615 lines
23 KiB
Python
615 lines
23 KiB
Python
#!/usr/bin/env python3
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#
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# This file is part of the MicroPython project, http://micropython.org/
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#
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# The MIT License (MIT)
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#
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# Copyright (c) 2022 Jim Mussared
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# Copyright (c) 2019 Damien P. George
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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from __future__ import print_function
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import contextlib
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import os
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import sys
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import glob
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import tempfile
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from collections import namedtuple
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__all__ = ["ManifestFileError", "ManifestFile"]
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# Allow freeze*() etc.
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MODE_FREEZE = 1
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# Only allow include/require/module/package.
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MODE_COMPILE = 2
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# Same as compile, but handles require(..., pypi="name") as a requirements.txt entry.
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MODE_PYPROJECT = 3
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# In compile mode, .py -> KIND_COMPILE_AS_MPY
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# In freeze mode, .py -> KIND_FREEZE_AS_MPY, .mpy->KIND_FREEZE_MPY
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KIND_AUTO = 1
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# Freeze-mode only, .py -> KIND_FREEZE_AS_MPY, .mpy->KIND_FREEZE_MPY
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KIND_FREEZE_AUTO = 2
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# Freeze-mode only, The .py file will be frozen as text.
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KIND_FREEZE_AS_STR = 3
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# Freeze-mode only, The .py file will be compiled and frozen as bytecode.
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KIND_FREEZE_AS_MPY = 4
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# Freeze-mode only, The .mpy file will be frozen directly.
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KIND_FREEZE_MPY = 5
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# Compile mode only, the .py file should be compiled to .mpy.
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KIND_COMPILE_AS_MPY = 6
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# File on the local filesystem.
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FILE_TYPE_LOCAL = 1
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# URL to file. (TODO)
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FILE_TYPE_HTTP = 2
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class ManifestFileError(Exception):
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pass
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class ManifestIgnoreException(Exception):
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pass
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class ManifestUsePyPIException(Exception):
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def __init__(self, pypi_name):
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self.pypi_name = pypi_name
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# The set of files that this manifest references.
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ManifestOutput = namedtuple(
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"ManifestOutput",
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[
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"file_type", # FILE_TYPE_*.
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"full_path", # The input file full path.
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"target_path", # The target path on the device.
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"timestamp", # Last modified date of the input file.
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"kind", # KIND_*.
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"metadata", # Metadata for the containing package.
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"opt", # Optimisation level (or None).
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],
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)
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# Represents the metadata for a package.
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class ManifestPackageMetadata:
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def __init__(self, is_require=False):
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self._is_require = is_require
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self._initialised = False
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self.version = None
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self.description = None
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self.license = None
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self.author = None
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# Annotate a package as being from the python standard library.
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self.stdlib = False
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# Allows a python-ecosys package to be annotated with the
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# corresponding name in PyPI. e.g. micropython-lib/urequests is based
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# on pypi/requests.
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self.pypi = None
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# For a micropython package, this is the name that we will publish it
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# to PyPI as. e.g. micropython-lib/senml publishes as
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# pypi/micropython-senml.
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self.pypi_publish = None
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def update(
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self,
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mode,
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description=None,
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version=None,
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license=None,
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author=None,
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stdlib=False,
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pypi=None,
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pypi_publish=None,
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):
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if self._initialised:
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raise ManifestFileError("Duplicate call to metadata().")
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# In MODE_PYPROJECT, if this manifest is being evaluated as a result
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# of a require(), then figure out if it should be replaced by a PyPI
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# dependency instead.
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if mode == MODE_PYPROJECT and self._is_require:
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if stdlib:
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# No dependency required at all for CPython.
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raise ManifestIgnoreException
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if pypi_publish or pypi:
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# In the case where a package is both based on a PyPI package and
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# provides one, preference depending on the published one.
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# (This should be pretty rare).
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raise ManifestUsePyPIException(pypi_publish or pypi)
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self.description = description
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self.version = version
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self.license = version
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self.author = author
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self.pypi = pypi
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self.pypi_publish = pypi_publish
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self._initialised = True
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def check_initialised(self, mode):
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# Ensure that metadata() is the first thing a manifest.py does.
