* [gentoo-portage-dev] [PATCH v2 1/3] pym/portage/package/ebuild/fetch.py: Factor out _get_checksum_failure_max_tries
@ 2014-01-19 22:14 99% ` W. Trevor King
0 siblings, 0 replies; 1+ results
From: W. Trevor King @ 2014-01-19 22:14 UTC (permalink / raw
To: gentoo-portage-dev
Cc: W. Trevor King, Zac Medico, Arfrever Frehtes Taifersar Arahesis
The current fetch() function is quite long, which makes it hard to
know what I can change without adverse side effects. By pulling this
logic out of the main function, we get clearer logic in fetch() and
more explicit input for the config extraction.
---
pym/portage/package/ebuild/fetch.py | 59 +++++++++++++++++++++----------------
1 file changed, 34 insertions(+), 25 deletions(-)
diff --git a/pym/portage/package/ebuild/fetch.py b/pym/portage/package/ebuild/fetch.py
index 5316f03..6f46572 100644
--- a/pym/portage/package/ebuild/fetch.py
+++ b/pym/portage/package/ebuild/fetch.py
@@ -240,6 +240,38 @@ _size_suffix_map = {
'Y' : 80,
}
+
+def _get_checksum_failure_max_tries(settings, default=5):
+ """
+ Get the maximum number of failed download attempts
+
+ Generally, downloading the same file repeatedly from
+ every single available mirror is a waste of bandwidth
+ and time, so there needs to be a cap.
+ """
+ v = default
+ try:
+ v = int(settings.get("PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS",
+ default))
+ except (ValueError, OverflowError):
+ writemsg(_("!!! Variable PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS"
+ " contains non-integer value: '%s'\n") % \
+ settings["PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS"],
+ noiselevel=-1)
+ writemsg(_("!!! Using PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS "
+ "default value: %s\n") % default,
+ noiselevel=-1)
+ v = default
+ if v < 1:
+ writemsg(_("!!! Variable PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS"
+ " contains value less than 1: '%s'\n") % v, noiselevel=-1)
+ writemsg(_("!!! Using PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS "
+ "default value: %s\n") % default,
+ noiselevel=-1)
+ v = default
+ return v
+
+
def fetch(myuris, mysettings, listonly=0, fetchonly=0,
locks_in_subdir=".locks", use_locks=1, try_mirrors=1, digests=None,
allow_missing_digests=True):
@@ -263,31 +295,8 @@ def fetch(myuris, mysettings, listonly=0, fetchonly=0,
print(_(">>> \"mirror\" mode desired and \"mirror\" restriction found; skipping fetch."))
return 1
- # Generally, downloading the same file repeatedly from
- # every single available mirror is a waste of bandwidth
- # and time, so there needs to be a cap.
- checksum_failure_max_tries = 5
- v = checksum_failure_max_tries
- try:
- v = int(mysettings.get("PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS",
- checksum_failure_max_tries))
- except (ValueError, OverflowError):
- writemsg(_("!!! Variable PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS"
- " contains non-integer value: '%s'\n") % \
- mysettings["PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS"], noiselevel=-1)
- writemsg(_("!!! Using PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS "
- "default value: %s\n") % checksum_failure_max_tries,
- noiselevel=-1)
- v = checksum_failure_max_tries
- if v < 1:
- writemsg(_("!!! Variable PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS"
- " contains value less than 1: '%s'\n") % v, noiselevel=-1)
- writemsg(_("!!! Using PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS "
- "default value: %s\n") % checksum_failure_max_tries,
- noiselevel=-1)
- v = checksum_failure_max_tries
- checksum_failure_max_tries = v
- del v
+ checksum_failure_max_tries = _get_checksum_failure_max_tries(
+ settings=mysettings)
fetch_resume_size_default = "350K"
fetch_resume_size = mysettings.get("PORTAGE_FETCH_RESUME_MIN_SIZE")
--
1.8.5.2.8.g0f6c0d1
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2014-01-19 20:58 [gentoo-portage-dev] [PATCH 0/3] Initial fetch() refactoring W. Trevor King
2014-01-19 22:14 ` [gentoo-portage-dev] [PATCH v2 " W. Trevor King
2014-01-19 22:14 99% ` [gentoo-portage-dev] [PATCH v2 1/3] pym/portage/package/ebuild/fetch.py: Factor out _get_checksum_failure_max_tries W. Trevor King
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