mirror of
https://github.com/checkpoint-restore/criu
synced 2025-08-31 06:15:24 +00:00
py: Fix tabs in code comments
These were left by yapf formatter Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
This commit is contained in:
Radostin Stoyanov
committed by
Andrei Vagin
Andrei Vagin
parent
34dbf67b24
commit
72402c6e7a
@@ -11,8 +11,8 @@ import pycriu.rpc_pb2 as rpc
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class _criu_comm:
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"""
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Base class for communication classes.
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"""
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Base class for communication classes.
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"""
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COMM_SK = 0
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COMM_FD = 1
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COMM_BIN = 2
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@@ -22,22 +22,22 @@ class _criu_comm:
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def connect(self, daemon):
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"""
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Connect to criu and return socket object.
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daemon -- is for whether or not criu should daemonize if executing criu from binary(comm_bin).
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"""
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Connect to criu and return socket object.
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daemon -- is for whether or not criu should daemonize if executing criu from binary(comm_bin).
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"""
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pass
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def disconnect(self):
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"""
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Disconnect from criu.
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"""
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Disconnect from criu.
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"""
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pass
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class _criu_comm_sk(_criu_comm):
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"""
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Communication class for unix socket.
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"""
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Communication class for unix socket.
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"""
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def __init__(self, sk_path):
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self.comm_type = self.COMM_SK
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@@ -55,8 +55,8 @@ class _criu_comm_sk(_criu_comm):
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class _criu_comm_fd(_criu_comm):
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"""
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Communication class for file descriptor.
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"""
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Communication class for file descriptor.
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"""
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def __init__(self, fd):
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self.comm_type = self.COMM_FD
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@@ -74,8 +74,8 @@ class _criu_comm_fd(_criu_comm):
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class _criu_comm_bin(_criu_comm):
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"""
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Communication class for binary.
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"""
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Communication class for binary.
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"""
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def __init__(self, bin_path):
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self.comm_type = self.COMM_BIN
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@@ -139,8 +139,8 @@ class _criu_comm_bin(_criu_comm):
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class CRIUException(Exception):
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"""
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Exception class for handling and storing criu errors.
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"""
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Exception class for handling and storing criu errors.
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"""
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typ = None
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_str = None
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@@ -150,8 +150,8 @@ class CRIUException(Exception):
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class CRIUExceptionInternal(CRIUException):
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"""
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Exception class for handling and storing internal errors.
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"""
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Exception class for handling and storing internal errors.
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"""
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def __init__(self, typ, s):
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self.typ = typ
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@@ -161,8 +161,8 @@ class CRIUExceptionInternal(CRIUException):
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class CRIUExceptionExternal(CRIUException):
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"""
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Exception class for handling and storing criu RPC errors.
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"""
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Exception class for handling and storing criu RPC errors.
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"""
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def __init__(self, req_typ, resp_typ, errno):
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self.typ = req_typ
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@@ -196,8 +196,8 @@ class CRIUExceptionExternal(CRIUException):
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class criu:
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"""
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Call criu through RPC.
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"""
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Call criu through RPC.
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"""
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opts = None #CRIU options in pb format
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_comm = None #Communication method
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@@ -209,26 +209,26 @@ class criu:
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def use_sk(self, sk_name):
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"""
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Access criu using unix socket which that belongs to criu service daemon.
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"""
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Access criu using unix socket which that belongs to criu service daemon.
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"""
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self._comm = _criu_comm_sk(sk_name)
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def use_fd(self, fd):
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"""
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Access criu using provided fd.
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"""
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Access criu using provided fd.
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"""
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self._comm = _criu_comm_fd(fd)
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def use_binary(self, bin_name):
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"""
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Access criu by execing it using provided path to criu binary.
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"""
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Access criu by execing it using provided path to criu binary.
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"""
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self._comm = _criu_comm_bin(bin_name)
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def _send_req_and_recv_resp(self, req):
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"""
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As simple as send request and receive response.
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"""
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As simple as send request and receive response.
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"""
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# In case of self-dump we need to spawn criu swrk detached
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# from our current process, as criu has a hard time separating
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# process resources from its own if criu is located in a same
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@@ -262,8 +262,8 @@ class criu:
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def check(self):
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"""
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Checks whether the kernel support is up-to-date.
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"""
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Checks whether the kernel support is up-to-date.
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"""
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req = rpc.criu_req()
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req.type = rpc.CHECK
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@@ -274,8 +274,8 @@ class criu:
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def dump(self):
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"""
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Checkpoint a process/tree identified by opts.pid.
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"""
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Checkpoint a process/tree identified by opts.pid.
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"""
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req = rpc.criu_req()
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req.type = rpc.DUMP
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req.opts.MergeFrom(self.opts)
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@@ -289,8 +289,8 @@ class criu:
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def pre_dump(self):
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"""
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Checkpoint a process/tree identified by opts.pid.
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"""
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Checkpoint a process/tree identified by opts.pid.
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"""
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req = rpc.criu_req()
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req.type = rpc.PRE_DUMP
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req.opts.MergeFrom(self.opts)
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@@ -304,8 +304,8 @@ class criu:
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def restore(self):
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"""
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Restore a process/tree.
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"""
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Restore a process/tree.
