init( self.ttlfile )
self.igen._init()
# Check whether pyfile is older than the ttl file. In debug mode is is
# always re-generated.
self.pytext = ''
if self['debug'] == False :
if self.ttlfile and isfile( self.ttlfile ) :
if self.pyfile and isfile( self.pyfile ) :
m1 = os.stat( self.ttlfile ).st_mtime
m2 = os.stat( self.pyfile ).st_mtime
if m1 <= m2 :
self.pytext = open( self.pyfile ).read()
def _init(self, file=None, text=None):
"""Reinitialize the compiler object to compile a different template
script."""
from pluggdapps import papackages
self.ttlloc = TemplateLookup(self, file, text)
self.encoding = self.ttlloc.encoding
self.ttlfile = self.ttlloc.ttlfile
self.ttltext = self.ttlloc.ttltext
self.pyfile = self.ttlloc.pyfile
# Compute the module name from ttlfile.
asset = h.asset_spec_from_abspath(self.ttlfile, papackages)
if asset:
n = '.'.join(asset.split(':', 1)[1].split(os.path.sep))
self.modulename = n[:-4] if n.endswith('.ttl') else n
else:
n = '.'.join(self.ttlfile.split(os.path.sep))
self.modulename = n[:-4] if n.endswith('.ttl') else n
self.mach._init(self.ttlfile)
self.igen._init()
# Check whether pyfile is older than the ttl file. In debug mode is is
# always re-generated.
self.pytext = ''
if self['debug'] == False:
if self.ttlfile and isfile(self.ttlfile):
if self.pyfile and isfile(self.pyfile):
m1 = os.stat(self.ttlfile).st_mtime
m2 = os.stat(self.pyfile).st_mtime
if m1 <= m2:
self.pytext = open(self.pyfile).read()