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# This is to ensure that we early-exit if it should be replaced by a pypi dependency.
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if mode in (MODE_COMPILE, MODE_PYPROJECT):
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if not self._initialised:
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raise ManifestFileError("metadata() must be the first command in a manifest file.")
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def __str__(self):
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return "version={} description={} license={} author={} pypi={} pypi_publish={}".format(
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self.version, self.description, self.license, self.author, self.pypi, self.pypi_publish
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)
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# Turns a dict of options into a object with attributes used to turn the
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# kwargs passed to include() and require into the "options" global in the
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# included manifest.
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# options = IncludeOptions(foo="bar", blah="stuff")
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# options.foo # "bar"
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# options.blah # "stuff"
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class IncludeOptions:
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def __init__(self, **kwargs):
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self._kwargs = kwargs
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self._defaults = {}
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def defaults(self, **kwargs):
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self._defaults = kwargs
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def __getattr__(self, name):
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return self._kwargs.get(name, self._defaults.get(name, None))
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class ManifestFile:
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def __init__(self, mode, path_vars=None):
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# See MODE_* constants above.
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self._mode = mode
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# Path substitution variables.
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self._path_vars = path_vars or {}
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# List of files (as ManifestFileResult) references by this manifest.
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self._manifest_files = []
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# List of PyPI dependencies (when mode=MODE_PYPROJECT).
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self._pypi_dependencies = []
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# Don't allow including the same file twice.
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self._visited = set()
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# Stack of metadata for each level.
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self._metadata = [ManifestPackageMetadata()]
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def _resolve_path(self, path):
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# Convert path to an absolute path, applying variable substitutions.
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for name, value in self._path_vars.items():
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if value is not None:
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path = path.replace("$({})".format(name), value)
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return os.path.abspath(path)
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def _manifest_globals(self, kwargs):
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# This is the "API" available to a manifest file.
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g = {
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"metadata": self.metadata,
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"include": self.include,
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"require": self.require,
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"package": self.package,
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"module": self.module,
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"options": IncludeOptions(**kwargs),
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}
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# Extra legacy functions only for freeze mode.
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if self._mode == MODE_FREEZE:
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g.update(
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{
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"freeze": self.freeze,
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"freeze_as_str": self.freeze_as_str,
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"freeze_as_mpy": self.freeze_as_mpy,
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"freeze_mpy": self.freeze_mpy,
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}
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)
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return g
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def files(self):
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return self._manifest_files
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def pypi_dependencies(self):
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# In MODE_PYPROJECT, this will return a list suitable for requirements.txt.
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return self._pypi_dependencies
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def execute(self, manifest_file):
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if manifest_file.endswith(".py"):
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# Execute file from filesystem.
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self.include(manifest_file)
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else:
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# Execute manifest code snippet.
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try:
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exec(manifest_file, self._manifest_globals({}))
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except Exception as er:
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raise ManifestFileError("Error in manifest: {}".format(er))
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def _add_file(self, full_path, target_path, kind=KIND_AUTO, opt=None):
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# Check file exists and get timestamp.
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try:
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stat = os.stat(full_path)
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timestamp = stat.st_mtime
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except OSError:
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raise ManifestFileError("Cannot stat {}".format(full_path))
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# Map the AUTO kinds to their actual kind based on mode and extension.
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_, ext = os.path.splitext(full_path)
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if self._mode == MODE_FREEZE:
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if kind in (
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KIND_AUTO,
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KIND_FREEZE_AUTO,
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):
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if ext.lower() == ".py":
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kind = KIND_FREEZE_AS_MPY
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elif ext.lower() == ".mpy":
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kind = KIND_FREEZE_MPY
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else:
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if kind != KIND_AUTO:
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raise ManifestFileError("Not in freeze mode")
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if ext.lower() != ".py":
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raise ManifestFileError("Expected .py file")
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kind = KIND_COMPILE_AS_MPY
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self._manifest_files.append(
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ManifestOutput(
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FILE_TYPE_LOCAL, full_path, target_path, timestamp, kind, self._metadata[-1], opt
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)
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)
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def _search(self, base_path, package_path, files, exts, kind, opt=None, strict=False):
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base_path = self._resolve_path(base_path)
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if files:
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# Use explicit list of files (relative to package_path).
