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bitbake: perforce: add basic progress handler for perforce

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This patch adds a basic implementation of a progress handler for the
perforce fetcher, based on the number of files to be downloaded and the
output behavior of the p4 print command used in the fetcher
implementation.

(Bitbake rev: f0582292bf79b0988048683dfd086aa3b9787344)

Signed-off-by: Alexandru N. Onea <onea.alex@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Alexandru N. Onea
2020-06-23 12:00:49 +03:00
committed by Richard Purdie
parent 3bd3b51367
commit cb1fbec4d9
1 changed files with 33 additions and 1 deletions
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34
bitbake/lib/bb/fetch2/perforce.py
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@@ -17,6 +17,36 @@ from bb.fetch2 import FetchError
from bb.fetch2 import logger
from bb.fetch2 import runfetchcmd
class PerforceProgressHandler (bb.progress.BasicProgressHandler):
"""
Implements basic progress information for perforce, based on the number of
files to be downloaded.
The p4 print command will print one line per file, therefore it can be used
to "count" the number of files already completed and give an indication of
the progress.
"""
def __init__(self, d, num_files):
self._num_files = num_files
self._count = 0
super(PerforceProgressHandler, self).__init__(d)
# Send an initial progress event so the bar gets shown
self._fire_progress(-1)
def write(self, string):
self._count = self._count + 1
percent = int(100.0 * float(self._count) / float(self._num_files))
# In case something goes wrong, we try to preserve our sanity
if percent > 100:
percent = 100
self.update(percent)
super(PerforceProgressHandler, self).write(string)
class Perforce(FetchMethod):
""" Class to fetch from perforce repositories """
def supports(self, ud, d):
@@ -150,10 +180,12 @@ class Perforce(FetchMethod):
bb.utils.remove(ud.pkgdir, True)
bb.utils.mkdirhier(ud.pkgdir)
progresshandler = PerforceProgressHandler(d, len(filelist))
for afile in filelist:
p4fetchcmd = self._buildp4command(ud, d, 'print', afile)
bb.fetch2.check_network_access(d, p4fetchcmd, ud.url)
runfetchcmd(p4fetchcmd, d, workdir=ud.pkgdir)
runfetchcmd(p4fetchcmd, d, workdir=ud.pkgdir, log=progresshandler)
runfetchcmd('tar -czf %s p4' % (ud.localpath), d, cleanup=[ud.localpath], workdir=ud.pkgdir)