Merge pull request #8131 from ethereum/python3

Use Python 3 instead of Python 2 (EOL'd)

scripts/bytecodecompare/prepare_report.py

@@ -1,41 +1,41 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 import glob
 import subprocess
 import json
 
-solc = sys.argv[1]
+SOLC_BIN = sys.argv[1]
-report = open("report.txt", "wb")
+REPORT_FILE = open("report.txt", "wb")
 
 for optimize in [False, True]:
     for f in sorted(glob.glob("*.sol")):
         sources = {}
         sources[f] = {'content': open(f, 'r').read()}
-        input = {
+        input_json = {
             'language': 'Solidity',
             'sources': sources,
             'settings': {
                 'optimizer': {
                     'enabled': optimize
                 },
-                'outputSelection': { '*': { '*': ['evm.bytecode.object', 'metadata'] } }
+                'outputSelection': {'*': {'*': ['evm.bytecode.object', 'metadata']}}
             }
         }
-        args = [solc, '--standard-json']
+        args = [SOLC_BIN, '--standard-json']
         if optimize:
             args += ['--optimize']
         proc = subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-        (out, err) = proc.communicate(json.dumps(input))
+        (out, err) = proc.communicate(json.dumps(input_json))
         try:
             result = json.loads(out.strip())
             for filename in sorted(result['contracts'].keys()):
                 for contractName in sorted(result['contracts'][filename].keys()):
                     contractData = result['contracts'][filename][contractName]
                     if 'evm' in contractData and 'bytecode' in contractData['evm']:
-                        report.write(filename + ':' + contractName + ' ' + contractData['evm']['bytecode']['object'] + '\n')
+                        REPORT_FILE.write(filename + ':' + contractName + ' ' + contractData['evm']['bytecode']['object'] + '\n')
                     else:
-                        report.write(filename + ':' + contractName + ' NO BYTECODE\n')
+                        REPORT_FILE.write(filename + ':' + contractName + ' NO BYTECODE\n')
-                    report.write(filename + ':' + contractName + ' ' + contractData['metadata'] + '\n')
+                    REPORT_FILE.write(filename + ':' + contractName + ' ' + contractData['metadata'] + '\n')
         except KeyError:
-            report.write(f + ": ERROR\n")
+            REPORT_FILE.write(f + ": ERROR\n")

scripts/deps-ppa/static_z3.sh

@@ -76,7 +76,7 @@ Build-Depends: debhelper (>= 9.0.0),
                git,
                libgmp-dev,
                dh-python,
-               python
+               python3
 Standards-Version: 3.9.6
 Homepage: https://github.com/Z3Prover/z3
 Vcs-Git: git://github.com/Z3Prover/z3.git

scripts/extract_test_cases.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 #
 # This script reads C++ or RST source files and writes all
 # multi-line strings into individual files.
@@ -8,12 +8,9 @@
 
 import sys
 import re
-import os
-import hashlib
-from os.path import join
 
-def extract_test_cases(path):
+def extract_test_cases(_path):
-    lines = open(path, 'rb').read().splitlines()
+    lines = open(_path, 'rb').read().splitlines()
 
     inside = False
     delimiter = ''
@@ -42,8 +39,5 @@ def extract_test_cases(path):
                 inside = True
                 delimiter = m.group(1)
 
-
 if __name__ == '__main__':
-    path = sys.argv[1]
+    extract_test_cases(sys.argv[1])
-    extract_test_cases(path)
-

scripts/fix_homebrew_paths_in_standalone_zip.py

@@ -43,7 +43,6 @@ import os
 import subprocess
 import sys
 
-
 def readDependencies(fname):
     with open(fname) as f:
         o = subprocess.Popen(['otool', '-L', fname], stdout=subprocess.PIPE)
@@ -55,7 +54,7 @@ def readDependencies(fname):
                         command = "install_name_tool -change " + \
                             library + " @executable_path/./" + \
                             os.path.basename(library) + " " + fname
-                        print command
+                        print(command)
                         os.system("chmod +w " + fname)
                         os.system(command)
 

scripts/isolate_tests.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 #
 # This script reads C++ or RST source files and writes all
 # multi-line strings into individual files.
@@ -13,7 +13,7 @@ import hashlib
 from os.path import join, isfile
 
 def extract_test_cases(path):
-    lines = open(path, 'rb').read().splitlines()
+    lines = open(path, 'r').read().splitlines()
 
     inside = False
     delimiter = ''
@@ -43,7 +43,7 @@ def extract_docs_cases(path):
     tests = []
 
     # Collect all snippets of indented blocks
-    for l in open(path, 'rb').read().splitlines():
+    for l in open(path, 'r').read().splitlines():
         if l != '':
             if not inside and l.startswith(' '):
                 # start new test
@@ -71,7 +71,8 @@ def write_cases(f, tests):
         # When code examples are extracted they indented by 8 spaces, which violates the style guide,
         # so before checking remove 4 spaces from each line.
         remainder = re.sub(r'^ {4}', '', test, 0, re.MULTILINE)
-        open('test_%s_%s.sol' % (hashlib.sha256(test).hexdigest(), cleaned_filename), 'wb').write(remainder)
+        sol_filename = 'test_%s_%s.sol' % (hashlib.sha256(test.encode("utf-8")).hexdigest(), cleaned_filename)
+        open(sol_filename, 'w').write(remainder)
 
 def extract_and_write(f, path):
         if docs:

scripts/release.sh

@@ -49,7 +49,7 @@ cp $REPO_ROOT/build/solc/solc        $ZIP_TEMP_DIR
 # being for kernel-level dylibs.
 
 if [[ "$OSTYPE" == "darwin"* ]]; then
-    python $REPO_ROOT/scripts/fix_homebrew_paths_in_standalone_zip.py $ZIP_TEMP_DIR
+    python3 $REPO_ROOT/scripts/fix_homebrew_paths_in_standalone_zip.py $ZIP_TEMP_DIR
 fi
 
 # And ZIP it all up, with a filename suffix passed in on the command-line.

scripts/run_proofs.sh

@@ -12,7 +12,7 @@ for new_proof in $(git diff origin/develop --name-only test/formal/)
 do
 	set +e
 	echo "Proving $new_proof..."
-	output=$(python "$new_proof")
+	output=$(python3 "$new_proof")
 	result=$?
 	set -e
 

scripts/splitSources.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 #
 # This script reads a syntaxTest file and writes all
 # sources into their own files. If one source-name specifies subdirectories
@@ -57,6 +57,6 @@ if __name__ == '__main__':
         srcString = ""
         for src in createdSources:
             srcString += src + ' '
-        print srcString
+        print(srcString)
     else:
         sys.exit(1)

scripts/update_bugs_by_version.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 #
 # This script is used to generate the list of bugs per compiler version
 # from the list of bugs.