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from rpython.rlib import rposix
from rpython.rlib.objectmodel import specialize
from rpython.rtyper.lltypesystem import lltype, rffi
@specialize.argtype(0)
def opendir(path):
path = rposix._as_bytes0(path)
return opendir_bytes(path)
def opendir_bytes(path):
dirp = rposix.c_opendir(path)
if not dirp:
raise OSError(rposix.get_saved_errno(), "opendir failed")
return dirp
def closedir(dirp):
rposix.c_closedir(dirp)
NULL_DIRP = lltype.nullptr(rposix.DIRP.TO)
def nextentry(dirp):
"""Read the next entry and returns an opaque object.
Use the methods has_xxx() and get_xxx() to read from that
opaque object. The opaque object is valid until the next
time nextentry() or closedir() is called. This may raise
OSError, or return a NULL pointer when exhausted. Note
that this doesn't filter out the "." and ".." entries.
"""
direntp = rposix.c_readdir(dirp)
if direntp:
error = rposix.get_saved_errno()
if error:
raise OSError(error, "readdir failed")
return direntp
def has_name_bytes(direntp):
return True
def get_name_bytes(direntp):
namep = rffi.cast(rffi.CCHARP, direntp.c_d_name)
return rffi.charp2str(namep)
DT_UNKNOWN = rposix.dirent_config.get('DT_UNKNOWN', 0)
DT_REG = rposix.dirent_config.get('DT_REG', 255)
DT_DIR = rposix.dirent_config.get('DT_DIR', 255)
DT_LNK = rposix.dirent_config.get('DT_LNK', 255)
def get_known_type(direntp):
if rposix.HAVE_D_TYPE:
return rffi.getintfield(direntp, 'c_d_type')
return DT_UNKNOWN
def get_inode(direntp):
return rffi.getintfield(direntp, 'c_d_ino')
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