Mercurial Repositories > eric / file comparison
comparison: src/eric7/CondaInterface/Conda.py
src/eric7/CondaInterface/Conda.py
- branch
- eric7
- changeset 9209
- b99e7fd55fd3
- parent 9060
- eb17e1744940
- child 9221
- bf71ee032bb4
equal
deleted
inserted
replaced
| 9208:3fc8dfeb6ebe | 9209:b99e7fd55fd3 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2019 - 2022 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Package implementing the conda GUI logic. | |
| 8 """ | |
| 9 | |
| 10 import json | |
| 11 import os | |
| 12 import contextlib | |
| 13 | |
| 14 from PyQt6.QtCore import pyqtSignal, QObject, QProcess, QCoreApplication | |
| 15 from PyQt6.QtWidgets import QDialog | |
| 16 | |
| 17 from EricWidgets import EricMessageBox | |
| 18 | |
| 19 import Globals | |
| 20 import Preferences | |
| 21 | |
| 22 from . import rootPrefix, condaVersion | |
| 23 from .CondaExecDialog import CondaExecDialog | |
| 24 | |
| 25 | |
| 26 class Conda(QObject): | |
| 27 """ | |
| 28 Class implementing the conda GUI logic. | |
| 29 | |
| 30 @signal condaEnvironmentCreated() emitted to indicate the creation of | |
| 31 a new environment | |
| 32 @signal condaEnvironmentRemoved() emitted to indicate the removal of | |
| 33 an environment | |
| 34 """ | |
| 35 condaEnvironmentCreated = pyqtSignal() | |
| 36 condaEnvironmentRemoved = pyqtSignal() | |
| 37 | |
| 38 RootName = QCoreApplication.translate("Conda", "<root>") | |
| 39 | |
| 40 def __init__(self, parent=None): | |
| 41 """ | |
| 42 Constructor | |
| 43 | |
| 44 @param parent parent | |
| 45 @type QObject | |
| 46 """ | |
| 47 super().__init__(parent) | |
| 48 | |
| 49 self.__ui = parent | |
| 50 | |
| 51 ####################################################################### | |
| 52 ## environment related methods below | |
| 53 ####################################################################### | |
| 54 | |
| 55 def createCondaEnvironment(self, arguments): | |
| 56 """ | |
| 57 Public method to create a conda environment. | |
| 58 | |
| 59 @param arguments list of command line arguments | |
| 60 @type list of str | |
| 61 @return tuple containing a flag indicating success, the directory of | |
| 62 the created environment (aka. prefix) and the corresponding Python | |
| 63 interpreter | |
| 64 @rtype tuple of (bool, str, str) | |
| 65 """ | |
| 66 args = ["create", "--json", "--yes"] + arguments | |
| 67 | |
| 68 dlg = CondaExecDialog("create", self.__ui) | |
| 69 dlg.start(args) | |
| 70 dlg.exec() | |
| 71 ok, resultDict = dlg.getResult() | |
| 72 | |
| 73 if ok: | |
| 74 if ("actions" in resultDict and | |
| 75 "PREFIX" in resultDict["actions"]): | |
| 76 prefix = resultDict["actions"]["PREFIX"] | |
| 77 elif "prefix" in resultDict: | |
| 78 prefix = resultDict["prefix"] | |
| 79 elif "dst_prefix" in resultDict: | |
| 80 prefix = resultDict["dst_prefix"] | |
| 81 else: | |
| 82 prefix = "" | |
| 83 | |
| 84 # determine Python executable | |
| 85 if prefix: | |
| 86 pathPrefixes = [ | |
| 87 prefix, | |
| 88 rootPrefix() | |
| 89 ] | |
| 90 else: | |
| 91 pathPrefixes = [ | |
| 92 rootPrefix() | |
| 93 ] | |
| 94 for pathPrefix in pathPrefixes: | |
| 95 python = ( | |
| 96 os.path.join(pathPrefix, "python.exe") | |
| 97 if Globals.isWindowsPlatform() else | |
| 98 os.path.join(pathPrefix, "bin", "python") | |
| 99 ) | |
| 100 if os.path.exists(python): | |
| 101 break | |
| 102 else: | |
| 103 python = "" | |
| 104 | |
| 105 self.condaEnvironmentCreated.emit() | |
| 106 return True, prefix, python | |
| 107 else: | |
| 108 return False, "", "" | |
| 109 | |
| 110 def removeCondaEnvironment(self, name="", prefix=""): | |
| 111 """ | |
| 112 Public method to remove a conda environment. | |
| 113 | |
| 114 @param name name of the environment | |
| 115 @type str | |
| 116 @param prefix prefix of the environment | |
| 117 @type str | |
| 118 @return flag indicating success | |
| 119 @rtype bool | |
| 120 @exception RuntimeError raised to indicate an error in parameters | |
| 121 | |
| 122 Note: only one of name or prefix must be given. | |
| 123 """ | |
| 124 if name and prefix: | |
| 125 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 126 | |
| 127 if not name and not prefix: | |
| 128 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 129 | |
| 130 args = [ | |
| 131 "remove", | |
| 132 "--json", | |
| 133 "--quiet", | |
| 134 "--all", | |
| 135 ] | |
| 136 if name: | |
| 137 args.extend(["--name", name]) | |
| 138 elif prefix: | |
| 139 args.extend(["--prefix", prefix]) | |
| 140 | |
| 141 exe = Preferences.getConda("CondaExecutable") | |
| 142 if not exe: | |
| 143 exe = "conda" | |
| 144 | |
| 145 proc = QProcess() | |
| 146 proc.start(exe, args) | |
| 147 if not proc.waitForStarted(15000): | |
| 148 EricMessageBox.critical( | |
| 149 self.__ui, | |
| 150 self.tr("conda remove"), | |
| 151 self.tr("""The conda executable could not be started.""")) | |
| 152 return False | |
| 153 else: | |
| 154 proc.waitForFinished(15000) | |
| 155 output = str(proc.readAllStandardOutput(), | |
| 156 Preferences.getSystem("IOEncoding"), | |
| 157 'replace').strip() | |
| 158 try: | |
| 159 jsonDict = json.loads(output) | |
| 160 except Exception: | |
| 161 EricMessageBox.critical( | |
| 162 self.__ui, | |
| 163 self.tr("conda remove"), | |
| 164 self.tr("""The conda executable returned invalid data.""")) | |
| 165 return False | |
| 166 | |
| 167 if "error" in jsonDict: | |
| 168 EricMessageBox.critical( | |
| 169 self.__ui, | |
| 170 self.tr("conda remove"), | |
| 171 self.tr("<p>The conda executable returned an error.</p>" | |
| 172 "<p>{0}</p>").format(jsonDict["message"])) | |
| 173 return False | |
| 174 | |
| 175 if jsonDict["success"]: | |
| 176 self.condaEnvironmentRemoved.emit() | |
| 177 | |
| 178 return jsonDict["success"] | |
| 179 | |
| 180 return False | |
| 181 | |
| 182 def getCondaEnvironmentsList(self): | |
| 183 """ | |
| 184 Public method to get a list of all Conda environments. | |
| 185 | |
| 186 @return list of tuples containing the environment name and prefix | |
| 187 @rtype list of tuples of (str, str) | |
| 188 """ | |
| 189 exe = Preferences.getConda("CondaExecutable") | |
| 190 if not exe: | |
| 191 exe = "conda" | |
| 192 | |
| 193 environmentsList = [] | |
| 194 | |
| 195 proc = QProcess() | |
| 196 proc.start(exe, ["info", "--json"]) | |
| 197 if proc.waitForStarted(15000) and proc.waitForFinished(15000): | |
| 198 output = str(proc.readAllStandardOutput(), | |
| 199 Preferences.getSystem("IOEncoding"), | |
| 200 'replace').strip() | |
| 201 try: | |
| 202 jsonDict = json.loads(output) | |
| 203 except Exception: | |
| 204 jsonDict = {} | |
| 205 | |
| 206 if "envs" in jsonDict: | |
