def mib2pysnmp2(mib_file, output_dir):
"""
The 'build-pysnmp-mib' script we previously used is no longer available
Latest pysmi has the ability to generate a .py file from .mib automatically
:param mib_file: path to the .mib file we want to compile
:param output_dir: path to the output directory
:return: True if we successfully compile the .mib to a .py
"""
logger.debug('Compiling mib file: %s', mib_file)
# create a mib compiler with output dir
mibCompiler = MibCompiler(SmiV2Parser(), PySnmpCodeGen(),
PyFileWriter(output_dir))
# add sources from where we fetch dependencies
mibCompiler.addSources(HttpReader('mibs.snmplabs.com', 80, '/asn1/@mib@'))
mibCompiler.addSources(
FileReader(os.path.dirname(os.path.abspath(mib_file))))
# add searchers
mibCompiler.addSearchers(PyFileSearcher(output_dir))
mibCompiler.addSearchers(PyPackageSearcher('pysnmp.mibs'))
mibCompiler.addSearchers(StubSearcher(*baseMibs))
# compile, there should be a MIBFILE.py generated under output_dir
mibName = os.path.basename(mib_file).replace('.mib', '')
results = mibCompiler.compile(mibName)
if results[mibName] == 'compiled' or results[mibName] == 'untouched':
return True
return False
def _get_reader_from_url(url):
from urllib.parse import urlparse
from pysmi.reader.httpclient import HttpReader
if not (url.startswith('//') or url.startswith('http://')
or url.startswith('https://')):
url = "//" + url
url_parsed = urlparse(url)
url_host = url_parsed.hostname
url_locationTemplate = url_parsed.path
port = 80
if url_parsed.port:
port = url_parsed.port
return HttpReader(url_host, port, url_locationTemplate)
def getReadersFromUrls(*sourceUrls, **options):
readers = []
for sourceUrl in sourceUrls:
mibSource = urlparse.urlparse(sourceUrl)
if sys.version_info[0:2] < (2, 5):
class ParseResult(tuple):
pass
mibSource = ParseResult(mibSource)
for k, v in zip(
('scheme', 'netloc', 'path', 'params', 'query', 'fragment',
'username', 'password', 'hostname', 'port'),
mibSource + ('', '', '', None)):
setattr(mibSource, k, v)
if not mibSource.scheme or mibSource.scheme == 'file':
readers.append(FileReader(mibSource.path).setOptions(**options))
elif mibSource.scheme in ('http', 'https'):
readers.append(
HttpReader(
mibSource.hostname or mibSource.netloc,
mibSource.port or 80,
mibSource.path,
ssl=mibSource.scheme == 'https').setOptions(**options))
elif mibSource.scheme in ('ftp', 'sftp'):
readers.append(
FtpReader(mibSource.hostname or mibSource.netloc,
mibSource.path,
ssl=mibSource.scheme == 'sftp',
port=mibSource.port or 21,
user=mibSource.username or 'anonymous',
password=mibSource.password
or 'anonymous@').setOptions(**options))
else:
raise error.PySmiError('Unsupported URL scheme %s' % sourceUrl)
return readers
#debug.setLogger(debug.Debug('borrower', 'reader', 'searcher'))
inputMibs = ['BORROWED-MIB']
httpSources = [('mibs.snmplabs.com', 80, '/asn1/@mib@')]
httpBorrowers = [('mibs.snmplabs.com', 80, '/pysnmp/notexts/@mib@')]
dstDirectory = '.pysnmp-mibs'
# Initialize compiler infrastructure
mibCompiler = MibCompiler(
parserFactory(**smiV1Relaxed)(), PySnmpCodeGen(),
PyFileWriter(dstDirectory))
# search for source MIBs at Web sites
mibCompiler.addSources(*[HttpReader(*x) for x in httpSources])
# never recompile MIBs with MACROs
mibCompiler.addSearchers(StubSearcher(*baseMibs))
# check compiled/borrowed MIBs in our own productions
mibCompiler.addSearchers(PyFileSearcher(dstDirectory))
# search for compiled MIBs at Web sites if source is not available or broken
mibCompiler.addBorrowers(*[
PyFileBorrower(HttpReader(*x)).setOptions(genTexts=False)
for x in httpBorrowers
])
# run non-recursive MIB compilation
results = mibCompiler.compile(*inputMibs)
from pysmi import debug
#debug.setLogger(debug.Debug('all'))
inputMibs = [ 'IF-MIB', 'IP-MIB' ]
httpSources = [
('mibs.snmplabs.com', 80, '/asn1/@mib@')
]
ftpSources = [
('ftp.cisco.com', '/pub/mibs/v2/@mib@')
]
dstDirectory = '.pysnmp-mibs'
# Initialize compiler infrastructure
mibCompiler = MibCompiler(
parserFactory(**smiV1Relaxed)(), PySnmpCodeGen(), PyFileWriter(dstDirectory)
)
# search for source MIBs at Web and FTP sites
mibCompiler.addSources(*[ HttpReader(*x) for x in httpSources ])
mibCompiler.addSources(*[ FtpReader(*x) for x in ftpSources ])
# never recompile MIBs with MACROs
mibCompiler.addSearchers(StubSearcher(*baseMibs))
# run non-recursive MIB compilation
results = mibCompiler.compile(*inputMibs, **dict(noDeps=True))
print('Results: %s' % ', '.join(['%s:%s' % (x, results[x]) for x in results]))
from pysmi.borrower.pyfile import PyFileBorrower
from pysmi.writer.pyfile import PyFileWriter
from pysmi.parser.null import NullParser
from pysmi.codegen.null import NullCodeGen
from pysmi.compiler import MibCompiler
from pysmi import debug
#debug.setLogger(debug.Debug('compiler'))
inputMibs = ['BORROWED-MIB']
httpBorrowers = [('mibs.snmplabs.com', 80, '/pysnmp/notexts/@mib@')]
dstDirectory = '.pysnmp-mibs'
# Initialize compiler infrastructure
mibCompiler = MibCompiler(NullParser(), NullCodeGen(),
PyFileWriter(dstDirectory))
# check compiled/borrowed MIBs in our own productions
mibCompiler.addSearchers(PyFileSearcher(dstDirectory))
# search for precompiled MIBs at Web sites
mibCompiler.addBorrowers(
*[PyFileBorrower(HttpReader(*x)) for x in httpBorrowers])
# run MIB compilation
results = mibCompiler.compile(*inputMibs)
print('Results: %s' % ', '.join(['%s:%s' % (x, results[x]) for x in results]))
