def get_cruft(self):
n_cruft = 0
tagf = TagFile(open(self.status))
while tagf.step():
statusline = tagf.section.get("Status")
(want, flag, status) = statusline.split()
if want == "purge" and flag == "ok" and status == "not-installed":
n_cruft += 1
logging.debug("DpkgStatusPlugin found %s cruft items" % n_cruft)
if n_cruft:
return [DpkgStatusCruft(n_cruft)]
return [] # pragma: no cover
def get_cruft(self):
n_cruft = 0
tagf = TagFile(open(self.status))
while tagf.step():
statusline = tagf.section.get("Status")
(want, flag, status) = statusline.split()
if want == "purge" and flag == "ok" and status == "not-installed":
n_cruft += 1
logging.debug("DpkgStatusPlugin found %s cruft items" % n_cruft)
if n_cruft:
return [DpkgStatusCruft(n_cruft)]
return [] # pragma: no cover
def load(self, input):
"""
Load control file
"""
plain_file = open(input)
tagfile = TagFile(plain_file)
# Loop to skip PGP signature
while tagfile.step():
if tagfile.section.keys()[0][0] != '-':
break
self.tagfile = tagfile
def load(self, input):
"""
Load control file
"""
plain_file = open(input)
tagfile = TagFile(plain_file)
# Loop to skip PGP signature
while tagfile.step():
if tagfile.section.keys()[0][0] != '-':
break
self.tagfile = tagfile
def get_cruft(self):
n_cruft = 0
with open(self.status) as fp:
tagf = TagFile(fp)
while tagf.step():
statusline = tagf.section.get('Status')
(want, flag, status) = statusline.split()
if (want == 'purge' and flag == 'ok'
and status == 'not-installed'):
# Then...
n_cruft += 1
logging.debug('DpkgStatusPlugin found {} cruft items'.format(n_cruft))
if n_cruft:
return [DpkgStatusCruft(n_cruft)]
return []
def get_cruft(self):
n_cruft = 0
with open(self.status) as fp:
tagf = TagFile(fp)
while tagf.step():
statusline = tagf.section.get('Status')
(want, flag, status) = statusline.split()
if (want == 'purge' and
flag == 'ok' and
status == 'not-installed'):
# Then...
n_cruft += 1
logging.debug('DpkgStatusPlugin found {} cruft items'.format(n_cruft))
if n_cruft:
return [DpkgStatusCruft(n_cruft)]
return []
class DebianControlFile(object):
"""
This class holds all the information from a debian control file.
It also provides some methods to operate with that information.
"""
class FileInfo:
def __init__(self, md5sum, size, name):
self.size = size
self.md5sum = md5sum
self.name = name
class FileNotFoundError(Exception):
"""
A file operation was requested an a listed file was not found
"""
def __init__(self, filename):
self.filename = filename
def __str__(self):
return repr(self.filename)
class MD5Error(Exception):
"""
The MD5 checksum verification failed during a file copy/move
operation.
"""
def __init__(self, expected_md5, found_md5, name):
self.expected_md5 = expected_md5
self.found_md5 = found_md5
self.name = name
def __str__(self):
return repr(self.value1, self.value2, self.value3)
def __init__(self, input=None):
if type(input) == types.StringType:
self._filename = input
self.load(input)
else:
self.tagfile = TagFile(input)
def load(self, input):
"""
Load control file
"""
plain_file = open(input)
tagfile = TagFile(plain_file)
# Loop to skip PGP signature
while tagfile.step():
if tagfile.section.keys()[0][0] != '-':
break
self.tagfile = tagfile
def step(self):
""" Advance to next section """
return self.tagfile.step()
def files_list(self):
if not self['Files']:
return None
files = self['Files'].split('\n')
file_info_list = []
for file in files:
file_parts = file.strip(" ").split(" ")
file_info = self.FileInfo(file_parts[0], file_parts[1], \
file_parts[len(file_parts)-1])
file_info_list.append(file_info)
return file_info_list
def version(self):
"""
Returns the package version after removing the epoch part
"""
version = self.tagfile.section['Version']
epoch, sep, version = version.partition(":")
return version or epoch
def upstream_version(self):
"""
Returns the upstream version contained on the Version field
"""
return self.version().rsplit("-", 1)[0]
def verify_gpg(self, keyring, verbose=False):
"""Verifies the file GPG signature using the specified keyring
file.