| 207 for prefix in jsonDict["envs"][:]: | |
| 208 if prefix == jsonDict["root_prefix"]: | |
| 209 if not jsonDict["root_writable"]: | |
| 210 # root prefix is listed but not writable | |
| 211 continue | |
| 212 name = self.RootName | |
| 213 else: | |
| 214 name = os.path.basename(prefix) | |
| 215 | |
| 216 environmentsList.append((name, prefix)) | |
| 217 | |
| 218 return environmentsList | |
| 219 | |
| 220 ####################################################################### | |
| 221 ## package related methods below | |
| 222 ####################################################################### | |
| 223 | |
| 224 def getInstalledPackages(self, name="", prefix=""): | |
| 225 """ | |
| 226 Public method to get a list of installed packages of a conda | |
| 227 environment. | |
| 228 | |
| 229 @param name name of the environment | |
| 230 @type str | |
| 231 @param prefix prefix of the environment | |
| 232 @type str | |
| 233 @return list of installed packages. Each entry is a tuple containing | |
| 234 the package name, version and build. | |
| 235 @rtype list of tuples of (str, str, str) | |
| 236 @exception RuntimeError raised to indicate an error in parameters | |
| 237 | |
| 238 Note: only one of name or prefix must be given. | |
| 239 """ | |
| 240 if name and prefix: | |
| 241 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 242 | |
| 243 if not name and not prefix: | |
| 244 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 245 | |
| 246 args = [ | |
| 247 "list", | |
| 248 "--json", | |
| 249 ] | |
| 250 if name: | |
| 251 args.extend(["--name", name]) | |
| 252 elif prefix: | |
| 253 args.extend(["--prefix", prefix]) | |
| 254 | |
| 255 exe = Preferences.getConda("CondaExecutable") | |
| 256 if not exe: | |
| 257 exe = "conda" | |
| 258 | |
| 259 packages = [] | |
| 260 | |
| 261 proc = QProcess() | |
| 262 proc.start(exe, args) | |
| 263 if proc.waitForStarted(15000) and proc.waitForFinished(30000): | |
| 264 output = str(proc.readAllStandardOutput(), | |
| 265 Preferences.getSystem("IOEncoding"), | |
| 266 'replace').strip() | |
| 267 try: | |
| 268 jsonList = json.loads(output) | |
| 269 except Exception: | |
| 270 jsonList = [] | |
| 271 | |
| 272 for package in jsonList: | |
| 273 if isinstance(package, dict): | |
| 274 packages.append(( | |
| 275 package["name"], | |
| 276 package["version"], | |
| 277 package["build_string"] | |
| 278 )) | |
| 279 else: | |
| 280 parts = package.rsplit("-", 2) | |
| 281 while len(parts) < 3: | |
| 282 parts.append("") | |
| 283 packages.append(tuple(parts)) | |
| 284 | |
| 285 return packages | |
| 286 | |
| 287 def getUpdateablePackages(self, name="", prefix=""): | |
| 288 """ | |
| 289 Public method to get a list of updateable packages of a conda | |
| 290 environment. | |
| 291 | |
| 292 @param name name of the environment | |
| 293 @type str | |
| 294 @param prefix prefix of the environment | |
| 295 @type str | |
| 296 @return list of installed packages. Each entry is a tuple containing | |
| 297 the package name, version and build. | |
| 298 @rtype list of tuples of (str, str, str) | |
| 299 @exception RuntimeError raised to indicate an error in parameters | |
| 300 | |
| 301 Note: only one of name or prefix must be given. | |
| 302 """ | |
| 303 if name and prefix: | |
| 304 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 305 | |
