2018-02-02 06:08:08 +00:00
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import re
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import os
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import datetime
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2020-02-15 16:07:48 +00:00
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import requests
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2018-02-02 06:08:08 +00:00
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2019-09-08 12:54:51 +00:00
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from distutils.version import LooseVersion as V
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2018-02-02 06:08:08 +00:00
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from .python import PythonBuildPack
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2021-12-17 10:14:49 +00:00
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from ._r_base import rstudio_base_scripts
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2018-02-02 06:08:08 +00:00
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2018-05-23 13:52:24 +00:00
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2018-02-02 06:08:08 +00:00
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class RBuildPack(PythonBuildPack):
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"""
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Setup R for use with a repository
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This sets up R + RStudio + IRKernel for a repository that contains:
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2018-02-03 01:38:36 +00:00
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1. A `runtime.txt` file with the text:
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2018-02-02 06:08:08 +00:00
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2018-02-03 01:38:36 +00:00
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r-<year>-<month>-<date>
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2018-02-02 06:08:08 +00:00
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2018-02-03 01:38:36 +00:00
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Where 'year', 'month' and 'date' refer to a specific
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2021-12-17 09:47:44 +00:00
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date whose CRAN snapshot we will use to fetch packages.
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Uses https://packagemanager.rstudio.com, or MRAN if no snapshot
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is found on packagemanager.rstudio.com
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2018-02-02 06:08:08 +00:00
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2018-10-30 15:03:38 +00:00
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2. A `DESCRIPTION` file signaling an R package
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2018-10-30 09:32:42 +00:00
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2021-12-17 09:47:44 +00:00
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If there is no `runtime.txt`, then the CRAN snapshot is set to latest
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2018-10-30 15:03:38 +00:00
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date that is guaranteed to exist across timezones.
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2018-11-07 17:52:23 +00:00
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Additional R packages are installed if specified either
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2018-10-30 15:03:38 +00:00
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- in a file `install.R`, that will be executed at build time,
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2021-12-17 09:47:44 +00:00
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and can be used for installing packages from both CRAN and GitHub
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2018-10-30 15:03:38 +00:00
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- as dependencies in a `DESCRIPTION` file
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2020-11-11 09:57:04 +00:00
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- are needed by a specific tool
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2018-02-02 06:08:08 +00:00
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2018-02-03 01:38:36 +00:00
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The `r-base` package from Ubuntu apt repositories is used to install
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R itself, rather than any of the methods from https://cran.r-project.org/.
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2019-10-05 18:13:55 +00:00
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The `r-base-dev` package is installed as advised in RStudio instructions.
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2018-02-02 06:08:08 +00:00
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"""
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2019-05-31 09:10:17 +00:00
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2018-02-02 06:08:08 +00:00
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@property
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def runtime(self):
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"""
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Return contents of runtime.txt if it exists, '' otherwise
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"""
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2019-05-31 09:10:17 +00:00
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if not hasattr(self, "_runtime"):
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runtime_path = self.binder_path("runtime.txt")
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2018-02-02 06:08:08 +00:00
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try:
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with open(runtime_path) as f:
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self._runtime = f.read().strip()
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except FileNotFoundError:
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2019-05-31 09:10:17 +00:00
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self._runtime = ""
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2018-02-02 06:08:08 +00:00
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return self._runtime
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2019-09-03 05:20:38 +00:00
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@property
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def r_version(self):
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"""Detect the R version for a given `runtime.txt`
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2019-09-06 11:52:51 +00:00
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Will return the version specified by the user or the current default
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version.
