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Print some debug data when talking to win file dialogs in debug mode

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This commit is contained in:
Kovid Goyal 2016-06-02 11:27:26 +05:30
parent 0988ea497b
commit 1ae8d1766c
1 changed files with 7 additions and 1 deletions
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8
src/calibre/gui2/win_file_dialogs.py
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@ -75,7 +75,7 @@ class Helper(Thread):
self.data = data self.data = data
self.daemon = True self.daemon = True
self.rc = 0 self.rc = 0
self.stdoutdata = None self.stdoutdata = self.stderrdata = b''
def run(self): def run(self):
self.stdoutdata, self.stderrdata = self.process.communicate(b''.join(self.data)) self.stdoutdata, self.stderrdata = self.process.communicate(b''.join(self.data))
@ -171,6 +171,10 @@ def run_file_dialog(
return x return x
def get_errors(): def get_errors():
return decode(h.stdoutdata) + ' ' + decode(h.stderrdata) return decode(h.stdoutdata) + ' ' + decode(h.stderrdata)
from calibre import prints
from calibre.constants import DEBUG
if DEBUG:
prints('stdout+stderr from file dialog helper:', type('')([h.stdoutdata, h.stderrdata]))
if h.rc != 0: if h.rc != 0:
raise Exception('File dialog failed: ' + get_errors()) raise Exception('File dialog failed: ' + get_errors())
@ -182,6 +186,8 @@ def run_file_dialog(
if not server.data: if not server.data:
return () return ()
parts = list(filter(None, server.data.split(b'\0'))) parts = list(filter(None, server.data.split(b'\0')))
if DEBUG:
prints('piped data from file dialog helper:', type('')(parts))
if len(parts) < 2: if len(parts) < 2:
return () return ()
if parts[0] != secret: if parts[0] != secret: