10 files changed, 137 insertions, 183 deletions

diff --git a/meta/lib/patchtest/patterns.py b/meta/lib/patchtest/patterns.py
new file mode 100644
index 0000000000..ba97a4ffe9
--- /dev/null
+++ b/meta/lib/patchtest/patterns.py
@@ -0,0 +1,92 @@
+# common pyparsing variables
+#
+# Copyright (C) 2016 Intel Corporation
+#
+# SPDX-License-Identifier: GPL-2.0-only
+
+import pyparsing
+
+# general
+colon = pyparsing.Literal(":")
+line_start = pyparsing.LineStart()
+line_end = pyparsing.LineEnd()
+at = pyparsing.Literal("@")
+lessthan = pyparsing.Literal("<")
+greaterthan = pyparsing.Literal(">")
+opensquare = pyparsing.Literal("[")
+closesquare = pyparsing.Literal("]")
+inappropriate = pyparsing.CaselessLiteral("Inappropriate")
+submitted = pyparsing.CaselessLiteral("Submitted")
+
+# word related
+nestexpr = pyparsing.nestedExpr(opener='[', closer=']')
+inappropriateinfo = pyparsing.Literal("Inappropriate") + nestexpr
+submittedinfo = pyparsing.Literal("Submitted") + nestexpr
+word = pyparsing.Word(pyparsing.alphas)
+worddot = pyparsing.Word(pyparsing.alphas+".")
+
+# metadata
+
+metadata_lic = 'LICENSE'
+invalid_license = 'PATCHTESTINVALID'
+metadata_chksum = 'LIC_FILES_CHKSUM'
+license_var  = 'LICENSE'
+closed   = 'CLOSED'
+lictag_re  = pyparsing.AtLineStart("License-Update:")
+lic_chksum_added = pyparsing.AtLineStart("+" + metadata_chksum)
+lic_chksum_removed = pyparsing.AtLineStart("-" + metadata_chksum)
+add_mark = pyparsing.Regex('\\+ ')
+patch_max_line_length = 200
+metadata_src_uri  = 'SRC_URI'
+metadata_summary = 'SUMMARY'
+cve_check_ignore_var = 'CVE_CHECK_IGNORE'
+cve_status_var = 'CVE_STATUS'
+
+# mbox
+auh_email = 'auh@yoctoproject.org'
+
+invalid_submitters = [pyparsing.Regex("^Upgrade Helper.+"),
+            pyparsing.Regex(auh_email),
+            pyparsing.Regex("uh@not\.set"),
+            pyparsing.Regex("\S+@example\.com")]
+
+mbox_bugzilla = pyparsing.Regex('\[\s?YOCTO.*\]')
+mbox_bugzilla_validation = pyparsing.Regex('\[(\s?YOCTO\s?#\s?(\d+)\s?,?)+\]')
+mbox_revert_shortlog_regex = pyparsing.Regex('Revert\s+".*"')
+mbox_shortlog_maxlength = 90
+
+# patch
+
+cve = pyparsing.Regex("CVE\-\d{4}\-\d+")
+cve_payload_tag = pyparsing.Regex("\+CVE:(\s+CVE\-\d{4}\-\d+)+")
+upstream_status_regex = pyparsing.AtLineStart("+" + "Upstream-Status")
+
+# shortlog
+
+shortlog_target = pyparsing.OneOrMore(pyparsing.Word(pyparsing.printables.replace(':','')))
+shortlog_summary = pyparsing.OneOrMore(pyparsing.Word(pyparsing.printables))
+shortlog = line_start + shortlog_target + colon + shortlog_summary + line_end
+
+# signed-off-bys
+
+email_pattern = pyparsing.Regex(r"(?P<user>[A-Za-z0-9._%+-]+)@(?P<hostname>[A-Za-z0-9.-]+)\.(?P<domain>[A-Za-z]{2,})")
+
+signed_off_by_prefix = pyparsing.Literal("Signed-off-by:")
+signed_off_by_name = pyparsing.Regex('\S+.*(?= <)')
+signed_off_by_email = lessthan + email_pattern + greaterthan
+signed_off_by = pyparsing.AtLineStart(signed_off_by_prefix + signed_off_by_name + signed_off_by_email)