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for file in files:
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if package_path:
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file = os.path.join(package_path, file)
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self._add_file(os.path.join(base_path, file), file, kind=kind, opt=opt)
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else:
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if base_path:
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prev_cwd = os.getcwd()
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os.chdir(self._resolve_path(base_path))
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# Find all candidate files.
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for dirpath, _, filenames in os.walk(package_path or ".", followlinks=True):
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for file in filenames:
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file = os.path.relpath(os.path.join(dirpath, file), ".")
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_, ext = os.path.splitext(file)
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if ext.lower() in exts:
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self._add_file(
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os.path.join(base_path, file),
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file,
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kind=kind,
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opt=opt,
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)
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elif strict:
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raise ManifestFileError("Unexpected file type")
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if base_path:
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os.chdir(prev_cwd)
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def metadata(self, **kwargs):
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"""
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From within a manifest file, use this to set the metadata for the
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package described by current manifest.
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After executing a manifest file (via execute()), call this
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to obtain the metadata for the top-level manifest file.
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See ManifestPackageMetadata.update() for valid kwargs.
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"""
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if kwargs:
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self._metadata[-1].update(self._mode, **kwargs)
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return self._metadata[-1]
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def include(self, manifest_path, is_require=False, **kwargs):
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"""
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Include another manifest.
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The manifest argument can be a string (filename) or an iterable of
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strings.
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Relative paths are resolved with respect to the current manifest file.
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If the path is to a directory, then it implicitly includes the
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manifest.py file inside that directory.
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Optional kwargs can be provided which will be available to the
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included script via the `options` variable.
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e.g. include("path.py", extra_features=True)
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in path.py:
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options.defaults(standard_features=True)
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# freeze minimal modules.
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if options.standard_features:
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# freeze standard modules.
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if options.extra_features:
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# freeze extra modules.
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"""
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if is_require:
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self._metadata[-1].check_initialised(self._mode)
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if not isinstance(manifest_path, str):
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for m in manifest_path:
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self.include(m, **kwargs)
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else:
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manifest_path = self._resolve_path(manifest_path)
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# Including a directory grabs the manifest.py inside it.
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if os.path.isdir(manifest_path):
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manifest_path = os.path.join(manifest_path, "manifest.py")
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if manifest_path in self._visited:
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return
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self._visited.add(manifest_path)
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if is_require:
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# This include is the result of require("name"), so push a new
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# package metadata onto the stack.
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self._metadata.append(ManifestPackageMetadata(is_require=True))
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try:
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with open(manifest_path) as f:
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# Make paths relative to this manifest file while processing it.
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# Applies to includes and input files.
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prev_cwd = os.getcwd()
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os.chdir(os.path.dirname(manifest_path))
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try:
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exec(f.read(), self._manifest_globals(kwargs))
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finally:
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os.chdir(prev_cwd)
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except ManifestIgnoreException:
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# e.g. MODE_PYPROJECT and this was a stdlib dependency. No-op.
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pass
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except ManifestUsePyPIException as e:
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# e.g. MODE_PYPROJECT and this was a package from
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# python-ecosys. Add PyPI dependency instead.
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self._pypi_dependencies.append(e.pypi_name)
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except Exception as e:
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raise ManifestFileError("Error in manifest file: {}: {}".format(manifest_path, e))
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if is_require:
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self._metadata.pop()
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def require(self, name, version=None, unix_ffi=False, pypi=None, **kwargs):
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"""
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Require a module by name from micropython-lib.
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Optionally specify unix_ffi=True to use a module from the unix-ffi directory.
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Optionally specify pipy="package-name" to indicate that this should
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use the named package from PyPI when building for CPython.
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"""
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self._metadata[-1].check_initialised(self._mode)
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if self._mode == MODE_PYPROJECT and pypi:
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# In PYPROJECT mode, allow overriding the PyPI dependency name
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# explicitly. Otherwise if the dependent package has metadata
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# (pypi_publish) or metadata(pypi) we will use that.
