CondaInterface/__init__.py

Tue, 29 Jan 2019 19:48:13 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Tue, 29 Jan 2019 19:48:13 +0100
branch
conda
changeset 6681
9c1513b488ef
parent 6677
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child 6697
2f5c951bdf14
permissions
-rw-r--r--

CondaInterface, VirtualenvConfigurationDialog: moved the version related functions to the CondaInterface package.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2019 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Package implementing the various conda related modules.
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8 """
6681
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9
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10 from __future__ import unicode_literals
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11 try:
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12 str = unicode
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13 except NameError:
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14 pass
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15
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16 import re
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17
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18 from PyQt5.QtCore import QCoreApplication, QProcess
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19
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20 import Preferences
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21
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22 __CondaVersion = tuple()
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23 __CondaVersionStr = ""
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24
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25
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26 def __determineCondaVersion():
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27 """
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28 Private module function to get the conda version via the conda executable.
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29 """
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30 global __CondaVersionStr, __CondaVersion
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31
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32 if not __CondaVersion:
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33 exe = Preferences.getConda("CondaExecutable")
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34 if not exe:
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35 exe = "conda"
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36
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37 versionRe = re.compile(r"""^conda.*?(\d+\.\d+\.\d+).*""")
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38
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39 proc = QProcess()
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40 proc.start(exe, ["--version"])
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41 if not proc.waitForStarted(15000):
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42 __CondaVersionStr = QCoreApplication.translate(
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43 "CondaInterface",
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44 '<conda not found or not configured.>')
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45 else:
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46 proc.waitForFinished(15000)
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47 output = str(proc.readAllStandardOutput(),
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48 Preferences.getSystem("IOEncoding"),
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49 'replace').strip()
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50 match = re.match(versionRe, output)
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51 if match:
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52 __CondaVersionStr = match.group(1)
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53 __CondaVersion = tuple(
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54 int(i) for i in __CondaVersionStr.split(".")
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55 )
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56 else:
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57 __CondaVersionStr = QCoreApplication.translate(
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58 "CondaInterface",
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59 '<conda returned strange version info.')
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60
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61
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62 def condaVersion():
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63 """
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64 Module function to get the conda version.
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65
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66 @return tuple containing the conda version
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67 @rtype tuple of (int, int, int)
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68 """
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69 __determineCondaVersion()
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70 return __CondaVersion
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71
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72
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73 def condaVersionStr():
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74 """
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75 Module function to get the conda version as a string.
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76
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77 @return conda version as a string
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78 @rtype str
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79 """
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80 __determineCondaVersion()
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81 return __CondaVersionStr

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