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tools/manifestfile.py: Add library for working with manifests. 

This splits the manifest file loading logic from makemanifest.py and
updates makemanifest.py to use it.

This will allow non-freezing uses of manifests, such as defining packages
and dependencies in micropython-lib.

Also adds additional methods to the manifest "API":
 - require() - to get a package from micropython-lib.
 - module() - to define a single-file module
 - package() - to define a multi-file package

module() and package() should replace most uses of freeze() and can also
be also used in non-freezing scenarios.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
This commit is contained in:
Jim Mussared 2022-07-13 23:36:45 +10:00
parent da7f2537a1
commit f3cdb052db
2 changed files with 474 additions and 238 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

296
tools/makemanifest.py
View File

@ -29,127 +29,10 @@ import sys
import os
import subprocess
###########################################################################
# Public functions to be used in the manifest
def include(manifest, **kwargs):
"""Include another manifest.
The manifest argument can be a string (filename) or an iterable of
strings.
Relative paths are resolved with respect to the current manifest file.
Optional kwargs can be provided which will be available to the
included script via the `options` variable.
e.g. include("path.py", extra_features=True)
in path.py:
options.defaults(standard_features=True)
# freeze minimal modules.
if options.standard_features:
# freeze standard modules.
if options.extra_features:
# freeze extra modules.
"""
if not isinstance(manifest, str):
for m in manifest:
include(m)
else:
manifest = convert_path(manifest)
with open(manifest) as f:
# Make paths relative to this manifest file while processing it.
# Applies to includes and input files.
prev_cwd = os.getcwd()
os.chdir(os.path.dirname(manifest))
exec(f.read(), globals(), {"options": IncludeOptions(**kwargs)})
os.chdir(prev_cwd)
def freeze(path, script=None, opt=0):
"""Freeze the input, automatically determining its type. A .py script
will be compiled to a .mpy first then frozen, and a .mpy file will be
frozen directly.
`path` must be a directory, which is the base directory to search for
files from. When importing the resulting frozen modules, the name of
the module will start after `path`, ie `path` is excluded from the
module name.
If `path` is relative, it is resolved to the current manifest.py.
Use $(MPY_DIR), $(MPY_LIB_DIR), $(PORT_DIR), $(BOARD_DIR) if you need
to access specific paths.
If `script` is None all files in `path` will be frozen.
If `script` is an iterable then freeze() is called on all items of the
iterable (with the same `path` and `opt` passed through).
If `script` is a string then it specifies the file or directory to
freeze, and can include extra directories before the file or last
directory. The file or directory will be searched for in `path`. If
`script` is a directory then all files in that directory will be frozen.
`opt` is the optimisation level to pass to mpy-cross when compiling .py
to .mpy.
"""
freeze_internal(KIND_AUTO, path, script, opt)
def freeze_as_str(path):
"""Freeze the given `path` and all .py scripts within it as a string,
which will be compiled upon import.
"""
freeze_internal(KIND_AS_STR, path, None, 0)
def freeze_as_mpy(path, script=None, opt=0):
"""Freeze the input (see above) by first compiling the .py scripts to
.mpy files, then freezing the resulting .mpy files.
"""
freeze_internal(KIND_AS_MPY, path, script, opt)
def freeze_mpy(path, script=None, opt=0):
"""Freeze the input (see above), which must be .mpy files that are
frozen directly.
"""
freeze_internal(KIND_MPY, path, script, opt)
###########################################################################
# Internal implementation
KIND_AUTO = 0
KIND_AS_STR = 1
KIND_AS_MPY = 2
KIND_MPY = 3
import manifestfile
VARS = {}
manifest_list = []
class IncludeOptions:
def __init__(self, **kwargs):
self._kwargs = kwargs
self._defaults = {}
def defaults(self, **kwargs):
self._defaults = kwargs
def __getattr__(self, name):
return self._kwargs.get(name, self._defaults.get(name, None))
class FreezeError(Exception):
pass
@ -163,15 +46,6 @@ def system(cmd):
return -1, er.output
def convert_path(path):
# Perform variable substituion.
for name, value in VARS.items():
path = path.replace("$({})".format(name), value)
