FM / pyarrow

/usr/local/lib64/python3.6/site-packages/pyarrow/

/usr/local/lib64/python3.6/site-packages/pyarrow

Name	Size	Mode	Actions
include/	-	0755	rm
includes/	-	0755	rm
tensorflow/	-	0755	rm
tests/	-	0755	rm
vendored/	-	0755	rm
__pycache__/	-	0755	rm
array.pxi	79609	0644	edit dl rm
benchmark.pxi	869	0644	edit dl rm
benchmark.py	856	0644	edit dl rm
builder.pxi	2688	0644	edit dl rm
cffi.py	2178	0644	edit dl rm
compat.pxi	1810	0644	edit dl rm
compat.py	1076	0644	edit dl rm
compute.py	22837	0644	edit dl rm
config.pxi	2613	0644	edit dl rm
csv.py	962	0644	edit dl rm
cuda.py	1087	0644	edit dl rm
dataset.py	33333	0644	edit dl rm
error.pxi	7807	0644	edit dl rm
feather.py	9258	0644	edit dl rm
filesystem.py	14468	0644	edit dl rm
flight.py	1794	0644	edit dl rm
fs.py	13444	0644	edit dl rm
gandiva.pyx	18447	0644	edit dl rm
hdfs.py	7527	0644	edit dl rm
io.pxi	64495	0644	edit dl rm
ipc.pxi	28821	0644	edit dl rm
ipc.py	8029	0644	edit dl rm
json.py	858	0644	edit dl rm
jvm.py	9593	0644	edit dl rm
lib.cpython-36m-x86_64-linux-gnu.so	3760528	0755	edit dl rm
lib.pxd	14442	0644	edit dl rm
lib.pyx	4373	0644	edit dl rm
libarrow.so.600	48162600	0755	edit dl rm
libarrow_dataset.so.600	2541120	0755	edit dl rm
libarrow_flight.so.600	12999784	0755	edit dl rm
libarrow_python.so.600	1848920	0755	edit dl rm
libarrow_python_flight.so.600	112728	0755	edit dl rm
libparquet.so.600	4458552	0755	edit dl rm
libplasma.so.600	251296	0755	edit dl rm
lib_api.h	19153	0644	edit dl rm
memory.pxi	7451	0644	edit dl rm
orc.py	5269	0644	edit dl rm
pandas-shim.pxi	7987	0644	edit dl rm
pandas_compat.py	42243	0644	edit dl rm
parquet.py	86844	0644	edit dl rm
plasma-store-server	482776	0755	edit dl rm
plasma.py	6075	0644	edit dl rm
public-api.pxi	12814	0644	edit dl rm
scalar.pxi	29182	0644	edit dl rm
serialization.pxi	19086	0644	edit dl rm
serialization.py	18202	0644	edit dl rm
table.pxi	72277	0644	edit dl rm
tensor.pxi	34311	0644	edit dl rm
types.pxi	79432	0644	edit dl rm
types.py	10381	0644	edit dl rm
util.py	5001	0644	edit dl rm
_compute.cpython-36m-x86_64-linux-gnu.so	717312	0755	edit dl rm
_compute.pxd	1149	0644	edit dl rm
_compute.pyx	41759	0644	edit dl rm
_csv.cpython-36m-x86_64-linux-gnu.so	312168	0755	edit dl rm
_csv.pxd	1602	0644	edit dl rm
_csv.pyx	39297	0644	edit dl rm
_cuda.pxd	1922	0644	edit dl rm
_cuda.pyx	34731	0644	edit dl rm
_dataset.cpython-36m-x86_64-linux-gnu.so	1080168	0755	edit dl rm
_dataset.pxd	1644	0644	edit dl rm
_dataset.pyx	120054	0644	edit dl rm
_dataset_orc.cpython-36m-x86_64-linux-gnu.so	52536	0755	edit dl rm
_dataset_orc.pyx	1345	0644	edit dl rm
_feather.cpython-36m-x86_64-linux-gnu.so	94280	0755	edit dl rm
_feather.pyx	3623	0644	edit dl rm
_flight.cpython-36m-x86_64-linux-gnu.so	1124664	0755	edit dl rm
_flight.pyx	93532	0644	edit dl rm
_fs.cpython-36m-x86_64-linux-gnu.so	469992	0755	edit dl rm
_fs.pxd	2484	0644	edit dl rm
_fs.pyx	40017	0644	edit dl rm
_generated_version.py	142	0644	edit dl rm
_hdfs.cpython-36m-x86_64-linux-gnu.so	127352	0755	edit dl rm
_hdfs.pyx	5471	0644	edit dl rm
_hdfsio.cpython-36m-x86_64-linux-gnu.so	208096	0755	edit dl rm
_hdfsio.pyx	13681	0644	edit dl rm
_json.cpython-36m-x86_64-linux-gnu.so	90616	0755	edit dl rm
_json.pyx	8406	0644	edit dl rm
_orc.cpython-36m-x86_64-linux-gnu.so	109776	0755	edit dl rm
_orc.pxd	2350	0644	edit dl rm
_orc.pyx	5151	0644	edit dl rm
_parquet.cpython-36m-x86_64-linux-gnu.so	507792	0755	edit dl rm
_parquet.pxd	22084	0644	edit dl rm
_parquet.pyx	47997	0644	edit dl rm
_plasma.cpython-36m-x86_64-linux-gnu.so	259168	0755	edit dl rm
_plasma.pyx	29495	0644	edit dl rm
_s3fs.cpython-36m-x86_64-linux-gnu.so	199496	0755	edit dl rm
_s3fs.pyx	11662	0644	edit dl rm
__init__.pxd	2195	0644	edit dl rm
__init__.py	21263	0644	edit dl rm

