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Commit85f38a1

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remote,#525: pump fetch-infos instead of GIL-read stderr
+ `handle_process_output()` accepts null-finalizer, to pump completelystderr before raising any errors.+ test: Enable `TestGit.test_environment()` on Windows (to checks stderrconsumption).
1 parent8364597 commit85f38a1

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4 files changed

+38
-40
lines changed

4 files changed

+38
-40
lines changed

‎git/cmd.py

Lines changed: 6 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -59,7 +59,8 @@
5959
# Documentation
6060
## @{
6161

62-
defhandle_process_output(process,stdout_handler,stderr_handler,finalizer,decode_streams=True):
62+
defhandle_process_output(process,stdout_handler,stderr_handler,
63+
finalizer=None,decode_streams=True):
6364
"""Registers for notifications to lean that process output is ready to read, and dispatches lines to
6465
the respective line handlers.
6566
This function returns once the finalizer returns
@@ -108,10 +109,13 @@ def pump_stream(cmdline, name, stream, is_decode, handler):
108109
t.start()
109110
threads.append(t)
110111

112+
## FIXME: Why Join?? Will block if `stdin` needs feeding...
113+
#
111114
fortinthreads:
112115
t.join()
113116

114-
returnfinalizer(process)
117+
iffinalizer:
118+
returnfinalizer(process)
115119

116120

117121
defdashify(string):

‎git/remote.py

Lines changed: 10 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -630,25 +630,19 @@ def _get_fetch_info_from_stderr(self, proc, progress):
630630
cmds=set(PushInfo._flag_map.keys())&set(FetchInfo._flag_map.keys())
631631

632632
progress_handler=progress.new_message_handler()
633+
handle_process_output(proc,None,progress_handler,finalizer=None,decode_streams=False)
633634

634-
stderr_text=None
635+
stderr_text=progress.error_linesand'\n'.join(progress.error_lines)or''
636+
proc.wait(stderr=stderr_text)
637+
ifstderr_text:
638+
log.warning("Error lines received while fetching: %s",stderr_text)
635639

636-
forlineinproc.stderr:
640+
forlineinprogress.other_lines:
637641
line=force_text(line)
638-
forplineinprogress_handler(line):
639-
# END handle special messages
640-
forcmdincmds:
641-
iflen(line)>1andline[0]==' 'andline[1]==cmd:
642-
fetch_info_lines.append(line)
643-
continue
644-
# end find command code
645-
# end for each comand code we know
646-
# end for each line progress didn't handle
647-
# end
648-
ifprogress.error_lines():
649-
stderr_text='\n'.join(progress.error_lines())
650-
651-
finalize_process(proc,stderr=stderr_text)
642+
forcmdincmds:
643+
iflen(line)>1andline[0]==' 'andline[1]==cmd:
644+
fetch_info_lines.append(line)
645+
continue
652646

653647
# read head information
654648
withopen(join(self.repo.git_dir,'FETCH_HEAD'),'rb')asfp:

‎git/test/test_git.py

Lines changed: 9 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -207,18 +207,15 @@ def test_environment(self, rw_dir):
207207
rw_repo=Repo.init(os.path.join(rw_dir,'repo'))
208208
remote=rw_repo.create_remote('ssh-origin',"ssh://git@server/foo")
209209

210-
# This only works if we are not evaluating git-push/pull output in a thread !
211-
importselect
212-
ifhasattr(select,'poll'):
213-
withrw_repo.git.custom_environment(GIT_SSH=path):
214-
try:
215-
remote.fetch()
216-
exceptGitCommandErroraserr:
217-
ifsys.version_info[0]<3andis_darwin:
218-
self.assertIn('ssh-orig, 'instr(err))
219-
self.assertEqual(err.status,128)
220-
else:
221-
self.assertIn('FOO',str(err))
210+
withrw_repo.git.custom_environment(GIT_SSH=path):
211+
try:
212+
remote.fetch()
213+
exceptGitCommandErroraserr:
214+
ifsys.version_info[0]<3andis_darwin:
215+
self.assertIn('ssh-orig, 'instr(err))
216+
self.assertEqual(err.status,128)
217+
else:
218+
self.assertIn('FOO',str(err))
222219

223220
deftest_handle_process_output(self):
224221
fromgit.cmdimporthandle_process_output

‎git/util.py

Lines changed: 13 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -199,33 +199,34 @@ class RemoteProgress(object):
199199
DONE_TOKEN='done.'
200200
TOKEN_SEPARATOR=', '
201201

202-
__slots__= ("_cur_line","_seen_ops","_error_lines")
202+
__slots__= ('_cur_line',
203+
'_seen_ops',
204+
'error_lines',# Lines that started with 'error:' or 'fatal:'.
205+
'other_lines')# Lines not denoting progress (i.e.g. push-infos).
203206
re_op_absolute=re.compile(r"(remote: )?([\w\s]+):\s+()(\d+)()(.*)")
204207
re_op_relative=re.compile(r"(remote: )?([\w\s]+):\s+(\d+)% \((\d+)/(\d+)\)(.*)")
205208

206209
def__init__(self):
207210
self._seen_ops=list()
208211
self._cur_line=None
209-
self._error_lines= []
210-
211-
deferror_lines(self):
212-
"""Returns all lines that started with error: or fatal:"""
213-
returnself._error_lines
212+
self.error_lines= []
213+
self.other_lines= []
214214

215215
def_parse_progress_line(self,line):
216216
"""Parse progress information from the given line as retrieved by git-push
217217
or git-fetch.
218218
219-
Lines that seem to contain an error (i.e. start with error: or fatal:) are stored
220-
separately and can be queried using `error_lines()`.
219+
- Lines that do not contain progress info are stored in :attr:`other_lines`.
220+
- Lines that seem to contain an error (i.e. start with error: or fatal:) are stored
221+
in :attr:`error_lines`.
221222
222223
:return: list(line, ...) list of lines that could not be processed"""
223224
# handle
224225
# Counting objects: 4, done.
225226
# Compressing objects: 50% (1/2) \rCompressing objects: 100% (2/2) \rCompressing objects: 100% (2/2), done.
226227
self._cur_line=line
227-
iflen(self._error_lines)>0orself._cur_line.startswith(('error:','fatal:')):
228-
self._error_lines.append(self._cur_line)
228+
iflen(self.error_lines)>0orself._cur_line.startswith(('error:','fatal:')):
229+
self.error_lines.append(self._cur_line)
229230
return []
230231

231232
sub_lines=line.split('\r')
@@ -284,6 +285,7 @@ def _parse_progress_line(self, line):
284285
self.line_dropped(sline)
285286
# Note: Don't add this line to the failed lines, as we have to silently
286287
# drop it
288+
self.other_lines.extend(failed_lines)
287289
returnfailed_lines
288290
# END handle op code
289291

@@ -309,6 +311,7 @@ def _parse_progress_line(self, line):
309311
max_countandfloat(max_count),
310312
message)
311313
# END for each sub line
314+
self.other_lines.extend(failed_lines)
312315
returnfailed_lines
313316

314317
defnew_message_handler(self):

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