+patch_signed_off_by = pyparsing.AtLineStart("+" + signed_off_by_prefix + signed_off_by_name + signed_off_by_email)
+
+# upstream-status
+
+upstream_status_literal_valid_status = ["Pending", "Backport", "Denied", "Inappropriate", "Submitted"]
+upstream_status_nonliteral_valid_status = ["Pending", "Backport", "Denied", "Inappropriate [reason]", "Submitted [where]"]
+
+upstream_status_valid_status = pyparsing.Or(
+    [pyparsing.Literal(status) for status in upstream_status_literal_valid_status]
+)
+
+upstream_status_prefix = pyparsing.Literal("Upstream-Status")
+upstream_status = line_start + upstream_status_prefix + colon + upstream_status_valid_status
+upstream_status_inappropriate_info = line_start + upstream_status_prefix + colon + inappropriateinfo
+upstream_status_submitted_info = line_start + upstream_status_prefix + colon + submittedinfo
diff --git a/meta/lib/patchtest/tests/pyparsing/common.py b/meta/lib/patchtest/tests/pyparsing/common.py
deleted file mode 100644
index cbce4c38bc..0000000000
--- a/meta/lib/patchtest/tests/pyparsing/common.py
+++ /dev/null
@@ -1,26 +0,0 @@
-# common pyparsing variables
-#
-# Copyright (C) 2016 Intel Corporation
-#
-# SPDX-License-Identifier: GPL-2.0-only
-
-import pyparsing
-
-# general
-colon = pyparsing.Literal(":")
-start = pyparsing.LineStart()
-end   = pyparsing.LineEnd()
-at = pyparsing.Literal("@")
-lessthan = pyparsing.Literal("<")
-greaterthan = pyparsing.Literal(">")
-opensquare = pyparsing.Literal("[")
-closesquare = pyparsing.Literal("]")
-inappropriate = pyparsing.CaselessLiteral("Inappropriate")
-submitted = pyparsing.CaselessLiteral("Submitted")
-
-# word related
-nestexpr = pyparsing.nestedExpr(opener='[', closer=']')
-inappropriateinfo = pyparsing.Literal("Inappropriate") + nestexpr
-submittedinfo = pyparsing.Literal("Submitted") + nestexpr
-word = pyparsing.Word(pyparsing.alphas)
-worddot = pyparsing.Word(pyparsing.alphas+".")
diff --git a/meta/lib/patchtest/tests/pyparsing/parse_cve_tags.py b/meta/lib/patchtest/tests/pyparsing/parse_cve_tags.py
deleted file mode 100644
index f7fb82ec2b..0000000000
--- a/meta/lib/patchtest/tests/pyparsing/parse_cve_tags.py
+++ /dev/null
@@ -1,18 +0,0 @@
-# signed-off-by pyparsing definition
-#
-# Copyright (C) 2016 Intel Corporation
-#
-# SPDX-License-Identifier: GPL-2.0-only
-
-
-import pyparsing
-import common
-
-name = pyparsing.Regex('\S+.*(?= <)')
-username = pyparsing.OneOrMore(common.worddot)
-domain = pyparsing.OneOrMore(common.worddot)
-cve = pyparsing.Regex('CVE\-\d{4}\-\d+')
-cve_mark = pyparsing.Literal("CVE:")
-
-cve_tag = pyparsing.AtLineStart(cve_mark + cve)
-patch_cve_tag = pyparsing.AtLineStart("+" + cve_mark + cve)
diff --git a/meta/lib/patchtest/tests/pyparsing/parse_shortlog.py b/meta/lib/patchtest/tests/pyparsing/parse_shortlog.py
deleted file mode 100644
index 30d3ab35b3..0000000000
--- a/meta/lib/patchtest/tests/pyparsing/parse_shortlog.py
+++ /dev/null
@@ -1,14 +0,0 @@
-# subject pyparsing definition
-#
-# Copyright (C) 2016 Intel Corporation
-#
