Mercurial Repositories > eric / file comparison
comparison: CondaInterface/Conda.py
CondaInterface/Conda.py
- branch
- maintenance
- changeset 6826
- c6dda2cbe081
- parent 6728
- ba077788a882
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| 6764:d14ddbfbbd36 | 6826:c6dda2cbe081 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Package implementing the conda GUI logic. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 try: | |
| 12 str = unicode # __IGNORE_EXCEPTION__ | |
| 13 except NameError: | |
| 14 pass | |
| 15 | |
| 16 import json | |
| 17 import os | |
| 18 | |
| 19 from PyQt5.QtCore import pyqtSignal, QObject, QProcess, QCoreApplication | |
| 20 from PyQt5.QtWidgets import QDialog | |
| 21 | |
| 22 from E5Gui import E5MessageBox | |
| 23 | |
| 24 import Globals | |
| 25 import Preferences | |
| 26 | |
| 27 from . import rootPrefix, condaVersion | |
| 28 from .CondaExecDialog import CondaExecDialog | |
| 29 | |
| 30 | |
| 31 class Conda(QObject): | |
| 32 """ | |
| 33 Class implementing the conda GUI logic. | |
| 34 | |
| 35 @signal condaEnvironmentCreated() emitted to indicate the creation of | |
| 36 a new environment | |
| 37 @signal condaEnvironmentRemoved() emitted to indicate the removal of | |
| 38 an environment | |
| 39 """ | |
| 40 condaEnvironmentCreated = pyqtSignal() | |
| 41 condaEnvironmentRemoved = pyqtSignal() | |
| 42 | |
| 43 RootName = QCoreApplication.translate("Conda", "<root>") | |
| 44 | |
| 45 def __init__(self, parent=None): | |
| 46 """ | |
| 47 Constructor | |
| 48 | |
| 49 @param parent parent | |
| 50 @type QObject | |
| 51 """ | |
| 52 super(Conda, self).__init__(parent) | |
| 53 | |
| 54 self.__ui = parent | |
| 55 | |
| 56 ####################################################################### | |
| 57 ## environment related methods below | |
| 58 ####################################################################### | |
| 59 | |
| 60 def createCondaEnvironment(self, arguments): | |
| 61 """ | |
| 62 Public method to create a conda environment. | |
| 63 | |
| 64 @param arguments list of command line arguments | |
| 65 @type list of str | |
| 66 @return tuple containing a flag indicating success, the directory of | |
| 67 the created environment (aka. prefix) and the corresponding Python | |
| 68 interpreter | |
| 69 @rtype tuple of (bool, str, str) | |
| 70 """ | |
| 71 args = ["create", "--json", "--yes"] + arguments | |
| 72 | |
| 73 dlg = CondaExecDialog("create", self.__ui) | |
| 74 dlg.start(args) | |
| 75 dlg.exec_() | |
| 76 ok, resultDict = dlg.getResult() | |
| 77 | |
| 78 if ok: | |
| 79 if "actions" in resultDict and \ | |
| 80 "PREFIX" in resultDict["actions"]: | |
| 81 prefix = resultDict["actions"]["PREFIX"] | |
| 82 elif "prefix" in resultDict: | |
| 83 prefix = resultDict["prefix"] | |
| 84 elif "dst_prefix" in resultDict: | |
| 85 prefix = resultDict["dst_prefix"] | |
| 86 else: | |
| 87 prefix = "" | |
| 88 | |
| 89 # determine Python executable | |
| 90 if prefix: | |
| 91 pathPrefixes = [ | |
| 92 prefix, | |
| 93 rootPrefix() | |
| 94 ] | |
| 95 else: | |
| 96 pathPrefixes = [ | |
| 97 rootPrefix() | |
| 98 ] | |
| 99 for pathPrefix in pathPrefixes: | |
| 100 if Globals.isWindowsPlatform(): | |
| 101 python = os.path.join(pathPrefix, "python.exe") | |
| 102 else: | |
| 103 python = os.path.join(pathPrefix, "bin", "python") | |
| 104 if os.path.exists(python): | |
| 105 break | |
| 106 else: | |
| 107 python = "" | |
| 108 | |
| 109 self.condaEnvironmentCreated.emit() | |
| 110 return True, prefix, python | |
| 111 else: | |
| 112 return False, "", "" | |
| 113 | |
| 114 def removeCondaEnvironment(self, name="", prefix=""): | |
| 115 """ | |
| 116 Public method to remove a conda environment. | |
| 117 | |
| 118 @param name name of the environment | |
| 119 @type str | |
| 120 @param prefix prefix of the environment | |
| 121 @type str | |
