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diff --git a/requirements-swh.txt b/requirements-swh.txt
index 38ea505..44d1ffe 100644
--- a/requirements-swh.txt
+++ b/requirements-swh.txt
@@ -1,5 +1,5 @@
swh.core >= 0.0.7
swh.loader.core >= 0.0.78
-swh.model >= 0.0.60
+swh.model >= 0.3.0
swh.scheduler >= 0.0.39
swh.storage >= 0.0.108
diff --git a/swh/loader/git/converters.py b/swh/loader/git/converters.py
index 0cfb46e..be3abac 100644
--- a/swh/loader/git/converters.py
+++ b/swh/loader/git/converters.py
@@ -1,189 +1,189 @@
# Copyright (C) 2015-2020 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
"""Convert dulwich objects to dictionaries suitable for swh.storage"""
from typing import Any, Dict, Optional
from swh.model.hashutil import DEFAULT_ALGORITHMS, hash_to_bytes, MultiHash
from swh.model.model import (
BaseContent,
Content,
Directory,
DirectoryEntry,
ObjectType,
Person,
Release,
Revision,
RevisionType,
SkippedContent,
TargetType,
Timestamp,
TimestampWithTimezone,
)
HASH_ALGORITHMS = DEFAULT_ALGORITHMS - {"sha1_git"}
def dulwich_blob_to_content_id(blob) -> Dict[str, Any]:
"""Convert a dulwich blob to a Software Heritage content id"""
if blob.type_name != b"blob":
raise ValueError("Argument is not a blob.")
size = blob.raw_length()
data = blob.as_raw_string()
hashes = MultiHash.from_data(data, HASH_ALGORITHMS).digest()
hashes["sha1_git"] = blob.sha().digest()
hashes["length"] = size
return hashes
def dulwich_blob_to_content(blob, max_content_size=None) -> BaseContent:
"""Convert a dulwich blob to a Software Heritage content
"""
if blob.type_name != b"blob":
raise ValueError("Argument is not a blob.")
hashes = dulwich_blob_to_content_id(blob)
if max_content_size is not None and hashes["length"] >= max_content_size:
return SkippedContent(status="absent", reason="Content too large", **hashes,)
else:
return Content(data=blob.as_raw_string(), status="visible", **hashes,)
def dulwich_tree_to_directory(tree, log=None) -> Directory:
"""Format a tree as a directory"""
if tree.type_name != b"tree":
raise ValueError("Argument is not a tree.")
entries = []
entry_mode_map = {
0o040000: "dir",
0o160000: "rev",
0o100644: "file",
0o100755: "file",
0o120000: "file",
}
for entry in tree.iteritems():
entries.append(
DirectoryEntry(
type=entry_mode_map.get(entry.mode, "file"),
perms=entry.mode,
name=entry.path,
target=hash_to_bytes(entry.sha.decode("ascii")),
)
)
- return Directory(id=tree.sha().digest(), entries=entries,)
+ return Directory(id=tree.sha().digest(), entries=tuple(entries),)
def parse_author(name_email: bytes) -> Person:
"""Parse an author line"""
return Person.from_fullname(name_email)
def dulwich_tsinfo_to_timestamp(
timestamp, timezone, timezone_neg_utc
) -> TimestampWithTimezone:
"""Convert the dulwich timestamp information to a structure compatible with
Software Heritage"""
return TimestampWithTimezone(
timestamp=Timestamp(seconds=int(timestamp), microseconds=0,),
offset=timezone // 60,
negative_utc=timezone_neg_utc if timezone == 0 else False,
)
def dulwich_commit_to_revision(commit, log=None) -> Revision:
if commit.type_name != b"commit":
raise ValueError("Argument is not a commit.")