-# SPDX-License-Identifier: GPL-2.0-only
-
-# NOTE:This is an oversimplified syntax of the mbox's summary
-
-import pyparsing
-import common
-
-target        = pyparsing.OneOrMore(pyparsing.Word(pyparsing.printables.replace(':','')))
-summary       = pyparsing.OneOrMore(pyparsing.Word(pyparsing.printables))
-shortlog       = common.start + target + common.colon + summary + common.end
diff --git a/meta/lib/patchtest/tests/pyparsing/parse_signed_off_by.py b/meta/lib/patchtest/tests/pyparsing/parse_signed_off_by.py
deleted file mode 100644
index 692ebec3ff..0000000000
--- a/meta/lib/patchtest/tests/pyparsing/parse_signed_off_by.py
+++ /dev/null
@@ -1,22 +0,0 @@
-# signed-off-by pyparsing definition
-#
-# Copyright (C) 2016 Intel Corporation
-#
-# SPDX-License-Identifier: GPL-2.0-only
-
-
-import pyparsing
-import common
-
-name = pyparsing.Regex('\S+.*(?= <)')
-username = pyparsing.OneOrMore(common.worddot)
-domain = pyparsing.OneOrMore(common.worddot)
-
-# taken from https://pyparsing-public.wikispaces.com/Helpful+Expressions
-email = pyparsing.Regex(r"(?P<user>[A-Za-z0-9._%+-]+)@(?P<hostname>[A-Za-z0-9.-]+)\.(?P<domain>[A-Za-z]{2,})")
-
-email_enclosed = common.lessthan + email + common.greaterthan
-
-signed_off_by_mark = pyparsing.Literal("Signed-off-by:")
-signed_off_by = pyparsing.AtLineStart(signed_off_by_mark + name + email_enclosed)
-patch_signed_off_by = pyparsing.AtLineStart("+" + signed_off_by_mark + name + email_enclosed)
diff --git a/meta/lib/patchtest/tests/pyparsing/parse_upstream_status.py b/meta/lib/patchtest/tests/pyparsing/parse_upstream_status.py
deleted file mode 100644
index bc6c427c4c..0000000000
--- a/meta/lib/patchtest/tests/pyparsing/parse_upstream_status.py
+++ /dev/null
@@ -1,24 +0,0 @@
-# upstream-status pyparsing definition
-#
-# Copyright (C) 2016 Intel Corporation
-#
-# SPDX-License-Identifier: GPL-2.0-only
-
-
-import common
-import pyparsing
-
-upstream_status_literal_valid_status = ["Pending", "Backport", "Denied", "Inappropriate", "Submitted"]
-upstream_status_nonliteral_valid_status = ["Pending", "Backport", "Denied", "Inappropriate [reason]", "Submitted [where]"]
-
-upstream_status_valid_status = pyparsing.Or(
-    [pyparsing.Literal(status) for status in upstream_status_literal_valid_status]
-)
-
-upstream_status_mark         = pyparsing.Literal("Upstream-Status")
-inappropriate_status_mark    = common.inappropriate
-submitted_status_mark        = common.submitted
-
-upstream_status              = common.start + upstream_status_mark + common.colon + upstream_status_valid_status
-upstream_status_inappropriate_info = common.start + upstream_status_mark + common.colon + common.inappropriateinfo
-upstream_status_submitted_info = common.start + upstream_status_mark + common.colon + common.submittedinfo
diff --git a/meta/lib/patchtest/tests/test_mbox.py b/meta/lib/patchtest/tests/test_mbox.py
index cd76e58a71..e6b8ad21f8 100644
--- a/meta/lib/patchtest/tests/test_mbox.py
+++ b/meta/lib/patchtest/tests/test_mbox.py
@@ -6,8 +6,7 @@
 