@param keyring: they keyring to be used for verification
@return: the signature author or None
"""
gpg_cmd = "LANGUAGE=en_US.UTF-8 LANG=en_US.UTF-8 " \
"gpg --no-options --no-default-keyring " \
"--keyring %s --verify --logger-fd=1 %s" \
% (keyring, self._filename)
sign_author = None
(rc, output) = commands.getstatusoutput(gpg_cmd)
output = unicode(output, 'utf-8')
if verbose:
print output
output_lines = output.split("\n")
if rc == 0:
for line in output_lines:
if line.startswith("gpg: Good signature from"):
dummy, sign_author, dummy = line.split('"')
return sign_author
def verify_md5sum(self, source_dir=None):
"""
Verify the MD5 checksum for all the files
Returns:
None: on success
(expected_md5, found_md5, filename): on failure
"""
source_dir = source_dir or os.path.dirname(self._filename)
for file in self.files_list():
full_filename = "%s/%s" % (source_dir, file.name)
if not os.path.exists(full_filename):
return (file.md5sum, "FILE_NOT_FOUND", file.name)
else:
md5sum = commands.getoutput("md5sum %s" % full_filename)
(found_md5, dummy) = md5sum.split()
if found_md5 != file.md5sum:
return (file.md5sum, found_md5, file.name)
return None
def copy(self, destination_dir=None, source_dir=None, md5check=True):
"""
Copies the files listed on the control file
The control file is also copied at the end
"""
source_dir = source_dir or os.path.dirname(self._filename)
if not os.path.isdir(destination_dir):
raise Exception
return
file_list = self.files_list()
file_list.append(self.FileInfo(None, None, \
os.path.basename(self._filename)))
for file in file_list:
source_filename = "%s/%s" % (source_dir, file.name)
target_filename = "%s/%s" % (destination_dir, file.name)
if not os.path.exists(source_filename):
raise self.FileNotFoundError(source_filename)
return
shutil.copy2(source_filename, target_filename)
if md5check and file.md5sum:
md5sum = commands.getoutput("md5sum %s" % target_filename)
(found_md5, dummy) = md5sum.split()
if found_md5 != file.md5sum:
raise self.MD5Error(file.md5sum, found_md5, file.name)
return
return None
def move(self, destination_dir=None, source_dir=None, md5check=True):
"""
Moves the files listed on the control file
The control file is also moved at the end
Returns:
None: on success
(expected_md5, found_md5, filename): on failure
"""
source_dir = source_dir or os.path.dirname(self._filename)
if not os.path.isdir(destination_dir):
raise Exception
return
file_list = self.files_list()
file_list.append(self.FileInfo(None, None, \
os.path.basename(self._filename)))
for file in file_list:
source_filename = "%s/%s" % (source_dir, file.name)
target_filename = "%s/%s" % (destination_dir, file.name)
if not os.path.exists(source_filename):
raise self.FileNotFoundError(source_filename)
return
if os.path.exists(target_filename):
os.unlink(target_filename)
shutil.move(source_filename, target_filename)
if md5check and file.md5sum:
md5sum = commands.getoutput("md5sum %s" % target_filename)
(found_md5, dummy) = md5sum.split()
if found_md5 != file.md5sum:
raise self.MD5Error(file.md5sum, found_md5, file.name)
return
return None
def remove(self, source_dir=None):
"""
Removes all files listed and the control file itself
Returns:
None: on success
(expected_md5, found_md5, filename): on failure
"""
source_dir = source_dir or os.path.dirname(self._filename)
file_list = self.files_list()
file_list.append(self.FileInfo(None, None, \
os.path.basename(self._filename)))
for file in file_list:
full_filename = "%s/%s" % (source_dir, file.name)
if os.path.exists(full_filename):
os.unlink(full_filename)
def __getitem__(self, item):
try:
item = self.tagfile.section[item]
except KeyError:
item = None
return item
def __str__(self):
return str(self.tagfile.section)
class DebianControlFile(object):
"""
This class holds all the information from a debian control file.
It also provides some methods to operate with that information.
"""
class FileInfo:
def __init__(self, md5sum, size, name):
self.size = size
self.md5sum = md5sum
self.name = name
class FileNotFoundError(Exception):
"""
A file operation was requested an a listed file was not found
"""
def __init__(self, filename):
self.filename = filename
def __str__(self):
return repr(self.filename)
class MD5Error(Exception):
"""
The MD5 checksum verification failed during a file copy/move
operation.