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self._pypi_dependencies.append(pypi)
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return
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if self._path_vars["MPY_LIB_DIR"]:
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lib_dirs = ["micropython", "python-stdlib", "python-ecosys"]
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if unix_ffi:
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# Search unix-ffi only if unix_ffi=True, and make unix-ffi modules
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# take precedence.
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lib_dirs = ["unix-ffi"] + lib_dirs
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for lib_dir in lib_dirs:
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# Search for {lib_dir}/**/{name}/manifest.py.
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for root, dirnames, filenames in os.walk(
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os.path.join(self._path_vars["MPY_LIB_DIR"], lib_dir)
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):
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if os.path.basename(root) == name and "manifest.py" in filenames:
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self.include(root, is_require=True, **kwargs)
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return
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raise ValueError("Library not found in local micropython-lib: {}".format(name))
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else:
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# TODO: HTTP request to obtain URLs from manifest.json.
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raise ValueError("micropython-lib not available for require('{}').", name)
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def package(self, package_path, files=None, base_path=".", opt=None):
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"""
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Define a package, optionally restricting to a set of files.
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Simple case, a package in the current directory:
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package("foo")
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will include all .py files in foo, and will be stored as foo/bar/baz.py.
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If the package isn't in the current directory, use base_path:
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package("foo", base_path="src")
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To restrict to certain files in the package use files (note: paths should be relative to the package):
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package("foo", files=["bar/baz.py"])
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"""
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self._metadata[-1].check_initialised(self._mode)
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# Include "base_path/package_path/**/*.py" --> "package_path/**/*.py"
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self._search(base_path, package_path, files, exts=(".py",), kind=KIND_AUTO, opt=opt)
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def module(self, module_path, base_path=".", opt=None):
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"""
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Include a single Python file as a module.
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If the file is in the current directory:
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module("foo.py")
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Otherwise use base_path to locate the file:
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module("foo.py", "src/drivers")
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"""
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self._metadata[-1].check_initialised(self._mode)
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# Include "base_path/module_path" --> "module_path"
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base_path = self._resolve_path(base_path)
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_, ext = os.path.splitext(module_path)
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if ext.lower() != ".py":
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raise ManifestFileError("module must be .py file")
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# TODO: version None
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self._add_file(os.path.join(base_path, module_path), module_path, opt=opt)
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def _freeze_internal(self, path, script, exts, kind, opt):
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if script is None:
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self._search(path, None, None, exts=exts, kind=kind, opt=opt)
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elif isinstance(script, str) and os.path.isdir(os.path.join(path, script)):
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self._search(path, script, None, exts=exts, kind=kind, opt=opt)
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elif not isinstance(script, str):
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self._search(path, None, script, exts=exts, kind=kind, opt=opt)
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else:
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self._search(path, None, (script,), exts=exts, kind=kind, opt=opt)
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def freeze(self, path, script=None, opt=None):
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"""
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Freeze the input, automatically determining its type. A .py script
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will be compiled to a .mpy first then frozen, and a .mpy file will be
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frozen directly.
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`path` must be a directory, which is the base directory to _search for
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files from. When importing the resulting frozen modules, the name of
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the module will start after `path`, ie `path` is excluded from the
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module name.
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If `path` is relative, it is resolved to the current manifest.py.
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Use $(MPY_DIR), $(MPY_LIB_DIR), $(PORT_DIR), $(BOARD_DIR) if you need
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to access specific paths.
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If `script` is None all files in `path` will be frozen.
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If `script` is an iterable then freeze() is called on all items of the
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iterable (with the same `path` and `opt` passed through).
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|
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If `script` is a string then it specifies the file or directory to
|
|
freeze, and can include extra directories before the file or last
|
|
directory. The file or directory will be _searched for in `path`. If
|
|
`script` is a directory then all files in that directory will be frozen.
|
|
|
|
`opt` is the optimisation level to pass to mpy-cross when compiling .py
|
|
to .mpy.
|
|
"""
|
|
self._freeze_internal(
|
|
path,
|
|
script,
|
|
exts=(
|
|
".py",
|
|
".mpy",
|
|
),
|
|
kind=KIND_FREEZE_AUTO,
|
|
opt=opt,
|
|
)
|
|
|
|
def freeze_as_str(self, path):
|
|
"""
|
|
Freeze the given `path` and all .py scripts within it as a string,
|
|
which will be compiled upon import.