 import base
 import collections
-import parse_shortlog
-import parse_signed_off_by
+import patterns
 import pyparsing
 import re
 import subprocess
@@ -23,19 +22,6 @@ def headlog():
 
 class TestMbox(base.Base):
 
-    auh_email = 'auh@yoctoproject.org'
-
-    invalids = [pyparsing.Regex("^Upgrade Helper.+"),
-                pyparsing.Regex(auh_email),
-                pyparsing.Regex("uh@not\.set"),
-                pyparsing.Regex("\S+@example\.com")]
-
-    rexp_detect = pyparsing.Regex('\[\s?YOCTO.*\]')
-    rexp_validation = pyparsing.Regex('\[(\s?YOCTO\s?#\s?(\d+)\s?,?)+\]')
-    signoff_prog = parse_signed_off_by.signed_off_by
-    revert_shortlog_regex = pyparsing.Regex('Revert\s+".*"')
-    maxlength = 90
-
     # base paths of main yocto project sub-projects
     paths = {
         'oe-core': ['meta-selftest', 'meta-skeleton', 'meta', 'scripts'],
@@ -59,9 +45,9 @@ class TestMbox(base.Base):
     def test_signed_off_by_presence(self):
         for commit in TestMbox.commits:
             # skip those patches that revert older commits, these do not required the tag presence
-            if self.revert_shortlog_regex.search_string(commit.shortlog):
+            if patterns.mbox_revert_shortlog_regex.search_string(commit.shortlog):
                 continue
-            if not self.signoff_prog.search_string(commit.payload):
+            if not patterns.signed_off_by.search_string(commit.payload):
                 self.fail('Mbox is missing Signed-off-by. Add it manually or with "git commit --amend -s"',
                           commit=commit)
 
@@ -75,7 +61,7 @@ class TestMbox(base.Base):
                 if shortlog.startswith('Revert "'):
                     continue
                 try:
-                    parse_shortlog.shortlog.parseString(shortlog)
+                    patterns.shortlog.parseString(shortlog)
                 except pyparsing.ParseException as pe:
                     self.fail('Commit shortlog (first line of commit message) should follow the format "<target>: <summary>"',
                               commit=commit)
@@ -87,8 +73,8 @@ class TestMbox(base.Base):
             if shortlog.startswith('Revert "'):
                 continue
             l = len(shortlog)
-            if l > self.maxlength:
-                self.fail('Edit shortlog so that it is %d characters or less (currently %d characters)' % (self.maxlength, l),
+            if l > patterns.mbox_shortlog_maxlength:
+                self.fail('Edit shortlog so that it is %d characters or less (currently %d characters)' % (patterns.mbox_shortlog_maxlength, l),
                           commit=commit)
 
     def test_series_merge_on_head(self):
@@ -142,18 +128,18 @@ class TestMbox(base.Base):
 
     def test_bugzilla_entry_format(self):
         for commit in TestMbox.commits:
-            if not self.rexp_detect.search_string(commit.commit_message):
+            if not patterns.mbox_bugzilla.search_string(commit.commit_message):
                 self.skip("No bug ID found")
-            elif not self.rexp_validation.search_string(commit.commit_message):
+            elif not patterns.mbox_bugzilla_validation.search_string(commit.commit_message):
                 self.fail('Bugzilla issue ID is not correctly formatted - specify it with format: "[YOCTO #<bugzilla ID>]"', commit=commit)
 
     def test_author_valid(self):
         for commit in self.commits:
-            for invalid in self.invalids:
+            for invalid in patterns.invalid_submitters:
                 if invalid.search_string(commit.author):
                     self.fail('Invalid author %s. Resend the series with a valid patch author' % commit.author, commit=commit)
 
     def test_non_auh_upgrade(self):
         for commit in self.commits:
-            if self.auh_email in commit.commit_message:
-                self.fail('Invalid author %s. Resend the series with a valid patch author' % self.auh_email, commit=commit)
+            if patterns.auh_email in commit.commit_message:
+                self.fail('Invalid author %s. Resend the series with a valid patch author' % patterns.auh_email, commit=commit)
diff --git a/meta/lib/patchtest/tests/test_metadata.py b/meta/lib/patchtest/tests/test_metadata.py
index f5dbcf01ed..8c2305a184 100644
--- a/meta/lib/patchtest/tests/test_metadata.py
+++ b/meta/lib/patchtest/tests/test_metadata.py
@@ -6,27 +6,11 @@
 
 import base
 import os
+import patterns
 import pyparsing
 from data import PatchTestInput, PatchTestDataStore
 
