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import os
import logging
import shutil
import tempfile
import six
from . import process
from . import runtime
from . import path
yatest_logger = logging.getLogger("ya.test")
def _copy(src, dst, universal_lines=False):
if universal_lines:
with open(dst, "wb") as f:
mode = "rbU" if six.PY2 else "rb"
for line in open(src, mode):
f.write(line)
return
shutil.copy(src, dst)
@runtime.default_arg0
def canonical_file(
path, diff_tool=None, local=False, universal_lines=False, diff_file_name=None, diff_tool_timeout=None
):
"""
Create canonical file that can be returned from a test
:param path: path to the file
:param diff_tool: custom diff tool to use for comparison with the canonical one, if None - default will be used
:param local: save file locally, otherwise move to sandbox
:param universal_lines: normalize EOL
:param diff_tool_timeout: timeout for running diff tool
:return: object that can be canonized
"""
abs_path = os.path.abspath(path)
assert os.path.exists(abs_path), "Canonical path {} does not exist".format(path)
tempdir = tempfile.mkdtemp(prefix="canon_tmp", dir=runtime.build_path())
safe_path = os.path.join(tempdir, os.path.basename(abs_path))
# if the created file is in output_path, we copy it, so that it will be available when the tests finishes
_copy(path, safe_path, universal_lines=universal_lines)
if diff_tool:
if not isinstance(diff_tool, six.string_types):
try: # check if iterable
if not isinstance(diff_tool[0], six.string_types):
raise Exception("Invalid custom diff-tool: not cmd")
except Exception:
raise Exception("Invalid custom diff-tool: not binary path")
return runtime._get_ya_plugin_instance().file(
safe_path, diff_tool=diff_tool, local=local, diff_file_name=diff_file_name, diff_tool_timeout=diff_tool_timeout
)
@runtime.default_arg0
def canonical_dir(path, diff_tool=None, local=False, diff_file_name=None, diff_tool_timeout=None):
abs_path = os.path.abspath(path)
assert os.path.exists(abs_path), "Canonical path {} does not exist".format(path)
assert os.path.isdir(abs_path), "Path {} is not a directory".format(path)
if diff_file_name and not diff_tool:
raise Exception("diff_file_name can be only be used with diff_tool for canonical_dir")
tempdir = tempfile.mkdtemp()
safe_path = os.path.join(tempdir, os.path.basename(abs_path))
shutil.copytree(abs_path, safe_path)
return runtime._get_ya_plugin_instance().file(
safe_path, diff_tool=diff_tool, local=local, diff_file_name=diff_file_name, diff_tool_timeout=diff_tool_timeout
)
def canonical_execute(
binary,
args=None,
check_exit_code=True,
shell=False,
timeout=None,
cwd=None,
env=None,
stdin=None,
stderr=None,
creationflags=0,
file_name=None,
save_locally=False,
close_fds=False,
diff_tool=None,
diff_file_name=None,
diff_tool_timeout=None,
data_transformer=None,
):
"""
Shortcut to execute a binary and canonize its stdout
:param binary: absolute path to the binary
:param args: binary arguments
:param check_exit_code: will raise ExecutionError if the command exits with non zero code
:param shell: use shell to run the command
:param timeout: execution timeout
:param cwd: working directory
:param env: command environment
:param stdin: command stdin
:param stderr: command stderr
:param creationflags: command creation flags
:param file_name: output file name. if not specified program name will be used
:param diff_tool: path to custome diff tool
:param diff_file_name: custom diff file name to create when diff is found
:param diff_tool_timeout: timeout for running diff tool
:param data_transformer: data modifier (before canonize)
:return: object that can be canonized
"""
if type(binary) == list:
command = binary
else:
command = [binary]
command += _prepare_args(args)
if shell:
command = " ".join(command)
execute_args = locals()
del execute_args["binary"]
del execute_args["args"]
del execute_args["file_name"]
del execute_args["save_locally"]
del execute_args["diff_tool"]
del execute_args["diff_file_name"]
del execute_args["diff_tool_timeout"]
del execute_args["data_transformer"]
if not file_name and stdin:
file_name = os.path.basename(stdin.name)
return _canonical_execute(
process.execute,
execute_args,
file_name,
save_locally,
diff_tool,
diff_file_name,
diff_tool_timeout,
data_transformer,
)
def canonical_py_execute(
script_path,
args=None,
check_exit_code=True,
shell=False,
timeout=None,
cwd=None,
env=None,
stdin=None,
stderr=None,
creationflags=0,
file_name=None,
save_locally=False,
close_fds=False,
diff_tool=None,
diff_file_name=None,
diff_tool_timeout=None,
data_transformer=None,
):
"""
Shortcut to execute a python script and canonize its stdout
:param script_path: path to the script arcadia relative
:param args: script arguments
:param check_exit_code: will raise ExecutionError if the command exits with non zero code
:param shell: use shell to run the command
:param timeout: execution timeout
:param cwd: working directory
:param env: command environment
:param stdin: command stdin
:param stderr: command stderr
:param creationflags: command creation flags
:param file_name: output file name. if not specified program name will be used
:param diff_tool: path to custome diff tool
:param diff_file_name: custom diff file name to create when diff is found
:param diff_tool_timeout: timeout for running diff tool
:param data_transformer: data modifier (before canonize)
:return: object that can be canonized
"""
command = [runtime.source_path(script_path)] + _prepare_args(args)
if shell:
command = " ".join(command)
execute_args = locals()
del execute_args["script_path"]
del execute_args["args"]
del execute_args["file_name"]
del execute_args["save_locally"]
del execute_args["diff_tool"]
del execute_args["diff_file_name"]
del execute_args["diff_tool_timeout"]
del execute_args["data_transformer"]
return _canonical_execute(
process.py_execute,
execute_args,
file_name,
save_locally,
diff_tool,
diff_file_name,
diff_tool_timeout,
data_transformer,
)
def _prepare_args(args):
if args is None:
args = []
if isinstance(args, six.string_types):
args = list(map(lambda a: a.strip(), args.split()))
return args
def _canonical_execute(
excutor, kwargs, file_name, save_locally, diff_tool, diff_file_name, diff_tool_timeout, data_transformer
):
res = excutor(**kwargs)
command = kwargs["command"]
file_name = file_name or process.get_command_name(command)
if file_name.endswith(".exe"):
file_name = os.path.splitext(file_name)[0] # don't want to bring windows stuff in file names
out_file_path = path.get_unique_file_path(runtime.output_path(), "{}.out.txt".format(file_name))
err_file_path = path.get_unique_file_path(runtime.output_path(), "{}.err.txt".format(file_name))
if not data_transformer:
def data_transformer(x):
return x
try:
os.makedirs(os.path.dirname(out_file_path))
except OSError:
pass
with open(out_file_path, "wb") as out_file:
yatest_logger.debug("Will store file in %s", out_file_path)
out_file.write(data_transformer(res.std_out))
if res.std_err:
with open(err_file_path, "wb") as err_file:
err_file.write(res.std_err)
return canonical_file(
out_file_path,
local=save_locally,
diff_tool=diff_tool,
diff_file_name=diff_file_name,
diff_tool_timeout=diff_tool_timeout,
)
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