| 122 @return flag indicating success | |
| 123 @rtype bool | |
| 124 @exception RuntimeError raised to indicate an error in parameters | |
| 125 | |
| 126 Note: only one of name or prefix must be given. | |
| 127 """ | |
| 128 if name and prefix: | |
| 129 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 130 | |
| 131 if not name and not prefix: | |
| 132 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 133 | |
| 134 args = [ | |
| 135 "remove", | |
| 136 "--json", | |
| 137 "--quiet", | |
| 138 "--all", | |
| 139 ] | |
| 140 if name: | |
| 141 args.extend(["--name", name]) | |
| 142 elif prefix: | |
| 143 args.extend(["--prefix", prefix]) | |
| 144 | |
| 145 exe = Preferences.getConda("CondaExecutable") | |
| 146 if not exe: | |
| 147 exe = "conda" | |
| 148 | |
| 149 proc = QProcess() | |
| 150 proc.start(exe, args) | |
| 151 if not proc.waitForStarted(15000): | |
| 152 E5MessageBox.critical( | |
| 153 self.__ui, | |
| 154 self.tr("conda remove"), | |
| 155 self.tr("""The conda executable could not be started.""")) | |
| 156 return False | |
| 157 else: | |
| 158 proc.waitForFinished(15000) | |
| 159 output = str(proc.readAllStandardOutput(), | |
| 160 Preferences.getSystem("IOEncoding"), | |
| 161 'replace').strip() | |
| 162 try: | |
| 163 jsonDict = json.loads(output) | |
| 164 except Exception: | |
| 165 E5MessageBox.critical( | |
| 166 self.__ui, | |
| 167 self.tr("conda remove"), | |
| 168 self.tr("""The conda executable returned invalid data.""")) | |
| 169 return False | |
| 170 | |
| 171 if "error" in jsonDict: | |
| 172 E5MessageBox.critical( | |
| 173 self.__ui, | |
| 174 self.tr("conda remove"), | |
| 175 self.tr("<p>The conda executable returned an error.</p>" | |
| 176 "<p>{0}</p>").format(jsonDict["message"])) | |
| 177 return False | |
| 178 | |
| 179 if jsonDict["success"]: | |
| 180 self.condaEnvironmentRemoved.emit() | |
| 181 | |
| 182 return jsonDict["success"] | |
| 183 | |
| 184 return False | |
| 185 | |
| 186 def getCondaEnvironmentsList(self): | |
| 187 """ | |
| 188 Public method to get a list of all Conda environments. | |
| 189 | |
| 190 @return list of tuples containing the environment name and prefix | |
| 191 @rtype list of tuples of (str, str) | |
| 192 """ | |
| 193 exe = Preferences.getConda("CondaExecutable") | |
| 194 if not exe: | |
| 195 exe = "conda" | |
| 196 | |
| 197 environmentsList = [] | |
| 198 | |
| 199 proc = QProcess() | |
| 200 proc.start(exe, ["info", "--json"]) | |
| 201 if proc.waitForStarted(15000): | |
| 202 if proc.waitForFinished(15000): | |
| 203 output = str(proc.readAllStandardOutput(), | |
| 204 Preferences.getSystem("IOEncoding"), | |
| 205 'replace').strip() | |
| 206 try: | |
| 207 jsonDict = json.loads(output) | |
| 208 except Exception: | |
| 209 jsonDict = {} | |
| 210 | |
| 211 if "envs" in jsonDict: | |
| 212 for prefix in jsonDict["envs"][:]: | |
| 213 if prefix == jsonDict["root_prefix"]: | |
| 214 if not jsonDict["root_writable"]: | |
| 215 # root prefix is listed but not writable | |
| 216 continue | |
| 217 name = self.RootName | |
| 218 else: | |
| 219 name = os.path.basename(prefix) | |
| 220 | |
| 221 environmentsList.append((name, prefix)) | |
| 222 | |
| 223 return environmentsList | |
| 224 | |
| 225 ####################################################################### | |
| 226 ## package related methods below | |
| 227 ####################################################################### | |
| 228 | |
| 229 def getInstalledPackages(self, name="", prefix=""): | |
| 230 """ | |
| 231 Public method to get a list of installed packages of a conda | |
| 232 environment. | |
| 233 | |
| 234 @param name name of the environment | |
| 235 @type str | |
| 236 @param prefix prefix of the environment | |
| 237 @type str | |
| 238 @return list of installed packages. Each entry is a tuple containing | |
| 239 the package name, version and build. | |