| 306 if not name and not prefix: | |
| 307 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 308 | |
| 309 args = [ | |
| 310 "update", | |
| 311 "--json", | |
| 312 "--quiet", | |
| 313 "--all", | |
| 314 "--dry-run", | |
| 315 ] | |
| 316 if name: | |
| 317 args.extend(["--name", name]) | |
| 318 elif prefix: | |
| 319 args.extend(["--prefix", prefix]) | |
| 320 | |
| 321 exe = Preferences.getConda("CondaExecutable") | |
| 322 if not exe: | |
| 323 exe = "conda" | |
| 324 | |
| 325 packages = [] | |
| 326 | |
| 327 proc = QProcess() | |
| 328 proc.start(exe, args) | |
| 329 if proc.waitForStarted(15000) and proc.waitForFinished(30000): | |
| 330 output = str(proc.readAllStandardOutput(), | |
| 331 Preferences.getSystem("IOEncoding"), | |
| 332 'replace').strip() | |
| 333 try: | |
| 334 jsonDict = json.loads(output) | |
| 335 except Exception: | |
| 336 jsonDict = {} | |
| 337 | |
| 338 if "actions" in jsonDict and "LINK" in jsonDict["actions"]: | |
| 339 for linkEntry in jsonDict["actions"]["LINK"]: | |
| 340 if isinstance(linkEntry, dict): | |
| 341 packages.append(( | |
| 342 linkEntry["name"], | |
| 343 linkEntry["version"], | |
| 344 linkEntry["build_string"] | |
| 345 )) | |
| 346 else: | |
| 347 package = linkEntry.split()[0] | |
| 348 parts = package.rsplit("-", 2) | |
| 349 while len(parts) < 3: | |
| 350 parts.append("") | |
| 351 packages.append(tuple(parts)) | |
| 352 | |
| 353 return packages | |
| 354 | |
| 355 def updatePackages(self, packages, name="", prefix=""): | |
| 356 """ | |
| 357 Public method to update packages of a conda environment. | |
| 358 | |
| 359 @param packages list of package names to be updated | |
| 360 @type list of str | |
| 361 @param name name of the environment | |
| 362 @type str | |
| 363 @param prefix prefix of the environment | |
| 364 @type str | |
| 365 @return flag indicating success | |
| 366 @rtype bool | |
| 367 @exception RuntimeError raised to indicate an error in parameters | |
| 368 | |
| 369 Note: only one of name or prefix must be given. | |
| 370 """ | |
| 371 if name and prefix: | |
| 372 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 373 | |
| 374 if not name and not prefix: | |
| 375 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 376 | |
| 377 if packages: | |
| 378 args = [ | |
| 379 "update", | |
| 380 "--json", | |
| 381 "--yes", | |
| 382 ] | |
| 383 if name: | |
| 384 args.extend(["--name", name]) | |
| 385 elif prefix: | |
| 386 args.extend(["--prefix", prefix]) | |
| 387 args.extend(packages) | |
| 388 | |
| 389 dlg = CondaExecDialog("update", self.__ui) | |
| 390 dlg.start(args) | |
| 391 dlg.exec() | |
| 392 ok, _ = dlg.getResult() | |
| 393 else: | |
| 394 ok = False | |
| 395 | |
| 396 return ok | |
| 397 | |
| 398 def updateAllPackages(self, name="", prefix=""): | |
| 399 """ | |
| 400 Public method to update all packages of a conda environment. | |
| 401 | |
| 402 @param name name of the environment | |
| 403 @type str | |
| 404 @param prefix prefix of the environment | |
| 405 @type str | |
| 406 @return flag indicating success | |
| 407 @rtype bool | |
| 408 @exception RuntimeError raised to indicate an error in parameters | |
| 409 | |
| 410 Note: only one of name or prefix must be given. | |
| 411 """ | |
| 412 if name and prefix: | |