git_metadata = []
if commit.encoding is not None:
git_metadata.append(["encoding", commit.encoding])
if commit.mergetag:
for mergetag in commit.mergetag:
raw_string = mergetag.as_raw_string()
assert raw_string.endswith(b"\n")
git_metadata.append(["mergetag", raw_string[:-1]])
if commit.extra:
git_metadata.extend([k.decode("utf-8"), v] for k, v in commit.extra)
if commit.gpgsig:
git_metadata.append(["gpgsig", commit.gpgsig])
if git_metadata:
metadata: Optional[Dict[str, Any]] = {
"extra_headers": git_metadata,
}
else:
metadata = None
return Revision(
id=commit.sha().digest(),
author=parse_author(commit.author),
date=dulwich_tsinfo_to_timestamp(
commit.author_time, commit.author_timezone, commit._author_timezone_neg_utc,
),
committer=parse_author(commit.committer),
committer_date=dulwich_tsinfo_to_timestamp(
commit.commit_time, commit.commit_timezone, commit._commit_timezone_neg_utc,
),
type=RevisionType.GIT,
directory=bytes.fromhex(commit.tree.decode()),
message=commit.message,
metadata=metadata,
synthetic=False,
- parents=[bytes.fromhex(p.decode()) for p in commit.parents],
+ parents=tuple(bytes.fromhex(p.decode()) for p in commit.parents),
)
DULWICH_TARGET_TYPES = {
b"blob": TargetType.CONTENT,
b"tree": TargetType.DIRECTORY,
b"commit": TargetType.REVISION,
b"tag": TargetType.RELEASE,
}
DULWICH_OBJECT_TYPES = {
b"blob": ObjectType.CONTENT,
b"tree": ObjectType.DIRECTORY,
b"commit": ObjectType.REVISION,
b"tag": ObjectType.RELEASE,
}
def dulwich_tag_to_release(tag, log=None) -> Release:
if tag.type_name != b"tag":
raise ValueError("Argument is not a tag.")
target_type, target = tag.object
if tag.tagger:
author: Optional[Person] = parse_author(tag.tagger)
if not tag.tag_time:
date = None
else:
date = dulwich_tsinfo_to_timestamp(
tag.tag_time, tag.tag_timezone, tag._tag_timezone_neg_utc,
)
else:
author = date = None
return Release(
id=tag.sha().digest(),
author=author,
date=date,
name=tag.name,
target=bytes.fromhex(target.decode()),
target_type=DULWICH_OBJECT_TYPES[target_type.type_name],
message=tag._message,
metadata=None,
synthetic=False,
)
diff --git a/swh/loader/git/tests/test_converters.py b/swh/loader/git/tests/test_converters.py
index 8b71a80..849de2a 100644
--- a/swh/loader/git/tests/test_converters.py
+++ b/swh/loader/git/tests/test_converters.py
@@ -1,319 +1,319 @@
# Copyright (C) 2015-2018 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
import os
import pytest
import shutil
import subprocess
import tempfile
import unittest
import dulwich.repo
from swh.model.hashutil import bytehex_to_hash, hash_to_bytes
from swh.model.model import (
Content,
Person,
Release,
Revision,
RevisionType,
ObjectType,
Timestamp,
TimestampWithTimezone,
)
import swh.loader.git.converters as converters
TEST_DATA = os.path.join(os.path.dirname(__file__), "data")
class SWHObjectType:
"""Dulwich lookalike ObjectType class
"""
def __init__(self, type_name):
self.type_name = type_name
class SWHTag:
"""Dulwich lookalike tag class
"""
def __init__(
self,
name,
type_name,
target,
target_type,
tagger,
tag_time,
tag_timezone,
message,
):
self.name = name
self.type_name = type_name
self.object = SWHObjectType(target_type), target
self.tagger = tagger
self._message = message
self.tag_time = tag_time
self.tag_timezone = tag_timezone
self._tag_timezone_neg_utc = False
def sha(self):
from hashlib import sha1
return sha1()
@pytest.mark.fs
class TestConverters(unittest.TestCase):
@classmethod
def setUpClass(cls):
super().setUpClass()
cls.repo_path = tempfile.mkdtemp()
cls.repo = dulwich.repo.Repo.init_bare(cls.repo_path)
fast_export = os.path.join(
TEST_DATA, "git-repos", "example-submodule.fast-export.xz"
)
xz = subprocess.Popen(
["xzcat"], stdin=open(fast_export, "rb"), stdout=subprocess.PIPE,
)
git = subprocess.Popen(
["git", "fast-import", "--quiet"], stdin=xz.stdout, cwd=cls.repo_path,
)
# flush stdout of xz
xz.stdout.close()
git.communicate()
@classmethod
def tearDownClass(cls):
super().tearDownClass()
shutil.rmtree(cls.repo_path)
def test_blob_to_content(self):
content_id = b"28c6f4023d65f74e3b59a2dea3c4277ed9ee07b0"
content = converters.dulwich_blob_to_content(self.repo[content_id])
expected_content = Content(
sha1_git=bytehex_to_hash(content_id),
sha1=hash_to_bytes("4850a3420a2262ff061cb296fb915430fa92301c"),
sha256=hash_to_bytes(
"fee7c8a485a10321ad94b64135073cb5" "5f22cb9f57fa2417d2adfb09d310adef"
),
blake2s256=hash_to_bytes(
"5d71873f42a137f6d89286e43677721e574" "1fa05ce4cd5e3c7ea7c44d4c2d10b"
),
data=(
b'[submodule "example-dependency"]\n'
b"\tpath = example-dependency\n"
b"\turl = https://github.com/githubtraining/"
b"example-dependency.git\n"
),
length=124,
status="visible",
)
self.assertEqual(content, expected_content)
def test_convertion_wrong_input(self):
class Something:
type_name = b"something-not-the-right-type"
m = {
"blob": converters.dulwich_blob_to_content,
"blob2": converters.dulwich_blob_to_content_id,
"tree": converters.dulwich_tree_to_directory,
"commit": converters.dulwich_tree_to_directory,
"tag": converters.dulwich_tag_to_release,
}
for _callable in m.values():
with self.assertRaises(ValueError):
_callable(Something())
def test_commit_to_revision(self):
sha1 = b"9768d0b576dbaaecd80abedad6dfd0d72f1476da"
revision = converters.dulwich_commit_to_revision(self.repo[sha1])
expected_revision = Revision(
id=hash_to_bytes("9768d0b576dbaaecd80abedad6dfd0d72f1476da"),
directory=b"\xf0i\\./\xa7\xce\x9dW@#\xc3A7a\xa4s\xe5\x00\xca",
type=RevisionType.GIT,
committer=Person(
name=b"Stefano Zacchiroli",
fullname=b"Stefano Zacchiroli <zack@upsilon.cc>",
email=b"zack@upsilon.cc",
),
author=Person(
name=b"Stefano Zacchiroli",
fullname=b"Stefano Zacchiroli <zack@upsilon.cc>",
email=b"zack@upsilon.cc",
),
committer_date=TimestampWithTimezone(
timestamp=Timestamp(seconds=1443083765, microseconds=0,),
negative_utc=False,
offset=120,
),
message=b"add submodule dependency\n",
metadata=None,
date=TimestampWithTimezone(
timestamp=Timestamp(seconds=1443083765, microseconds=0,),
negative_utc=False,
offset=120,
),
- parents=[b"\xc3\xc5\x88q23`\x9f[\xbb\xb2\xd9\xe7\xf3\xfbJf\x0f?r"],
+ parents=(b"\xc3\xc5\x88q23`\x9f[\xbb\xb2\xd9\xe7\xf3\xfbJf\x0f?r",),
synthetic=False,
)
self.assertEqual(revision, expected_revision)
def test_author_line_to_author(self):
# edge case out of the way
with self.assertRaises(TypeError):
converters.parse_author(None)
tests = {
b"a <b@c.com>": Person(