Edit: /usr/local/lib64/python3.6/site-packages/pyarrow/_hdfsio.pyx (13681B)

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

# ----------------------------------------------------------------------
# HDFS IO implementation

# cython: language_level = 3

import re

from pyarrow.lib cimport check_status, _Weakrefable, NativeFile
from pyarrow.includes.common cimport *
from pyarrow.includes.libarrow cimport *
from pyarrow.includes.libarrow_fs cimport *
from pyarrow.lib import frombytes, tobytes, ArrowIOError

from queue import Queue, Empty as QueueEmpty, Full as QueueFull

_HDFS_PATH_RE = re.compile(r'hdfs://(.*):(\d+)(.*)')

def have_libhdfs():
    try:
        with nogil:
            check_status(HaveLibHdfs())
        return True
    except Exception:
        return False

def strip_hdfs_abspath(path):
    m = _HDFS_PATH_RE.match(path)
    if m:
        return m.group(3)
    else:
        return path

cdef class HadoopFileSystem(_Weakrefable):
    cdef:
        shared_ptr[CIOHadoopFileSystem] client

cdef readonly:
        bint is_open
        object host
        object user
        object kerb_ticket
        int port
        dict extra_conf

def _connect(self, host, port, user, kerb_ticket, extra_conf):
        cdef HdfsConnectionConfig conf

if host is not None:
            conf.host = tobytes(host)
        self.host = host

conf.port = port
        self.port = port

if user is not None:
            conf.user = tobytes(user)
        self.user = user

if kerb_ticket is not None:
            conf.kerb_ticket = tobytes(kerb_ticket)
        self.kerb_ticket = kerb_ticket

with nogil:
            check_status(HaveLibHdfs())

if extra_conf is not None and isinstance(extra_conf, dict):
            conf.extra_conf = {tobytes(k): tobytes(v)
                               for k, v in extra_conf.items()}
        self.extra_conf = extra_conf

with nogil:
            check_status(CIOHadoopFileSystem.Connect(&conf, &self.client))
        self.is_open = True

@classmethod
    def connect(cls, *args, **kwargs):
        return cls(*args, **kwargs)

def __dealloc__(self):
        if self.is_open:
            self.close()

def close(self):
        """
        Disconnect from the HDFS cluster
        """
        self._ensure_client()
        with nogil:
            check_status(self.client.get().Disconnect())
        self.is_open = False

cdef _ensure_client(self):
        if self.client.get() == NULL:
            raise IOError('HDFS client improperly initialized')
        elif not self.is_open:
            raise IOError('HDFS client is closed')

def exists(self, path):
        """
        Returns True if the path is known to the cluster, False if it does not
        (or there is an RPC error)
        """
        self._ensure_client()

cdef c_string c_path = tobytes(path)
        cdef c_bool result
        with nogil:
            result = self.client.get().Exists(c_path)
        return result

def isdir(self, path):
        cdef HdfsPathInfo info
        try:
            self._path_info(path, &info)
        except ArrowIOError:
            return False
        return info.kind == ObjectType_DIRECTORY

def isfile(self, path):
        cdef HdfsPathInfo info
        try:
            self._path_info(path, &info)
        except ArrowIOError:
            return False
        return info.kind == ObjectType_FILE

def get_capacity(self):
        """
        Get reported total capacity of file system

