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- import os, subprocess, re, logging, time
- from Config import config
- # Find files with extension in path
- def findfiles(path, find_ext):
- for root, dirs, files in os.walk(path, topdown = False):
- for file in sorted(files):
- file_path = root+"/"+file
- file_ext = file.split(".")[-1]
- if file_ext in find_ext and not file.startswith("all."): yield file_path
- # Generates: all.js: merge *.js, compile coffeescript, all.css: merge *.css, vendor prefix features
- def merge(merged_path):
- merge_dir = os.path.dirname(merged_path)
- s = time.time()
- ext = merged_path.split(".")[-1]
- if ext == "js": # If merging .js find .coffee too
- find_ext = ["js", "coffee"]
- else:
- find_ext = [ext]
- # If exits check the other files modification date
- if os.path.isfile(merged_path):
- merged_mtime = os.path.getmtime(merged_path)
- changed = False
- for file_path in findfiles(merge_dir, find_ext):
- if os.path.getmtime(file_path) > merged_mtime:
- changed = True
- break
- if not changed: return # Assets not changed, nothing to do
- # Merge files
- parts = []
- for file_path in findfiles(merge_dir, find_ext):
- parts.append("\n\n/* ---- %s ---- */\n\n" % file_path)
- if file_path.endswith(".coffee"): # Compile coffee script
- if not config.coffeescript_compiler:
- logging.error("No coffeescript compiler definied, skipping compiling %s" % merged_path)
- return False # No coffeescript compiler, skip this file
- command = config.coffeescript_compiler % file_path.replace("/", "\\")
- s = time.time()
- compiler = subprocess.Popen(command, shell=True, stderr=subprocess.PIPE, stdout=subprocess.PIPE)
- logging.debug("Running: %s (Done in %.2fs)" % (command, time.time()-s))
- source = compiler.stdout.read()
- if source:
- parts.append(source)
- else:
- error = compiler.stderr.read()
- parts.append("alert('%s compile error: %s');" % (file_path, re.escape(error)) )
- else: # Add to parts
- parts.append(open(file_path).read())
- merged = "\n".join(parts)
- if ext == "css": # Vendor prefix css
- from lib.cssvendor import cssvendor
- merged = cssvendor.prefix(merged)
- merged = merged.replace("\r", "")
- open(merged_path, "wb").write(merged)
- logging.debug("Merged %s (%.2fs)" % (merged_path, time.time()-s))
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