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Update 23-01-2020

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Bruno 21
2020-01-25 06:47:22 +01:00
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# conda
**conda** est le gestionnaire de paquet et d'environnement fourni avec Anaconda.
**miniconda** est l'installateur de conda. Il installe conda, Python et les paquets de base.
### Installer conda:
2 façons (miniconda ou anaconda):
1. Télécharger [miniconda](https://docs.conda.io/en/latest/miniconda.html) puis
```bash
$ bash Miniconda3-latest-MacOSX-x86_64.sh
```
2. Télécharger [anaconda](https://www.anaconda.com/distribution/) puis double-cliquer sur le .pkg
##### conda init
Initialize conda for shell interaction. (nécessaire pour les commandes `conda activate` et `conda deactivate` )
Shell bash:
```bash
$ conda init
```
Ajoute au .bash_profile:
```bash
# >>> conda initialize >>>
# !! Contents within this block are managed by 'conda init' !!
__conda_setup="$('/Users/bruno/miniconda3/bin/conda' 'shell.bash' 'hook' 2> /dev/null)"
if [ $? -eq 0 ]; then
eval "$__conda_setup"
else
if [ -f "/Users/bruno/miniconda3/etc/profile.d/conda.sh" ]; then
. "/Users/bruno/miniconda3/etc/profile.d/conda.sh"
else
export PATH="/Users/bruno/miniconda3/bin:$PATH"
fi
fi
unset __conda_setup
# <<< conda initialize <<<
```
Shell zsh:
```bash
$ conda init zsh
```
Ajoute au .zshrc
```bash
# >>> conda initialize >>>
# !! Contents within this block are managed by 'conda init' !!
__conda_setup="$('/Users/bruno/miniconda3/bin/conda' 'shell.zsh' 'hook' 2> /dev/null)"
if [ $? -eq 0 ]; then
eval "$__conda_setup"
else
if [ -f "/Users/bruno/miniconda3/etc/profile.d/conda.sh" ]; then
. "/Users/bruno/miniconda3/etc/profile.d/conda.sh"
else
export PATH="/Users/bruno/miniconda3/bin:$PATH"
fi
fi
unset __conda_setup
# <<< conda initialize <<<
```
##### conda init --reverse
Dé-initialise conda
```bash
$ conda init --reverse # bash
```
```bash
$ conda init zsh --reverse # zsh
```
Ajouter miniconda3 au $PATH
```bash
export PATH="$HOME/miniconda3/bin:$PATH"
$ which python
/Users/bruno/miniconda3/bin/python
# export PATH="$HOME/miniconda3/bin:$PATH"
$ which python
/usr/local/bin/python
```
### Mettre à jour conda:
```bash
$ conda update conda
Collecting package metadata (current_repodata.json): done
Solving environment: done
## Package Plan ##
environment location: /Users/bruno/miniconda3
added / updated specs:
- conda
The following packages will be downloaded:
package | build
---------------------------|-----------------
cffi-1.13.2 | py37hb5b8e2f_0 218 KB
setuptools-41.6.0 | py37_0 641 KB
six-1.13.0 | py37_0 26 KB
sqlite-3.30.1 | ha441bb4_0 2.4 MB
tqdm-4.38.0 | py_0 51 KB
------------------------------------------------------------
Total: 3.3 MB
The following packages will be UPDATED:
cffi 1.13.0-py37hb5b8e2f_0 --> 1.13.2-py37hb5b8e2f_0
setuptools 41.4.0-py37_0 --> 41.6.0-py37_0
six 1.12.0-py37_0 --> 1.13.0-py37_0
sqlite 3.30.0-ha441bb4_0 --> 3.30.1-ha441bb4_0
tqdm 4.36.1-py_0 --> 4.38.0-py_0
Proceed ([y]/n)? y
Downloading and Extracting Packages
six-1.13.0 | 26 KB | ##################################################################################################### | 100%
sqlite-3.30.1 | 2.4 MB | ##################################################################################################### | 100%
cffi-1.13.2 | 218 KB | ##################################################################################################### | 100%
tqdm-4.38.0 | 51 KB | ##################################################################################################### | 100%
setuptools-41.6.0 | 641 KB | ##################################################################################################### | 100%
Preparing transaction: done
Verifying transaction: done
Executing transaction: done
```
### Installer une application:
Par exemple, [Spleeter](https://github.com/deezer/spleeter)
```bash
$ git clone https://github.com/Deezer/spleeter
$ conda env create -f spleeter/conda/spleeter-cpu.yaml
$ conda activate spleeter-cpu
$ spleeter separate -i spleeter/audio_example.mp3 -p spleeter:2stems -o output
$ conda deactivate
```
##### Lister les paquets installés:
```bash
$ conda list
# packages in environment at /Users/bruno/miniconda3:
#
# Name Version Build Channel
asn1crypto 1.2.0 py37_0
ca-certificates 2019.10.16 0
certifi 2019.9.11 py37_0
cffi 1.13.2 py37hb5b8e2f_0
chardet 3.0.4 py37_1003
conda 4.7.12 py37_0
...