| 240 @rtype list of tuples of (str, str, str) | |
| 241 @exception RuntimeError raised to indicate an error in parameters | |
| 242 | |
| 243 Note: only one of name or prefix must be given. | |
| 244 """ | |
| 245 if name and prefix: | |
| 246 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 247 | |
| 248 if not name and not prefix: | |
| 249 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 250 | |
| 251 args = [ | |
| 252 "list", | |
| 253 "--json", | |
| 254 ] | |
| 255 if name: | |
| 256 args.extend(["--name", name]) | |
| 257 elif prefix: | |
| 258 args.extend(["--prefix", prefix]) | |
| 259 | |
| 260 exe = Preferences.getConda("CondaExecutable") | |
| 261 if not exe: | |
| 262 exe = "conda" | |
| 263 | |
| 264 packages = [] | |
| 265 | |
| 266 proc = QProcess() | |
| 267 proc.start(exe, args) | |
| 268 if proc.waitForStarted(15000): | |
| 269 if proc.waitForFinished(30000): | |
| 270 output = str(proc.readAllStandardOutput(), | |
| 271 Preferences.getSystem("IOEncoding"), | |
| 272 'replace').strip() | |
| 273 try: | |
| 274 jsonList = json.loads(output) | |
| 275 except Exception: | |
| 276 jsonList = [] | |
| 277 | |
| 278 for package in jsonList: | |
| 279 if isinstance(package, dict): | |
| 280 packages.append(( | |
| 281 package["name"], | |
| 282 package["version"], | |
| 283 package["build_string"] | |
| 284 )) | |
| 285 else: | |
| 286 packages.append(tuple(package.rsplit("-", 2))) | |
| 287 | |
| 288 return packages | |
| 289 | |
| 290 def getUpdateablePackages(self, name="", prefix=""): | |
| 291 """ | |
| 292 Public method to get a list of updateable packages of a conda | |
| 293 environment. | |
| 294 | |
| 295 @param name name of the environment | |
| 296 @type str | |
| 297 @param prefix prefix of the environment | |
| 298 @type str | |
| 299 @return list of installed packages. Each entry is a tuple containing | |
| 300 the package name, version and build. | |
| 301 @rtype list of tuples of (str, str, str) | |
| 302 @exception RuntimeError raised to indicate an error in parameters | |
| 303 | |
| 304 Note: only one of name or prefix must be given. | |
| 305 """ | |
| 306 if name and prefix: | |
| 307 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 308 | |
| 309 if not name and not prefix: | |
| 310 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 311 | |
| 312 args = [ | |
| 313 "update", | |
| 314 "--json", | |
| 315 "--quiet", | |
| 316 "--all", | |
| 317 "--dry-run", | |
| 318 ] | |
| 319 if name: | |
| 320 args.extend(["--name", name]) | |
| 321 elif prefix: | |
| 322 args.extend(["--prefix", prefix]) | |
| 323 | |
| 324 exe = Preferences.getConda("CondaExecutable") | |
| 325 if not exe: | |
| 326 exe = "conda" | |
| 327 | |
| 328 packages = [] | |
| 329 | |
| 330 proc = QProcess() | |
| 331 proc.start(exe, args) | |
| 332 if proc.waitForStarted(15000): | |
| 333 if proc.waitForFinished(30000): | |
| 334 output = str(proc.readAllStandardOutput(), | |
| 335 Preferences.getSystem("IOEncoding"), | |
| 336 'replace').strip() | |
| 337 try: | |
| 338 jsonDict = json.loads(output) | |
| 339 except Exception: | |
| 340 jsonDict = {} | |
| 341 | |
| 342 if "actions" in jsonDict and "LINK" in jsonDict["actions"]: | |
| 343 for linkEntry in jsonDict["actions"]["LINK"]: | |
| 344 if isinstance(linkEntry, dict): | |
| 345 packages.append(( | |
| 346 linkEntry["name"], | |
| 347 linkEntry["version"], | |
| 348 linkEntry["build_string"] | |
| 349 )) | |
| 350 else: | |
| 351 package = linkEntry.split()[0] | |
| 352 packages.append(tuple(package.rsplit("-", 2))) | |
| 353 | |
| 354 return packages | |
| 355 | |
| 356 def updatePackages(self, packages, name="", prefix=""): | |
| 357 """ | |
| 358 Public method to update packages of a conda environment. | |
| 359 | |
| 360 @param packages list of package names to be updated | |
| 361 @type list of str | |
| 362 @param name name of the environment | |