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"""
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req = rpc.criu_req()
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req.type = rpc.RESTORE
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req.opts.MergeFrom(self.opts)
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@@ -12,8 +12,8 @@
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# SIZE ::= "32 bit integer, equals the PAYLOAD length"
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#
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# Images v1.1 NOTE: MAGIC now consist of 2 32 bit integers, first one is
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# MAGIC_COMMON or MAGIC_SERVICE and the second one is same as MAGIC
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# in images V1.0. We don't keep "first" magic in json images.
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# MAGIC_COMMON or MAGIC_SERVICE and the second one is same as MAGIC
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# in images V1.0. We don't keep "first" magic in json images.
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#
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# In order to convert images to human-readable format, we use dict(json).
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# Using json not only allows us to easily read\write images, but also
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@@ -23,18 +23,18 @@
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# Using dict(json) format, criu images can be described like:
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#
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# {
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# 'magic' : 'FOO',
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# 'entries' : [
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# entry,
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# ...
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# ]
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# 'magic' : 'FOO',
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# 'entries' : [
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# entry,
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# ...
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# ]
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# }
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#
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# Entry, in its turn, could be described as:
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#
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# {
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# pb_msg,
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# 'extra' : extra_msg
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# pb_msg,
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# 'extra' : extra_msg
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# }
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#
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import io
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@@ -72,23 +72,23 @@ class MagicException(Exception):
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# format to/from dict(json).
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class entry_handler:
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"""
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Generic class to handle loading/dumping criu images
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entries from/to bin format to/from dict(json).
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"""
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Generic class to handle loading/dumping criu images
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entries from/to bin format to/from dict(json).
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"""
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def __init__(self, payload, extra_handler=None):
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"""
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Sets payload class and extra handler class.
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"""
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Sets payload class and extra handler class.
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"""
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self.payload = payload
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self.extra_handler = extra_handler
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def load(self, f, pretty=False, no_payload=False):
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"""
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Convert criu image entries from binary format to dict(json).
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Takes a file-like object and returnes a list with entries in
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dict(json) format.
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"""
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Convert criu image entries from binary format to dict(json).
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Takes a file-like object and returnes a list with entries in
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dict(json) format.
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"""
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entries = []
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while True:
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@@ -128,17 +128,17 @@ class entry_handler:
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def loads(self, s, pretty=False):
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"""
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Same as load(), but takes a string as an argument.
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"""
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Same as load(), but takes a string as an argument.
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"""
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f = io.BytesIO(s)
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return self.load(f, pretty)
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def dump(self, entries, f):
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"""
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Convert criu image entries from dict(json) format to binary.
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Takes a list of entries and a file-like object to write entries
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in binary format to.
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"""
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Convert criu image entries from dict(json) format to binary.
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Takes a list of entries and a file-like object to write entries
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in binary format to.
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"""
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for entry in entries:
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extra = entry.pop('extra', None)
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@@ -156,17 +156,17 @@ class entry_handler:
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def dumps(self, entries):
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"""
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Same as dump(), but doesn't take file-like object and just
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returns a string.
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"""
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Same as dump(), but doesn't take file-like object and just
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returns a string.
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"""
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f = io.BytesIO('')
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self.dump(entries, f)
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return f.read()
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def count(self, f):
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"""
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Counts the number of top-level object in the image file
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"""
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Counts the number of top-level object in the image file
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"""
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entries = 0
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while True:
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@@ -183,10 +183,10 @@ class entry_handler:
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# Special handler for pagemap.img
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class pagemap_handler:
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"""
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Special entry handler for pagemap.img, which is unique in a way
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that it has a header of pagemap_head type followed by entries
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of pagemap_entry type.
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"""
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Special entry handler for pagemap.img, which is unique in a way
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that it has a header of pagemap_head type followed by entries
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of pagemap_entry type.
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"""
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def load(self, f, pretty=False, no_payload=False):
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entries = []
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@@ -547,10 +547,10 @@ def __rhandler(f):
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def load(f, pretty=False, no_payload=False):
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"""
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Convert criu image from binary format to dict(json).
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Takes a file-like object to read criu image from.
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Returns criu image in dict(json) format.
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"""
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Convert criu image from binary format to dict(json).
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Takes a file-like object to read criu image from.
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Returns criu image in dict(json) format.
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"""
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image = {}
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m, handler = __rhandler(f)
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@@ -574,18 +574,18 @@ def info(f):
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def loads(s, pretty=False):
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"""
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Same as load(), but takes a string.
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"""
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Same as load(), but takes a string.
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"""
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f = io.BytesIO(s)
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return load(f, pretty)
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def dump(img, f):
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"""
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Convert criu image from dict(json) format to binary.
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Takes an image in dict(json) format and file-like
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object to write to.
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"""
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Convert criu image from dict(json) format to binary.
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Takes an image in dict(json) format and file-like
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object to write to.
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"""
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m = img['magic']
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magic_val = magic.by_name[img['magic']]
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@@ -609,9 +609,9 @@ def dump(img, f):
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def dumps(img):
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"""
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Same as dump(), but takes only an image and returns
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a string.
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"""
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Same as dump(), but takes only an image and returns
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a string.
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"""
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f = io.BytesIO(b'')
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dump(img, f)
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return f.getvalue()
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