# Convert to absolute path (so that future operations don't rely on
# still being chdir'ed).
return os.path.abspath(path)
def get_timestamp(path, default=None):
try:
stat = os.stat(path)
@ -182,119 +56,64 @@ def get_timestamp(path, default=None):
return default
def get_timestamp_newest(path):
ts_newest = 0
for dirpath, dirnames, filenames in os.walk(path, followlinks=True):
for f in filenames:
ts_newest = max(ts_newest, get_timestamp(os.path.join(dirpath, f)))
return ts_newest
def mkdir(filename):
path = os.path.dirname(filename)
if not os.path.isdir(path):
os.makedirs(path)
def freeze_internal(kind, path, script, opt):
path = convert_path(path)
if not os.path.isdir(path):
raise FreezeError("freeze path must be a directory: {}".format(path))
if script is None and kind == KIND_AS_STR:
manifest_list.append((KIND_AS_STR, path, script, opt))
elif script is None or isinstance(script, str) and script.find(".") == -1:
# Recursively search `path` for files to freeze, optionally restricted
# to a subdirectory specified by `script`
if script is None:
subdir = ""
else:
subdir = "/" + script
for dirpath, dirnames, filenames in os.walk(path + subdir, followlinks=True):
for f in filenames:
freeze_internal(kind, path, (dirpath + "/" + f)[len(path) + 1 :], opt)
elif not isinstance(script, str):
# `script` is an iterable of items to freeze
for s in script:
freeze_internal(kind, path, s, opt)
else:
# `script` should specify an individual file to be frozen
extension_kind = {KIND_AS_MPY: ".py", KIND_MPY: ".mpy"}
if kind == KIND_AUTO:
for k, ext in extension_kind.items():
if script.endswith(ext):
kind = k
break
else:
print("warn: unsupported file type, skipped freeze: {}".format(script))
return
wanted_extension = extension_kind[kind]
if not script.endswith(wanted_extension):
raise FreezeError("expecting a {} file, got {}".format(wanted_extension, script))
manifest_list.append((kind, path, script, opt))
# Formerly make-frozen.py.
# This generates:
# - MP_FROZEN_STR_NAMES macro
# - mp_frozen_str_sizes
# - mp_frozen_str_content
def generate_frozen_str_content(paths):
def module_name(f):
return f
def generate_frozen_str_content(modules):
output = [
b"#include <stdint.h>\n",
b"#define MP_FROZEN_STR_NAMES \\\n",
]
modules = []
output = [b"#include <stdint.h>\n"]
for path in paths:
root = path.rstrip("/")
root_len = len(root)
for dirpath, dirnames, filenames in os.walk(root):
for f in filenames:
fullpath = dirpath + "/" + f
st = os.stat(fullpath)
modules.append((path, fullpath[root_len + 1 :], st))
output.append(b"#define MP_FROZEN_STR_NAMES \\\n")
for _path, f, st in modules:
m = module_name(f)
output.append(b'"%s\\0" \\\n' % m.encode())
for _, target_path in modules:
print("STR", target_path)
output.append(b'"%s\\0" \\\n' % target_path.encode())
output.append(b"\n")
output.append(b"const uint32_t mp_frozen_str_sizes[] = { ")
for _path, f, st in modules:
for full_path, _ in modules:
st = os.stat(full_path)
output.append(b"%d, " % st.st_size)
output.append(b"0 };\n")
output.append(b"const char mp_frozen_str_content[] = {\n")
for path, f, st in modules:
data = open(path + "/" + f, "rb").read()
for full_path, _ in modules:
with open(full_path, "rb") as f:
data = f.read()
