def move(self, from_path, to_path):
"""
Renames an output file and modifies the stage associated
to reflect the change on the pipeline.
If the output has the same name as its stage, it would
also rename the corresponding stage file.
E.g.
Having: (hello, hello.dvc)
$ dvc move hello greetings
Result: (greeting, greeting.dvc)
It only works with outputs generated by `add` or `import`,
also known as data sources.
"""
import dvc.output as Output
from dvc.stage import Stage
from_out = Output.loads_from(Stage(self, cwd=os.curdir),
[from_path])[0]
to_path = self._expand_target_path(from_path, to_path)
try:
stage, out = next((stage, out) for stage in self.stages()
for out in stage.outs
if from_out.path == out.path)
except StopIteration:
raise DvcException(
"unable to find stage file with output '{path}'".format(
path=from_path))
if not stage.is_data_source:
raise MoveNotDataSourceError(stage.relpath)
stage_name = os.path.splitext(os.path.basename(stage.path))[0]
from_name = os.path.basename(from_out.path)
if stage_name == from_name:
os.unlink(stage.path)
stage.path = os.path.join(
os.path.dirname(to_path),
os.path.basename(to_path) + Stage.STAGE_FILE_SUFFIX,
)
stage.cwd = os.path.join(self.root_dir, os.path.dirname(to_path))
to_out = Output.loads_from(stage, [os.path.basename(to_path)],
out.cache, out.metric)[0]
with self.state:
out.move(to_out)
stage.dump()
self._remind_to_git_add()
def move(self, from_path, to_path):
"""
Renames an output file and modifies the stage associated
to reflect the change on the pipeline.
If the output has the same name as its stage, it would
also rename the corresponding stage file.
E.g.
Having: (hello, hello.dvc)
$ dvc move hello greetings
Result: (greeting, greeting.dvc)
It only works with outputs generated by `add` or `import`,
also known as data sources.
"""
import dvc.output as Output
from dvc.stage import Stage
from_out = Output.loads_from(Stage(self, cwd=os.curdir), [from_path])[0]
to_path = _expand_target_path(from_path, to_path)
outs = self.find_outs_by_path(from_out.path)
assert len(outs) == 1
out = outs[0]
stage = out.stage
if not stage.is_data_source:
raise MoveNotDataSourceError(stage.relpath)
stage_name = os.path.splitext(os.path.basename(stage.path))[0]
from_name = os.path.basename(from_out.path)
if stage_name == from_name:
os.unlink(stage.path)
stage.path = os.path.join(
os.path.dirname(to_path),
os.path.basename(to_path) + Stage.STAGE_FILE_SUFFIX,
)
stage.cwd = os.path.abspath(
os.path.join(os.curdir, os.path.dirname(to_path))
)
to_out = Output.loads_from(
stage, [os.path.basename(to_path)], out.cache, out.metric
)[0]
with self.state:
out.move(to_out)
stage.dump()
self.remind_to_git_add()
def move(self, from_path, to_path):
"""
Renames an output file and modifies the stage associated
to reflect the change on the pipeline.
If the output has the same name as its stage, it would
also rename the corresponding DVC-file.
E.g.
Having: (hello, hello.dvc)
$ dvc move hello greetings
Result: (greeting, greeting.dvc)
It only works with outputs generated by `add` or `import`,
also known as data sources.
"""
import dvc.output as Output
from dvc.stage import Stage
from ..dvcfile import DVC_FILE_SUFFIX, Dvcfile
from_out = Output.loads_from(Stage(self), [from_path])[0]
assert from_out.scheme == "local"
to_path = _expand_target_path(from_path, to_path)
outs = self.find_outs_by_path(from_out.fspath)
assert len(outs) == 1
out = outs[0]
stage = out.stage
if not stage.is_data_source:
raise MoveNotDataSourceError(stage.addressing)
stage_name = os.path.splitext(os.path.basename(stage.path))[0]
from_name = os.path.basename(from_out.fspath)
if stage_name == from_name:
os.unlink(stage.path)
stage.path = os.path.join(
os.path.dirname(to_path),
os.path.basename(to_path) + DVC_FILE_SUFFIX,
)
stage.wdir = os.path.abspath(
os.path.join(os.curdir, os.path.dirname(to_path)))
to_path = os.path.relpath(to_path, stage.wdir)
to_out = Output.loads_from(stage, [to_path], out.use_cache, out.metric)[0]
out.move(to_out)
stage.save()
Dvcfile(self, stage.path).dump(stage)
def move(self, from_path, to_path):
import dvc.output as Output
from dvc.stage import Stage
from_out = Output.loads_from(Stage(self, cwd=os.curdir),
[from_path])[0]
found = False
self._files_to_git_add = []
with self.state:
for stage in self.stages():
for out in stage.outs:
if out.path != from_out.path:
continue
if not stage.is_data_source:
raise MoveNotDataSourceError(stage.relpath)
found = True
to_out = Output.loads_from(out.stage,
[to_path],
out.cache,
out.metric)[0]
out.move(to_out)
stage_base = os.path.basename(stage.path)
stage_base = stage_base.rstrip(Stage.STAGE_FILE_SUFFIX)
stage_dir = os.path.dirname(stage.path)
from_base = os.path.basename(from_path)
to_base = os.path.basename(to_path)
if stage_base == from_base:
os.unlink(stage.path)
path = to_base + Stage.STAGE_FILE_SUFFIX
stage.path = os.path.join(stage_dir, path)
stage.dump()
self._remind_to_git_add()
if not found:
msg = 'Unable to find dvcfile with output \'{}\''
raise DvcException(msg.format(from_path))