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Add option for a brief report of problems only

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This commit is contained in:
Darryl Green 2019-02-21 13:09:26 +00:00
parent c2883a29bc
commit e62f9bbbf1
1 changed files with 54 additions and 17 deletions
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71
scripts/abi_check.py
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@ -9,10 +9,10 @@ Purpose
This script is a small wrapper around the abi-compliance-checker and
abi-dumper tools, applying them to compare the ABI and API of the library
files from two different Git revisions within an Mbed TLS repository.
The results of the comparison are formatted as HTML and stored at
a configurable location. Returns 0 on success, 1 on ABI/API non-compliance,
and 2 if there is an error while running the script.
Note: must be run from Mbed TLS root.
The results of the comparison are either formatted as HTML and stored at
a configurable location, or a brief list of problems found is output.
Returns 0 on success, 1 on ABI/API non-compliance, and 2 if there is an error
while running the script. Note: must be run from Mbed TLS root.
"""
import os
@ -24,12 +24,14 @@ import argparse
import logging
import tempfile
import xml.etree.ElementTree as ET
class AbiChecker(object):
"""API and ABI checker."""
def __init__(self, report_dir, old_repo, old_rev, new_repo, new_rev,
keep_all_reports, skip_file=None):
keep_all_reports, brief, skip_file=None):
"""Instantiate the API/ABI checker.
report_dir: directory for output files
@ -38,6 +40,7 @@ class AbiChecker(object):
new_repo: repository for git revision to check
new_rev: git revision to check
keep_all_reports: if false, delete old reports
brief: if true, output shorter report to stdout
skip_file: path to file containing symbols and types to skip
"""
self.repo_path = "."
@ -51,6 +54,7 @@ class AbiChecker(object):
self.new_repo = new_repo
self.new_rev = new_rev
self.skip_file = skip_file
self.brief = brief
self.mbedtls_modules = ["libmbedcrypto", "libmbedtls", "libmbedx509"]
self.old_dumps = {}
self.new_dumps = {}
@ -198,6 +202,24 @@ class AbiChecker(object):
self.cleanup_worktree(git_worktree_path)
return abi_dumps
def remove_children_with_tag(self, parent, tag):
children = parent.getchildren()
for child in children:
if child.tag == tag:
parent.remove(child)
else:
self.remove_children_with_tag(child, tag)
def remove_extra_detail_from_report(self, report_root):
for tag in ['test_info', 'test_results', 'problem_summary',
'added_symbols', 'removed_symbols', 'affected']:
self.remove_children_with_tag(report_root, tag)
for report in report_root:
for problems in report.getchildren()[:]:
if not problems.getchildren():
report.remove(problems)
def get_abi_compatibility_report(self):
"""Generate a report of the differences between the reference ABI
and the new ABI. ABI dumps from self.old_rev and self.new_rev must
@ -216,31 +238,41 @@ class AbiChecker(object):
"-old", self.old_dumps[mbed_module],
"-new", self.new_dumps[mbed_module],
"-strict",
"-report-path", output_path
"-report-path", output_path,
]
if self.skip_file:
abi_compliance_command += ["-skip-symbols", self.skip_file,
"-skip-types", self.skip_file]
if self.brief:
abi_compliance_command += ["-report-format", "xml",
"-stdout"]
abi_compliance_process = subprocess.Popen(
abi_compliance_command,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT
)
abi_compliance_output, _ = abi_compliance_process.communicate()
self.log.info(abi_compliance_output.decode("utf-8"))
if abi_compliance_process.returncode == 0:
compatibility_report += (
"No compatibility issues for {}\n".format(mbed_module)
)
if not self.keep_all_reports:
if not (self.keep_all_reports or self.brief):
os.remove(output_path)
elif abi_compliance_process.returncode == 1:
compliance_return_code = 1
self.should_keep_report_dir = True
compatibility_report += (
"Compatibility issues found for {}, "
"for details see {}\n".format(mbed_module, output_path)
)
if self.brief:
self.log.info(
"Compatibility issues found for {}".format(mbed_module)
)
report_root = ET.fromstring(abi_compliance_output.decode("utf-8"))
self.remove_extra_detail_from_report(report_root)
self.log.info(ET.tostring(report_root).decode("utf-8"))
else:
compliance_return_code = 1
self.can_remove_report_dir = False
compatibility_report += (
"Compatibility issues found for {}, "
"for details see {}\n".format(mbed_module, output_path)
)
else:
raise Exception(
"abi-compliance-checker failed with a return code of {},"
@ -271,8 +303,9 @@ def run_main():
abi-compliance-checker and abi-dumper tools, applying them
to compare the ABI and API of the library files from two
different Git revisions within an Mbed TLS repository.
The results of the comparison are formatted as HTML and stored
at a configurable location. Returns 0 on success, 1 on ABI/API
The results of the comparison are either formatted as HTML and
stored at a configurable location, or a brief list of problems
found is output. Returns 0 on success, 1 on ABI/API
non-compliance, and 2 if there is an error while running the
script. Note: must be run from Mbed TLS root."""
)
@ -301,6 +334,10 @@ def run_main():
"-s", "--skip-file", type=str,
help="path to file containing symbols and types to skip"
)
parser.add_argument(
"-b", "--brief", action="store_true",
help="output only the list of issues to stdout, instead of a full report",
)
abi_args = parser.parse_args()
if len(abi_args.old_rev) == 1:
old_repo = None
@ -321,7 +358,7 @@ def run_main():
abi_check = AbiChecker(
abi_args.report_dir, old_repo, old_rev,
new_repo, new_rev, abi_args.keep_all_reports,
abi_args.skip_file
abi_args.brief, abi_args.skip_file
)
return_code = abi_check.check_for_abi_changes()
sys.exit(return_code)