tdf#158803 Fix issues detected by pyflakes

Use raw strings for regex patterns with escape sequences in
bin/checkExternalLibraries.py and bin/crashreportScraper.py to fix
SyntaxWarning for invalid escape sequences. Remove unused exception
variable in solenv/bin/hrcex and solenv/bin/uiex.

Change-Id: Ib43ed0705e52abfcae646236364c8bffd8e7d583
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/198943
Tested-by: Jenkins
Reviewed-by: Ilmari Lauhakangas <ilmari.lauhakangas@libreoffice.org>

bin/checkExternalLibraries.py

@@ -64,14 +64,14 @@ libraryNames = {
 def get_current_version(libName):
     if "sqlite" in libName:
         # 3XXYYZZ -> 3.X.Y.Z
-        s = re.search("(\d{7})", libName )
+        s = re.search(r"(\d{7})", libName )
         if s:
             num = str(s.group(1))
             return parse("{}.{}.{}.{}".format(num[0], num[1:3], num[3:5], num[6:7]))
     else:
         libraryName = libName.replace("_", ".")
         libraryName = re.sub("[0-9a-f]{5,40}", "", libraryName) #SHA1
-        s = re.search("\d[\d\.]+\d", libraryName )
+        s = re.search(r"\d[\d\.]+\d", libraryName )
         if s:
             return parse(s.group())
 
@@ -97,9 +97,9 @@ def get_library_list(fileName):
         for libraryBranch in libraryBranches:
             if libraryName.lower().startswith(libraryBranch):
                 if libraryBranch == "postgres":
-                    branch = ''.join(re.findall("\d{1,2}", libraryName)[0])
+                    branch = ''.join(re.findall(r"\d{1,2}", libraryName)[0])
                 else:
-                    branch = ''.join(re.findall("\d{1,2}\.\d{1,2}", libraryName)[0])
+                    branch = ''.join(re.findall(r"\d{1,2}\.\d{1,2}", libraryName)[0])
                 branches[libraryBranch] = branch
                 print(libraryBranch + " is on branch: " + str(branch))
                 break

bin/crashreportScraper.py

@@ -116,7 +116,7 @@ def parse_reports_and_get_most_recent_report_from_last_page(signature, session):
         td_list = tr.find_all("td")
 
         currentID = td_list[0].a.text.strip()
-        currentVersion = int(''.join(re.findall("\d+", td_list[2].text)))
+        currentVersion = int(''.join(re.findall(r"\d+", td_list[2].text)))
         currentOS = td_list[3].text.strip()
 
         # get most recent version

solenv/bin/hrcex

@@ -8,7 +8,7 @@ from subprocess import check_output, Popen, PIPE
 
 try:
     myopts, args = getopt.getopt(sys.argv[1:], "i:o:")
-except getopt.GetoptError as e:
+except getopt.GetoptError:
     print(" Syntax: hrcex -i FileIn -o FileOut")
     print(" FileIn:   Source files (*.hrc)")
     print(" FileOut:  Destination file (*.*)")

solenv/bin/uiex

@@ -8,7 +8,7 @@ from subprocess import check_output
 
 try:
     myopts, args = getopt.getopt(sys.argv[1:], "i:o:")
-except getopt.GetoptError as e:
+except getopt.GetoptError:
     print(" Syntax: uiex -i FileIn -o FileOut")
     print(" FileIn:   Source files (*.ui)")
     print(" FileOut:  Destination file (*.*)")