# We need to properly escape the script data to create a C string.
# When C parses hex characters of the form \x00 it keeps parsing the hex
# data until it encounters a non-hex character. Thus one must create
# strings of the form "data\x01" "abc" to properly encode this kind of
# data. We could just encode all characters as hex digits but it's nice
# to be able to read the resulting C code as ASCII when possible.
# We need to properly escape the script data to create a C string.
# When C parses hex characters of the form \x00 it keeps parsing the hex
# data until it encounters a non-hex character. Thus one must create
# strings of the form "data\x01" "abc" to properly encode this kind of
# data. We could just encode all characters as hex digits but it's nice
# to be able to read the resulting C code as ASCII when possible.
data = bytearray(data) # so Python2 extracts each byte as an integer
esc_dict = {ord("\n"): b"\\n", ord("\r"): b"\\r", ord('"'): b'\\"', ord("\\"): b"\\\\"}
output.append(b'"')
break_str = False
for c in data:
try:
output.append(esc_dict[c])
except KeyError:
if 32 <= c <= 126:
if break_str:
output.append(b'" "')
break_str = False
output.append(chr(c).encode())
else:
output.append(b"\\x%02x" % c)
break_str = True
output.append(b'\\0"\n')
data = bytearray(data) # so Python2 extracts each byte as an integer
esc_dict = {ord("\n"): b"\\n", ord("\r"): b"\\r", ord('"'): b'\\"', ord("\\"): b"\\\\"}
output.append(b'"')
break_str = False
for c in data:
try:
output.append(esc_dict[c])
except KeyError:
if 32 <= c <= 126:
if break_str:
output.append(b'" "')
break_str = False
output.append(chr(c).encode())
else:
output.append(b"\\x%02x" % c)
break_str = True
output.append(b'\\0"\n')
output.append(b'"\\0"\n};\n\n')
return b"".join(output)
@ -340,14 +159,13 @@ def main():
print("mpy-cross not found at {}, please build it first".format(MPY_CROSS))
sys.exit(1)
manifest = manifestfile.ManifestFile(manifestfile.MODE_FREEZE, VARS)
# Include top-level inputs, to generate the manifest
for input_manifest in args.files:
try:
if input_manifest.endswith(".py"):
include(input_manifest)
else:
exec(input_manifest)
except FreezeError as er:
manifest.execute(input_manifest)
except manifestfile.ManifestFileError as er:
print('freeze error executing "{}": {}'.format(input_manifest, er.args[0]))
sys.exit(1)
@ -355,22 +173,25 @@ def main():
str_paths = []
mpy_files = []
ts_newest = 0
for kind, path, script, opt in manifest_list:
if kind == KIND_AS_STR:
str_paths.append(path)
ts_outfile = get_timestamp_newest(path)
elif kind == KIND_AS_MPY:
infile = "{}/{}".format(path, script)
outfile = "{}/frozen_mpy/{}.mpy".format(args.build_dir, script[:-3])
ts_infile = get_timestamp(infile)
for full_path, target_path, timestamp, kind, version, opt in manifest.files():
if kind == manifestfile.KIND_FREEZE_AS_STR:
str_paths.append(
(
full_path,
target_path,
)
)
ts_outfile = timestamp
elif kind == manifestfile.KIND_FREEZE_AS_MPY:
outfile = "{}/frozen_mpy/{}.mpy".format(args.build_dir, target_path[:-3])
ts_outfile = get_timestamp(outfile, 0)
if ts_infile >= ts_outfile:
print("MPY", script)
if timestamp >= ts_outfile:
print("MPY", target_path)
mkdir(outfile)
res, out = system(
[MPY_CROSS]
+ args.mpy_cross_flags.split()
+ ["-o", outfile, "-s", script, "-O{}".format(opt), infile]
+ ["-o", outfile, "-s", target_path, "-O{}".format(opt), full_path]
)
if res != 0:
print("error compiling {}:".format(infile))
@ -379,10 +200,9 @@ def main():
ts_outfile = get_timestamp(outfile)
mpy_files.append(outfile)
else:
assert kind == KIND_MPY
infile = "{}/{}".format(path, script)
mpy_files.append(infile)
ts_outfile = get_timestamp(infile)
assert kind == manifestfile.KIND_FREEZE_MPY
mpy_files.append(full_path)
ts_outfile = timestamp
ts_newest = max(ts_newest, ts_outfile)
# Check if output file needs generating

416
tools/manifestfile.py Normal file
View File

