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Commit148959c

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apveyor,#519: FIX incomplete Popen pump
+ The code in `_read_lines_from_fno()` was reading the stream only onceper invocation, so when input was larger than `mmap.PAGESIZE`, byteswere forgotten in the stream.+ Also set deamon-threads.
1 parentd12fdca commit148959c

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2 files changed

+17
-5
lines changed

2 files changed

+17
-5
lines changed

‎git/cmd.py

Lines changed: 14 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -69,7 +69,7 @@ def _bchr(c):
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# Documentation
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## @{
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72-
defhandle_process_output(process,stdout_handler,stderr_handler,finalizer):
72+
def9(process,stdout_handler,stderr_handler,finalizer):
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"""Registers for notifications to lean that process output is ready to read, and dispatches lines to
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the respective line handlers. We are able to handle carriage returns in case progress is sent by that
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mean. For performance reasons, we only apply this to stderr.
@@ -193,14 +193,24 @@ def _deplete_buffer(fno, handler, buf_list, wg=None):
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else:
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# Oh ... probably we are on windows. select.select() can only handle sockets, we have files
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# The only reliable way to do this now is to use threads and wait for both to finish
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def_handle_lines(fd,handler,wg):
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forlineinfd:
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line=line.decode(defenc)
199+
iflineandhandler:
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handler(line)
201+
ifwg:
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wg.done()
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# Since the finalizer is expected to wait, we don't have to introduce our own wait primitive
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# NO: It's not enough unfortunately, and we will have to sync the threads
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wg=WaitGroup()
199-
forfno, (handler,buf_list)infdmap.items():
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forfd,handlerinzip((process.stdout,process.stderr),
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(stdout_handler,stderr_handler)):
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wg.add(1)
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t=threading.Thread(target=lambda:_deplete_buffer(fno,handler,buf_list,wg))
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t=threading.Thread(target=_handle_lines,args=(fd,handler,wg))
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t.setDaemon(True)
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t.start()
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# end
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# NOTE: Just joining threads can possibly fail as there is a gap between .start() and when it's
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# actually started, which could make the wait() call to just return because the thread is not yet
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# active

‎git/test/test_git.py

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -238,7 +238,9 @@ def counter_stderr(line):
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stdin=None,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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shell=False)
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shell=False,
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creationflags=Git.CREATE_NO_WINDOWifsys.platform=='win32'else0,
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)
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handle_process_output(proc,counter_stdout,counter_stderr,lambdaproc:proc.wait())
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