def extract(self, progress, password=None):
command = "x" if self.fullpath else "e"
# popen thinks process is still alive (just like pexpect) - very strange behavior
# so for now progress can not be determined correctly
p = self.call_unrar(command,
fs_encode(self.file),
self.out,
password=password)
renice(p.pid, self.renice)
progress(0)
out, err = p.communicate() #wait for process
progress(100)
if "CRC failed" in err and not password and not self.passwordProtected:
raise CRCError
elif "CRC failed" in err:
raise WrongPassword
if err.strip(): #raise error if anything is on stderr
raise ArchiveError(err.strip())
if p.returncode:
raise ArchiveError("Process terminated")
if not self.files:
self.password = password
self.listContent()
def checkArchive(self):
p = self.call_unrar("l", "-v", self.file)
out, err = p.communicate()
if self.re_wrongpwd.search(err):
self.passwordProtected = True
self.headerProtected = True
return True
# output only used to check if passworded files are present
if self.re_version.search(out):
for attr, size, name in self.re_filelist5.findall(out):
if attr.startswith("*"):
self.passwordProtected = True
return True
else:
for name, size, packed in self.re_filelist.findall(out):
if name.startswith("*"):
self.passwordProtected = True
return True
self.listContent()
if not self.files:
raise ArchiveError("Empty Archive")
return False
def extract(self, progress, password=None):
command = "x" if self.fullpath else "e"
p = self.call_unrar(command,
fs_encode(self.file),
self.out,
password=password)
renice(p.pid, self.renice)
progress(0)
progressstring = ""
while True:
c = p.stdout.read(1)
# quit loop on eof
if not c:
break
# reading a percentage sign -> set progress and restart
if c == '%':
progress(int(progressstring))
progressstring = ""
# not reading a digit -> therefore restart
elif c not in digits:
progressstring = ""
# add digit to progressstring
else:
progressstring = progressstring + c
progress(100)
# retrieve stderr
err = p.stderr.read()
if "CRC failed" in err and not password and not self.passwordProtected:
raise CRCError
elif "CRC failed" in err:
raise WrongPassword
if err.strip(): #: raise error if anything is on stderr
raise ArchiveError(err.strip())
if p.returncode:
raise ArchiveError("Process terminated")
if not self.files:
self.password = password
self.listContent()
def listContent(self):
command = "vb" if self.fullpath else "lb"
p = self.call_unrar(command, "-v", self.file, password=self.password)
out, err = p.communicate()
if "Cannot open" in err:
raise ArchiveError("Cannot open file")
if err.strip(): #: only log error at this point
self.m.logError(err.strip())
result = set()
for f in decode(out).splitlines():
f = f.strip()
result.add(save_join(self.out, f))
self.files = result