"""
def __init__(self, expected_md5, found_md5, name):
self.expected_md5 = expected_md5
self.found_md5 = found_md5
self.name = name
def __str__(self):
return repr(self.value1, self.value2, self.value3)
def __init__(self, input=None):
if type(input) == types.StringType:
self._filename = input
self.load(input)
else:
self.tagfile = TagFile(input)
def load(self, input):
"""
Load control file
"""
plain_file = open(input)
tagfile = TagFile(plain_file)
# Loop to skip PGP signature
while tagfile.step():
if tagfile.section.keys()[0][0] != '-':
break
self.tagfile = tagfile
def step(self):
""" Advance to next section """
return self.tagfile.step()
def files_list(self):
if not self['Files']:
return None
files = self['Files'].split('\n')
file_info_list = []
for file in files:
file_parts = file.strip(" ").split(" ")
file_info = self.FileInfo(file_parts[0], file_parts[1], \
file_parts[len(file_parts)-1])
file_info_list.append(file_info)
return file_info_list
def version(self):
"""
Returns the package version after removing the epoch part
"""
version = self.tagfile.section['Version']
epoch, sep, version = version.partition(":")
return version or epoch
def upstream_version(self):
"""
Returns the upstream version contained on the Version field
"""
return self.version().rsplit("-", 1)[0]
def verify_gpg(self, keyring, verbose=False):
"""Verifies the file GPG signature using the specified keyring
file.
@param keyring: they keyring to be used for verification
@return: the signature author or None
"""
gpg_cmd = "LANGUAGE=en_US.UTF-8 LANG=en_US.UTF-8 " \
"gpg --no-options --no-default-keyring " \
"--keyring %s --verify --logger-fd=1 %s" \
% (keyring, self._filename)
sign_author = None
(rc, output) = commands.getstatusoutput(gpg_cmd)
output = unicode(output, 'utf-8')
if verbose:
print output
output_lines = output.split("\n")
if rc==0:
for line in output_lines:
if line.startswith("gpg: Good signature from"):
dummy, sign_author, dummy = line.split('"')
return sign_author
def verify_md5sum(self, source_dir=None):
"""
Verify the MD5 checksum for all the files
Returns:
None: on success
(expected_md5, found_md5, filename): on failure
"""
source_dir = source_dir or os.path.dirname(self._filename)
for file in self.files_list():
full_filename = "%s/%s" % (source_dir, file.name)
if not os.path.exists(full_filename):
return (file.md5sum, "FILE_NOT_FOUND", file.name)
else:
md5sum = commands.getoutput("md5sum %s" % full_filename)
(found_md5, dummy) = md5sum.split()
if found_md5 != file.md5sum:
return (file.md5sum, found_md5, file.name)
return None
def copy(self, destination_dir=None, source_dir=None, md5check=True):
"""
Copies the files listed on the control file
The control file is also copied at the end
"""
source_dir = source_dir or os.path.dirname(self._filename)
if not os.path.isdir(destination_dir):
raise Exception
return
file_list = self.files_list()
file_list.append(self.FileInfo(None, None, \
os.path.basename(self._filename)))
for file in file_list:
source_filename = "%s/%s" % (source_dir, file.name)
target_filename = "%s/%s" % (destination_dir, file.name)
if not os.path.exists(source_filename):
raise self.FileNotFoundError(source_filename)
return
shutil.copy2(source_filename, target_filename)
if md5check and file.md5sum:
md5sum = commands.getoutput("md5sum %s" % target_filename)
(found_md5, dummy) = md5sum.split()
if found_md5 != file.md5sum:
raise self.MD5Error(file.md5sum, found_md5, file.name)
return
return None
def move(self, destination_dir=None, source_dir=None, md5check=True):
"""
Moves the files listed on the control file
The control file is also moved at the end
Returns:
None: on success
(expected_md5, found_md5, filename): on failure
"""
source_dir = source_dir or os.path.dirname(self._filename)
if not os.path.isdir(destination_dir):
raise Exception
return
file_list = self.files_list()
file_list.append(self.FileInfo(None, None, \
os.path.basename(self._filename)))
for file in file_list:
source_filename = "%s/%s" % (source_dir, file.name)
target_filename = "%s/%s" % (destination_dir, file.name)
if not os.path.exists(source_filename):
raise self.FileNotFoundError(source_filename)
return
if os.path.exists(target_filename):
os.unlink(target_filename)
shutil.move(source_filename, target_filename)
if md5check and file.md5sum:
md5sum = commands.getoutput("md5sum %s" % target_filename)
(found_md5, dummy) = md5sum.split()
if found_md5 != file.md5sum:
raise self.MD5Error(file.md5sum, found_md5, file.name)
return
return None
def remove(self, source_dir=None):
"""
Removes all files listed and the control file itself
Returns:
None: on success
(expected_md5, found_md5, filename): on failure
"""
source_dir = source_dir or os.path.dirname(self._filename)
file_list = self.files_list()
file_list.append(self.FileInfo(None, None, \
os.path.basename(self._filename)))
for file in file_list:
full_filename = "%s/%s" % (source_dir, file.name)
if os.path.exists(full_filename):
os.unlink(full_filename)
def __getitem__(self, item):
try:
item = self.tagfile.section[item]
except KeyError:
item = None
return item
def __str__(self):
return str(self.tagfile.section)