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2019-09-03 05:20:38 +00:00
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"""
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2019-09-06 11:52:51 +00:00
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version_map = {
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2019-09-08 14:02:53 +00:00
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"3.4": "3.4",
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2019-09-06 11:52:51 +00:00
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"3.5": "3.5.3-1bionic",
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"3.5.0": "3.5.0-1bionic",
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"3.5.1": "3.5.1-2bionic",
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"3.5.2": "3.5.2-1bionic",
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"3.5.3": "3.5.3-1bionic",
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"3.6": "3.6.1-3bionic",
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"3.6.0": "3.6.0-2bionic",
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"3.6.1": "3.6.1-3bionic",
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2020-09-14 09:55:52 +00:00
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"4.0": "4.0.2-1.1804.0",
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"4.0.2": "4.0.2-1.1804.0",
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2021-12-16 06:45:16 +00:00
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"4.1": "4.1.2-1.1804.0",
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2019-09-06 11:52:51 +00:00
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}
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# the default if nothing is specified
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r_version = "3.6"
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2019-09-03 05:20:38 +00:00
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if not hasattr(self, "_r_version"):
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2019-09-06 10:12:06 +00:00
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parts = self.runtime.split("-")
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if len(parts) == 5:
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2019-09-06 11:52:51 +00:00
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r_version = parts[1]
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2019-09-08 14:02:53 +00:00
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if r_version not in version_map:
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raise ValueError(
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"Version '{}' of R is not supported.".format(r_version)
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)
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2019-09-06 11:52:51 +00:00
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2019-09-08 14:02:53 +00:00
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# translate to the full version string
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self._r_version = version_map.get(r_version)
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2019-09-03 05:20:38 +00:00
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return self._r_version
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2018-02-02 06:08:08 +00:00
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@property
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def checkpoint_date(self):
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"""
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2021-12-17 09:47:44 +00:00
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Return the date of CRAN checkpoint to use for this repo
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2018-02-02 06:08:08 +00:00
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Returns '' if no date is specified
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"""
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2019-05-31 09:10:17 +00:00
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if not hasattr(self, "_checkpoint_date"):
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2019-09-06 11:52:51 +00:00
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match = re.match(r"r-(\d.\d(.\d)?-)?(\d\d\d\d)-(\d\d)-(\d\d)", self.runtime)
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2018-02-02 06:08:08 +00:00
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if not match:
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self._checkpoint_date = False
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2018-02-02 17:37:56 +00:00
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else:
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2019-09-03 05:20:38 +00:00
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# turn the last three groups of the match into a date
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self._checkpoint_date = datetime.date(
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*[int(s) for s in match.groups()[-3:]]
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)
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2018-02-02 06:08:08 +00:00
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return self._checkpoint_date
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def detect(self):
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"""
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Check if current repo should be built with the R Build pack
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2018-11-09 06:40:39 +00:00
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super().detect() is not called in this function - it would return
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false unless a `requirements.txt` is present and we do not want
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to require the presence of a `requirements.txt` to use R.
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2018-02-02 06:08:08 +00:00
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"""
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2018-02-03 01:38:36 +00:00
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# If no date is found, then self.checkpoint_date will be False
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# Otherwise, it'll be a date object, which will evaluate to True
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2018-09-25 08:53:46 +00:00
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if self.checkpoint_date:
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2018-09-20 17:58:45 +00:00
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return True
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2018-10-30 09:32:42 +00:00
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2019-05-31 09:10:17 +00:00
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description_R = "DESCRIPTION"
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2020-11-11 09:57:04 +00:00
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if not self.binder_dir and os.path.exists(description_R):
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2018-10-30 15:02:40 +00:00
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if not self.checkpoint_date:
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# no R snapshot date set through runtime.txt
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2021-12-17 08:30:12 +00:00
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# Set it to two days ago from today
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self._checkpoint_date = datetime.date.today() - datetime.timedelta(
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days=2
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2019-05-31 09:10:17 +00:00
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)
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2018-10-30 15:02:40 +00:00
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self._runtime = "r-{}".format(str(self._checkpoint_date))
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return True
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2018-02-02 06:08:08 +00:00
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def get_path(self):
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2018-02-03 01:38:36 +00:00
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"""
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Return paths to be added to the PATH environment variable.
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The RStudio package installs its binaries in a non-standard path,
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so we explicitly add that path to PATH.
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"""
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2019-05-31 09:10:17 +00:00
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return super().get_path() + ["/usr/lib/rstudio-server/bin/"]
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2018-02-02 06:08:08 +00:00
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2018-05-11 12:54:17 +00:00
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def get_build_env(self):
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2018-02-03 01:38:36 +00:00
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"""
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Return environment variables to be set.
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We want libraries to be installed in a path that users can write to
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without needing root. This is set via the `R_LIBS_USER` environment
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variable, so we set that here.
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"""
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2018-05-11 12:54:17 +00:00
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return super().get_build_env() + [
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2018-02-02 06:08:08 +00:00
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# This is the path where user libraries are installed
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2019-05-31 09:10:17 +00:00
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("R_LIBS_USER", "${APP_BASE}/rlibs")
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2018-02-02 06:08:08 +00:00
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]
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def get_packages(self):
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2018-02-03 01:38:36 +00:00
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"""
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Return list of packages to be installed.
