diff -r 4e8b98454baa -r 800c432b34c8 eric7/Plugins/VcsPlugins/vcsMercurial/HgUtilities.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric7/Plugins/VcsPlugins/vcsMercurial/HgUtilities.py Sat May 15 18:45:04 2021 +0200
@@ -0,0 +1,141 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2010 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing some common utility functions for the Mercurial package.
+"""
+
+import os
+import re
+import sys
+
+from PyQt5.QtCore import QProcess, QProcessEnvironment, QCoreApplication
+
+import Utilities
+from Globals import isWindowsPlatform
+
+
+def getHgExecutable():
+ """
+ Function to get the full path of the Mercurial executable.
+
+ @return path of the Mercurial executable
+ @rtype str
+ """
+ exe = ""
+ program = "hg"
+ if isWindowsPlatform():
+ program += ".exe"
+ dirName = os.path.dirname(sys.executable)
+ if os.path.exists(os.path.join(dirName, program)):
+ exe = os.path.join(dirName, program)
+ elif os.path.exists(os.path.join(dirName, "Scripts", program)):
+ exe = os.path.join(dirName, "Scripts", program)
+ else:
+ dirName = os.path.dirname(sys.executable)
+ if os.path.exists(os.path.join(dirName, program)):
+ exe = os.path.join(dirName, program)
+
+ if not exe:
+ exe = program
+
+ return exe
+
+
+def getConfigPath():
+ """
+ Function to get the filename of the config file.
+
+ @return filename of the config file
+ @rtype str
+ """
+ if Utilities.isWindowsPlatform():
+ userprofile = os.environ["USERPROFILE"]
+ return os.path.join(userprofile, "Mercurial.ini")
+ else:
+ homedir = Utilities.getHomeDir()
+ return os.path.join(homedir, ".hgrc")
+
+
+def prepareProcess(proc, encoding="", language=""):
+ """
+ Function to prepare the given process.
+
+ @param proc reference to the process to be prepared
+ @type QProcess
+ @param encoding encoding to be used by the process
+ @type str
+ @param language language to be set
+ @type str
+ """
+ env = QProcessEnvironment.systemEnvironment()
+ env.insert("HGPLAIN", '1')
+
+ # set the encoding for the process
+ if encoding:
+ env.insert("HGENCODING", encoding)
+
+ # set the language for the process
+ if language:
+ env.insert("LANGUAGE", language)
+
+ proc.setProcessEnvironment(env)
+
+
+def hgVersion(plugin):
+ """
+ Public method to determine the Mercurial version.
+
+ @param plugin reference to the plugin object
+ @type VcsMercurialPlugin
+ @return tuple containing the Mercurial version as a string and as a tuple
+ and an error message.
+ @rtype tuple of str, tuple of int and str
+ """
+ versionStr = ""
+ version = ()
+ errorMsg = ""
+
+ exe = getHgExecutable()
+
+ args = ["version"]
+ args.extend(plugin.getGlobalOptions())
+ process = QProcess()
+ process.start(exe, args)
+ procStarted = process.waitForStarted(5000)
+ if procStarted:
+ finished = process.waitForFinished(30000)
+ if finished and process.exitCode() == 0:
+ output = str(process.readAllStandardOutput(),
+ plugin.getPreferences("Encoding"), 'replace')
+ versionStr = output.splitlines()[0].split()[-1][0:-1]
+ v = list(re.match(r'.*?(\d+)\.(\d+)\.?(\d+)?(\+[0-9a-f-]+)?',
+ versionStr).groups())
+ if v[-1] is None:
+ del v[-1]
+ for i in range(3):
+ try:
+ v[i] = int(v[i])
+ except TypeError:
+ v[i] = 0
+ except IndexError:
+ v.append(0)
+ version = tuple(v)
+ else:
+ if finished:
+ errorMsg = QCoreApplication.translate(
+ "HgUtilities",
+ "The hg process finished with the exit code {0}"
+ ).format(process.exitCode())
+ else:
+ errorMsg = QCoreApplication.translate(
+ "HgUtilities",
+ "The hg process did not finish within 30s.")
+ else:
+ errorMsg = QCoreApplication.translate(
+ "HgUtilities",
+ "Could not start the hg executable.")
+
+ return versionStr, version, errorMsg