| 363 @type str | |
| 364 @param prefix prefix of the environment | |
| 365 @type str | |
| 366 @return flag indicating success | |
| 367 @rtype bool | |
| 368 @exception RuntimeError raised to indicate an error in parameters | |
| 369 | |
| 370 Note: only one of name or prefix must be given. | |
| 371 """ | |
| 372 if name and prefix: | |
| 373 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 374 | |
| 375 if not name and not prefix: | |
| 376 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 377 | |
| 378 if packages: | |
| 379 args = [ | |
| 380 "update", | |
| 381 "--json", | |
| 382 "--yes", | |
| 383 ] | |
| 384 if name: | |
| 385 args.extend(["--name", name]) | |
| 386 elif prefix: | |
| 387 args.extend(["--prefix", prefix]) | |
| 388 args.extend(packages) | |
| 389 | |
| 390 dlg = CondaExecDialog("update", self.__ui) | |
| 391 dlg.start(args) | |
| 392 dlg.exec_() | |
| 393 ok, _ = dlg.getResult() | |
| 394 else: | |
| 395 ok = False | |
| 396 | |
| 397 return ok | |
| 398 | |
| 399 def updateAllPackages(self, name="", prefix=""): | |
| 400 """ | |
| 401 Public method to update all packages of a conda environment. | |
| 402 | |
| 403 @param name name of the environment | |
| 404 @type str | |
| 405 @param prefix prefix of the environment | |
| 406 @type str | |
| 407 @return flag indicating success | |
| 408 @rtype bool | |
| 409 @exception RuntimeError raised to indicate an error in parameters | |
| 410 | |
| 411 Note: only one of name or prefix must be given. | |
| 412 """ | |
| 413 if name and prefix: | |
| 414 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 415 | |
| 416 if not name and not prefix: | |
| 417 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 418 | |
| 419 args = [ | |
| 420 "update", | |
| 421 "--json", | |
| 422 "--yes", | |
| 423 "--all" | |
| 424 ] | |
| 425 if name: | |
| 426 args.extend(["--name", name]) | |
| 427 elif prefix: | |
| 428 args.extend(["--prefix", prefix]) | |
| 429 | |
| 430 dlg = CondaExecDialog("update", self.__ui) | |
| 431 dlg.start(args) | |
| 432 dlg.exec_() | |
| 433 ok, _ = dlg.getResult() | |
| 434 | |
| 435 return ok | |
| 436 | |
| 437 def installPackages(self, packages, name="", prefix=""): | |
| 438 """ | |
| 439 Public method to install packages into a conda environment. | |
| 440 | |
| 441 @param packages list of package names to be installed | |
| 442 @type list of str | |
| 443 @param name name of the environment | |
| 444 @type str | |
| 445 @param prefix prefix of the environment | |
| 446 @type str | |
| 447 @return flag indicating success | |
| 448 @rtype bool | |
| 449 @exception RuntimeError raised to indicate an error in parameters | |
| 450 | |
| 451 Note: only one of name or prefix must be given. | |
| 452 """ | |
| 453 if name and prefix: | |
| 454 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 455 | |
| 456 if not name and not prefix: | |
| 457 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 458 | |
| 459 if packages: | |
| 460 args = [ | |
| 461 "install", | |
| 462 "--json", | |
| 463 "--yes", | |
| 464 ] | |
| 465 if name: | |
| 466 args.extend(["--name", name]) | |
| 467 elif prefix: | |
| 468 args.extend(["--prefix", prefix]) | |
| 469 args.extend(packages) | |
| 470 | |
| 471 dlg = CondaExecDialog("install", self.__ui) | |
| 472 dlg.start(args) | |
| 473 dlg.exec_() | |
| 474 ok, _ = dlg.getResult() | |
| 475 else: | |
| 476 ok = False | |
| 477 | |
| 478 return ok | |
| 479 | |
| 480 def uninstallPackages(self, packages, name="", prefix=""): | |
| 481 """ | |
| 482 Public method to uninstall packages of a conda environment (including | |
| 483 all no longer needed dependencies). | |
| 484 | |
| 485 @param packages list of package names to be uninstalled | |
| 486 @type list of str | |
| 487 @param name name of the environment | |
| 488 @type str | |
| 489 @param prefix prefix of the environment | |
