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From a.@apache.org
Subject hadoop git commit: HADOOP-12207. Add support for pylint (Kengo Seki via aw)
Date Wed, 22 Jul 2015 19:55:14 GMT
Repository: hadoop
Updated Branches:
  refs/heads/HADOOP-12111 27a2328c5 -> b8750c685


HADOOP-12207. Add support for pylint (Kengo Seki via aw)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/b8750c68
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/b8750c68
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/b8750c68

Branch: refs/heads/HADOOP-12111
Commit: b8750c6854fae945798eb8530b1804669d863644
Parents: 27a2328
Author: Allen Wittenauer <aw@apache.org>
Authored: Wed Jul 22 12:55:10 2015 -0700
Committer: Allen Wittenauer <aw@apache.org>
Committed: Wed Jul 22 12:55:10 2015 -0700

----------------------------------------------------------------------
 dev-support/test-patch.d/pylint.sh | 186 ++++++++++++++++++++++++++++++++
 1 file changed, 186 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/b8750c68/dev-support/test-patch.d/pylint.sh
----------------------------------------------------------------------
diff --git a/dev-support/test-patch.d/pylint.sh b/dev-support/test-patch.d/pylint.sh
new file mode 100755
index 0000000..8542dad
--- /dev/null
+++ b/dev-support/test-patch.d/pylint.sh
@@ -0,0 +1,186 @@
+#!/usr/bin/env bash
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+add_plugin pylint
+
+PYLINT_TIMER=0
+
+PYLINT=${PYLINT:-$(which pylint 2>/dev/null)}
+
+function pylint_usage
+{
+  echo "Pylint specific:"
+  echo "--pylint=<path> path to pylint executable"
+}
+
+function pylint_parse_args
+{
+  local i
+
+  for i in "$@"; do
+    case ${i} in
+    --pylint=*)
+      PYLINT=${i#*=}
+    ;;
+    esac
+  done
+}
+
+function pylint_filefilter
+{
+  local filename=$1
+
+  if [[ ${filename} =~ \.py$ ]]; then
+    add_test pylint
+  fi
+}
+
+function pylint_preapply
+{
+  local i
+
+  verify_needed_test pylint
+  if [[ $? == 0 ]]; then
+    return 0
+  fi
+
+  big_console_header "pylint plugin: prepatch"
+
+  if [[ ! -x ${PYLINT} ]]; then
+    yetus_error "${PYLINT} does not exist."
+    return 0
+  fi
+
+  start_clock
+
+  echo "Running pylint against modified python scripts."
+  pushd "${BASEDIR}" >/dev/null
+  for i in ${CHANGED_FILES}; do
+    if [[ ${i} =~ \.py$ && -f ${i} ]]; then
+      ${PYLINT} --indent-string="  " --output-format=parseable --reports=n "${i}" 2>/dev/null
|
+      ${AWK} '1<NR' >> "${PATCH_DIR}/branchpylint-result.txt"
+    fi
+  done
+  popd >/dev/null
+  # keep track of how much as elapsed for us already
+  PYLINT_TIMER=$(stop_clock)
+  return 0
+}
+
+function pylint_calcdiffs
+{
+  local orig=$1
+  local new=$2
+  local diffout=$3
+  local tmp=${PATCH_DIR}/pl.$$.${RANDOM}
+  local count=0
+  local j
+
+  # first, pull out just the errors
+  # shellcheck disable=SC2016
+  ${AWK} -F: '{print $NF}' "${orig}" >> "${tmp}.branch"
+
+  # shellcheck disable=SC2016
+  ${AWK} -F: '{print $NF}' "${new}" >> "${tmp}.patch"
+
+  # compare the errors, generating a string of line
+  # numbers. Sorry portability: GNU diff makes this too easy
+  ${DIFF} --unchanged-line-format="" \
+     --old-line-format="" \
+     --new-line-format="%dn " \
+     "${tmp}.branch" \
+     "${tmp}.patch" > "${tmp}.lined"
+
+  # now, pull out those lines of the raw output
+  # shellcheck disable=SC2013
+  for j in $(cat "${tmp}.lined"); do
+    # shellcheck disable=SC2086
+    head -${j} "${new}" | tail -1 >> "${diffout}"
+  done
+
+  if [[ -f "${diffout}" ]]; then
+    # shellcheck disable=SC2016
+    count=$(${AWK} -F: 'BEGIN {sum=0} 2<NF {sum+=1} END {print sum}' "${diffout}")
+  fi
+  rm "${tmp}.branch" "${tmp}.patch" "${tmp}.lined" 2>/dev/null
+  echo "${count}"
+}
+
+function pylint_postapply
+{
+  local i
+  local msg
+  local numPrepatch
+  local numPostpatch
+  local diffPostpatch
+
+  verify_needed_test pylint
+  if [[ $? == 0 ]]; then
+    return 0
+  fi
+
+  big_console_header "pylint plugin: postpatch"
+
+  if [[ ! -x ${PYLINT} ]]; then
+    yetus_error "${PYLINT} is not available."
+    add_vote_table 0 pylint "Pylint was not available."
+    return 0
+  fi
+
+  start_clock
+
+  # add our previous elapsed to our new timer
+  # by setting the clock back
+  offset_clock "${PYLINT_TIMER}"
+
+  echo "Running pylint against modified python scripts."
+  # we re-check this in case one has been added
+  pushd "${BASEDIR}" >/dev/null
+  for i in ${CHANGED_FILES}; do
+    if [[ ${i} =~ \.py$ && -f ${i} ]]; then
+      ${PYLINT} --indent-string="  " --output-format=parseable --reports=n "${i}" 2>/dev/null
|
+      ${AWK} '1<NR' >> "${PATCH_DIR}/patchpylint-result.txt"
+    fi
+  done
+  popd >/dev/null
+
+  # shellcheck disable=SC2016
+  PYLINT_VERSION=$(${PYLINT} --version 2>/dev/null | ${GREP} pylint | ${AWK} '{print $NF}')
+  PYLINT_VERSION=${PYLINT_VERSION%,}
+  msg="v${PYLINT_VERSION}"
+  add_footer_table pylint "${msg}"
+
+  diffPostpatch=$(pylint_calcdiffs \
+    "${PATCH_DIR}/branchpylint-result.txt" \
+    "${PATCH_DIR}/patchpylint-result.txt" \
+    "${PATCH_DIR}/diffpatchpylint.txt")
+
+  if [[ ${diffPostpatch} -gt 0 ]] ; then
+    # shellcheck disable=SC2016
+    numPrepatch=$(${AWK} -F: 'BEGIN {sum=0} 2<NF {sum+=1} END {print sum}' "${PATCH_DIR}/branchpylint-result.txt")
+
+    # shellcheck disable=SC2016
+    numPostpatch=$(${AWK} -F: 'BEGIN {sum=0} 2<NF {sum+=1} END {print sum}' "${PATCH_DIR}/patchpylint-result.txt")
+
+    add_vote_table -1 pylint "The applied patch generated "\
+      "${diffPostpatch} new pylint (v${PYLINT_VERSION}) issues (total was ${numPrepatch},
now ${numPostpatch})."
+    add_footer_table pylint "@@BASE@@/diffpatchpylint.txt"
+    return 1
+  fi
+
+  add_vote_table +1 pylint "There were no new pylint issues."
+  return 0
+}


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