Initial commit of utils.py

1 files changed, 30 insertions, 0 deletions

diff --git a/cbc/utils.py b/cbc/utils.py
new file mode 100644
index 0000000..096e156
--- /dev/null
+++ b/cbc/utils.py
@@ -0,0 +1,30 @@
+from subprocess import Popen, PIPE, check_output, CalledProcessError
+
+
+def conda_search(pkgname):
+    command = ['conda', 'list', pkgname]
+    proc = Popen(command, stdout=PIPE)
+    out, _ = proc.communicate()    
+    
+    for line in out.decode('utf-8').splitlines():
+        if line.startswith('#'):
+            continue
+        line = line.split();
+        break
+    
+    if not line:
+        return ''
+    
+    return '-'.join(line)
+
+
+def conda_install(pkgname):
+    # Until I can figure out a good way to build with the conda API
+    # we'll use the CLI interface:
+    command = 'conda install --use-local --yes {0}'.format(pkgname).split()
+    try:
+        for line in (check_output(command).decode('utf-8').splitlines()):
+            print(line)
+    except CalledProcessError as cpe:
+        print('{0}\nexit={1}'.format(' '.join(cpe.cmd), cpe.returncode))
+        
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