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Added a rudimentary error checking to RunProcess. #1

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Added a rudimentary error checking to RunProcess. #1

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37 changes: 22 additions & 15 deletions PythonPackageManager/PythonPackageManager.wl
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Original file line number Diff line number Diff line change
Expand Up @@ -10,41 +10,48 @@ PythonPackageUninstall::usage = "PythonPackageUninstall[name] uninstalls 'name'

Begin["`Private`"]

PythonVersion[] := StringTrim[RunProcess[{"python", "-V"}, "StandardOutput"]]
PythonPackageVersion[] := StringTrim[RunProcess[{"pip", "-V"}, "StandardOutput"]]
$tag = "7c704567-e2f5-49a4-ba2e-cba67952b169";

PythonPackageInformation[name_String] := Module[{lines, rules},
lines = ImportString[RunProcess[{"pip", "show", name}, "StandardOutput"], "Lines"];
runProcess[args__] := Module[{res = RunProcess[args]},
If[StringQ[res], res, Throw[$Failed,$tag]]
]

PythonVersion[] := Catch[StringTrim[runProcess[{"python", "-V"}, "StandardOutput"]],$tag]
PythonPackageVersion[] := Catch[StringTrim[runProcess[{"pip", "-V"}, "StandardOutput"]],$tag]

PythonPackageInformation[name_String] := Catch[Module[{lines, rules},
lines = ImportString[runProcess[{"pip", "show", name}, "StandardOutput"], "Lines"];
rules = Map[Rule @@ StringSplit[#, ": ", 2] &, lines];
Association @@ rules
]
], $tag]

PythonPackageList[]:=Module[{lines,rules},
lines=ImportString[RunProcess[{"pip","list"},"StandardOutput"],"Lines"];
PythonPackageList[]:= Catch[Module[{lines,rules},
lines=ImportString[runProcess[{"pip","list"},"StandardOutput"],"Lines"];
rules=Map[Rule@@(StringTrim/@StringSplit[#,WhitespaceCharacter..,2])&,Part[lines,3;;-1]];
Association@@rules
]
],$tag]

PythonPackageInstalledQ[name_String] := TrueQ[RunProcess[{"pip", "show", name}, "StandardOutput"] =!= ""]
PythonPackageInstalledQ[name_String] := Function[{res}, res =!= $Failed && res =!= ""] @
Catch[runProcess[{"pip", "show", name}, "StandardOutput"],$tag]

PythonPackageInstall::alreadyinstalled="The Python package \"``\" is already installed on this machine.";
PythonPackageInstall[name_String]:=Module[{},
PythonPackageInstall[name_String]:= Catch[Module[{},
If[
PythonPackageInstalledQ[name],
Message[PythonPackageInstall::alreadyinstalled,name],
RunProcess[{"pip","--quiet","install",name},"StandardOutput"];
runProcess[{"pip","--quiet","install",name},"StandardOutput"];
If[
PythonPackageInstalledQ[name],
Success["InstallationComplete",<|"MessageTemplate":>"The installation of \"`name`\" is complete.","MessageParameters"-><|"name"->name|>|>],
Failure["InstallationFailed",<|"MessageTemplate":>"The installation of \"`name`\" failed.","MessageParameters"-><|"name"->name|>|>]
]
]
]
],$tag]

PythonPackageUninstall[name_String, OptionsPattern[]] := Module[{},
PythonPackageUninstall[name_String, OptionsPattern[]] := Catch[Module[{},
If[
PythonPackageInstalledQ[name],
RunProcess[{"pip", "--quiet", "uninstall", "--yes", name}, "StandardOutput"];
runProcess[{"pip", "--quiet", "uninstall", "--yes", name}, "StandardOutput"];
If[
PythonPackageInstalledQ[name],
Failure["UninstallationFailed", <|"MessageTemplate" :> "The uninstallation of \"`name`\" failed.","MessageParameters" -> <|"name" -> name|>|>],
Expand All @@ -53,7 +60,7 @@ PythonPackageUninstall[name_String, OptionsPattern[]] := Module[{},
,
Message[PythonPackageUninstall::notfound, name]
]
]
],$tag]


End[]
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