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generate_testdata_from_disk.py
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generate_testdata_from_disk.py
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# Copyright (C) 2017 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU General Public License version 3, or any later version
# See top-level LICENSE file for more information
from operator import itemgetter
import os
import sys
from swh.model.from_disk import DentryPerms, Directory
from swh.model.hashutil import ALGORITHMS, hash_to_hex
def generate_from_directory(varname, directory, indent=0):
"""Generate test data from a given directory"""
def get_data(member, path):
yield (path, member.get_data())
if isinstance(member, Directory):
for name, child in member.items():
yield from get_data(child, os.path.join(path, name))
data = dict(get_data(directory, b""))
out = []
def format_hash(h, indent=0):
spindent = " " * indent
if len(h) > 20:
cutoff = len(h) // 2
parts = h[:cutoff], h[cutoff:]
else:
parts = [h]
out.append("hash_to_bytes(\n")
for part in parts:
out.append(spindent + " %s\n" % repr(hash_to_hex(part)))
out.append(spindent + ")")
def format_dict_items(d, indent=0):
spindent = " " * indent
for key, value in sorted(d.items()):
if isinstance(key, bytes):
out.append(spindent + repr(key) + ": {\n")
format_dict_items(value, indent=indent + 4)
out.append(spindent + "}")
else:
out.append(spindent + repr(key) + ": ")
if key == "entries":
if not value:
out.append("[]")
else:
out.append("[")
last_index = len(value) - 1
for i, entry in enumerate(
sorted(value, key=itemgetter("name"))
):
if i:
out.append(" ")
out.append("{\n")
format_dict_items(entry, indent=indent + 4)
if i != last_index:
out.append(spindent + "},")
out.append(spindent + "}]")
elif key in ALGORITHMS | {"id", "target"}:
format_hash(value, indent=indent)
elif isinstance(value, DentryPerms):
out.append(str(value))
else:
out.append(repr(value))
out.append(",\n")
spindent = " " * indent
out.append(spindent + "%s = {\n" % varname)
format_dict_items(data, indent=4 + indent)
out.append(spindent + "}")
return "".join(out)
if __name__ == "__main__":
if not sys.argv[1:]:
print("Usage: %s dir1 dir2" % sys.argv[0], file=sys.stderr)
exit(2)
for dirname in sys.argv[1:]:
basename = os.path.basename(dirname)
varname = "expected_%s" % basename
testdata = generate_from_directory(
varname, Directory.from_disk(path=os.fsencode(dirname)), indent=8
)
print(testdata)
print()

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