 class TestMetadata(base.Metadata):
-    metadata_lic = 'LICENSE'
-    invalid_license = 'PATCHTESTINVALID'
-    metadata_chksum = 'LIC_FILES_CHKSUM'
-    license_var  = 'LICENSE'
-    closed   = 'CLOSED'
-    lictag_re  = pyparsing.AtLineStart("License-Update:")
-    lic_chksum_added = pyparsing.AtLineStart("+" + metadata_chksum)
-    lic_chksum_removed = pyparsing.AtLineStart("-" + metadata_chksum)
-    add_mark = pyparsing.Regex('\\+ ')
-    max_length = 200
-    metadata_src_uri  = 'SRC_URI'
-    md5sum    = 'md5sum'
-    sha256sum = 'sha256sum'
-    git_regex = pyparsing.Regex('^git\\:\\/\\/.*')
-    metadata_summary = 'SUMMARY'
-    cve_check_ignore_var = 'CVE_CHECK_IGNORE'
-    cve_status_var = 'CVE_STATUS'
 
     def test_license_presence(self):
         if not self.added:
@@ -41,13 +25,13 @@ class TestMetadata(base.Metadata):
             open_flag = 'a'
         with open(auto_conf, open_flag) as fd:
             for pn in self.added:
-                fd.write('LICENSE ??= "%s"\n' % self.invalid_license)
+                fd.write('LICENSE ??= "%s"\n' % patterns.invalid_license)
 
         no_license = False
         for pn in self.added:
             rd = self.tinfoil.parse_recipe(pn)
-            license = rd.getVar(self.metadata_lic)
-            if license == self.invalid_license:
+            license = rd.getVar(patterns.metadata_lic)
+            if license == patterns.invalid_license:
                 no_license = True
                 break
 
@@ -74,11 +58,11 @@ class TestMetadata(base.Metadata):
             # we are not interested in images
             if '/images/' in pathname:
                 continue
-            lic_files_chksum = rd.getVar(self.metadata_chksum)
-            if rd.getVar(self.license_var) == self.closed:
+            lic_files_chksum = rd.getVar(patterns.metadata_chksum)
+            if rd.getVar(patterns.license_var) == patterns.closed:
                 continue
             if not lic_files_chksum:
-                self.fail('%s is missing in newly added recipe' % self.metadata_chksum)
+                self.fail('%s is missing in newly added recipe' % patterns.metadata_chksum)
 
     def test_lic_files_chksum_modified_not_mentioned(self):
         if not self.modified:
@@ -89,10 +73,10 @@ class TestMetadata(base.Metadata):
             if patch.path.endswith('.patch'):
                 continue
             payload = str(patch)
-            if (self.lic_chksum_added.search_string(payload) or self.lic_chksum_removed.search_string(payload)):
+            if (patterns.lic_chksum_added.search_string(payload) or patterns.lic_chksum_removed.search_string(payload)):
                 # if any patch on the series contain reference on the metadata, fail
                 for commit in self.commits:
-                    if self.lictag_re.search_string(commit.commit_message):
+                    if patterns.lictag_re.search_string(commit.commit_message):
                        break
                 else:
                     self.fail('LIC_FILES_CHKSUM changed without "License-Update:" tag and description in commit message')
@@ -104,10 +88,10 @@ class TestMetadata(base.Metadata):
                 continue
             payload = str(patch)
             for line in payload.splitlines():
-                if self.add_mark.search_string(line):
+                if patterns.add_mark.search_string(line):
                     current_line_length = len(line[1:])
-                    if current_line_length > self.max_length:
-                        self.fail('Patch line too long (current length %s, maximum is %s)' % (current_line_length, self.max_length),
+                    if current_line_length > patterns.patch_max_line_length:
+                        self.fail('Patch line too long (current length %s, maximum is %s)' % (current_line_length, patterns.patch_max_line_length),
                                   data=[('Patch', patch.path), ('Line', '%s ...' % line[0:80])])
 
     def pretest_src_uri_left_files(self):
@@ -123,7 +107,7 @@ class TestMetadata(base.Metadata):
             if 'core-image' in pn:
                 continue
             rd = self.tinfoil.parse_recipe(pn)
-            PatchTestDataStore['%s-%s-%s' % (self.shortid(), self.metadata_src_uri, pn)] = rd.getVar(self.metadata_src_uri)
+            PatchTestDataStore['%s-%s-%s' % (self.shortid(), patterns.metadata_src_uri, pn)] = rd.getVar(patterns.metadata_src_uri)
 