Returns
        -------
        capacity : int
        """
        cdef int64_t capacity = 0
        with nogil:
            check_status(self.client.get().GetCapacity(&capacity))
        return capacity

def get_space_used(self):
        """
        Get space used on file system

Returns
        -------
        space_used : int
        """
        cdef int64_t space_used = 0
        with nogil:
            check_status(self.client.get().GetUsed(&space_used))
        return space_used

def df(self):
        """
        Return free space on disk, like the UNIX df command

Returns
        -------
        space : int
        """
        return self.get_capacity() - self.get_space_used()

def rename(self, path, new_path):
        cdef c_string c_path = tobytes(path)
        cdef c_string c_new_path = tobytes(new_path)
        with nogil:
            check_status(self.client.get().Rename(c_path, c_new_path))

def info(self, path):
        """
        Return detailed HDFS information for path

Parameters
        ----------
        path : string
            Path to file or directory

Returns
        -------
        path_info : dict
        """
        cdef HdfsPathInfo info
        self._path_info(path, &info)
        return {
            'path': frombytes(info.name),
            'owner': frombytes(info.owner),
            'group': frombytes(info.group),
            'size': info.size,
            'block_size': info.block_size,
            'last_modified': info.last_modified_time,
            'last_accessed': info.last_access_time,
            'replication': info.replication,
            'permissions': info.permissions,
            'kind': ('directory' if info.kind == ObjectType_DIRECTORY
                     else 'file')
        }

def stat(self, path):
        """
        Return basic file system statistics about path

Parameters
        ----------
        path : string
            Path to file or directory

Returns
        -------
        stat : dict
        """
        cdef FileStatistics info
        cdef c_string c_path = tobytes(path)
        with nogil:
            check_status(self.client.get()
                         .Stat(c_path, &info))
        return {
            'size': info.size,
            'kind': ('directory' if info.kind == ObjectType_DIRECTORY
                     else 'file')
        }

cdef _path_info(self, path, HdfsPathInfo* info):
        cdef c_string c_path = tobytes(path)

with nogil:
            check_status(self.client.get()
                         .GetPathInfo(c_path, info))

def ls(self, path, bint full_info):
        cdef:
            c_string c_path = tobytes(path)
            vector[HdfsPathInfo] listing
            list results = []
            int i

self._ensure_client()

with nogil:
            check_status(self.client.get()
                         .ListDirectory(c_path, &listing))

cdef const HdfsPathInfo* info
        for i in range(<int> listing.size()):
            info = &listing[i]

# Try to trim off the hdfs://HOST:PORT piece
            name = strip_hdfs_abspath(frombytes(info.name))

if full_info:
                kind = ('file' if info.kind == ObjectType_FILE
                        else 'directory')

results.append({
                    'kind': kind,
                    'name': name,
                    'owner': frombytes(info.owner),
                    'group': frombytes(info.group),
                    'last_modified_time': info.last_modified_time,
                    'last_access_time': info.last_access_time,
                    'size': info.size,
                    'replication': info.replication,
                    'block_size': info.block_size,
                    'permissions': info.permissions
                })
            else:
                results.append(name)

return results

def chmod(self, path, mode):
        """
        Change file permissions

Parameters
        ----------
        path : string
            absolute path to file or directory
        mode : int
            POSIX-like bitmask
        """
        self._ensure_client()
        cdef c_string c_path = tobytes(path)
        cdef int c_mode = mode
        with nogil:
            check_status(self.client.get()
                         .Chmod(c_path, c_mode))

def chown(self, path, owner=None, group=None):
        """
        Change file permissions

