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import json
import os
import ymake
from _common import strip_roots, resolve_common_const
PLACEHOLDER_EXT = "external"
def onlarge_files(unit, *args):
"""
@usage LARGE_FILES([AUTOUPDATED] Files...)
Use large file ether from working copy or from remote storage via placeholder <File>.external
If <File> is present locally (and not a symlink!) it will be copied to build directory.
Otherwise macro will try to locate <File>.external, parse it retrieve ot during build phase.
"""
args = list(args)
if args and args[0] == 'AUTOUPDATED':
args = args[1:]
for arg in args:
if arg == 'AUTOUPDATED':
unit.message(["warn", "Please set AUTOUPDATED argument before other file names"])
continue
src = unit.resolve_arc_path(arg)
if src.startswith("$S"):
msg = "Used local large file {}. Don't forget to run 'ya upload --update-external' and commit {}.{}".format(
src, src, PLACEHOLDER_EXT
)
unit.message(["warn", msg])
unit.oncopy_file([arg, arg])
else:
external = "{}.{}".format(arg, PLACEHOLDER_EXT)
rel_placeholder = resolve_common_const(unit.resolve_arc_path(external))
if not rel_placeholder.startswith("$S"):
ymake.report_configure_error('LARGE_FILES: neither actual data nor placeholder is found for "{}"'.format(arg))
return
try:
abs_placeholder = unit.resolve(rel_placeholder)
with open(abs_placeholder, "r") as f:
res_desc = json.load(f)
storage = res_desc["storage"]
res_id = res_desc["resource_id"]
except e:
ymake.report_configure_error('LARGE_FILES: error processing placeholder file "{}.": {}'.format(external, e))
return
from_cmd = ['FILE', '{}'.format(res_id), 'OUT_NOAUTO', arg, 'EXTERNAL_FILE', external]
if os.path.dirname(arg):
from_cmd.extend(("RENAME", os.path.basename(arg)))
method = getattr(unit, 'onfrom_{}'.format(storage.lower()), None)
if method:
method(from_cmd)
else:
ymake.report_configure_error('LARGE_FILES: error processing placeholder file "{}.": unknown storage kind "{}"'.format(external, storage))
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