| 413 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 414 | |
| 415 if not name and not prefix: | |
| 416 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 417 | |
| 418 args = [ | |
| 419 "update", | |
| 420 "--json", | |
| 421 "--yes", | |
| 422 "--all" | |
| 423 ] | |
| 424 if name: | |
| 425 args.extend(["--name", name]) | |
| 426 elif prefix: | |
| 427 args.extend(["--prefix", prefix]) | |
| 428 | |
| 429 dlg = CondaExecDialog("update", self.__ui) | |
| 430 dlg.start(args) | |
| 431 dlg.exec() | |
| 432 ok, _ = dlg.getResult() | |
| 433 | |
| 434 return ok | |
| 435 | |
| 436 def installPackages(self, packages, name="", prefix=""): | |
| 437 """ | |
| 438 Public method to install packages into a conda environment. | |
| 439 | |
| 440 @param packages list of package names to be installed | |
| 441 @type list of str | |
| 442 @param name name of the environment | |
| 443 @type str | |
| 444 @param prefix prefix of the environment | |
| 445 @type str | |
| 446 @return flag indicating success | |
| 447 @rtype bool | |
| 448 @exception RuntimeError raised to indicate an error in parameters | |
| 449 | |
| 450 Note: only one of name or prefix must be given. | |
| 451 """ | |
| 452 if name and prefix: | |
| 453 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 454 | |
| 455 if not name and not prefix: | |
| 456 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 457 | |
| 458 if packages: | |
| 459 args = [ | |
| 460 "install", | |
| 461 "--json", | |
| 462 "--yes", | |
| 463 ] | |
| 464 if name: | |
| 465 args.extend(["--name", name]) | |
| 466 elif prefix: | |
| 467 args.extend(["--prefix", prefix]) | |
| 468 args.extend(packages) | |
| 469 | |
| 470 dlg = CondaExecDialog("install", self.__ui) | |
| 471 dlg.start(args) | |
| 472 dlg.exec() | |
| 473 ok, _ = dlg.getResult() | |
| 474 else: | |
| 475 ok = False | |
| 476 | |
| 477 return ok | |
| 478 | |
| 479 def uninstallPackages(self, packages, name="", prefix=""): | |
| 480 """ | |
| 481 Public method to uninstall packages of a conda environment (including | |
| 482 all no longer needed dependencies). | |
| 483 | |
| 484 @param packages list of package names to be uninstalled | |
| 485 @type list of str | |
| 486 @param name name of the environment | |
| 487 @type str | |
| 488 @param prefix prefix of the environment | |
| 489 @type str | |
| 490 @return flag indicating success | |
| 491 @rtype bool | |
| 492 @exception RuntimeError raised to indicate an error in parameters | |
| 493 | |
| 494 Note: only one of name or prefix must be given. | |
| 495 """ | |
| 496 if name and prefix: | |
| 497 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 498 | |
| 499 if not name and not prefix: | |
| 500 raise RuntimeError("One of 'name' or 'prefix' must be given.") | |
| 501 | |
| 502 if packages: | |
| 503 from UI.DeleteFilesConfirmationDialog import ( | |
| 504 DeleteFilesConfirmationDialog) | |
| 505 dlg = DeleteFilesConfirmationDialog( | |
| 506 self.parent(), | |
| 507 self.tr("Uninstall Packages"), | |
| 508 self.tr( | |
| 509 "Do you really want to uninstall these packages and" | |
| 510 " their dependencies?"), | |
| 511 packages) | |
| 512 if dlg.exec() == QDialog.DialogCode.Accepted: | |
| 513 args = [ | |
| 514 "remove", | |
| 515 "--json", | |
| 516 "--yes", | |
| 517 ] | |
| 518 if condaVersion() >= (4, 4, 0): | |