     def test_src_uri_left_files(self):
         # these tests just make sense on patches that can be merged
@@ -138,11 +122,11 @@ class TestMetadata(base.Metadata):
             if 'core-image' in pn:
                 continue
             rd = self.tinfoil.parse_recipe(pn)
-            PatchTestDataStore['%s-%s-%s' % (self.shortid(), self.metadata_src_uri, pn)] = rd.getVar(self.metadata_src_uri)
+            PatchTestDataStore['%s-%s-%s' % (self.shortid(), patterns.metadata_src_uri, pn)] = rd.getVar(patterns.metadata_src_uri)
 
         for pn in self.modified:
-            pretest_src_uri = PatchTestDataStore['pre%s-%s-%s' % (self.shortid(), self.metadata_src_uri, pn)].split()
-            test_src_uri    = PatchTestDataStore['%s-%s-%s' % (self.shortid(), self.metadata_src_uri, pn)].split()
+            pretest_src_uri = PatchTestDataStore['pre%s-%s-%s' % (self.shortid(), patterns.metadata_src_uri, pn)].split()
+            test_src_uri    = PatchTestDataStore['%s-%s-%s' % (self.shortid(), patterns.metadata_src_uri, pn)].split()
 
             pretest_files = set([os.path.basename(patch) for patch in pretest_src_uri if patch.startswith('file://')])
             test_files    = set([os.path.basename(patch) for patch in test_src_uri    if patch.startswith('file://')])
@@ -175,11 +159,11 @@ class TestMetadata(base.Metadata):
             if 'core-image' in pn:
                 continue
             rd = self.tinfoil.parse_recipe(pn)
-            summary = rd.getVar(self.metadata_summary)
+            summary = rd.getVar(patterns.metadata_summary)
 
             # "${PN} version ${PN}-${PR}" is the default, so fail if default
             if summary.startswith('%s version' % pn):
-                self.fail('%s is missing in newly added recipe' % self.metadata_summary)
+                self.fail('%s is missing in newly added recipe' % patterns.metadata_summary)
 
     def test_cve_check_ignore(self):
         # Skip if we neither modified a recipe or target branches are not
@@ -191,7 +175,7 @@ class TestMetadata(base.Metadata):
             if 'core-image' in pn:
                 continue
             rd = self.tinfoil.parse_recipe(pn)
-            cve_check_ignore = rd.getVar(self.cve_check_ignore_var)
+            cve_check_ignore = rd.getVar(patterns.cve_check_ignore_var)
 
             if cve_check_ignore is not None:
-                self.fail('%s is deprecated and should be replaced by %s' % (self.cve_check_ignore_var, self.cve_status_var))
+                self.fail('%s is deprecated and should be replaced by %s' % (patterns.cve_check_ignore_var, patterns.cve_status_var))
diff --git a/meta/lib/patchtest/tests/test_patch.py b/meta/lib/patchtest/tests/test_patch.py
index d7187a0cb1..d856b216f0 100644
--- a/meta/lib/patchtest/tests/test_patch.py
+++ b/meta/lib/patchtest/tests/test_patch.py
@@ -7,16 +7,11 @@
 
 import base
 import os
-import parse_signed_off_by
-import parse_upstream_status
+import patterns
 import pyparsing
 
 class TestPatch(base.Base):
 
-    re_cve_pattern = pyparsing.Regex("CVE\-\d{4}\-\d+")
-    re_cve_payload_tag = pyparsing.Regex("\+CVE:(\s+CVE\-\d{4}\-\d+)+")
-    upstream_status_regex = pyparsing.AtLineStart("+" + "Upstream-Status")
-
     @classmethod
     def setUpClassLocal(cls):
         cls.newpatches = []
@@ -25,16 +20,16 @@ class TestPatch(base.Base):
             if patch.path.endswith('.patch') and patch.is_added_file:
                 cls.newpatches.append(patch)
 