|
|
"""
|
|
self._search(path, None, None, exts=(".py",), kind=KIND_FREEZE_AS_STR)
|
|
|
|
def freeze_as_mpy(self, path, script=None, opt=None):
|
|
"""
|
|
Freeze the input (see above) by first compiling the .py scripts to
|
|
.mpy files, then freezing the resulting .mpy files.
|
|
"""
|
|
self._freeze_internal(path, script, exts=(".py",), kind=KIND_FREEZE_AS_MPY, opt=opt)
|
|
|
|
def freeze_mpy(self, path, script=None, opt=None):
|
|
"""
|
|
Freeze the input (see above), which must be .mpy files that are
|
|
frozen directly.
|
|
"""
|
|
self._freeze_internal(path, script, exts=(".mpy",), kind=KIND_FREEZE_MPY, opt=opt)
|
|
|
|
|
|
# Generate a temporary file with a line appended to the end that adds __version__.
|
|
@contextlib.contextmanager
|
|
def tagged_py_file(path, metadata):
|
|
dest_fd, dest_path = tempfile.mkstemp(suffix=".py", text=True)
|
|
try:
|
|
with os.fdopen(dest_fd, "w") as dest:
|
|
with open(path, "r") as src:
|
|
contents = src.read()
|
|
dest.write(contents)
|
|
|
|
# Don't overwrite a version definition if the file already has one in it.
|
|
if metadata.version and "__version__ =" not in contents:
|
|
dest.write("\n\n__version__ = {}\n".format(repr(metadata.version)))
|
|
yield dest_path
|
|
finally:
|
|
os.unlink(dest_path)
|
|
|
|
|
|
def main():
|
|
import argparse
|
|
|
|
cmd_parser = argparse.ArgumentParser(description="List the files referenced by a manifest.")
|
|
cmd_parser.add_argument("--freeze", action="store_true", help="freeze mode")
|
|
cmd_parser.add_argument("--compile", action="store_true", help="compile mode")
|
|
cmd_parser.add_argument("--pyproject", action="store_true", help="pyproject mode")
|
|
cmd_parser.add_argument(
|
|
"--lib",
|
|
default=os.path.join(os.path.dirname(__file__), "../lib/micropython-lib"),
|
|
help="path to micropython-lib repo",
|
|
)
|
|
cmd_parser.add_argument("--port", default=None, help="path to port dir")
|
|
cmd_parser.add_argument("--board", default=None, help="path to board dir")
|
|
cmd_parser.add_argument(
|
|
"--top",
|
|
default=os.path.join(os.path.dirname(__file__), ".."),
|
|
help="path to micropython repo",
|
|
)
|
|
cmd_parser.add_argument("files", nargs="+", help="input manifest.py")
|
|
args = cmd_parser.parse_args()
|
|
|
|
path_vars = {
|
|
"MPY_DIR": os.path.abspath(args.top) if args.top else None,
|
|
"BOARD_DIR": os.path.abspath(args.board) if args.board else None,
|
|
"PORT_DIR": os.path.abspath(args.port) if args.port else None,
|
|
"MPY_LIB_DIR": os.path.abspath(args.lib) if args.lib else None,
|
|
}
|
|
|
|
mode = None
|
|
if args.freeze:
|
|
mode = MODE_FREEZE
|
|
elif args.compile:
|
|
mode = MODE_COMPILE
|
|
elif args.pyproject:
|
|
mode = MODE_PYPROJECT
|
|
else:
|
|
print("Error: No mode specified.", file=sys.stderr)
|
|
exit(1)
|
|
|
|
m = ManifestFile(mode, path_vars)
|
|
for manifest_file in args.files:
|
|
try:
|
|
m.execute(manifest_file)
|
|
except ManifestFileError as er:
|
|
print(er, file=sys.stderr)
|
|
exit(1)
|
|
print(m.metadata())
|
|
for f in m.files():
|
|
print(f)
|
|
if mode == MODE_PYPROJECT:
|
|
for r in m.pypi_dependencies():
|
|
print("pypi-require:", r)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|