Init mamba context from conda and delete code we do not know what it …

…does

mamba/mamba/api.py

@@ -4,7 +4,7 @@
 
 import libmambapy
 
-from .utils import get_index, load_channels
+from .utils import init_api_context, load_channels
 
 __all__ = ["MambaSolver", "create", "install"]
 
@@ -24,7 +24,6 @@ def __init__(self, channels, platform, context, output_folder=None):
         self.local_index = []
         self.local_repos = {}
         # load local repo, too
-        self.replace_channels()
 
     def replace_installed(self, prefix):
         prefix_data = libmambapy.PrefixData(prefix)
@@ -33,39 +32,6 @@ def replace_installed(self, prefix):
         repo = libmambapy.Repo(self.pool, prefix_data)
         repo.set_installed()
 
-    def replace_channels(self):
-        self.local_index = get_index(
-            (self.output_folder,), platform=self.platform, prepend=False
-        )
-
-        for _, v in self.local_repos.items():
-            v.clear(True)
-
-        start_prio = len(self.channels) + len(self.index)
-        for subdir, channel in self.local_index:
-            if not subdir.loaded():
-                continue
-
-            # support new mamba
-            if isinstance(channel, dict):
-                channelstr = channel["url"]
-                channelurl = channel["url"]
-            else:
-                channelstr = str(channel)
-                channelurl = channel.url(with_credentials=True)
-
-            cp = subdir.cache_path()
-            if cp.endswith(".solv"):
-                os.remove(subdir.cache_path())
-                cp = cp.replace(".solv", ".json")
-
-            self.local_repos[channelstr] = libmambapy.Repo(
-                self.pool, channelstr, cp, channelurl
-            )
-
-            self.local_repos[channelstr].set_priority(start_prio, 0)
-            start_prio -= 1
-
     def solve(self, specs, pkg_cache_path=None):
         """Solve given a set of specs.
         Parameters
@@ -143,6 +109,7 @@ def install(
     (prefix / "conda-meta").mkdir(parents=True, exist_ok=True)
     (base_prefix / "pkgs").mkdir(parents=True, exist_ok=True)
 
+    init_api_context()
     context = libmambapy.Context()
     context.prefix_params.target_prefix = str(prefix)
     context.pkgs_dirs = [str(base_prefix / "pkgs")]