| 519 args.append("--prune",) | |
| 520 if name: | |
| 521 args.extend(["--name", name]) | |
| 522 elif prefix: | |
| 523 args.extend(["--prefix", prefix]) | |
| 524 args.extend(packages) | |
| 525 | |
| 526 dlg = CondaExecDialog("remove", self.__ui) | |
| 527 dlg.start(args) | |
| 528 dlg.exec() | |
| 529 ok, _ = dlg.getResult() | |
| 530 else: | |
| 531 ok = False | |
| 532 else: | |
| 533 ok = False | |
| 534 | |
| 535 return ok | |
| 536 | |
| 537 def searchPackages(self, pattern, fullNameOnly=False, packageSpec=False, | |
| 538 platform="", name="", prefix=""): | |
| 539 """ | |
| 540 Public method to search for a package pattern of a conda environment. | |
| 541 | |
| 542 @param pattern package search pattern | |
| 543 @type str | |
| 544 @param fullNameOnly flag indicating to search for full names only | |
| 545 @type bool | |
| 546 @param packageSpec flag indicating to search a package specification | |
| 547 @type bool | |
| 548 @param platform type of platform to be searched for | |
| 549 @type str | |
| 550 @param name name of the environment | |
| 551 @type str | |
| 552 @param prefix prefix of the environment | |
| 553 @type str | |
| 554 @return flag indicating success and a dictionary with package name as | |
| 555 key and list of dictionaries containing detailed data for the found | |
| 556 packages as values | |
| 557 @rtype tuple of (bool, dict of list of dict) | |
| 558 @exception RuntimeError raised to indicate an error in parameters | |
| 559 | |
| 560 Note: only one of name or prefix must be given. | |
| 561 """ | |
| 562 if name and prefix: | |
| 563 raise RuntimeError("Only one of 'name' or 'prefix' must be given.") | |
| 564 | |
| 565 args = [ | |
| 566 "search", | |
| 567 "--json", | |
| 568 ] | |
| 569 if fullNameOnly: | |
| 570 args.append("--full-name") | |
| 571 if packageSpec: | |
| 572 args.append("--spec") | |
| 573 if platform: | |
| 574 args.extend(["--platform", platform]) | |
| 575 if name: | |
| 576 args.extend(["--name", name]) | |
| 577 elif prefix: | |
| 578 args.extend(["--prefix", prefix]) | |
| 579 args.append(pattern) | |
| 580 | |
| 581 exe = Preferences.getConda("CondaExecutable") | |
| 582 if not exe: | |
| 583 exe = "conda" | |
| 584 | |
| 585 packages = {} | |
| 586 ok = False | |
| 587 | |
| 588 proc = QProcess() | |
| 589 proc.start(exe, args) | |
| 590 if proc.waitForStarted(15000) and proc.waitForFinished(30000): | |
| 591 output = str(proc.readAllStandardOutput(), | |
| 592 Preferences.getSystem("IOEncoding"), | |
| 593 'replace').strip() | |
| 594 with contextlib.suppress(Exception): | |
| 595 packages = json.loads(output) | |
| 596 ok = "error" not in packages | |
| 597 | |
| 598 return ok, packages | |
| 599 | |
| 600 ####################################################################### | |
| 601 ## special methods below | |
| 602 ####################################################################### | |
| 603 | |
| 604 def updateConda(self): | |
| 605 """ | |
| 606 Public method to update conda itself. | |
| 607 | |
| 608 @return flag indicating success | |
| 609 @rtype bool | |
| 610 """ | |
| 611 args = [ | |
| 612 "update", | |
| 613 "--json", | |
| 614 "--yes", | |
| 615 "conda" | |
| 616 ] | |
| 617 | |
| 618 dlg = CondaExecDialog("update", self.__ui) | |
| 619 dlg.start(args) | |
| 620 dlg.exec() | |
| 621 ok, _ = dlg.getResult() | |