name=b"a", email=b"b@c.com", fullname=b"a <b@c.com>",
),
b"<foo@bar.com>": Person(
name=None, email=b"foo@bar.com", fullname=b"<foo@bar.com>",
),
b"malformed <email": Person(
name=b"malformed", email=b"email", fullname=b"malformed <email"
),
b"trailing <sp@c.e> ": Person(
name=b"trailing", email=b"sp@c.e", fullname=b"trailing <sp@c.e> ",
),
b"no<sp@c.e>": Person(name=b"no", email=b"sp@c.e", fullname=b"no<sp@c.e>",),
b" <>": Person(name=None, email=None, fullname=b" <>",),
b"something": Person(name=b"something", email=None, fullname=b"something"),
}
for author in sorted(tests):
parsed_author = tests[author]
self.assertEqual(parsed_author, converters.parse_author(author))
def test_dulwich_tag_to_release_no_author_no_date(self):
target = b"641fb6e08ddb2e4fd096dcf18e80b894bf"
message = b"some release message"
tag = SWHTag(
name=b"blah",
type_name=b"tag",
target=target,
target_type=b"commit",
message=message,
tagger=None,
tag_time=None,
tag_timezone=None,
)
# when
actual_release = converters.dulwich_tag_to_release(tag)
# then
expected_release = Release(
author=None,
date=None,
id=b"\xda9\xa3\xee^kK\r2U\xbf\xef\x95`\x18\x90\xaf\xd8\x07\t",
message=message,
metadata=None,
name=b"blah",
synthetic=False,
target=hash_to_bytes(target.decode()),
target_type=ObjectType.REVISION,
)
self.assertEqual(actual_release, expected_release)
def test_dulwich_tag_to_release_author_and_date(self):
tagger = b"hey dude <hello@mail.org>"
target = b"641fb6e08ddb2e4fd096dcf18e80b894bf"
message = b"some release message"
import datetime
date = datetime.datetime(2007, 12, 5, tzinfo=datetime.timezone.utc).timestamp()
tag = SWHTag(
name=b"blah",
type_name=b"tag",
target=target,
target_type=b"commit",
message=message,
tagger=tagger,
tag_time=date,
tag_timezone=0,
)
# when
actual_release = converters.dulwich_tag_to_release(tag)
# then
expected_release = Release(
author=Person(
email=b"hello@mail.org",
fullname=b"hey dude <hello@mail.org>",
name=b"hey dude",
),
date=TimestampWithTimezone(
negative_utc=False,
offset=0,
timestamp=Timestamp(seconds=1196812800, microseconds=0,),
),
id=b"\xda9\xa3\xee^kK\r2U\xbf\xef\x95`\x18\x90\xaf\xd8\x07\t",
message=message,
metadata=None,
name=b"blah",
synthetic=False,
target=hash_to_bytes(target.decode()),
target_type=ObjectType.REVISION,
)
self.assertEqual(actual_release, expected_release)
def test_dulwich_tag_to_release_author_no_date(self):
# to reproduce bug T815 (fixed)
tagger = b"hey dude <hello@mail.org>"
target = b"641fb6e08ddb2e4fd096dcf18e80b894bf"
message = b"some release message"
tag = SWHTag(
name=b"blah",
type_name=b"tag",
target=target,
target_type=b"commit",
message=message,
tagger=tagger,
tag_time=None,
tag_timezone=None,
)
# when
actual_release = converters.dulwich_tag_to_release(tag)
# then
expected_release = Release(
author=Person(
email=b"hello@mail.org",
fullname=b"hey dude <hello@mail.org>",
name=b"hey dude",
),
date=None,
id=b"\xda9\xa3\xee^kK\r2U\xbf\xef\x95`\x18\x90\xaf\xd8\x07\t",
message=message,
metadata=None,
name=b"blah",
synthetic=False,
target=hash_to_bytes(target.decode()),
target_type=ObjectType.REVISION,
)
self.assertEqual(actual_release, expected_release)

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