def dependencies_graph(username, modules=[]):
depfile = os.path.join(ServerSettings.yang_path(username),
'dependencies.xml')
if not os.path.exists(depfile):
(rc, msg) = Compiler.compile_pyimport(username, None)
if not rc:
return rc, msg
dgraph = DYGraph(depfile)
g = dgraph.digraph([m.text.split('.yang')[0] for m in modules])
if g is None:
return (
False,
"""Failed to generate dependency graph, please make sure that grapviz
python package is installed !!""")
try:
g.render(filename=os.path.join(settings.BASE_DIR, 'static', 'graph'))
except:
return (
False,
"""Failed to render dependency graph, please make sure that grapviz
binaries (http://www.graphviz.org/Download.php) are installed on
the server !!""")
return True, g.comment
def _compile_dependecies(user, modules):
""" Compile affected modules """
logging.debug('Compiling dependency ..')
yangdst = _get_yang_path(user)
dfile = os.path.join(yangdst, 'dependencies.xml')
if not os.path.exists(dfile):
logging.debug('Dependency file not found!!')
return
dmodules = Set([])
dgraph = DYGraph(dfile)
for m in modules:
module = dgraph.dependency_module(m)
if module is None:
continue
for name in module.imports:
dmodules.add(name)
for name in module.depends:
dmodules.add(name)
dmodules_list = list(dmodules)
for yangfile in glob.glob(os.path.join(yangdst, '*.yang')):
basename = os.path.basename(yangfile)
#skip dependency module itself
if basename in modules:
continue
base = os.path.splitext(basename)[0]
if '@' in base:
base = base.split('@')[0]
if base in dmodules_list:
(rc, msgs) = Compiler.compile_cxml(user, None, yangfile)
def get_dependencies(username, modules, session):
"""
return dependencies for given yang models
"""
session_dir = ''
logging.debug("get_dependencies: Target Modules " + str(modules))
if session is not None:
session_dir = ServerSettings.session_path(session)
dfile = os.path.join(session_dir, 'dependencies.xml')
else:
dfile = os.path.join(ServerSettings.yang_path(username), 'dependencies.xml')
if not os.path.exists(dfile):
logging.error('get_dependencies: dependency file %s missing!!', dfile)
return []
if session_dir:
session_files = [os.path.basename(_file) for _file in glob.glob(os.path.join(session_dir, '*.yang'))]
yang_path = ServerSettings.yang_path(username)
yang_files = [os.path.basename(_file) for _file in glob.glob(os.path.join(yang_path, '*.yang'))]
dmodules = Set([])
dgraph = DYGraph(dfile)
for m in modules:
module = dgraph.dependency_module(m)
if module is None:
continue
for name in module.imports:
dmodules.add(name)
for name in module.includes:
dmodules.add(name)
for name in module.depends:
dmodules.add(name)
dmodules_list = list(dmodules)
deplist = []
for _file in dmodules_list:
# prefer freshly uploaded files
if session_dir:
depfile = _find_matching(_file, session_dir, session_files)
else:
depfile = _find_matching(_file, yang_path, yang_files)
if depfile is not None:
deplist.append(depfile)
else:
logging.warning("get_dependencies: Dependency (%s) not satisfied, compilation will fail !!" % _file)
logging.debug("get_dependencies: Computed " + str(deplist))
return deplist
def dependencies_graph(username, modules=[]):
depfile = os.path.join(ServerSettings.yang_path(username), 'dependencies.xml')
if not os.path.exists(depfile):
(rc, msg) = Compiler.compile_pyimport(username, None)
if not rc: return (rc, msg)
dgraph = DYGraph(depfile)
g = dgraph.digraph([m.text.split('.yang')[0] for m in modules])
if g is None:
return (False, """Failed to generate dependency graph, please make sure that grapviz
python package is installed !!""")
try:
g.render(filename=os.path.join(settings.BASE_DIR, 'static', 'graph'))
except:
return (False, """Failed to render dependency graph, please make sure that grapviz
binaries (http://www.graphviz.org/Download.php) are installed on
the server !!""")
return (True, g.comment)
def get_dependencies(username, modules, session):
"""
return dependencies for given yang models
"""
session_dir = ''
logging.debug("get_dependencies: Target Modules " + str(modules))
if session is not None:
session_dir = ServerSettings.session_path(session)
dfile = os.path.join(session_dir, 'dependencies.xml')
else:
dfile = os.path.join(ServerSettings.yang_path(username),
'dependencies.xml')
if not os.path.exists(dfile):
logging.error('get_dependencies: dependency file %s missing!!',
dfile)
return []
if session_dir:
session_files = [
os.path.basename(_file)
for _file in glob.glob(os.path.join(session_dir, '*.yang'))
]
yang_path = ServerSettings.yang_path(username)
yang_files = [
os.path.basename(_file)
for _file in glob.glob(os.path.join(yang_path, '*.yang'))
]
dmodules = Set([])
dgraph = DYGraph(dfile)
for m in modules:
module = dgraph.dependency_module(m)
if module is None:
continue
for name in module.imports:
dmodules.add(name)
for name in module.includes:
dmodules.add(name)
for name in module.depends:
dmodules.add(name)
dmodules_list = list(dmodules)
deplist = []
for _file in dmodules_list:
# prefer freshly uploaded files
if session_dir:
depfile = _find_matching(_file, session_dir, session_files)
else:
depfile = _find_matching(_file, yang_path, yang_files)
if depfile is not None:
deplist.append(depfile)
else:
logging.warning(
"get_dependencies: Dependency (%s) not satisfied, compilation may fail !!"
% _file)
logging.debug("get_dependencies: Computed " + str(deplist))
return deplist