| 490 @type str | |
| 491 @return flag indicating success | |
| 492 @rtype bool | |
| 493 @exception RuntimeError raised to indicate an error in parameters | |
| 494 | |
| 495 Note: only one of name or prefix must be given. | |
| 496 """ | |
| 497 if name and prefix: | |
| 498 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 499 | |
| 500 if not name and not prefix: | |
| 501 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 502 | |
| 503 if packages: | |
| 504 from UI.DeleteFilesConfirmationDialog import \ | |
| 505 DeleteFilesConfirmationDialog | |
| 506 dlg = DeleteFilesConfirmationDialog( | |
| 507 self.parent(), | |
| 508 self.tr("Uninstall Packages"), | |
| 509 self.tr( | |
| 510 "Do you really want to uninstall these packages and" | |
| 511 " their dependencies?"), | |
| 512 packages) | |
| 513 if dlg.exec_() == QDialog.Accepted: | |
| 514 args = [ | |
| 515 "remove", | |
| 516 "--json", | |
| 517 "--yes", | |
| 518 ] | |
| 519 if condaVersion() >= (4, 4, 0): | |
| 520 args.append("--prune",) | |
| 521 if name: | |
| 522 args.extend(["--name", name]) | |
| 523 elif prefix: | |
| 524 args.extend(["--prefix", prefix]) | |
| 525 args.extend(packages) | |
| 526 | |
| 527 dlg = CondaExecDialog("remove", self.__ui) | |
| 528 dlg.start(args) | |
| 529 dlg.exec_() | |
| 530 ok, _ = dlg.getResult() | |
| 531 else: | |
| 532 ok = False | |
| 533 else: | |
| 534 ok = False | |
| 535 | |
| 536 return ok | |
| 537 | |
| 538 def searchPackages(self, pattern, fullNameOnly=False, packageSpec=False, | |
| 539 platform="", name="", prefix=""): | |
| 540 """ | |
| 541 Public method to search for a package pattern of a conda environment. | |
| 542 | |
| 543 @param pattern package search pattern | |
| 544 @type str | |
| 545 @param fullNameOnly flag indicating to search for full names only | |
| 546 @type bool | |
| 547 @param packageSpec flag indicating to search a package specification | |
| 548 @type bool | |
| 549 @param platform type of platform to be searched for | |
| 550 @type str | |
| 551 @param name name of the environment | |
| 552 @type str | |
| 553 @param prefix prefix of the environment | |
| 554 @type str | |
| 555 @return flag indicating success and a dictionary with package name as | |
| 556 key and list of dictionaries containing detailed data for the found | |
| 557 packages as values | |
| 558 @rtype tuple of (bool, dict of list of dict) | |
| 559 @exception RuntimeError raised to indicate an error in parameters | |
| 560 | |
| 561 Note: only one of name or prefix must be given. | |
| 562 """ | |
| 563 if name and prefix: | |
| 564 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 565 | |
| 566 args = [ | |
| 567 "search", | |
| 568 "--json", | |
| 569 ] | |
| 570 if fullNameOnly: | |
| 571 args.append("--full-name") | |
| 572 if packageSpec: | |
| 573 args.append("--spec") | |
| 574 if platform: | |
| 575 args.extend(["--platform", platform]) | |
| 576 if name: | |
| 577 args.extend(["--name", name]) | |
| 578 elif prefix: | |
| 579 args.extend(["--prefix", prefix]) | |
| 580 args.append(pattern) | |
| 581 | |
| 582 exe = Preferences.getConda("CondaExecutable") | |
| 583 if not exe: | |
| 584 exe = "conda" | |
| 585 | |
| 586 packages = {} | |
| 587 ok = False | |
| 588 | |
| 589 proc = QProcess() | |
| 590 proc.start(exe, args) | |
| 591 if proc.waitForStarted(15000): | |
| 592 if proc.waitForFinished(30000): | |
| 593 output = str(proc.readAllStandardOutput(), | |
| 594 Preferences.getSystem("IOEncoding"), | |
| 595 'replace').strip() | |
| 596 try: | |
| 597 packages = json.loads(output) | |
| 598 ok = "error" not in packages | |
| 599 except Exception: | |
| 600 # return values for errors is already set | |
| 601 pass | |
| 602 | |
| 603 return ok, packages | |
| 604 | |
| 605 ####################################################################### | |
| 606 ## special methods below | |