-        cls.mark = str(parse_signed_off_by.signed_off_by_mark).strip('"')
+        cls.mark = str(patterns.signed_off_by_prefix).strip('"')
 
         # match PatchSignedOffBy.mark with '+' preceding it
-        cls.prog = parse_signed_off_by.patch_signed_off_by
+        cls.prog = patterns.patch_signed_off_by
 
     def setUp(self):
         if self.unidiff_parse_error:
             self.skip('Parse error %s' % self.unidiff_parse_error)
 
-        self.valid_status    = ', '.join(parse_upstream_status.upstream_status_nonliteral_valid_status)
+        self.valid_status    = ', '.join(patterns.upstream_status_nonliteral_valid_status)
         self.standard_format = 'Upstream-Status: <Valid status>'
 
         # we are just interested in series that introduce CVE patches, thus discard other
@@ -50,28 +45,28 @@ class TestPatch(base.Base):
 
         for newpatch in TestPatch.newpatches:
             payload = newpatch.__str__()
-            if not self.upstream_status_regex.search_string(payload):
+            if not patterns.upstream_status_regex.search_string(payload):
                 self.fail('Added patch file is missing Upstream-Status: <Valid status> in the commit message',
                           data=[('Standard format', self.standard_format), ('Valid status', self.valid_status)])
             for line in payload.splitlines():
                 if self.patchmetadata_regex.match(line):
                     continue
-                if self.upstream_status_regex.search_string(line):
-                        if parse_upstream_status.inappropriate_status_mark.searchString(line):
+                if patterns.upstream_status_regex.search_string(line):
+                        if patterns.inappropriate.searchString(line):
                             try:
-                                parse_upstream_status.upstream_status_inappropriate_info.parseString(line.lstrip('+'))
+                                patterns.upstream_status_inappropriate_info.parseString(line.lstrip('+'))
                             except pyparsing.ParseException as pe:
                                 self.fail('Upstream-Status is Inappropriate, but no reason was provided',
                                           data=[('Current', pe.pstr), ('Standard format', 'Upstream-Status: Inappropriate [reason]')])
-                        elif parse_upstream_status.submitted_status_mark.searchString(line):
+                        elif patterns.submitted.searchString(line):
                             try:
-                                parse_upstream_status.upstream_status_submitted_info.parseString(line.lstrip('+'))
+                                patterns.upstream_status_submitted_info.parseString(line.lstrip('+'))
                             except pyparsing.ParseException as pe:
                                 self.fail('Upstream-Status is Submitted, but it is not mentioned where',
                                           data=[('Current', pe.pstr), ('Standard format', 'Upstream-Status: Submitted [where]')])
                         else:
                             try:
-                                parse_upstream_status.upstream_status.parseString(line.lstrip('+'))
+                                patterns.upstream_status.parseString(line.lstrip('+'))
                             except pyparsing.ParseException as pe:
                                 self.fail('Upstream-Status is in incorrect format',
                                           data=[('Current', pe.pstr), ('Standard format', self.standard_format), ('Valid status', self.valid_status)])
@@ -92,10 +87,10 @@ class TestPatch(base.Base):
 
     def test_cve_tag_format(self):
         for commit in TestPatch.commits:
-            if self.re_cve_pattern.search_string(commit.shortlog) or self.re_cve_pattern.search_string(commit.commit_message):
+            if patterns.cve.search_string(commit.shortlog) or patterns.cve.search_string(commit.commit_message):
                 tag_found = False
                 for line in commit.payload.splitlines():
-                    if self.re_cve_payload_tag.search_string(line):
+                    if patterns.cve_payload_tag.search_string(line):
                         tag_found = True
                         break
                 if not tag_found:
diff --git a/meta/lib/patchtest/tests/test_python_pylint.py b/meta/lib/patchtest/tests/test_python_pylint.py
index ef315e591c..b03fd6f4f6 100644
--- a/meta/lib/patchtest/tests/test_python_pylint.py
+++ b/meta/lib/patchtest/tests/test_python_pylint.py
@@ -5,6 +5,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
 import base
+import patterns
 from io import StringIO
 from data import PatchTestInput
 from pylint.reporters.text import TextReporter