| 622 | |
| 623 return ok | |
| 624 | |
| 625 def writeDefaultConfiguration(self): | |
| 626 """ | |
| 627 Public method to create a conda configuration with default values. | |
| 628 """ | |
| 629 args = [ | |
| 630 "config", | |
| 631 "--write-default", | |
| 632 "--quiet" | |
| 633 ] | |
| 634 | |
| 635 exe = Preferences.getConda("CondaExecutable") | |
| 636 if not exe: | |
| 637 exe = "conda" | |
| 638 | |
| 639 proc = QProcess() | |
| 640 proc.start(exe, args) | |
| 641 proc.waitForStarted(15000) | |
| 642 proc.waitForFinished(30000) | |
| 643 | |
| 644 def getCondaInformation(self): | |
| 645 """ | |
| 646 Public method to get a dictionary containing information about conda. | |
| 647 | |
| 648 @return dictionary containing information about conda | |
| 649 @rtype dict | |
| 650 """ | |
| 651 exe = Preferences.getConda("CondaExecutable") | |
| 652 if not exe: | |
| 653 exe = "conda" | |
| 654 | |
| 655 infoDict = {} | |
| 656 | |
| 657 proc = QProcess() | |
| 658 proc.start(exe, ["info", "--json"]) | |
| 659 if proc.waitForStarted(15000) and proc.waitForFinished(30000): | |
| 660 output = str(proc.readAllStandardOutput(), | |
| 661 Preferences.getSystem("IOEncoding"), | |
| 662 'replace').strip() | |
| 663 try: | |
| 664 infoDict = json.loads(output) | |
| 665 except Exception: | |
| 666 infoDict = {} | |
| 667 | |
| 668 return infoDict | |
| 669 | |
| 670 def runProcess(self, args): | |
| 671 """ | |
| 672 Public method to execute the conda with the given arguments. | |
| 673 | |
| 674 The conda executable is called with the given arguments and | |
| 675 waited for its end. | |
| 676 | |
| 677 @param args list of command line arguments | |
| 678 @type list of str | |
| 679 @return tuple containing a flag indicating success and the output | |
| 680 of the process | |
| 681 @rtype tuple of (bool, str) | |
| 682 """ | |
| 683 exe = Preferences.getConda("CondaExecutable") | |
| 684 if not exe: | |
| 685 exe = "conda" | |
| 686 | |
| 687 process = QProcess() | |
| 688 process.start(exe, args) | |
| 689 procStarted = process.waitForStarted(15000) | |
| 690 if procStarted: | |
| 691 finished = process.waitForFinished(30000) | |
| 692 if finished: | |
| 693 if process.exitCode() == 0: | |
| 694 output = str(process.readAllStandardOutput(), | |
| 695 Preferences.getSystem("IOEncoding"), | |
| 696 'replace').strip() | |
| 697 return True, output | |
| 698 else: | |
| 699 return (False, | |
| 700 self.tr("conda exited with an error ({0}).") | |
| 701 .format(process.exitCode())) | |
| 702 else: | |
| 703 process.terminate() | |
| 704 process.waitForFinished(2000) | |
| 705 process.kill() | |
| 706 process.waitForFinished(3000) | |
| 707 return False, self.tr("conda did not finish within" | |
| 708 " 3 seconds.") | |
| 709 | |
| 710 return False, self.tr("conda could not be started.") | |
| 711 | |
| 712 def cleanConda(self, cleanAction): | |
| 713 """ | |
| 714 Public method to update conda itself. | |
| 715 | |
| 716 @param cleanAction cleaning action to be performed (must be one of | |
| 717 the command line parameters without '--') | |
| 718 @type str | |
| 719 """ | |
| 720 args = [ | |
| 721 "clean", | |
| 722 "--yes", | |
| 723 "--{0}".format(cleanAction), | |
| 724 ] | |
| 725 | |
| 726 dlg = CondaExecDialog("clean", self.__ui) | |
| 727 dlg.start(args) | |
| 728 dlg.exec() |