| 607 ####################################################################### | |
| 608 | |
| 609 def updateConda(self): | |
| 610 """ | |
| 611 Public method to update conda itself. | |
| 612 | |
| 613 @return flag indicating success | |
| 614 @rtype bool | |
| 615 """ | |
| 616 args = [ | |
| 617 "update", | |
| 618 "--json", | |
| 619 "--yes", | |
| 620 "conda" | |
| 621 ] | |
| 622 | |
| 623 dlg = CondaExecDialog("update", self.__ui) | |
| 624 dlg.start(args) | |
| 625 dlg.exec_() | |
| 626 ok, _ = dlg.getResult() | |
| 627 | |
| 628 return ok | |
| 629 | |
| 630 def writeDefaultConfiguration(self): | |
| 631 """ | |
| 632 Public method to create a conda configuration with default values. | |
| 633 """ | |
| 634 args = [ | |
| 635 "config", | |
| 636 "--write-default", | |
| 637 "--quiet" | |
| 638 ] | |
| 639 | |
| 640 exe = Preferences.getConda("CondaExecutable") | |
| 641 if not exe: | |
| 642 exe = "conda" | |
| 643 | |
| 644 proc = QProcess() | |
| 645 proc.start(exe, args) | |
| 646 proc.waitForStarted(15000) | |
| 647 proc.waitForFinished(30000) | |
| 648 | |
| 649 def getCondaInformation(self): | |
| 650 """ | |
| 651 Public method to get a dictionary containing information about conda. | |
| 652 | |
| 653 @return dictionary containing information about conda | |
| 654 @rtype dict | |
| 655 """ | |
| 656 exe = Preferences.getConda("CondaExecutable") | |
| 657 if not exe: | |
| 658 exe = "conda" | |
| 659 | |
| 660 infoDict = {} | |
| 661 | |
| 662 proc = QProcess() | |
| 663 proc.start(exe, ["info", "--json"]) | |
| 664 if proc.waitForStarted(15000): | |
| 665 if proc.waitForFinished(30000): | |
| 666 output = str(proc.readAllStandardOutput(), | |
| 667 Preferences.getSystem("IOEncoding"), | |
| 668 'replace').strip() | |
| 669 try: | |
| 670 infoDict = json.loads(output) | |
| 671 except Exception: | |
| 672 infoDict = {} | |
| 673 | |
| 674 return infoDict | |
| 675 | |
| 676 def runProcess(self, args): | |
| 677 """ | |
| 678 Public method to execute the conda with the given arguments. | |
| 679 | |
| 680 The conda executable is called with the given arguments and | |
| 681 waited for its end. | |
| 682 | |
| 683 @param args list of command line arguments | |
| 684 @type list of str | |
| 685 @return tuple containing a flag indicating success and the output | |
| 686 of the process | |
| 687 @rtype tuple of (bool, str) | |
| 688 """ | |
| 689 exe = Preferences.getConda("CondaExecutable") | |
| 690 if not exe: | |
| 691 exe = "conda" | |
| 692 | |
| 693 process = QProcess() | |
| 694 process.start(exe, args) | |
| 695 procStarted = process.waitForStarted(15000) | |
| 696 if procStarted: | |
| 697 finished = process.waitForFinished(30000) | |
| 698 if finished: | |
| 699 if process.exitCode() == 0: | |
| 700 output = str(process.readAllStandardOutput(), | |
| 701 Preferences.getSystem("IOEncoding"), | |
| 702 'replace').strip() | |
| 703 return True, output | |
| 704 else: | |
| 705 return (False, | |
| 706 self.tr("conda exited with an error ({0}).") | |
| 707 .format(process.exitCode())) | |
| 708 else: | |
| 709 process.terminate() | |
| 710 process.waitForFinished(2000) | |
| 711 process.kill() | |
| 712 process.waitForFinished(3000) | |
| 713 return False, self.tr("conda did not finish within" | |
| 714 " 30 seconds.") | |
| 715 | |
| 716 return False, self.tr("conda could not be started.") | |
| 717 | |
| 718 def cleanConda(self, cleanAction): | |
| 719 """ | |
| 720 Public method to update conda itself. | |
| 721 | |
| 722 @param cleanAction cleaning action to be performed (must be one of | |
| 723 the command line parameters without '--') | |
| 724 @type str | |
| 725 """ | |
| 726 args = [ | |
| 727 "clean", | |
| 728 "--yes", | |
| 729 "--{0}".format(cleanAction), | |
| 730 ] | |
| 731 | |
| 732 dlg = CondaExecDialog("clean", self.__ui) | |
| 733 dlg.start(args) | |
| 734 dlg.exec_() |