@ -0,0 +1,416 @@
#!/usr/bin/env python3
#
# This file is part of the MicroPython project, http://micropython.org/
#
# The MIT License (MIT)
#
# Copyright (c) 2022 Jim Mussared
# Copyright (c) 2019 Damien P. George
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
from __future__ import print_function
import os
import sys
import glob
__all__ = ["ManifestFileError", "ManifestFile"]
# Allow freeze*() etc.
MODE_FREEZE = 1
# Only allow include/require/module/package.
MODE_COMPILE = 2
# In compile mode, .py -> KIND_COMPILE_AS_MPY
# In freeze mode, .py -> KIND_FREEZE_AS_MPY, .mpy->KIND_FREEZE_MPY
KIND_AUTO = 1
# Freeze-mode only, .py -> KIND_FREEZE_AS_MPY, .mpy->KIND_FREEZE_MPY
KIND_FREEZE_AUTO = 2
# Freeze-mode only, The .py file will be frozen as text.
KIND_FREEZE_AS_STR = 3
# Freeze-mode only, The .py file will be compiled and frozen as bytecode.
KIND_FREEZE_AS_MPY = 4
# Freeze-mode only, The .mpy file will be frozen directly.
KIND_FREEZE_MPY = 5
# Compile mode only, the .py file should be compiled to .mpy.
KIND_COMPILE_AS_MPY = 6
# File on the local filesystem.
FILE_TYPE_LOCAL = 1
# URL to file. (TODO)
FILE_TYPE_HTTP = 2
class ManifestFileError(Exception):
pass
# Turns a dict of options into a object with attributes used to turn the
# kwargs passed to include() and require into the "options" global in the
# included manifest.
# options = IncludeOptions(foo="bar", blah="stuff")
# options.foo # "bar"
# options.blah # "stuff"
class IncludeOptions:
def __init__(self, **kwargs):
self._kwargs = kwargs
self._defaults = {}
def defaults(self, **kwargs):
self._defaults = kwargs
def __getattr__(self, name):
return self._kwargs.get(name, self._defaults.get(name, None))
class ManifestFile:
def __init__(self, mode, path_vars=None):
# Either MODE_FREEZE or MODE_COMPILE.
self._mode = mode
# Path substition variables.
self._path_vars = path_vars or {}
# List of files references by this manifest.
# Tuple of (file_type, full_path, target_path, timestamp, kind, version, opt)
self._manifest_files = []
# Don't allow including the same file twice.
self._visited = set()
def _resolve_path(self, path):
# Convert path to an absolute path, applying variable substitutions.
for name, value in self._path_vars.items():
if value is not None:
path = path.replace("$({})".format(name), value)
return os.path.abspath(path)
def _manifest_globals(self, kwargs):
# This is the "API" available to a manifest file.
return {
"metadata": self.metadata,
"include": self.include,
"require": self.require,
"package": self.package,
"module": self.module,
"freeze": self.freeze,
"freeze_as_str": self.freeze_as_str,
"freeze_as_mpy": self.freeze_as_mpy,
"freeze_mpy": self.freeze_mpy,
"options": IncludeOptions(**kwargs),
}
def files(self):
return self._manifest_files
def execute(self, manifest_file):
if manifest_file.endswith(".py"):
# Execute file from filesystem.
self.include(manifest_file)
else:
# Execute manifest code snippet.
try:
exec(manifest_file, self._manifest_globals({}))
except Exception as er:
raise ManifestFileError("Error in manifest: {}".format(er))
def _add_file(self, full_path, target_path, kind=KIND_AUTO, version=None, opt=None):
# Check file exists and get timestamp.
try:
stat = os.stat(full_path)
timestamp = stat.st_mtime
except OSError:
raise ManifestFileError("cannot stat {}".format(full_path))
# Map the AUTO kinds to their actual kind based on mode and extension.
_, ext = os.path.splitext(full_path)
if self._mode == MODE_FREEZE:
if kind in (
KIND_AUTO,
KIND_FREEZE_AUTO,
):
if ext.lower() == ".py":
kind = KIND_FREEZE_AS_MPY
elif ext.lower() == ".mpy":
kind = KIND_FREEZE_MPY
else:
if kind != KIND_AUTO:
raise ManifestFileError("Not in freeze mode")
if ext.lower() != ".py":
raise ManifestFileError("Expected .py file")
kind = KIND_COMPILE_AS_MPY
self._manifest_files.append(
(FILE_TYPE_LOCAL, full_path, target_path, timestamp, kind, version, opt)
)
def _search(self, base_path, package_path, files, exts, kind, opt=None, strict=False):
base_path = self._resolve_path(base_path)
if files:
# Use explicit list of files (relative to package_path).
for file in files:
if package_path:
file = os.path.join(package_path, file)
self._add_file(
os.path.join(base_path, file), file, kind=kind, version=None, opt=opt
)
else:
if base_path:
prev_cwd = os.getcwd()
os.chdir(self._resolve_path(base_path))
# Find all candidate files.
for dirpath, _, filenames in os.walk(package_path or ".", followlinks=True):
for file in filenames:
file = os.path.relpath(os.path.join(dirpath, file), ".")
_, ext = os.path.splitext(file)
if ext.lower() in exts:
self._add_file(
os.path.join(base_path, file),
file,
kind=kind,
version=None,
opt=opt,
)
elif strict:
raise ManifestFileError("Unexpected file type")
if base_path:
os.chdir(prev_cwd)
def metadata(self, description=None, version=None):
# TODO
pass
def include_maybe(self, manifest_path, **kwargs):
"""
Include the manifest file if it exists. See docs for include().
