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Merge pull request #1357 from task-hazy/python_3_cli_linux

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Adjust wineutils to better call wine python
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Apprentice Harper 2020-11-23 13:28:29 +00:00 committed by GitHub
commit dbc7f26097
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1 changed files with 65 additions and 26 deletions
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91
DeDRM_plugin/wineutils.py
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@ -7,16 +7,75 @@ __license__ = 'GPL v3'
import os, sys, re, hashlib, traceback
from calibre_plugins.dedrm.__init__ import PLUGIN_NAME, PLUGIN_VERSION
def WineGetKeys(scriptpath, extension, wineprefix=""):
import subprocess
from subprocess import Popen, PIPE, STDOUT
import subasyncio
from subasyncio import Process
class NoWinePython3Exception(Exception):
pass
class WinePythonCLI:
py3_test = "import sys; sys.exit(0 if (sys.version_info.major==3) else 1)"
def __init__(self, wineprefix=""):
import subprocess
if wineprefix != "":
wineprefix = os.path.abspath(os.path.expanduser(os.path.expandvars(wineprefix)))
if wineprefix != "" and os.path.exists(wineprefix):
self.wineprefix = wineprefix
else:
self.wineprefix = None
candidate_execs = [
["wine", "py.exe", "-3"],
["wine", "python3.exe"],
["wine", "python.exe"],
["wine", "C:\\Python27\\python.exe"], # Should likely be removed
]
for e in candidate_execs:
self.python_exec = e
try:
self.check_call(["-c", self.py3_test])
print("{0} v{1}: Python3 exec found as {2}".format(
PLUGIN_NAME, PLUGIN_VERSION, " ".join(self.python_exec)
))
return None
except subprocess.CalledProcessError as e:
if e.returncode == 1:
print("{0} v{1}: {2} is not python3".format(
PLUGIN_NAME, PLUGIN_VERSION, " ".join(self.python_exec)
))
elif e.returncode == 53:
print("{0} v{1}: {2} does not exist".format(
PLUGIN_NAME, PLUGIN_VERSION, " ".join(self.python_exec)
))
raise NoWinePython3Exception("Could not find python3 executable on specified wine prefix")
def check_call(self, cli_args):
import subprocess
env_dict = os.environ
env_dict["PYTHONPATH"] = ""
if self.wineprefix is not None:
env_dict["WINEPREFIX"] = self.wineprefix
subprocess.check_call(self.python_exec + cli_args, env=env_dict,
stdin=None, stdout=sys.stdout,
stderr=subprocess.STDOUT, close_fds=False,
bufsize=1)
def WineGetKeys(scriptpath, extension, wineprefix=""):
if extension == ".k4i":
import json
try:
pyexec = WinePythonCLI(wineprefix)
except NoWinePython3Exception:
print('{0} v{1}: Unable to find python3 executable in WINEPREFIX="{2}"'.format(PLUGIN_NAME, PLUGIN_VERSION, wineprefix))
return []
basepath, script = os.path.split(scriptpath)
print("{0} v{1}: Running {2} under Wine".format(PLUGIN_NAME, PLUGIN_VERSION, script))
@ -27,30 +86,10 @@ def WineGetKeys(scriptpath, extension, wineprefix=""):
if wineprefix != "":
wineprefix = os.path.abspath(os.path.expanduser(os.path.expandvars(wineprefix)))
if wineprefix != "" and os.path.exists(wineprefix):
cmdline = "PYTHONPATH=\"\" WINEPREFIX=\"{2}\" wine python.exe \"{0}\" \"{1}\"".format(scriptpath,outdirpath,wineprefix)
else:
cmdline = "PYTHONPATH=\"\" wine python.exe \"{0}\" \"{1}\"".format(scriptpath,outdirpath)
print("{0} v{1}: Command line: '{2}'".format(PLUGIN_NAME, PLUGIN_VERSION, cmdline))
try:
cmdline = cmdline.encode(sys.getfilesystemencoding())
p2 = Process(cmdline, shell=True, bufsize=1, stdin=None, stdout=sys.stdout, stderr=STDOUT, close_fds=False)
result = p2.wait("wait")
result = pyexec.check_call([scriptpath, outdirpath])
except Exception as e:
print("{0} v{1}: Wine subprocess call error: {2}".format(PLUGIN_NAME, PLUGIN_VERSION, e.args[0]))
if wineprefix != "" and os.path.exists(wineprefix):
cmdline = "PYTHONPATH=\"\" WINEPREFIX=\"{2}\" wine C:\\Python27\\python.exe \"{0}\" \"{1}\"".format(scriptpath,outdirpath,wineprefix)
else:
cmdline = "PYTHONPATH=\"\" wine C:\\Python27\\python.exe \"{0}\" \"{1}\"".format(scriptpath,outdirpath)
print("{0} v{1}: Command line: “{2}”".format(PLUGIN_NAME, PLUGIN_VERSION, cmdline))
try:
cmdline = cmdline.encode(sys.getfilesystemencoding())
p2 = Process(cmdline, shell=True, bufsize=1, stdin=None, stdout=sys.stdout, stderr=STDOUT, close_fds=False)
result = p2.wait("wait")
except Exception as e:
print("{0} v{1}: Wine subprocess call error: {2}".format(PLUGIN_NAME, PLUGIN_VERSION, e.args[0]))
# try finding winekeys anyway, even if above code errored
winekeys = []