six 1.13.0 py37_0
sqlite 3.30.1 ha441bb4_0
```
Dans l'environnement spleeter-cpu:
```bash
$ conda list -n spleeter-cpu
# packages in environment at /Users/bruno/miniconda3/envs/spleeter-cpu:
#
# Name Version Build Channel
_tflow_select 2.3.0 mkl anaconda
absl-py 0.8.1 py37_0 conda-forge
...
setuptools 41.6.0 py37_1 conda-forge
simplejson 3.17.0 pypi_0 pypi
six 1.13.0 py37_0 conda-forge
soundfile 0.10.2 pypi_0 pypi
spleeter 1.4.3 pypi_0 pypi
sqlite 3.30.1 h93121df_0 conda-forge
```
##### Mettre à jour un paquet:
```bash
$ conda update six
Collecting package metadata (current_repodata.json): done
Solving environment: done
# All requested packages already installed.
```
```bash
$ conda update -n spleeter-cpu spleeter
```
##### Mettre à jour tous les paquets:
```bash
$ conda update --all
Collecting package metadata (current_repodata.json): done
Solving environment: done
==> WARNING: A newer version of conda exists. <==
current version: 4.7.12
latest version: 4.8.0rc0
Please update conda by running
$ conda update -n base -c defaults conda
## Package Plan ##
environment location: /Users/bruno/miniconda3
The following packages will be downloaded:
package | build
---------------------------|-----------------
python-3.7.5 | h359304d_0 18.1 MB
------------------------------------------------------------
Total: 18.1 MB
The following packages will be UPDATED:
python 3.7.4-h359304d_1 --> 3.7.5-h359304d_0
Proceed ([y]/n)? n
```

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#### Mkdocs
Mkdocs si'installe dans `/usr/local/bin` :
Il faut installer Mkdocs avec pip dans --user
```bash
bruno@silverbook:/usr/local/bin$ ./mkdocs --version
mkdocs, version 0.17.2
$ pip3 install --user mkdocs
```
Par défaut, c'est **mkdocs** installé avec Python 2 (macOS) qui se lance.
Pour utiliser **mkdocs** installé pour Python 3 (Homebrew):
Mkdocs s'installe dans `'/Users/bruno/Library/Python/3.7/bin'` :
```bash
bruno@silverbook:~/project$ /usr/local/bin/mkdocs serve
~/Library/Python/3.7/bin$ ./mkdocs --version
mkdocs, version 1.0.4 from /Users/bruno/Library/Python/3.7/lib/python/site-packages/mkdocs (Python 3.7)
```
On peut ajouter le chemin au $PATH, en ajoutant la ligne suivante au .zshrc ou .bash_profile:
```bash
export PATH=/Users/bruno/Library/Python/3.7/bin:$PATH
```
Par comparaison, les extensions Python 2 s'installent dans `/Library/Python/2.7/site-packages/`
**Mkdocs** si'installe dans `~/Library/Python/2.7/bin` :
On installe de la même manière le thème [Material](https://squidfunk.github.io/mkdocs-material/getting-started/):
```bash
bruno@silverbook:~/Library/Python/2.7/bin$ ./mkdocs --version
mkdocs, version 0.17.2
$ pip3 install --user mkdocs-material
```