1 |
Add an async_already_fetched method to replace the synchronous |
2 |
already_fetched method, and use it to prevent event loop recursion. |
3 |
|
4 |
Bug: https://bugs.gentoo.org/653810 |
5 |
--- |
6 |
pym/_emerge/EbuildBuild.py | 8 +++++++- |
7 |
pym/_emerge/EbuildFetcher.py | 30 ++++++++++++++++++++++++------ |
8 |
2 files changed, 31 insertions(+), 7 deletions(-) |
9 |
|
10 |
diff --git a/pym/_emerge/EbuildBuild.py b/pym/_emerge/EbuildBuild.py |
11 |
index 9d4afd0ea..21c7f81ce 100644 |
12 |
--- a/pym/_emerge/EbuildBuild.py |
13 |
+++ b/pym/_emerge/EbuildBuild.py |
14 |
@@ -207,8 +207,14 @@ class EbuildBuild(CompositeTask): |
15 |
logfile=self.settings.get('PORTAGE_LOG_FILE'), |
16 |
pkg=self.pkg, scheduler=self.scheduler) |
17 |
|
18 |
+ self._start_task(AsyncTaskFuture( |
19 |
+ future=fetcher.async_already_fetched(self.settings)), |
20 |
+ functools.partial(self._start_fetch, fetcher)) |
21 |
+ |
22 |
+ def _start_fetch(self, fetcher, already_fetched_task): |
23 |
+ self._assert_current(already_fetched_task) |
24 |
try: |
25 |
- already_fetched = fetcher.already_fetched(self.settings) |
26 |
+ already_fetched = already_fetched_task.future.result() |
27 |
except portage.exception.InvalidDependString as e: |
28 |
msg_lines = [] |
29 |
msg = "Fetch failed for '%s' due to invalid SRC_URI: %s" % \ |
30 |
diff --git a/pym/_emerge/EbuildFetcher.py b/pym/_emerge/EbuildFetcher.py |
31 |
index 8f6cc60fe..589eda85d 100644 |
32 |
--- a/pym/_emerge/EbuildFetcher.py |
33 |
+++ b/pym/_emerge/EbuildFetcher.py |
34 |
@@ -28,7 +28,7 @@ class EbuildFetcher(CompositeTask): |
35 |
CompositeTask.__init__(self, **kwargs) |
36 |
self._fetcher_proc = _EbuildFetcherProcess(**kwargs) |
37 |
|
38 |
- def already_fetched(self, settings): |
39 |
+ def async_already_fetched(self, settings): |
40 |
""" |
41 |
Returns True if all files already exist locally and have correct |
42 |
digests, otherwise return False. When returning True, appropriate |
43 |
@@ -38,7 +38,7 @@ class EbuildFetcher(CompositeTask): |
44 |
such messages. This will raise InvalidDependString if SRC_URI is |
45 |
invalid. |
46 |
""" |
47 |
- return self._fetcher_proc.already_fetched(settings) |
48 |
+ return self._fetcher_proc.async_already_fetched(settings) |
49 |
|
50 |
def _start(self): |
51 |
self._start_task( |
52 |
@@ -68,11 +68,29 @@ class _EbuildFetcherProcess(ForkProcess): |
53 |
__slots__ = ("config_pool", "ebuild_path", "fetchonly", "fetchall", |
54 |
"pkg", "prefetch", "_digests", "_manifest", "_settings", "_uri_map") |
55 |
|
56 |
- def already_fetched(self, settings): |
57 |
- uri_map = self.scheduler.run_until_complete(self._async_uri_map()) |
58 |
- if not uri_map: |
59 |
- return True |
60 |
+ def async_already_fetched(self, settings): |
61 |
+ result = self.scheduler.create_future() |
62 |
+ |
63 |
+ def uri_map_done(uri_map_future): |
64 |
+ if uri_map_future.exception() is not None or result.cancelled(): |
65 |
+ if not result.cancelled(): |
66 |
+ result.set_exception(uri_map_future.exception()) |
67 |
+ return |
68 |
+ |
69 |
+ uri_map = uri_map_future.result() |
70 |
+ if uri_map: |
71 |
+ result.set_result( |
72 |
+ self._check_already_fetched(settings, uri_map)) |
73 |
+ else: |
74 |
+ result.set_result(True) |
75 |
+ |
76 |
+ uri_map_future = self._async_uri_map() |
77 |
+ result.add_done_callback(lambda result: |
78 |
+ aux_get_future.cancel() if result.cancelled() else None) |
79 |
+ uri_map_future.add_done_callback(uri_map_done) |
80 |
+ return result |
81 |
|
82 |
+ def _check_already_fetched(self, settings, uri_map): |
83 |
digests = self._get_digests() |
84 |
distdir = settings["DISTDIR"] |
85 |
allow_missing = self._get_manifest().allow_missing |
86 |
-- |
87 |
2.13.6 |