"""
if os.path.exists(manifest_path):
self.include(manifest_path, **kwargs)
def include(self, manifest_path, **kwargs):
"""
Include another manifest.
The manifest argument can be a string (filename) or an iterable of
strings.
Relative paths are resolved with respect to the current manifest file.
Optional kwargs can be provided which will be available to the
included script via the `options` variable.
e.g. include("path.py", extra_features=True)
in path.py:
options.defaults(standard_features=True)
# freeze minimal modules.
if options.standard_features:
# freeze standard modules.
if options.extra_features:
# freeze extra modules.
"""
if not isinstance(manifest_path, str):
for m in manifest_path:
self.include(m)
else:
manifest_path = self._resolve_path(manifest_path)
if manifest_path in self._visited:
return
self._visited.add(manifest_path)
with open(manifest_path) as f:
# Make paths relative to this manifest file while processing it.
# Applies to includes and input files.
prev_cwd = os.getcwd()
os.chdir(os.path.dirname(manifest_path))
try:
exec(f.read(), self._manifest_globals(kwargs))
except Exception as er:
raise ManifestFileError(
"Error in manifest file: {}: {}".format(manifest_path, er)
)
os.chdir(prev_cwd)
def require(self, name, version=None, **kwargs):
"""
Require a module by name from micropython-lib.
This is a shortcut for
"""
if self._path_vars["MPY_LIB_DIR"]:
for manifest_path in glob.glob(
os.path.join(self._path_vars["MPY_LIB_DIR"], "**", name, "manifest.py"),
recursive=True,
):
self.include(manifest_path, **kwargs)
return
raise ValueError("Library not found in local micropython-lib: {}".format(name))
else:
# TODO: HTTP request to obtain URLs from manifest.json.
raise ValueError("micropython-lib not available for require('{}').", name)
def package(self, package_path, files=None, base_path=".", opt=None):
"""
Define a package, optionally restricting to a set of files.
Simple case, a package in the current directory:
package("foo")
will include all .py files in foo, and will be stored as foo/bar/baz.py.
If the package isn't in the current directory, use base_path:
package("foo", base_path="src")
To restrict to certain files in the package use files (note: paths should be relative to the package):
package("foo", files=["bar/baz.py"])
"""
# Include "base_path/package_path/**/*.py" --> "package_path/**/*.py"
self._search(base_path, package_path, files, exts=(".py",), kind=KIND_AUTO, opt=opt)
def module(self, module_path, base_path=".", opt=None):
"""
Include a single Python file as a module.
If the file is in the current directory:
module("foo.py")
Otherwise use base_path to locate the file:
module("foo.py", "src/drivers")
"""
# Include "base_path/module_path" --> "module_path"
base_path = self._resolve_path(base_path)
_, ext = os.path.splitext(module_path)
if ext.lower() != ".py":
raise ManifestFileError("module must be .py file")
# TODO: version None
self._add_file(os.path.join(base_path, module_path), module_path, version=None, opt=opt)
def _freeze_internal(self, path, script, exts, kind, opt):
if script is None:
self._search(path, None, None, exts=exts, kind=kind, opt=opt)
elif isinstance(script, str) and os.path.isdir(os.path.join(path, script)):
self._search(path, script, None, exts=exts, kind=kind, opt=opt)
elif not isinstance(script, str):
self._search(path, None, script, exts=exts, kind=kind, opt=opt)
else:
self._search(path, None, (script,), exts=exts, kind=kind, opt=opt)
def freeze(self, path, script=None, opt=None):
"""
Freeze the input, automatically determining its type. A .py script
will be compiled to a .mpy first then frozen, and a .mpy file will be
frozen directly.
`path` must be a directory, which is the base directory to _search for
files from. When importing the resulting frozen modules, the name of
the module will start after `path`, ie `path` is excluded from the
module name.
If `path` is relative, it is resolved to the current manifest.py.
Use $(MPY_DIR), $(MPY_LIB_DIR), $(PORT_DIR), $(BOARD_DIR) if you need
to access specific paths.
If `script` is None all files in `path` will be frozen.
If `script` is an iterable then freeze() is called on all items of the
iterable (with the same `path` and `opt` passed through).
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)
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(
"--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
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)
for f in m.files():
print(f)
if __name__ == "__main__":
main()