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We install a base version of R, and packages required for RStudio to
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be installed.
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"""
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2019-09-03 05:20:38 +00:00
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packages = [
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# For rstudio
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"psmisc",
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"libapparmor1",
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"sudo",
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"lsb-release",
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]
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2019-09-06 11:52:51 +00:00
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# For R 3.4 we use the default Ubuntu package, for other versions we
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# install from a different PPA
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2019-09-08 12:54:51 +00:00
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if V(self.r_version) < V("3.5"):
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2019-10-05 18:58:37 +00:00
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packages.append("r-base")
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packages.append("r-base-dev")
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2019-10-06 14:02:27 +00:00
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packages.append("libclang-dev")
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2019-09-03 05:20:38 +00:00
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return super().get_packages().union(packages)
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2018-02-02 06:08:08 +00:00
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2021-12-17 08:30:12 +00:00
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def get_cran_mirror_url(self, snapshot_date):
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# Call the API to find out if we have a snapshot available for the given date.
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# If so, use the URL for that snapshot. If not, fall back to MRAN.
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snapshots = requests.post(
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"https://packagemanager.rstudio.com/__api__/url",
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# Ask for midnight UTC snapshot
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json={
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"repo": "all",
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"snapshot": snapshot_date.strftime("%Y-%m-%dT00:00:00Z"),
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},
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).json()
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# Construct a snapshot URL that will give us binary packages for Ubuntu Bionic (18.04)
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if "upsi" in snapshots:
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return (
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"https://packagemanager.rstudio.com/all/__linux__/bionic/"
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+ snapshots["upsi"]
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2020-02-15 16:07:48 +00:00
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)
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2021-12-17 08:30:12 +00:00
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# Fall back to MRAN if packagemanager.rstudio.com doesn't have it
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return "https://mran.microsoft.com/snapshot/{}".format(
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snapshot_date.isoformat()
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)
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2020-02-15 16:07:48 +00:00
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2021-12-17 10:14:49 +00:00
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def get_devtools_snapshot_date(self):
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"""
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Return date of snapshot to use for getting devtools install
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devtools is part of our 'core' base install, so we should have some
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control over what version we install here.
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"""
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2021-12-17 10:26:00 +00:00
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if V(self.r_version) <= V("4.0"):
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2021-12-17 10:14:49 +00:00
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# IRKernel gets into CRAN on Nov 16 2018 (https://packagemanager.rstudio.com/client/#/repos/1/packages/IRkernel),
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# so we try snapshot to just after that.
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return datetime.date(2018, 12, 1)
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return datetime.date(2021, 12, 16)
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2018-02-02 06:08:08 +00:00
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def get_build_scripts(self):
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2018-02-03 01:38:36 +00:00
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"""
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Return series of build-steps common to all R repositories
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All scripts here should be independent of contents of the repository.
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This sets up:
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2018-11-09 06:40:39 +00:00
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- A directory owned by non-root in ${R_LIBS_USER}
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for installing R packages into
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2018-02-03 01:38:36 +00:00
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- RStudio
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2018-11-09 06:40:39 +00:00
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- R's devtools package, at a particular frozen version
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2021-12-17 09:47:44 +00:00
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(determined by CRAN)
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2018-02-03 01:38:36 +00:00
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- IRKernel
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- nbrsessionproxy (to access RStudio via Jupyter Notebook)
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2019-06-25 11:15:45 +00:00
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We set the snapshot date used to install R libraries from based on the
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contents of runtime.txt.
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2018-02-03 01:38:36 +00:00
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"""
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2019-10-07 07:14:26 +00:00
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2021-12-17 08:30:12 +00:00
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cran_mirror_url = self.get_cran_mirror_url(self.checkpoint_date)
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2019-06-25 11:15:45 +00:00
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2021-12-20 12:39:24 +00:00
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# Determine which R apt repository should be enabled
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2019-09-08 12:54:51 +00:00
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if V(self.r_version) >= V("3.5"):
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2020-09-14 09:55:52 +00:00
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if V(self.r_version) >= V("4"):
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vs = "40"
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else:
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vs = "35"
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2021-12-20 12:39:24 +00:00
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scripts = [
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(
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"root",
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rf"""
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echo "deb https://cloud.r-project.org/bin/linux/ubuntu bionic-cran{vs}/" > /etc/apt/sources.list.d/r-ubuntu.list
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""",
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),
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# Dont use apt-key directly, as gpg does not always respect *_proxy vars. This increase the chances
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# of being able to reach it from behind a firewall
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(
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"root",
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r"""
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wget --quiet -O - 'https://keyserver.ubuntu.com/pks/lookup?op=get&search=0xe298a3a825c0d65dfd57cbb651716619e084dab9' | apt-key add -
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""",
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),
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(
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"root",
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r"""
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apt-get update > /dev/null && \
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apt-get install --yes r-base={R_version} \
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r-base-dev={R_version} \
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r-recommended={R_version} \
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libclang-dev \
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libzmq3-dev > /dev/null && \
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apt-get -qq purge && \
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apt-get -qq clean && \
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rm -rf /var/lib/apt/lists/*
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""".format(
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R_version=self.r_version
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2019-09-03 05:20:38 +00:00
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),
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2021-12-20 12:39:24 +00:00
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),
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]
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scripts += rstudio_base_scripts(self.r_version)
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2019-09-03 05:20:38 +00:00
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2021-12-20 12:39:24 +00:00
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scripts += [
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2018-02-02 06:08:08 +00:00
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(
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"root",
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r"""
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mkdir -p ${R_LIBS_USER} && \
|
|
|
|
chown -R ${NB_USER}:${NB_USER} ${R_LIBS_USER}
|
2019-05-31 09:10:17 +00:00
|
|
|
""",
|
2021-12-20 12:39:24 +00:00
|
|
|
),
|
2018-02-14 01:56:42 +00:00
|
|
|
(
|
|
|
|
"root",
|
2018-03-13 20:13:03 +00:00
|
|
|
# Set paths so that RStudio shares libraries with base R
|
|
|
|
# install. This first comments out any R_LIBS_USER that
|
|
|
|
# might be set in /etc/R/Renviron and then sets it.
|
2018-02-14 01:56:42 +00:00
|
|
|
r"""
|
2018-03-13 20:13:03 +00:00
|
|
|
sed -i -e '/^R_LIBS_USER=/s/^/#/' /etc/R/Renviron && \
|
|
|
|
echo "R_LIBS_USER=${R_LIBS_USER}" >> /etc/R/Renviron
|
2019-05-31 09:10:17 +00:00
|
|
|
""",
|
2018-02-14 01:56:42 +00:00
|
|
|
),
|
2018-02-03 01:38:36 +00:00
|
|
|
(
|
2021-12-17 08:30:12 +00:00
|
|
|
"root",
|
|
|
|
# RStudio's CRAN mirror needs this to figure out which binary package to serve.
|
|
|
|
# If not set properly, it will just serve up source packages
|
|
|
|
# Quite hilarious, IMO.
|
|
|
|
# See https://docs.rstudio.com/rspm/admin/binaries.html
|
|
|
|
# Set mirror for RStudio too
|
2018-02-03 01:38:36 +00:00
|
|
|
r"""
|
2021-12-17 08:30:12 +00:00
|
|
|
R RHOME && \
|
|
|
|
mkdir -p /usr/lib/R/etc /etc/rstudio && \
|
|
|
|
echo 'options(repos = c(CRAN = "{cran_mirror_url}"))' > /usr/lib/R/etc/Rprofile.site && \
|
|
|
|
echo 'options(HTTPUserAgent = sprintf("R/%s R (%s)", getRversion(), paste(getRversion(), R.version$platform, R.version$arch, R.version$os)))' >> /usr/lib/R/etc/Rprofile.site && \
|
|
|
|
echo 'r-cran-repos={cran_mirror_url}' > /etc/rstudio/rsession.conf
|
2018-02-03 01:38:36 +00:00
|
|
|
""".format(
|
2021-12-17 08:30:12 +00:00
|
|
|
cran_mirror_url=cran_mirror_url
|
2019-05-31 09:10:17 +00:00
|
|
|
),
|
2018-05-24 16:48:17 +00:00
|
|
|
),
|
|
|
|
(
|
|
|
|
"${NB_USER}",
|
2021-12-17 10:14:49 +00:00
|
|
|
# Install a pinner version of devtools, IRKernel and shiny
|
2018-05-24 16:48:17 +00:00
|
|
|
r"""
|
2021-12-17 10:14:49 +00:00
|
|
|
R --quiet -e "install.packages(c('devtools', 'IRkernel', 'shiny'), repos='{devtools_cran_mirror_url}')" && \
|
2021-12-17 08:30:12 +00:00
|
|
|
R --quiet -e "IRkernel::installspec(prefix='$NB_PYTHON_PREFIX')"
|
2018-05-25 06:14:14 +00:00
|
|
|
""".format(
|
2021-12-17 10:26:00 +00:00
|
|
|
devtools_cran_mirror_url=self.get_cran_mirror_url(
|
|
|
|
self.get_devtools_snapshot_date()
|
|
|
|
),
|
2019-05-31 09:10:17 +00:00
|
|
|
),
|
2021-12-17 10:26:00 +00:00
|
|
|
),
|
2018-02-03 01:38:36 +00:00
|
|
|
]
|
|
|
|
|
2019-06-25 11:15:45 +00:00
|
|
|
return super().get_build_scripts() + scripts
|
|
|
|
|
2019-06-29 09:52:01 +00:00
|
|
|
def get_preassemble_script_files(self):
|
2019-07-23 05:33:06 +00:00
|
|
|
files = super().get_preassemble_script_files()
|
2019-06-29 09:52:01 +00:00
|
|
|
installR_path = self.binder_path("install.R")
|
|
|
|
if os.path.exists(installR_path):
|
|
|
|
files[installR_path] = installR_path
|
|
|
|
|
|
|
|
return files
|
|
|
|
|
2019-06-25 11:42:46 +00:00
|
|
|
def get_preassemble_scripts(self):
|
2019-06-29 09:52:01 +00:00
|
|
|
"""Install contents of install.R
|
|
|
|
|
|
|
|
Attempt to execute `install.R` before copying the contents of the
|
|
|
|
repository. We speculate that most of the time we do not need access.
|
|
|
|
In case this fails we re-run it after copying the repository contents.
|
|
|
|
|
|
|
|
The advantage of executing it before copying is that minor edits to the
|
|
|
|
repository content will not trigger a re-install making things faster.
|
|
|
|
"""
|
2019-06-25 11:42:46 +00:00
|
|
|
scripts = []
|
2019-06-25 11:15:45 +00:00
|
|
|
|
2019-05-31 09:10:17 +00:00
|
|
|
installR_path = self.binder_path("install.R")
|
2018-03-15 15:22:01 +00:00
|
|
|
if os.path.exists(installR_path):
|
2019-06-29 09:52:01 +00:00
|
|
|
scripts += [
|
|
|
|
(
|
|
|
|
"${NB_USER}",
|
|
|
|
"Rscript %s && touch /tmp/.preassembled || true" % installR_path,
|
|
|
|
)
|
|
|
|
]
|
2019-06-25 11:42:46 +00:00
|
|
|
|
|
|
|
return super().get_preassemble_scripts() + scripts
|
|
|
|
|
|
|
|
def get_assemble_scripts(self):
|
2019-06-29 09:52:01 +00:00
|
|
|
"""Install the dependencies of or the repository itself"""
|
2019-06-25 11:42:46 +00:00
|
|
|
assemble_scripts = super().get_assemble_scripts()
|
2018-02-02 06:08:08 +00:00
|
|
|
|
2019-06-29 09:52:01 +00:00
|
|
|
installR_path = self.binder_path("install.R")
|
|
|
|
if os.path.exists(installR_path):
|
|
|
|
assemble_scripts += [
|
|
|
|
(
|
|
|
|
"${NB_USER}",
|
|
|
|
# only run install.R if the pre-assembly failed
|
|
|
|
"if [ ! -f /tmp/.preassembled ]; then Rscript {}; fi".format(
|
|
|
|
installR_path
|
|
|
|
),
|
|
|
|
)
|
|
|
|
]
|
|
|
|
|
2019-05-31 09:10:17 +00:00
|
|
|
description_R = "DESCRIPTION"
|
2019-04-27 21:28:50 +00:00
|
|
|
if not self.binder_dir and os.path.exists(description_R):
|
2018-09-17 11:18:33 +00:00
|
|
|
assemble_scripts += [
|
2019-05-31 09:10:17 +00:00
|
|
|
("${NB_USER}", 'R --quiet -e "devtools::install_local(getwd())"')
|
2018-09-17 11:18:33 +00:00
|
|
|
]
|
|
|
|
|
2018-02-02 06:08:08 +00:00
|
|
|
return assemble_scripts
|