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import logging
import os.path
from pip._internal.cli.spinners import open_spinner
from pip._internal.utils.setuptools_build import (
make_setuptools_bdist_wheel_args,
)
from pip._internal.utils.subprocess import (
LOG_DIVIDER,
call_subprocess,
format_command_args,
)
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import List, Optional, Text
logger = logging.getLogger(__name__)
def format_command_result(
command_args, # type: List[str]
command_output, # type: Text
):
# type: (...) -> str
"""Format command information for logging."""
command_desc = format_command_args(command_args)
text = 'Command arguments: {}\n'.format(command_desc)
if not command_output:
text += 'Command output: None'
elif logger.getEffectiveLevel() > logging.DEBUG:
text += 'Command output: [use --verbose to show]'
else:
if not command_output.endswith('\n'):
command_output += '\n'
text += 'Command output:\n{}{}'.format(command_output, LOG_DIVIDER)
return text
def get_legacy_build_wheel_path(
names, # type: List[str]
temp_dir, # type: str
name, # type: str
command_args, # type: List[str]
command_output, # type: Text
):
# type: (...) -> Optional[str]
"""Return the path to the wheel in the temporary build directory."""
# Sort for determinism.
names = sorted(names)
if not names:
msg = (
'Legacy build of wheel for {!r} created no files.\n'
).format(name)
msg += format_command_result(command_args, command_output)
logger.warning(msg)
return None
if len(names) > 1:
msg = (
'Legacy build of wheel for {!r} created more than one file.\n'
'Filenames (choosing first): {}\n'
).format(name, names)
msg += format_command_result(command_args, command_output)
logger.warning(msg)
return os.path.join(temp_dir, names[0])
def build_wheel_legacy(
name, # type: str
setup_py_path, # type: str
source_dir, # type: str
global_options, # type: List[str]
build_options, # type: List[str]
tempd, # type: str
):
# type: (...) -> Optional[str]
"""Build one unpacked package using the "legacy" build process.
Returns path to wheel if successfully built. Otherwise, returns None.
"""
wheel_args = make_setuptools_bdist_wheel_args(
setup_py_path,
global_options=global_options,
build_options=build_options,
destination_dir=tempd,
)
spin_message = 'Building wheel for {} (setup.py)'.format(name)
with open_spinner(spin_message) as spinner:
logger.debug('Destination directory: %s', tempd)
try:
output = call_subprocess(
wheel_args,
cwd=source_dir,
spinner=spinner,
)
except Exception:
spinner.finish("error")
logger.error('Failed building wheel for %s', name)
return None
names = os.listdir(tempd)
wheel_path = get_legacy_build_wheel_path(
names=names,
temp_dir=tempd,
name=name,
command_args=wheel_args,
command_output=output,
)
return wheel_path