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Closed
10 of 12 tasks
oscu0 opened this issue Apr 25, 2018 · 2 comments
Closed
10 of 12 tasks

Install throws a Python exception #3001

oscu0 opened this issue Apr 25, 2018 · 2 comments

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@oscu0
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oscu0 commented Apr 25, 2018 •
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Issue Prelude

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Issue Details

  • What did you do?

Attempt to install YCM's engine

  • What actually happened?

Installation throws a DistutilsOptionError: must supply either home or prefix/exec-prefix -- not both exertion. Apparently it's linked to Homebrew's Python, and uninstalling that temporarily alleviated the error - however, the install hasn't failed before with the same configuration. While it is related to my configuration, having a Homebrew Python 2 is very common - it's a dependency of lots of things, such as mercurial. Python 3 is a dependency of Hombrew vim itself - even more problematic to uninstall. FAQ's advice re:Hombrew Python does not help and should probably be updated to include the --ignore-dependencies flag.

Diagnostic data

Output of `vim --version

gist

Output of YcmDebugInfo

Not applicable.

Contents of YCM, ycmd and completion engine logfiles

Not applicable.

OS version, distribution, etc.

macOS 10.13.4 17E202

Output of build/install commands

gist
@oscu0 oscu0 changed the title Install fails Install throws a Python exception Apr 25, 2018
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Is YCM working? The install actually didn’t fail.

@bstaletic bstaletic mentioned this issue Apr 26, 2018
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WARNING: cannot install the regex module. Unicode will not be fully supported.

This is ok. YCM will work fine without regex module.

@micbou micbou mentioned this issue Apr 27, 2018
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@bstaletic bstaletic mentioned this issue Apr 30, 2018
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zzbot added a commit to ycm-core/ycmd that referenced this issue May 2, 2018
@zzbot
Auto merge of #1017 - micbou:regex, r=bstaletic
fffda54 
[READY] Bundle and compile the regex module

It turns out that using pip to download and install the regex module in a specific folder is too much to ask. See issues ycm-core/YouCompleteMe#3001 and #1014. There is also the issue that pip is not always available. The default Python doesn't have pip on macOS and the `python-pip` or `python3-pip` packages must be installed on Ubuntu. We need a better solution.

This PR proposes to vendor the regex sources as a Git submodule and compile the module when running the `build.py` script. The [submodule](https://github.com/micbou/regex) is a clone of [the official repository](https://bitbucket.org/mrabarnett/mrab-regex) (which is a mercurial repository hosted on BitBucket) containing a `CMakeLists.txt` file to easily compile the module with CMake. We put the submodule in a different folder than `third_party/regex` to avoid the error that a directory already exists when pulling the changes with Git.

Finally, we add the `--no-regex` option to the `build.py` script to disable compilation of the regex module. This allows running the ycm_core tests or benchmarks without building the module.

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@micbou micbou mentioned this issue May 2, 2018
Merged
zzbot added a commit that referenced this issue May 2, 2018
@zzbot
Auto merge of #3010 - micbou:update-ycmd, r=bstaletic
36f716d 
[READY] Update ycmd

Include the following changes:

 - PR ycm-core/ycmd#919: cache include paths;
 - PR ycm-core/ycmd#1013: increase Python 2 requirement to 2.7.1;
 - PR ycm-core/ycmd#1015: force MSVC to treat source files as UTF-8 encoded;
 - PR ycm-core/ycmd#1017: bundle and compile the regex module;
 - PR ycm-core/ycmd#1020: use `sysconfig` instead of `distutils.sysconfig` in build script.

Fixes #3001.
Fixes #3007.

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@oscu0 @puremourning