Parameters
        ----------
        path : string
            absolute path to file or directory
        owner : string, default None
            New owner, None for no change
        group : string, default None
            New group, None for no change
        """
        cdef:
            c_string c_path
            c_string c_owner
            c_string c_group
            const char* c_owner_ptr = NULL
            const char* c_group_ptr = NULL

self._ensure_client()

c_path = tobytes(path)
        if owner is not None:
            c_owner = tobytes(owner)
            c_owner_ptr = c_owner.c_str()

if group is not None:
            c_group = tobytes(group)
            c_group_ptr = c_group.c_str()

with nogil:
            check_status(self.client.get()
                         .Chown(c_path, c_owner_ptr, c_group_ptr))

def mkdir(self, path):
        """
        Create indicated directory and any necessary parent directories
        """
        self._ensure_client()
        cdef c_string c_path = tobytes(path)
        with nogil:
            check_status(self.client.get()
                         .MakeDirectory(c_path))

def delete(self, path, bint recursive=False):
        """
        Delete the indicated file or directory

Parameters
        ----------
        path : string
        recursive : boolean, default False
            If True, also delete child paths for directories
        """
        self._ensure_client()

cdef c_string c_path = tobytes(path)
        with nogil:
            check_status(self.client.get()
                         .Delete(c_path, recursive == 1))

def open(self, path, mode='rb', buffer_size=None, replication=None,
             default_block_size=None):
        """
        Open HDFS file for reading or writing

Parameters
        ----------
        mode : string
            Must be one of 'rb', 'wb', 'ab'

Returns
        -------
        handle : HdfsFile
        """
        self._ensure_client()

cdef HdfsFile out = HdfsFile()

if mode not in ('rb', 'wb', 'ab'):
            raise Exception("Mode must be 'rb' (read), "
                            "'wb' (write, new file), or 'ab' (append)")

cdef c_string c_path = tobytes(path)
        cdef c_bool append = False

# 0 in libhdfs means "use the default"
        cdef int32_t c_buffer_size = buffer_size or 0
        cdef int16_t c_replication = replication or 0
        cdef int64_t c_default_block_size = default_block_size or 0

cdef shared_ptr[HdfsOutputStream] wr_handle
        cdef shared_ptr[HdfsReadableFile] rd_handle

if mode in ('wb', 'ab'):
            if mode == 'ab':
                append = True

with nogil:
                check_status(
                    self.client.get()
                    .OpenWritable(c_path, append, c_buffer_size,
                                  c_replication, c_default_block_size,
                                  &wr_handle))

out.set_output_stream(<shared_ptr[COutputStream]> wr_handle)
            out.is_writable = True
        else:
            with nogil:
                check_status(self.client.get()
                             .OpenReadable(c_path, &rd_handle))

out.set_random_access_file(
                <shared_ptr[CRandomAccessFile]> rd_handle)
            out.is_readable = True

assert not out.closed

if c_buffer_size == 0:
            c_buffer_size = 2 ** 16

out.mode = mode
        out.buffer_size = c_buffer_size
        out.parent = _HdfsFileNanny(self, out)
        out.own_file = True

return out

def download(self, path, stream, buffer_size=None):
        with self.open(path, 'rb') as f:
            f.download(stream, buffer_size=buffer_size)

def upload(self, path, stream, buffer_size=None):
        """
        Upload file-like object to HDFS path
        """
        with self.open(path, 'wb') as f:
            f.upload(stream, buffer_size=buffer_size)

# ARROW-404: Helper class to ensure that files are closed before the
# client. During deallocation of the extension class, the attributes are
# decref'd which can cause the client to get closed first if the file has the
# last remaining reference
cdef class _HdfsFileNanny(_Weakrefable):
    cdef:
        object client
        object file_handle_ref

def __cinit__(self, client, file_handle):
        import weakref
        self.client = client
        self.file_handle_ref = weakref.ref(file_handle)

def __dealloc__(self):
        fh = self.file_handle_ref()
        if fh:
            fh.close()
        # avoid cyclic GC
        self.file_handle_ref = None
        self.client = None

cdef class HdfsFile(NativeFile):
    cdef readonly:
        int32_t buffer_size
        object mode
        object parent

def __dealloc__(self):
        self.parent = None

cmd: