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